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Refs #268. Removed deprecated SerialBoot program and sources. It is replaced by BootCommander and LibOpenBLT. 

git-svn-id: https://svn.code.sf.net/p/openblt/code/trunk@271 5dc33758-31d5-4daf-9ae8-b24bf3d40d73
This commit is contained in:
Frank Voorburg 2017-05-26 14:06:01 +00:00
parent f469148355
commit ebd65366c9
18 changed files with 0 additions and 3362 deletions
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Host/BootCommander.exe Normal file
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Host/Source/SerialBoot/CMakeLists.txt
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#****************************************************************************************
# \file CMakeLists.txt
# \brief CMake descriptor file for SerialBoot command line demonstration program.
# \ingroup SerialBoot
# \internal
#----------------------------------------------------------------------------------------
# C O P Y R I G H T
#----------------------------------------------------------------------------------------
# Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
#
#----------------------------------------------------------------------------------------
# L I C E N S E
#----------------------------------------------------------------------------------------
# This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
#
# You have received a copy of the GNU General Public License along with OpenBLT. It
# should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
#
# \endinternal
#****************************************************************************************
# Specify the version being used aswell as the language
cmake_minimum_required(VERSION 2.8)
# Specify the project name
project(SerialBoot)
# Set the port directory, which is platform specific
IF(WIN32)
set(PROJECT_PORT_DIR ${PROJECT_SOURCE_DIR}/port/windows)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPLATFORM_WIN32 -D_CRT_SECURE_NO_WARNINGS")
ELSEIF(UNIX)
set(PROJECT_PORT_DIR ${PROJECT_SOURCE_DIR}/port/linux)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPLATFORM_LINUX")
ENDIF(WIN32)
# Build debug version by default
set(CMAKE_BUILD_TYPE "Debug")
# Set include directories
include_directories("${PROJECT_SOURCE_DIR}" "${PROJECT_PORT_DIR}")
# Set the output directory
set (PROJECT_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/../../..)
# Set the output directory for the generic no-config case (e.g. with mingw)
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_OUTPUT_DIRECTORY} )
set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_OUTPUT_DIRECTORY} )
set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_OUTPUT_DIRECTORY} )
# Set the output directory for multi-config builds (e.g. msvc)
foreach( OUTPUTCONFIG ${CMAKE_CONFIGURATION_TYPES} )
string( TOUPPER ${OUTPUTCONFIG} OUTPUTCONFIG )
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${PROJECT_OUTPUT_DIRECTORY} )
set( CMAKE_LIBRARY_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${PROJECT_OUTPUT_DIRECTORY} )
set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${PROJECT_OUTPUT_DIRECTORY} )
endforeach( OUTPUTCONFIG CMAKE_CONFIGURATION_TYPES )
# Get header files
file(GLOB_RECURSE INCS "*.h")
# Add sources
add_executable(
SerialBoot
firmware.c
main.c
srecparser.c
xcploader.c
xcptpuart.c
${PROJECT_PORT_DIR}/serialport.c
${PROJECT_PORT_DIR}/timeutil.c
${INCS}
)
#*********************************** end of CMakeLists.txt ******************************

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Host/Source/SerialBoot/firmware.c
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/************************************************************************************//**
* \file firmware.c
* \brief Firmware module source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stddef.h> /* for NULL declaration */
#include <assert.h> /* for assertions */
#include "firmware.h" /* firmware module */
/****************************************************************************************
* Local data declarations
****************************************************************************************/
/** \brief Pointer to the firmware parser that is linked. */
static tFirmwareParser const * parserPtr = NULL;
/************************************************************************************//**
** \brief Initializes the firmware module.
** \param parser Pointer to the firmware parser to link.
** \return None.
**
****************************************************************************************/
void FirmwareInit(tFirmwareParser const * const parser)
{
/* verify parameters */
assert(parser != NULL);
/* link the firmware parser */
parserPtr = parser;
/* initialize the firmware parser */
parserPtr->Init();
} /*** end of FirmwareInit ***/
/************************************************************************************//**
** \brief Uninitializes the firmware module.
** \return None.
**
****************************************************************************************/
void FirmwareDeinit(void)
{
/* make sure the parser is linked */
assert(parserPtr != NULL);
/* uninitialize the parser */
parserPtr->Deinit();
/* unlink the parser */
parserPtr = NULL;
} /*** end of FirmwareDeinit ***/
/************************************************************************************//**
** \brief Loads the firmware data from the specified firmware file, using the linked
** parser.
** \return True is successful, false otherwise.
**
****************************************************************************************/
bool FirmwareLoadFromFile(char *firmwareFile)
{
/* make sure the parser is linked */
assert(parserPtr != NULL);
/* make sure the filename is valid */
assert(firmwareFile != NULL);
return parserPtr->LoadFromFile(firmwareFile);
} /*** end of FirmwareLoadFromFile ***/
/************************************************************************************//**
** \brief Returns the number of firmware segments that were loaded by the parser.
** \return Number of firmware segments.
**
****************************************************************************************/
uint32_t FirmwareGetSegmentCount(void)
{
/* make sure the parser is linked */
assert(parserPtr != NULL);
return parserPtr->GetSegmentCount();
} /*** end of FirmwareGetSegmentCount ***/
/************************************************************************************//**
** \brief Obtains a pointer to the firmware segment at the specified index.
** \return Pointer to firmware segment if successful, NULL otherwise.
**
****************************************************************************************/
const tFirmwareSegment *FirmwareGetSegment(uint32_t segmentIdx)
{
/* make sure the parser is linked */
assert(parserPtr != NULL);
return parserPtr->GetSegment(segmentIdx);
} /*** end of FirmwareGetSegment ***/
/*********************************** end of firmware.c *********************************/

84
Host/Source/SerialBoot/firmware.h
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/************************************************************************************//**
* \file firmware.h
* \brief Firmware module header file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
#ifndef FIRMWARE_H
#define FIRMWARE_H
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stdint.h> /* for standard integer types */
#include <stdbool.h> /* for boolean type */
/****************************************************************************************
* Type definitions
****************************************************************************************/
/** \brief Groups information together of a firmware segments. */
typedef struct t_firmware_segment
{
uint32_t base; /**< Start memory address of the segment. */
uint32_t length; /**< Number of data bytes in the segment. */
uint8_t *data; /**< Pointer to array with the segment's data bytes. */
} tFirmwareSegment;
/** \brief Firmware file parser. */
typedef struct t_firmware_parser
{
/** \brief Initialization of the file parser. */
void (*Init) (void);
/** \brief Uninitializes the file parser. */
void (*Deinit) (void);
/** \brief Extract the firmware segments from the firmware file. */
bool (*LoadFromFile) (char *firmwareFile);
/** \brief Obtains the number of segments. */
uint32_t (*GetSegmentCount) (void);
/** \brief Obtains a segment. */
const tFirmwareSegment * (*GetSegment) (uint32_t segmentIdx);
} tFirmwareParser;
/****************************************************************************************
* Function prototypes
****************************************************************************************/
void FirmwareInit(tFirmwareParser const * const parser);
void FirmwareDeinit(void);
bool FirmwareLoadFromFile(char *firmwareFile);
uint32_t FirmwareGetSegmentCount(void);
const tFirmwareSegment *FirmwareGetSegment(uint32_t segmentIdx);
#ifdef __cplusplus
}
#endif
#endif /* FIRMWARE_H */
/********************************* end of firmware.h ***********************************/

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Host/Source/SerialBoot/main.c
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/************************************************************************************//**
* \file main.c
* \brief SerialBoot program source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stdio.h> /* standard I/O functions */
#include <string.h> /* for string library */
#include "xcploader.h" /* XCP loader module */
#include "xcptpuart.h" /* XCP transport layer for UART */
#include "firmware.h" /* Firmware module */
#include "srecparser.h" /* S-record parser */
#include "timeutil.h" /* for time utilities module */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
/* Program return codes. */
#define RESULT_OK (0)
#define RESULT_COMMANDLINE_ERROR (1)
#define RESULT_FIRMWARE_LOAD_ERROR (2)
#define RESULT_PROGRAM_START_ERROR (3)
#define RESULT_MEMORY_ERASE_ERROR (4)
#define RESULT_PROGRAM_STOP_ERROR (5)
#define RESULT_MEMORY_PROGRAM_ERROR (6)
/****************************************************************************************
* Local data declarations
****************************************************************************************/
/** \brief The firmware filename that is specified at the command line. */
static char *firmwareFilename;
/** \brief XCP loader settings. */
static tXcpSettings xcpSettings =
{
.timeoutT1 = 1000,
.timeoutT3 = 2000,
.timeoutT4 = 10000,
.timeoutT5 = 1000,
.timeoutT7 = 2000
};
/** \brief XCP UART transport layer settings. */
static tXcpTpUartSettings xcpTpUartSettings =
{
.baudrate = SERIALPORT_BR57600,
.portname = "/dev/ttyS0"
};
/****************************************************************************************
* Function prototypes
****************************************************************************************/
static void DisplayProgramInfo(void);
static void DisplayProgramUsage(void);
static bool ParseCommandLine(int argc, char *argv[]);
/************************************************************************************//**
** \brief This is the program entry point.
** \param argc Number of program arguments.
** \param argv Array with program arguments.
** \return Program return code. 0 for success, error code otherwise.
**
****************************************************************************************/
int main(int argc, char *argv[])
{
int result = RESULT_OK;
uint32_t fwBaseAddress;
uint32_t fwTotalSize;
uint32_t segmentIdx;
const tFirmwareSegment *segment;
/* -------------------- Display info ----------------------------------------------- */
/* inform user about the program */
DisplayProgramInfo();
/* -------------------- Process command line --------------------------------------- */
/* start out by making sure program was started with the correct parameters */
if (!ParseCommandLine(argc, argv))
{
/* parameters invalid. inform user about how this program works */
DisplayProgramUsage();
return RESULT_COMMANDLINE_ERROR;
}
/* -------------------- Initialization --------------------------------------------- */
/* initialize the XCP loader module using the UART transport layer. */
XcpLoaderInit(&xcpSettings, XcpTpUartGetTransport(), &xcpTpUartSettings);
/* initialize the firmware module and link the S-recorder parser */
FirmwareInit(SRecParserGetParser());
/* -------------------- Parse the firmware file ------------------------------------ */
/* attempt to load the firmware file */
printf("Loading firmware file..."); fflush(stdout);
if (!FirmwareLoadFromFile(firmwareFilename))
{
/* set error code and abort */
printf("ERROR\n");
result = RESULT_FIRMWARE_LOAD_ERROR;
goto finish;
}
printf("OK\n");
/* determine firmware base address and total size */
for (segmentIdx=0; segmentIdx<FirmwareGetSegmentCount(); segmentIdx++)
{
segment = FirmwareGetSegment(segmentIdx);
/* is this the first segment? */
if (segmentIdx == 0)
{
/* initialize */
fwBaseAddress = segment->base;
fwTotalSize = segment->length;
}
else
{
/* update */
if (segment->base < fwBaseAddress)
{
fwBaseAddress = segment->base;
}
fwTotalSize += segment->length;
}
}
/* display some firmware statistics */
printf("-> Number of segments: %u\n", FirmwareGetSegmentCount());
printf("-> Base memory address: 0x%08x\n", fwBaseAddress);
printf("-> Total data bytes: %u\n", fwTotalSize);
/* -------------------- Connect to target ------------------------------------------ */
printf("Connecting to bootloader..."); fflush(stdout);
if (!XcpLoaderConnect())
{
/* no response. prompt the user to reset the system */
printf("TIMEOUT\nReset your microcontroller..."); fflush(stdout);
/* now keep retrying until we get a response */
while (!XcpLoaderConnect())
{
/* delay a bit to not pump up the CPU load */
TimeUtilDelayMs(20);
}
}
printf("OK\n");
/* -------------------- Start the programming session ------------------------------ */
/* attempt to start the programming session */
printf("Starting programming session..."); fflush(stdout);
if (!XcpLoaderStartProgrammingSession())
{
/* set error code and abort */
printf("ERROR\n");
result = RESULT_PROGRAM_START_ERROR;
goto finish;
}
printf("OK\n");
/* -------------------- Erase memory ----------------------------------------------- */
/* erase each segment one at a time */
for (segmentIdx=0; segmentIdx<FirmwareGetSegmentCount(); segmentIdx++)
{
segment = FirmwareGetSegment(segmentIdx);
/* attempt to erase memory */
printf("Erasing %u bytes starting at 0x%08x...", segment->length, segment->base); fflush(stdout);
if (!XcpLoaderClearMemory(segment->base, segment->length))
{
/* set error code and abort */
printf("ERROR\n");
result = RESULT_MEMORY_ERASE_ERROR;
goto finish;
}
printf("OK\n");
}
/* -------------------- Program data ----------------------------------------------- */
/* program each segment one at a time */
for (segmentIdx=0; segmentIdx<FirmwareGetSegmentCount(); segmentIdx++)
{
segment = FirmwareGetSegment(segmentIdx);
/* attempt to program memory */
printf("Programming %u bytes starting at 0x%08x...", segment->length, segment->base); fflush(stdout);
if (!XcpLoaderProgramData(segment->base, segment->length, segment->data))
{
/* set error code and abort */
printf("ERROR\n");
result = RESULT_MEMORY_PROGRAM_ERROR;
goto finish;
}
printf("OK\n");
}
/* -------------------- Stop the programming session ------------------------------- */
/* attempt to stop the programming session */
printf("Finishing programming session..."); fflush(stdout);
if (!XcpLoaderStopProgrammingSession())
{
/* set error code and abort */
printf("ERROR\n");
result = RESULT_PROGRAM_STOP_ERROR;
goto finish;
}
printf("OK\n");
/* -------------------- Cleanup ---------------------------------------------------- */
finish:
/* uninitialize the firmware module */
FirmwareDeinit();
/* uninitialize the XCP loader module. note that this automatically disconnects the
* slave, if connected, by requesting it to perform a reset.
*/
XcpLoaderDeinit();
/* give result back */
return result;
} /*** end of main ***/
/************************************************************************************//**
** \brief Outputs information to the user about this program.
** \return none.
**
****************************************************************************************/
static void DisplayProgramInfo(void)
{
printf("-------------------------------------------------------------------------\n");
printf("SerialBoot version 2.00. Performs firmware updates via the serial port\n");
printf("for a microcontroller based system that runs the OpenBLT bootloader.\n\n");
printf("Copyright (c) by Feaser http://www.feaser.com\n");
printf("-------------------------------------------------------------------------\n");
} /*** end of DisplayProgramInfo ***/
/************************************************************************************//**
** \brief Outputs information to the user about how to use this program.
** \return none.
**
****************************************************************************************/
static void DisplayProgramUsage(void)
{
printf("Usage: SerialBoot -d[device] -b[baudrate] [s-record file]\n\n");
#ifdef PLATFORM_WIN32
printf("Example: SerialBoot -dCOM4 -b57600 myfirmware.s19\n");
printf(" -> Connects to COM4, configures a communication speed of 57600\n");
#else
printf("Example: SerialBoot -d/dev/ttyS0 -b57600 myfirmware.s19\n");
printf(" -> Connects to ttyS0, configures a communication speed of 57600\n");
#endif
printf(" bits/second and programs the myfirmware.s19 file in non-\n");
printf(" volatile memory of the microcontroller using OpenBLT.\n");
printf(" Supported baudrates are: 9600, 19200, 38400, 57600 and\n");
printf(" 115200 bits/second.\n");
printf("-------------------------------------------------------------------------\n");
} /*** end of DisplayProgramUsage ***/
/************************************************************************************//**
** \brief Parses the command line arguments. A fixed amount of arguments is expected.
** The program should be called as:
** SerialBoot -d[device] -b[baudrate] [s-record file]
** \param argc Number of program parameters.
** \param argv array to program parameter strings.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool ParseCommandLine(int argc, char *argv[])
{
uint8_t paramIdx;
bool firmwareFileFound = false;
uint32_t baudrateValue;
/* make sure that enough arguments were specified. this program needs at least 2. the
* first one is always the program name and the second one is the s-record file.
*/
if (argc < 2)
{
return false;
}
/* loop through all the command line parameters, just skip the 1st one because this
* is the name of the program, which we are not interested in.
*/
for (paramIdx=1; paramIdx<argc; paramIdx++)
{
/* is this the device name? */
if ( (argv[paramIdx][0] == '-') && (argv[paramIdx][1] == 'd') )
{
/* set the device name */
xcpTpUartSettings.portname = &argv[paramIdx][2];
continue;
}
/* is this the baudrate? */
if ( (argv[paramIdx][0] == '-') && (argv[paramIdx][1] == 'b') )
{
/* extract the baudrate */
sscanf(&argv[paramIdx][2], "%u", &baudrateValue);
/* convert to the baudrate type */
switch (baudrateValue)
{
case 115200:
xcpTpUartSettings.baudrate = SERIALPORT_BR115200;
break;
case 57600:
xcpTpUartSettings.baudrate = SERIALPORT_BR57600;
break;
case 38400:
xcpTpUartSettings.baudrate = SERIALPORT_BR38400;
break;
case 19200:
xcpTpUartSettings.baudrate = SERIALPORT_BR19200;
break;
case 9600:
xcpTpUartSettings.baudrate = SERIALPORT_BR9600;
break;
default:
/* unsupported baudrate specified */
return false;
}
continue;
}
/* still here so it must be the filename */
else
{
/* set the file name and set flag that this parameter was found */
firmwareFilename = &argv[paramIdx][0];
firmwareFileFound = true;
}
}
/* verify if all required parameters were found */
if (!firmwareFileFound)
{
return false;
}
/* still here so the parsing was successful */
return true;
} /*** end of ParseCommandLine ***/
/*********************************** end of main.c *************************************/

208
Host/Source/SerialBoot/port/linux/serialport.c
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/************************************************************************************//**
* \file port\linux\serialport.c
* \brief Serial port source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stddef.h> /* for NULL declaration */
#include <assert.h> /* for assertions */
#include <unistd.h> /* UNIX standard functions */
#include <termios.h> /* POSIX terminal control */
#include <fcntl.h> /* file control definitions */
#include <sys/ioctl.h> /* system I/O control */
#include "serialport.h" /* serial port module */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
/** \brief Invalid serial port device handle. */
#define SERIALPORT_INVALID_HANDLE (-1)
/****************************************************************************************
* Local data declarations
****************************************************************************************/
static int32_t portHandle = SERIALPORT_INVALID_HANDLE;
/****************************************************************************************
* Local constant declarations
****************************************************************************************/
/** \brief Lookup table for converting this module's generic baudrate value to a value
* supported by the low level interface.
*/
static const speed_t baudrateLookup[] =
{
B9600, /**< Index 0 = SERIALPORT_BR9600 */
B19200, /**< Index 1 = SERIALPORT_BR19200 */
B38400, /**< Index 2 = SERIALPORT_BR38400 */
B57600, /**< Index 3 = SERIALPORT_BR57600 */
B115200 /**< Index 4 = SERIALPORT_BR115200 */
};
/************************************************************************************//**
** \brief Opens the connection with the serial port configured as 8,N,1 and no flow
** control.
** \param portname The name of the serial port to open, i.e. /dev/ttyUSB0.
** \param baudrate The desired communication speed.
** \return True if successful, false otherwise.
**
****************************************************************************************/
bool SerialPortOpen(char *portname, tSerialPortBaudrate baudrate)
{
struct termios options;
int32_t iFlags;
/* check parameters */
assert(portname != NULL);
/* open the port */
portHandle = open(portname, O_RDWR | O_NOCTTY | O_NDELAY);
/* check the result */
if (portHandle == SERIALPORT_INVALID_HANDLE)
{
return false;
}
/* configure the device to block during read operations */
if (fcntl(portHandle, F_SETFL, 0) == -1)
{
SerialPortClose();
return false;
}
/* get the current options for the port */
if (tcgetattr(portHandle, &options) == -1)
{
SerialPortClose();
return false;
}
/* configure the baudrate */
if (cfsetispeed(&options, baudrateLookup[baudrate]) == -1)
{
SerialPortClose();
return false;
}
if (cfsetospeed(&options, baudrateLookup[baudrate]) == -1)
{
SerialPortClose();
return false;
}
/* input modes - clear indicated ones giving: no break, no CR to NL,
* no parity check, no strip char, no start/stop output (sic) control
*/
options.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
/* output modes - clear giving: no post processing such as NL to CR+NL */
options.c_oflag &= ~(OPOST);
/* control modes - set 8 bit chars */
options.c_cflag |= (CS8);
/* local modes - clear giving: echoing off, canonical off (no erase with
* backspace, ^U,...), no extended functions, no signal chars (^Z,^C)
*/
options.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
/* configure timeouts */
options.c_cc[VMIN] = 0;
options.c_cc[VTIME] = 1; /* in units of 1/10th of a second */
/* set the new options for the port */
if (tcsetattr(portHandle, TCSAFLUSH, &options) == -1)
{
SerialPortClose();
return false;
}
/* turn on DTR */
iFlags = TIOCM_DTR;
ioctl(portHandle, TIOCMBIS, &iFlags);
/* success */
return true;
} /*** end of SerialPortOpen ***/
/************************************************************************************//**
** \brief Closes the connection with the serial port.
** \return None.
**
****************************************************************************************/
void SerialPortClose(void)
{
/* close the port handle if valid */
if (portHandle != SERIALPORT_INVALID_HANDLE)
{
close(portHandle);
}
/* invalidate handle */
portHandle = SERIALPORT_INVALID_HANDLE;
} /*** end of SerialPortClose ***/
/************************************************************************************//**
** \brief Writes data to the serial port.
** \param data Pointer to byte array with data to write.
** \param length Number of bytes to write.
** \return True if successful, false otherwise.
**
****************************************************************************************/
bool SerialPortWrite(uint8_t *data, uint32_t length)
{
size_t bytesWritten;
/* check parameters */
assert(data != NULL);
assert(length > 0);
/* submit the data for sending */
bytesWritten = write(portHandle, data, length);
/* check and return the result */
return (bytesWritten == length);
} /*** end of SerialPortWrite ***/
/************************************************************************************//**
** \brief Reads data from the serial port in a blocking manner.
** \param data Pointer to byte array to store read data.
** \param length Number of bytes to read.
** \return True if successful, false otherwise.
**
****************************************************************************************/
bool SerialPortRead(uint8_t *data, uint32_t length)
{
size_t bytesRead;
/* check parameters */
assert(data != NULL);
assert(length > 0);
/* attempt to read the requested data */
bytesRead = read(portHandle, data, length);
/* check and return the result */
return (bytesRead == length);
} /*** end of SerialPortRead ***/
/*********************************** end of serialport.c *******************************/

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/************************************************************************************//**
* \file port\linux\timeutil.c
* \brief Time utility source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stddef.h> /* for NULL declaration */
#include <unistd.h> /* UNIX standard functions */
#include <sys/time.h> /* time definitions */
#include "timeutil.h" /* for time utilities module */
/************************************************************************************//**
** \brief Get the system time in milliseconds.
** \return Time in milliseconds.
**
****************************************************************************************/
uint32_t TimeUtilGetSystemTimeMs(void)
{
struct timeval tv;
if (gettimeofday(&tv, NULL) != 0)
{
return 0;
}
return (uint32_t)((tv.tv_sec * 1000ul) + (tv.tv_usec / 1000ul));
} /*** end of XcpTransportClose ***/
/************************************************************************************//**
** \brief Performs a delay of the specified amount of milliseconds.
** \param delay Delay time in milliseconds.
** \return none.
**
****************************************************************************************/
void TimeUtilDelayMs(uint16_t delay)
{
usleep(1000 * delay);
} /*** end of TimeUtilDelayMs **/
/*********************************** end of timeutil.c *********************************/

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/************************************************************************************//**
* \file port\windows\serialport.c
* \brief Serial port source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stddef.h> /* for NULL declaration */
#include <windows.h> /* for windows library */
#include <assert.h> /* for assertions */
#include "serialport.h" /* serial port module */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
#define UART_TX_BUFFER_SIZE (1024) /**< transmission buffer size */
#define UART_RX_BUFFER_SIZE (1024) /**< reception buffer size */
/****************************************************************************************
* Local data declarations
****************************************************************************************/
static HANDLE hUart = INVALID_HANDLE_VALUE;
/****************************************************************************************
* Function prototypes
****************************************************************************************/
static uint32_t SerialConvertBaudrate(tSerialPortBaudrate baudrate);
/************************************************************************************//**
** \brief Opens the connection with the serial port configured as 8,N,1 and no flow
** control.
** \param portname The name of the serial port to open, i.e. COM4.
** \param baudrate The desired communication speed.
** \return True if successful, false otherwise.
**
****************************************************************************************/
bool SerialPortOpen(char *portname, tSerialPortBaudrate baudrate)
{
COMMTIMEOUTS timeouts = { 0 };
DCB dcbSerialParams = { 0 };
char portStr[64] = "\\\\.\\\0";
/* check parameters */
assert(portname != NULL);
/* construct the COM port name as a string */
strcat_s(portStr, 59, portname);
/* obtain access to the COM port */
hUart = CreateFile(portStr, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, 0);
/* validate COM port handle */
if (hUart == INVALID_HANDLE_VALUE)
{
return false;
}
/* get current COM port configuration */
dcbSerialParams.DCBlength = sizeof(dcbSerialParams);
if (!GetCommState(hUart, &dcbSerialParams))
{
CloseHandle(hUart);
return false;
}
/* configure the baudrate and 8,n,1 */
dcbSerialParams.BaudRate = SerialConvertBaudrate(baudrate);
dcbSerialParams.ByteSize = 8;
dcbSerialParams.StopBits = ONESTOPBIT;
dcbSerialParams.Parity = NOPARITY;
dcbSerialParams.fOutX = FALSE;
dcbSerialParams.fInX = FALSE;
dcbSerialParams.fRtsControl = RTS_CONTROL_DISABLE;
dcbSerialParams.fDtrControl = DTR_CONTROL_ENABLE;
if (!SetCommState(hUart, &dcbSerialParams))
{
CloseHandle(hUart);
return false;
}
/* set communication timeout parameters */
timeouts.ReadIntervalTimeout = 0;
timeouts.ReadTotalTimeoutConstant = 0;
timeouts.ReadTotalTimeoutMultiplier = 100;
timeouts.WriteTotalTimeoutConstant = 0;
timeouts.WriteTotalTimeoutMultiplier = 100;
if (!SetCommTimeouts(hUart, &timeouts))
{
CloseHandle(hUart);
return false;
}
/* set transmit and receive buffer sizes */
if (!SetupComm(hUart, UART_RX_BUFFER_SIZE, UART_TX_BUFFER_SIZE))
{
CloseHandle(hUart);
return false;
}
/* empty the transmit and receive buffers */
if (!FlushFileBuffers(hUart))
{
CloseHandle(hUart);
return false;
}
/* successfully connected to the serial device */
return true;
} /*** end of SerialPortOpen ***/
/************************************************************************************//**
** \brief Closes the connection with the serial port.
** \return None.
**
****************************************************************************************/
void SerialPortClose(void)
{
/* close the COM port handle if valid */
if (hUart != INVALID_HANDLE_VALUE)
{
CloseHandle(hUart);
}
/* set handles to invalid */
hUart = INVALID_HANDLE_VALUE;
} /*** end of SerialPortClose ***/
/************************************************************************************//**
** \brief Writes data to the serial port.
** \param data Pointer to byte array with data to write.
** \param length Number of bytes to write.
** \return True if successful, false otherwise.
**
****************************************************************************************/
bool SerialPortWrite(uint8_t *data, uint32_t length)
{
uint32_t dwWritten = 0;
/* check parameters */
assert(data != NULL);
assert(length > 0);
/* submit the data for transmission with the serial port */
if (!WriteFile(hUart, data, length, &dwWritten, NULL))
{
return false;
}
/* double check that all bytes were actually transmitted */
if (dwWritten != length)
{
return false;
}
/* success */
return true;
} /*** end of SerialPortWrite ***/
/************************************************************************************//**
** \brief Reads data from the serial port in a blocking manner.
** \param data Pointer to byte array to store read data.
** \param length Number of bytes to read.
** \return True if successful, false otherwise.
**
****************************************************************************************/
bool SerialPortRead(uint8_t *data, uint32_t length)
{
uint32_t dwRead = 0;
/* check parameters */
assert(data != NULL);
assert(length > 0);
/* attempt to read data from the serial port */
if (!ReadFile(hUart, data, length, &dwRead, NULL))
{
return false;
}
/* double check that all bytes were actually read */
if (dwRead != length)
{
return false;
}
/* success */
return true;
} /*** end of SerialPortRead ***/
/************************************************************************************//**
** \brief Opens the connection with the serial port configured as 8,N,1 and no flow
** control.
** \param portname The name of the serial port to open, i.e. COM4.
** \param baudrate The desired communication speed.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static uint32_t SerialConvertBaudrate(tSerialPortBaudrate baudrate)
{
uint32_t result;
switch (baudrate)
{
case SERIALPORT_BR9600:
result = CBR_9600;
break;
case SERIALPORT_BR19200:
result = CBR_19200;
break;
case SERIALPORT_BR38400:
result = CBR_38400;
break;
case SERIALPORT_BR57600:
result = CBR_57600;
break;
case SERIALPORT_BR115200:
result = CBR_115200;
break;
default:
result = CBR_9600;
break;
}
return result;
} /*** end of SerialConvertBaudrate ***/
/*********************************** end of serialport.c *******************************/

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/************************************************************************************//**
* \file port\windows\timeutil.c
* \brief Time utility source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <windows.h> /* for windows library */
#include "timeutil.h" /* for time utilities module */
/************************************************************************************//**
** \brief Get the system time in milliseconds.
** \return Time in milliseconds.
**
****************************************************************************************/
uint32_t TimeUtilGetSystemTimeMs(void)
{
return GetTickCount();
} /*** end of XcpTransportClose ***/
/************************************************************************************//**
** \brief Performs a delay of the specified amount of milliseconds.
** \param delay Delay time in milliseconds.
** \return none.
**
****************************************************************************************/
void TimeUtilDelayMs(uint16_t delay)
{
Sleep(delay);
} /*** end of TimeUtilDelayMs **/
/*********************************** end of timeutil.c *********************************/

70
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/************************************************************************************//**
* \file serialport.h
* \brief Serial port header file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
#ifndef SERIALPORT_H
#define SERIALPORT_H
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stdint.h> /* for standard integer types */
#include <stdbool.h> /* for boolean type */
/****************************************************************************************
* Typde definitions
****************************************************************************************/
/** \brief Enumaration of the supported baudrates. */
typedef enum
{
SERIALPORT_BR9600 = 0, /**< 9600 bits/sec */
SERIALPORT_BR19200 = 1, /**< 19200 bits/sec */
SERIALPORT_BR38400 = 2, /**< 38400 bits/sec */
SERIALPORT_BR57600 = 3, /**< 57600 bits/sec */
SERIALPORT_BR115200 = 4 /**< 115200 bits/sec */
} tSerialPortBaudrate;
/****************************************************************************************
* Function prototypes
****************************************************************************************/
bool SerialPortOpen(char *portname, tSerialPortBaudrate baudrate);
void SerialPortClose(void);
bool SerialPortWrite(uint8_t *data, uint32_t length);
bool SerialPortRead(uint8_t *data, uint32_t length);
#ifdef __cplusplus
}
#endif
#endif /* SERIALPORT_H */
/********************************* end of serialport.h *********************************/

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Host/Source/SerialBoot/srecparser.c
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/************************************************************************************//**
* \file srecparser.c
* \brief S-record parser source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stddef.h> /* for NULL declaration */
#include <stdio.h> /* for standard I/O library */
#include <stdlib.h> /* for standard library */
#include <string.h> /* for string library */
#include <ctype.h> /* for character testing */
#include <assert.h> /* for assertions */
#include "srecparser.h" /* S-record parser */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
/** \brief Maximum number of characters that can be on a line in the firmware file. */
#define SRECORD_MAX_CHARS_PER_LINE (512)
/** \brief Maximum number of data bytes that can be on a line in the firmware file
* (S-record).
*/
#define SRECORD_MAX_DATA_BYTES_PER_LINE (SRECORD_MAX_CHARS_PER_LINE/2)
/****************************************************************************************
* Type definitions
****************************************************************************************/
/** \brief Layout of a firmware segment node in the linked list. */
typedef struct t_segment_node
{
/** \brief The firmware segment stored in this node. */
tFirmwareSegment segment;
/** \brief Pointer to the next node, or NULL if it is the last one. */
struct t_segment_node *next;
} tSegmentNode;
/** \brief Enumeration for the different S-record line types. */
typedef enum
{
LINE_TYPE_S1, /**< 16-bit address line */
LINE_TYPE_S2, /**< 24-bit address line */
LINE_TYPE_S3, /**< 32-bit address line */
LINE_TYPE_UNSUPPORTED /**< unsupported line */
} tSrecordLineType;
/** \brief Structure type for grouping the parsing results of an S-record line. */
typedef struct
{
uint8_t data[SRECORD_MAX_DATA_BYTES_PER_LINE]; /**< array for S1,S2 or S3 data bytes */
uint32_t address; /**< address on S1,S2 or S3 line */
uint16_t length; /**< number of bytes written to array */
} tSrecordLineParseResults;
/****************************************************************************************
* Function prototypes
****************************************************************************************/
static void SRecParserInit(void);
static void SRecParserDeinit(void);
static bool SRecParserLoadFromFile(char *firmwareFile);
static uint32_t SRecParserGetSegmentCount(void);
static const tFirmwareSegment *SRecParserGetSegment(uint32_t segmentIdx);
static void SRecParserSegmentListInit(void);
static void SRecParserSegmentListDeinit(void);
static tSegmentNode *SRecParserSegmentListCreateNode(void);
static uint32_t SRecParserSegmentListGetNodeCount(void);
static tSegmentNode *SRecParserSegmentListGetNode(uint32_t nodeIdx);
/* S-record utility functions */
static bool SrecordParseNextDataLine(FILE* srecordHandle, tSrecordLineParseResults *parseResults);
static tSrecordLineType SrecordGetLineType(const char *line);
static bool SrecordVerifyChecksum(const char *line);
static uint8_t SrecordHexStringToByte(const char *hexstring);
static bool SrecordReadLine(FILE *srecordHandle, char *line);
/****************************************************************************************
* Local constant declarations
****************************************************************************************/
/** \brief XCP transport structure filled with CAN specifics. */
static const tFirmwareParser srecParser =
{
SRecParserInit,
SRecParserDeinit,
SRecParserLoadFromFile,
SRecParserGetSegmentCount,
SRecParserGetSegment
};
/****************************************************************************************
* Local data declarations
****************************************************************************************/
/** \brief Linked list with firmware segments. */
static tSegmentNode *segmentList;
/***********************************************************************************//**
** \brief Obtains a pointer to the parser structure, so that it can be linked to the
** firmware loader module.
** \return Pointer to firmware parser structure.
**
****************************************************************************************/
tFirmwareParser const * const SRecParserGetParser(void)
{
return &srecParser;
} /*** end of SRecParserGetParser ***/
/************************************************************************************//**
** \brief Initializes the parser.
** \return None.
**
****************************************************************************************/
static void SRecParserInit(void)
{
/* initialize the segment list */
SRecParserSegmentListInit();
} /*** end of SRecParserInit ***/
/************************************************************************************//**
** \brief Uninitializes the parser.
** \return None.
**
****************************************************************************************/
static void SRecParserDeinit(void)
{
/* uninitialize the segment list */
SRecParserSegmentListDeinit();
} /*** end of SRecParserDeinit ***/
/************************************************************************************//**
** \brief Parses the data in the specified firmware file into firmware segments that
** are stored internally in this module.
** \return True is successful, false otherwise.
**
****************************************************************************************/
static bool SRecParserLoadFromFile(char *firmwareFile)
{
FILE *fp;
char line[SRECORD_MAX_CHARS_PER_LINE];
tSrecordLineParseResults lineResults;
tSegmentNode *node;
uint32_t nodeIdx;
bool matchFound;
uint32_t byteIdx;
uint32_t byteOffset;
/* verify parameters */
assert(firmwareFile != NULL);
/* open the file for reading */
fp = fopen(firmwareFile, "r");
if (fp == NULL)
{
/* could not open the file */
return false;
}
/* start at the beginning of the file */
rewind(fp);
/* -------------------------- file type validation --------------------------------- */
/* validate S-record file. all lines should be formatted as S-records. read the first
* one to check this.
*/
if (!SrecordReadLine(fp, line))
{
/* could not read a line. file must be empty */
fclose(fp);
return false;
}
/* check if the line starts with the 'S' character, followed by a digit */
if ( (toupper(line[0]) != 'S') || (isdigit(line[1]) == 0) )
{
fclose(fp);
return false;
}
/* -------------------------- extract segment info --------------------------------- */
/* start at the beginning of the file */
rewind(fp);
/* loop through all S-records with program data to obtain segment info */
while (SrecordParseNextDataLine(fp, &lineResults))
{
/* reset flag that indicates that the line data was matched to an existing segment */
matchFound = false;
/* loop through all segment nodes */
for (nodeIdx=0; nodeIdx < SRecParserSegmentListGetNodeCount(); nodeIdx++)
{
/* get node access */
node = SRecParserSegmentListGetNode(nodeIdx);
/* does the line data fit at the start of this node's segment? */
if ((lineResults.address + lineResults.length) == node->segment.base)
{
/* update the node's segment */
node->segment.base -= lineResults.length;
node->segment.length += lineResults.length;
/* match found so continue with the next line */
matchFound = true;
break;
}
/* does the line data fit at the end of this node's segment? */
else if (lineResults.address == (node->segment.base + node->segment.length))
{
/* update the node's segment */
node->segment.length += lineResults.length;
/* match found so continue with the next line */
matchFound = true;
break;
}
}
/* check if the line data was matched and added to an existing segment */
if (!matchFound)
{
/* create a new segment */
node = SRecParserSegmentListCreateNode();
node->segment.base = lineResults.address;
node->segment.length = lineResults.length;
}
}
/* -------------------------- allocate data memory --------------------------------- */
/* loop through all segment nodes */
for (nodeIdx=0; nodeIdx < SRecParserSegmentListGetNodeCount(); nodeIdx++)
{
/* get node access */
node = SRecParserSegmentListGetNode(nodeIdx);
/* sanity check */
assert(node->segment.length > 0);
/* allocate data */
node->segment.data = malloc(node->segment.length);
/* check results */
if (node->segment.data == NULL)
{
fclose(fp);
return false;
}
}
/* -------------------------- extract segment data --------------------------------- */
/* start at the beginning of the file */
rewind(fp);
/* loop through all S-records with program data to obtain segment info */
while (SrecordParseNextDataLine(fp, &lineResults))
{
/* loop through all segment nodes */
for (nodeIdx=0; nodeIdx < SRecParserSegmentListGetNodeCount(); nodeIdx++)
{
/* get node access */
node = SRecParserSegmentListGetNode(nodeIdx);
/* does the line data belong in this segment? */
if ( (lineResults.address >= node->segment.base) && \
((lineResults.address+lineResults.length) <= (node->segment.base+node->segment.length)) )
{
/* determine offset of the line data into the segment */
byteOffset = lineResults.address - node->segment.base;
/* store bytes in this segment */
for (byteIdx=0; byteIdx<lineResults.length; byteIdx++)
{
node->segment.data[byteOffset + byteIdx] = lineResults.data[byteIdx];
}
/* line data stored, so continue with the next S-record */
break;
}
}
}
/* close the file */
fclose(fp);
/* s-record successfully loaded and parsed */
return true;
} /*** end of SRecParserLoadFromFile ***/
/************************************************************************************//**
** \brief Returns the number of firmware segments that were loaded by this parser.
** \return Number of firmware segments.
**
****************************************************************************************/
static uint32_t SRecParserGetSegmentCount(void)
{
return SRecParserSegmentListGetNodeCount();
} /*** end of SRecParserGetSegmentCount ***/
/************************************************************************************//**
** \brief Obtains a pointer to the firmware segment at the specified index.
** \return Pointer to firmware segment.
**
****************************************************************************************/
static const tFirmwareSegment *SRecParserGetSegment(uint32_t segmentIdx)
{
/* validate the parameter */
assert(segmentIdx < SRecParserSegmentListGetNodeCount());
return &(SRecParserSegmentListGetNode(segmentIdx)->segment);
} /*** end of SRecParserGetSegment ***/
/************************************************************************************//**
** \brief Initializes the linked list with firmware segments.
** \return None.
**
****************************************************************************************/
static void SRecParserSegmentListInit(void)
{
segmentList = NULL;
} /*** end of SRecParserSegmentListInit ***/
/************************************************************************************//**
** \brief Uninitializes the linked list with firmware segments.
** \return None.
**
****************************************************************************************/
static void SRecParserSegmentListDeinit(void)
{
tSegmentNode *currentNode;
tSegmentNode *nodeToFree;
/* free all nodes */
if (segmentList != NULL)
{
currentNode = segmentList;
do
{
/* store pointer to the node that should be released for later usage */
nodeToFree = currentNode;
/* move to the next node before freeing it */
currentNode = currentNode->next;
/* sanity check */
assert(nodeToFree != NULL);
/* free the node */
if (nodeToFree->segment.data != NULL)
{
free(nodeToFree->segment.data);
}
free(nodeToFree);
}
while(currentNode != NULL);
}
} /*** end of SRecParserSegmentListDeinit ***/
/************************************************************************************//**
** \brief Creates a new node in the linked list with firmware segments.
** \return Pointer to the new node.
**
****************************************************************************************/
static tSegmentNode *SRecParserSegmentListCreateNode(void)
{
tSegmentNode *newNode;
tSegmentNode *currentNode;
/* allocate memory for the node */
newNode = malloc(sizeof(tSegmentNode));
assert(newNode != NULL);
/* initialize the node */
newNode->next = NULL;
newNode->segment.base = 0x00000000;
newNode->segment.length = 0;
newNode->segment.data = NULL;
/* add the first node if the list is empty */
if (segmentList == NULL)
{
segmentList = newNode;
}
/* add the node to the end of the list */
else
{
/* find last entry in to list */
currentNode = segmentList;
while(currentNode->next != NULL)
{
currentNode = currentNode->next;
}
/* add the now */
currentNode->next = newNode;
}
return newNode;
} /*** end of SRecParserSegmentListCreateNode ***/
/************************************************************************************//**
** \brief Obtains the number of nodes in the linked list with firmware segments.
** \return Number of nodes.
**
****************************************************************************************/
static uint32_t SRecParserSegmentListGetNodeCount(void)
{
tSegmentNode *currentNode;
uint32_t nodeCount = 0;
/* iterate over all nodes to determine to total count */
if (segmentList != NULL)
{
currentNode = segmentList;
do
{
nodeCount++;
currentNode = currentNode->next;
}
while(currentNode != NULL);
}
return nodeCount;
} /*** end of SRecParserSegmentListGetNodeCount ***/
/************************************************************************************//**
** \brief Obtains the node at the specified index from the linked list with firmware
** segments.
** \return Pointer to the node.
**
****************************************************************************************/
static tSegmentNode *SRecParserSegmentListGetNode(uint32_t nodeIdx)
{
tSegmentNode *currentNode = NULL;
uint32_t currentIdx = 0;
/* validate the parameter */
assert(nodeIdx < SRecParserSegmentListGetNodeCount());
/* iterate until the specified index is found */
currentNode = segmentList;
for (currentIdx=0; currentIdx<nodeIdx; currentIdx++)
{
currentNode = currentNode->next;
}
return currentNode;
} /*** end of SRecParserSegmentListGetNode ***/
/************************************************************************************//**
** \brief Reads the next S-record with program data, parses it and returns the
** results.
** \param srecordHandle The S-record file handle. It is returned by SrecordOpen.
** \param parseResults Pointer to where the parse results should be stored.
** \return SB_TRUE is valid parse results were stored. SB_FALSE in case of end-of-
** file.
**
****************************************************************************************/
static bool SrecordParseNextDataLine(FILE* srecordHandle, tSrecordLineParseResults *parseResults)
{
char line[SRECORD_MAX_CHARS_PER_LINE];
bool data_line_found = false;
tSrecordLineType lineType;
uint16_t bytes_on_line;
uint16_t i;
char *linePtr;
/* first set the length paramter to 0 */
parseResults->length = 0;
while (!data_line_found)
{
/* read the next line from the file */
if (!SrecordReadLine(srecordHandle, line))
{
/* end-of-file encountered */
return false;
}
/* we now have a line. check if it is a S-record data line */
lineType = SrecordGetLineType(line);
if (lineType != LINE_TYPE_UNSUPPORTED)
{
/* check if the checksum on the line is correct */
if (SrecordVerifyChecksum(line))
{
/* found a valid line that can be parsed. loop will stop */
data_line_found = true;
break;
}
}
}
/* still here so we have a valid S-record data line. start parsing */
linePtr = &line[0];
/* all good so far, now read out the address and databytes for the line */
switch (lineType)
{
/* ---------------------------- S1 line type ------------------------------------- */
case LINE_TYPE_S1:
/* adjust pointer to point to byte count value */
linePtr += 2;
/* read out the number of byte values that follow on the line */
bytes_on_line = SrecordHexStringToByte(linePtr);
/* read out the 16-bit address */
linePtr += 2;
parseResults->address = SrecordHexStringToByte(linePtr) << 8;
linePtr += 2;
parseResults->address += SrecordHexStringToByte(linePtr);
/* adjust pointer to point to the first data byte after the address */
linePtr += 2;
/* determine how many data bytes are on the line */
parseResults->length = bytes_on_line - 3; /* -2 bytes address, -1 byte checksum */
/* read and store data bytes if requested */
for (i=0; i<parseResults->length; i++)
{
parseResults->data[i] = SrecordHexStringToByte(linePtr);
linePtr += 2;
}
break;
/* ---------------------------- S2 line type ------------------------------------- */
case LINE_TYPE_S2:
/* adjust pointer to point to byte count value */
linePtr += 2;
/* read out the number of byte values that follow on the line */
bytes_on_line = SrecordHexStringToByte(linePtr);
/* read out the 32-bit address */
linePtr += 2;
parseResults->address = SrecordHexStringToByte(linePtr) << 16;
linePtr += 2;
parseResults->address += SrecordHexStringToByte(linePtr) << 8;
linePtr += 2;
parseResults->address += SrecordHexStringToByte(linePtr);
/* adjust pointer to point to the first data byte after the address */
linePtr += 2;
/* determine how many data bytes are on the line */
parseResults->length = bytes_on_line - 4; /* -3 bytes address, -1 byte checksum */
/* read and store data bytes if requested */
for (i=0; i<parseResults->length; i++)
{
parseResults->data[i] = SrecordHexStringToByte(linePtr);
linePtr += 2;
}
break;
/* ---------------------------- S3 line type ------------------------------------- */
case LINE_TYPE_S3:
/* adjust pointer to point to byte count value */
linePtr += 2;
/* read out the number of byte values that follow on the line */
bytes_on_line = SrecordHexStringToByte(linePtr);
/* read out the 32-bit address */
linePtr += 2;
parseResults->address = SrecordHexStringToByte(linePtr) << 24;
linePtr += 2;
parseResults->address += SrecordHexStringToByte(linePtr) << 16;
linePtr += 2;
parseResults->address += SrecordHexStringToByte(linePtr) << 8;
linePtr += 2;
parseResults->address += SrecordHexStringToByte(linePtr);
/* adjust pointer to point to the first data byte after the address */
linePtr += 2;
/* determine how many data bytes are on the line */
parseResults->length = bytes_on_line - 5; /* -4 bytes address, -1 byte checksum */
/* read and store data bytes if requested */
for (i=0; i<parseResults->length; i++)
{
parseResults->data[i] = SrecordHexStringToByte(linePtr);
linePtr += 2;
}
break;
default:
/* will not happen */
break;
}
/* parsing all done */
return true;
} /*** end of SrecordParseNextDataLine ***/
/************************************************************************************//**
** \brief Inspects a line from a Motorola S-Record file to determine its type.
** \param line A line from the S-Record.
** \return the S-Record line type.
**
****************************************************************************************/
static tSrecordLineType SrecordGetLineType(const char *line)
{
/* check if the line starts with the 'S' character, followed by a digit */
if ( (toupper(line[0]) != 'S') || (isdigit(line[1]) == 0) )
{
/* not a valid S-Record line type */
return LINE_TYPE_UNSUPPORTED;
}
/* determine the line type */
if (line[1] == '1')
{
return LINE_TYPE_S1;
}
if (line[1] == '2')
{
return LINE_TYPE_S2;
}
if (line[1] == '3')
{
return LINE_TYPE_S3;
}
/* still here so not a supported line type found */
return LINE_TYPE_UNSUPPORTED;
} /*** end of SrecordGetLineType ***/
/************************************************************************************//**
** \brief Inspects an S1, S2 or S3 line from a Motorola S-Record file to
** determine if the checksum at the end is corrrect.
** \param line An S1, S2 or S3 line from the S-Record.
** \return SB_TRUE if the checksum is correct, SB_FALSE otherwise.
**
****************************************************************************************/
static bool SrecordVerifyChecksum(const char *line)
{
uint16_t bytes_on_line;
uint8_t checksum = 0;
/* adjust pointer to point to byte count value */
line += 2;
/* read out the number of byte values that follow on the line */
bytes_on_line = SrecordHexStringToByte(line);
/* byte count is part of checksum */
checksum += bytes_on_line;
/* adjust pointer to the first byte of the address */
line += 2;
/* add byte values of address and data, but not the final checksum */
do
{
/* add the next byte value to the checksum */
checksum += SrecordHexStringToByte(line);
/* update counter */
bytes_on_line--;
/* point to next hex string in the line */
line += 2;
}
while (bytes_on_line > 1);
/* the checksum is calculated by summing up the values of the byte count, address and
* databytes and then taking the 1-complement of the sum's least signigicant byte */
checksum = ~checksum;
/* finally verify the calculated checksum with the one at the end of the line */
if (checksum != SrecordHexStringToByte(line))
{
/* checksum incorrect */
return false;
}
/* still here so the checksum was correct */
return true;
} /*** end of SrecordVerifyChecksum ***/
/************************************************************************************//**
** \brief Helper function to convert a sequence of 2 characters that represent
** a hexadecimal value to the actual byte value.
** Example: SrecordHexStringToByte("2f") --> returns 47.
** \param hexstring String beginning with 2 characters that represent a hexa-
** decimal value.
** \return The resulting byte value.
**
****************************************************************************************/
static uint8_t SrecordHexStringToByte(const char *hexstring)
{
uint8_t result = 0;
char c;
uint8_t counter;
/* a hexadecimal character is 2 characters long (i.e 0x4F minus the 0x part) */
for (counter=0; counter < 2; counter++)
{
/* read out the character */
c = toupper(hexstring[counter]);
/* check that the character is 0..9 or A..F */
if ( (c < '0') || (c > 'F') || ( (c > '9') && (c < 'A') ) )
{
/* character not valid */
return 0;
}
/* convert character to 4-bit value (check ASCII table for more info) */
c -= '0';
if (c > 9)
{
c -= 7;
}
/* add it to the result */
result = (result << 4) + c;
}
/* return the results */
return result;
} /*** end of SrecordHexStringToByte ***/
/************************************************************************************//**
** \brief Reads the next line from the S-record file handle.
** \param srecordHandle The S-record file handle. It is returned by SrecordOpen.
** \param line Destination buffer for the line characters. Should be of size
** SRECORD_MAX_CHARS_PER_LINE.
** \return SB_TRUE if successful, SB_FALSE otherwise.
**
****************************************************************************************/
static bool SrecordReadLine(FILE *srecordHandle, char *line)
{
/* init the line as an empty line */
line[0] = '\0';
/* loop as long as we find a non-empty line or end-of-file */
while (line[0] == '\0')
{
if (fgets(line, SRECORD_MAX_CHARS_PER_LINE, srecordHandle) == NULL)
{
/* no more lines available */
return false;
}
/* replace the line termination with a string termination */
line[strcspn(line, "\n")] = '\0';
}
/* still here so not EOF and not and empty line, so success */
return true;
} /*** end of SrecordReadLine ***/
/*********************************** end of srecparser.c *******************************/

52
Host/Source/SerialBoot/srecparser.h
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@ -1,52 +0,0 @@
/************************************************************************************//**
* \file srecparser.h
* \brief S-record parser header file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
#ifndef SRECPARSER_H
#define SRECPARSER_H
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************************
* Include files
****************************************************************************************/
#include "firmware.h" /* firmware module */
/****************************************************************************************
* Function prototypes
****************************************************************************************/
tFirmwareParser const * const SRecParserGetParser(void);
#ifdef __cplusplus
}
#endif
#endif /* SRECPARSER_H */
/********************************* end of srecparser.h *********************************/

52
Host/Source/SerialBoot/timeutil.h
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@ -1,52 +0,0 @@
/************************************************************************************//**
* \file timeutil.h
* \brief Time utility header file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
#ifndef TIMEUTIL_H
#define TIMEUTIL_H
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stdint.h> /* for standard integer types */
/****************************************************************************************
* Function prototypes
****************************************************************************************/
uint32_t TimeUtilGetSystemTimeMs(void);
void TimeUtilDelayMs(uint16_t delay);
#ifdef __cplusplus
}
#endif
#endif /* TIMEUTIL_H */
/*********************************** end of timeutil.h *********************************/

755
Host/Source/SerialBoot/xcploader.c
View File

@ -1,755 +0,0 @@
/************************************************************************************//**
* \file xcploader.c
* \brief XCP Loader module source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stddef.h> /* for NULL declaration */
#include <assert.h> /* for assertions */
#include "xcploader.h" /* XCP loader module */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
/* XCP command codes as defined by the protocol currently supported by this module */
#define XCPLOADER_CMD_CONNECT (0xFF) /**< XCP connect command code. */
#define XCPLOADER_CMD_DISCONNECT (0xFE) /**< XCP disconnect command code. */
#define XCPLOADER_CMD_SET_MTA (0xF6) /**< XCP set mta command code. */
#define XCPLOADER_CMD_UPLOAD (0xF5) /**< XCP upload command code. */
#define XCPLOADER_CMD_PROGRAM_START (0xD2) /**< XCP program start command code. */
#define XCPLOADER_CMD_PROGRAM_CLEAR (0xD1) /**< XCP program clear command code. */
#define XCPLOADER_CMD_PROGRAM (0xD0) /**< XCP program command code. */
#define XCPLOADER_CMD_PROGRAM_RESET (0xCF) /**< XCP program reset command code. */
#define XCPLOADER_CMD_PROGRAM_MAX (0xC9) /**< XCP program max command code. */
/* XCP response packet IDs as defined by the protocol. */
#define XCPLOADER_CMD_PID_RES (0xFF) /**< positive response */
/** \brief Maximum timeout for the XCP connect command. */
#define XCPLOADER_CONNECT_TIMEOUT_MS (20)
/** \brief Number of retries to connect to the XCP slave. */
#define XCPLOADER_CONNECT_RETRIES (5)
/****************************************************************************************
* Function prototypes
****************************************************************************************/
static bool XcpLoaderSendCmdConnect(void);
static bool XcpLoaderSendCmdSetMta(uint32_t address);
static bool XcpLoaderSendCmdUpload(uint8_t *data, uint8_t length);
static bool XcpLoaderSendCmdProgramStart(void);
static bool XcpLoaderSendCmdProgramReset(void);
static bool XcpLoaderSendCmdProgram(uint8_t length, uint8_t *data);
static bool XcpLoaderSendCmdProgramMax(uint8_t *data);
static bool XcpLoaderSendCmdProgramClear(uint32_t length);
static void XcpLoaderSetOrderedLong(uint32_t value, uint8_t *data);
/****************************************************************************************
* Local data declarations
****************************************************************************************/
/** \brief Pointer to the XCP transport layer that is linked. */
static tXcpTransport const * transportPtr = NULL;
/** \brief The settings that should be used by the XCP loader. */
static tXcpSettings xcpSettings;
/** \brief Flag to keep track of the connection status. */
static bool xcpConnected;
/** \brief Store the byte ordering of the XCP slave. */
static bool xcpSlaveIsIntel;
/** \brief The max number of bytes in the command transmit object (master->slave). */
static uint8_t xcpMaxCto;
/** \brief The max number of bytes in the command transmit object (master->slave) during
* a programming session.
*/
static uint8_t xcpMaxProgCto;
/** \brief The max number of bytes in the data transmit object (slave->master). */
static uint16_t xcpMaxDto;
/************************************************************************************//**
** \brief Initializes the loader module.
** \param settings Pointer to settings structure.
** \param transport Pointer to the transport layer to link.
** \param tpsettings Pointer to transport layer settings structure.
** \return None.
**
****************************************************************************************/
void XcpLoaderInit(tXcpSettings *settings, tXcpTransport const * const transport, void *tpsettings)
{
/* verify parameters */
assert(transport != NULL);
assert(tpsettings != NULL);
assert(settings != NULL);
/* shallow copy the XCP settings for later usage */
xcpSettings = *settings;
/* link the XCP transport layer */
transportPtr = transport;
/* initialize the transport layer */
transportPtr->Init(tpsettings);
/* init locals */
xcpConnected = false;
xcpSlaveIsIntel = false;
xcpMaxCto = 0;
xcpMaxProgCto = 0;
xcpMaxDto = 0;
} /*** end of XcpLoaderInit ***/
/************************************************************************************//**
** \brief Uninitializes the loader module.
** \return None.
**
****************************************************************************************/
void XcpLoaderDeinit(void)
{
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* disconnect */
XcpLoaderDisconnect();
/* uninitialize the transport layer */
transportPtr->Deinit();
/* unlink the transport layer */
transportPtr = NULL;
} /*** end of XcpLoaderDeinit ***/
/************************************************************************************//**
** \brief Connect to the XCP slave.
** \return True is successful, false otherwise.
**
****************************************************************************************/
bool XcpLoaderConnect(void)
{
uint8_t retryCnt;
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* make sure that we are disconnected before connecting */
XcpLoaderDisconnect();
/* connect the transport layer */
if (!transportPtr->Connect())
{
return false;
}
/* try to connect with a finite amount of retries */
for (retryCnt=0; retryCnt<XCPLOADER_CONNECT_RETRIES; retryCnt++)
{
/* send the connect command */
if (XcpLoaderSendCmdConnect())
{
/* update connection state */
xcpConnected = true;
/* connected so no need to retry */
return true;
}
}
/* still here so could not connect to XCP slave. disconnect the transport layer */
transportPtr->Disconnect();
return false;
} /*** end of XcpLoaderConnect ***/
/***********************************************************************************//**
** \brief Disconnect from the XCP slave.
** \return None.
**
****************************************************************************************/
void XcpLoaderDisconnect(void)
{
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* only disconnect if actually connected */
if (xcpConnected)
{
/* send reset command instead of the disconnect. this causes the user program on the
* slave to automatically start again if present.
*/
XcpLoaderSendCmdProgramReset();
/* disconnect the transport layer */
transportPtr->Disconnect();
/* reset connection status */
xcpConnected = false;
}
} /*** end of XcpLoaderDisconnect ***/
/************************************************************************************//**
** \brief Puts a connected slave in programming session.
** \return True is successful, false otherwise.
**
****************************************************************************************/
bool XcpLoaderStartProgrammingSession(void)
{
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* place the slave in programming mode */
return XcpLoaderSendCmdProgramStart();
} /*** end of XcpLoaderStartProgrammingSession ***/
/************************************************************************************//**
** \brief Stops the programming session by sending a program command with size 0 and
** then resetting the slave.
** \return True is successful, false otherwise.
**
****************************************************************************************/
bool XcpLoaderStopProgrammingSession(void)
{
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* stop programming by sending the program command with size 0 */
return XcpLoaderSendCmdProgram(0, NULL);
} /*** end of XcpLoaderStopProgrammingSession ***/
/************************************************************************************//**
** \brief Erases non volatile memory on the slave.
** \param addr Base memory address for the erase operation.
** \param len Number of bytes to erase.
** \return True is successful, false otherwise.
**
****************************************************************************************/
bool XcpLoaderClearMemory(uint32_t addr, uint32_t len)
{
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* verify parameters */
assert(len > 0);
/* first set the MTA pointer */
if (!XcpLoaderSendCmdSetMta(addr))
{
return false;
}
/* now perform the erase operation */
return XcpLoaderSendCmdProgramClear(len);
} /*** end of XcpLoaderClearMemory ***/
/***********************************************************************************//**
** \brief Reads data from the slave's memory.
** \param addr Base memory address for the read operation
** \param len Number of bytes to read.
** \param data Destination buffer for storing the read data bytes.
** \return True is successful, false otherwise.
**
****************************************************************************************/
bool XcpLoaderReadData(uint32_t addr, uint32_t len, uint8_t *data)
{
uint8_t currentReadCnt;
uint32_t bufferOffset = 0;
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* verify parameters */
assert(data != NULL);
assert(len > 0);
/* first set the MTA pointer */
if (!XcpLoaderSendCmdSetMta(addr))
{
return false;
}
/* perform segmented upload of the data */
while (len > 0)
{
/* set the current read length to make optimal use of the available packet data. */
currentReadCnt = len % (xcpMaxDto - 1);
if (currentReadCnt == 0)
{
currentReadCnt = (xcpMaxDto - 1);
}
/* upload some data */
if (!XcpLoaderSendCmdUpload(&data[bufferOffset], currentReadCnt))
{
return false;
}
/* update loop variables */
len -= currentReadCnt;
bufferOffset += currentReadCnt;
}
/* still here so all data successfully read from the slave */
return true;
} /*** end of XcpLoaderReadData ***/
/************************************************************************************//**
** \brief Programs data to the slave's non volatile memory. Note that it must be
** erased first.
** \param addr Base memory address for the program operation
** \param len Number of bytes to program.
** \param data Source buffer with the to be programmed bytes.
** \return True is successful, false otherwise.
**
****************************************************************************************/
bool XcpLoaderProgramData(uint32_t addr, uint32_t len, uint8_t *data)
{
uint8_t currentWriteCnt;
uint32_t bufferOffset = 0;
/* make sure the XCP transport layer is linked */
assert(transportPtr != NULL);
/* verify parameters */
assert(data != NULL);
assert(len > 0);
/* first set the MTA pointer */
if (!XcpLoaderSendCmdSetMta(addr))
{
return false;
}
/* perform segmented programming of the data */
while (len > 0)
{
/* set the current read length to make optimal use of the available packet data. */
currentWriteCnt = len % (xcpMaxProgCto - 1);
if (currentWriteCnt == 0)
{
currentWriteCnt = (xcpMaxProgCto - 1);
}
/* prepare the packed data for the program command */
if (currentWriteCnt < (xcpMaxProgCto - 1))
{
/* program data */
if (!XcpLoaderSendCmdProgram(currentWriteCnt, &data[bufferOffset]))
{
return false;
}
}
else
{
/* program max data */
if (!XcpLoaderSendCmdProgramMax(&data[bufferOffset]))
{
return false;
}
}
/* update loop variables */
len -= currentWriteCnt;
bufferOffset += currentWriteCnt;
}
/* still here so all data successfully programmed */
return true;
} /*** end of XcpLoaderProgramData ***/
/************************************************************************************//**
** \brief Sends the XCP Connect command.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdConnect(void)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_CONNECT;
cmdPacket.data[1] = 0; /* normal mode */
cmdPacket.len = 2;
/* send the packet */
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, XCPLOADER_CONNECT_TIMEOUT_MS))
{
/* could not send packet or receive response within the specified timeout */
return false;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* process response data */
if ((resPacket.data[2] & 0x01) == 0)
{
/* store slave's byte ordering information */
xcpSlaveIsIntel = true;
}
/* store max number of bytes the slave allows for master->slave packets. */
xcpMaxCto = resPacket.data[3];
xcpMaxProgCto = xcpMaxCto;
/* store max number of bytes the slave allows for slave->master packets. */
if (xcpSlaveIsIntel)
{
xcpMaxDto = resPacket.data[4] + (resPacket.data[5] << 8);
}
else
{
xcpMaxDto = resPacket.data[5] + (resPacket.data[4] << 8);
}
/* double check size configuration */
assert(XCPLOADER_PACKET_SIZE_MAX >= xcpMaxCto);
assert(XCPLOADER_PACKET_SIZE_MAX >= xcpMaxDto);
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdConnect ***/
/************************************************************************************//**
** \brief Sends the XCP Set MTA command.
** \param address New MTA address for the slave.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdSetMta(uint32_t address)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_SET_MTA;
cmdPacket.data[1] = 0; /* reserved */
cmdPacket.data[2] = 0; /* reserved */
cmdPacket.data[3] = 0; /* address extension not supported */
/* set the address taking into account byte ordering */
XcpLoaderSetOrderedLong(address, &cmdPacket.data[4]);
cmdPacket.len = 8;
/* send the packet */
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, xcpSettings.timeoutT1))
{
/* could not send packet or receive response within the specified timeout */
return false;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdSetMta ***/
/************************************************************************************//**
** \brief Sends the XCP UPLOAD command.
** \param data Destination data buffer.
** \param length Number of bytes to upload.
** \return SB_TRUE is successfull, SB_FALSE otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdUpload(uint8_t *data, uint8_t length)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
uint8_t data_index;
/* cannot request more data then the max rx data - 1 */
assert(length < XCPLOADER_PACKET_SIZE_MAX);
assert(data != NULL);
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_UPLOAD;
cmdPacket.data[1] = length;
cmdPacket.len = 2;
/* send the packet */
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, xcpSettings.timeoutT1))
{
/* could not send packet or receive response within the specified timeout */
return false;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* now store the uploaded data */
for (data_index=0; data_index<length; data_index++)
{
data[data_index] = resPacket.data[data_index+1];
}
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdUpload ***/
/************************************************************************************//**
** \brief Sends the XCP PROGRAM START command.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdProgramStart(void)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_PROGRAM_START;
cmdPacket.len = 1;
/* send the packet */
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, xcpSettings.timeoutT3))
{
/* could not send packet or receive response within the specified timeout */
return false;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* store max number of bytes the slave allows for master->slave packets during the
* programming session
*/
xcpMaxProgCto = resPacket.data[3];
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdProgramStart ***/
/************************************************************************************//**
** \brief Sends the XCP PROGRAM RESET command. Note that this command is a bit
** different as in it does not require a response.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdProgramReset(void)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_PROGRAM_RESET;
cmdPacket.len = 1;
/* send the packet, assume the sending itself is ok and check if a response was
* received.
*/
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, xcpSettings.timeoutT5))
{
/* probably no response received within the specified timeout, but that is allowed
* for the reset command.
*/
return true;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdProgramReset ***/
/************************************************************************************//**
** \brief Sends the XCP PROGRAM command.
** \param length Number of bytes in the data array to program.
** \param data Array with data bytes to program.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdProgram(uint8_t length, uint8_t *data)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
uint8_t cnt;
/* verify that this number of bytes actually first in this command */
assert(length <= (xcpMaxProgCto-2) && (xcpMaxProgCto <= XCPLOADER_PACKET_SIZE_MAX));
if (length > 0)
{
assert(data != NULL);
}
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_PROGRAM;
cmdPacket.data[1] = length;
for (cnt=0; cnt<length; cnt++)
{
cmdPacket.data[cnt+2] = data[cnt];
}
cmdPacket.len = length + 2;
/* send the packet */
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, xcpSettings.timeoutT5))
{
/* could not send packet or receive response within the specified timeout */
return false;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdProgram ***/
/************************************************************************************//**
** \brief Sends the XCP PROGRAM MAX command.
** \param data Array with data bytes to program.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdProgramMax(uint8_t *data)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
uint8_t cnt;
/* verify that this number of bytes actually first in this command */
assert(xcpMaxProgCto <= XCPLOADER_PACKET_SIZE_MAX);
assert(data != NULL);
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_PROGRAM_MAX;
for (cnt=0; cnt<(xcpMaxProgCto-1); cnt++)
{
cmdPacket.data[cnt+1] = data[cnt];
}
cmdPacket.len = xcpMaxProgCto;
/* send the packet */
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, xcpSettings.timeoutT5))
{
/* could not send packet or receive response within the specified timeout */
return false;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdProgramMax ***/
/************************************************************************************//**
** \brief Sends the XCP PROGRAM CLEAR command.
** \param length Number of elements to clear starting at the MTA address.
** \return True if successful, false otherwise.
**
****************************************************************************************/
static bool XcpLoaderSendCmdProgramClear(uint32_t length)
{
tXcpPacket cmdPacket;
tXcpPacket resPacket;
/* prepare the command packet */
cmdPacket.data[0] = XCPLOADER_CMD_PROGRAM_CLEAR;
cmdPacket.data[1] = 0; /* use absolute mode */
cmdPacket.data[2] = 0; /* reserved */
cmdPacket.data[3] = 0; /* reserved */
/* set the erase length taking into account byte ordering */
XcpLoaderSetOrderedLong(length, &cmdPacket.data[4]);
cmdPacket.len = 8;
/* send the packet */
if (!transportPtr->SendPacket(&cmdPacket, &resPacket, xcpSettings.timeoutT4))
{
/* could not send packet or receive response within the specified timeout */
return false;
}
/* still here so a response was received. check if the reponse was valid */
if ( (resPacket.len == 0) || (resPacket.data[0] != XCPLOADER_CMD_PID_RES) )
{
/* not a valid or positive response */
return false;
}
/* still here so all went well */
return true;
} /*** end of XcpLoaderSendCmdProgramClear ***/
/************************************************************************************//**
** \brief Stores a 32-bit value into a byte buffer taking into account Intel
** or Motorola byte ordering.
** \param value The 32-bit value to store in the buffer.
** \param data Array to the buffer for storage.
** \return None.
**
****************************************************************************************/
static void XcpLoaderSetOrderedLong(uint32_t value, uint8_t *data)
{
if (xcpSlaveIsIntel)
{
data[3] = (uint8_t)(value >> 24);
data[2] = (uint8_t)(value >> 16);
data[1] = (uint8_t)(value >> 8);
data[0] = (uint8_t)value;
}
else
{
data[0] = (uint8_t)(value >> 24);
data[1] = (uint8_t)(value >> 16);
data[2] = (uint8_t)(value >> 8);
data[3] = (uint8_t)value;
}
} /*** end of XcpLoaderSetOrderedLong ***/
/*********************************** end of xcploader.c ********************************/

108
Host/Source/SerialBoot/xcploader.h
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@ -1,108 +0,0 @@
/************************************************************************************//**
* \file xcploader.h
* \brief XCP Loader module header file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
#ifndef XCPLOADER_H
#define XCPLOADER_H
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stdint.h> /* for standard integer types */
#include <stdbool.h> /* for boolean type */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
/** \brief Total number of bytes in a master<->slave data packet. It should be at least
* equal or larger than that configured on the slave.
*/
#define XCPLOADER_PACKET_SIZE_MAX (255)
/****************************************************************************************
* Type definitions
****************************************************************************************/
/** \brief XCP protocol specific settings. */
typedef struct t_xcp_settings
{
uint16_t timeoutT1; /**< Command response timeout in milliseconds. */
uint16_t timeoutT3; /**< Start programming timeout in milliseconds. */
uint16_t timeoutT4; /**< Erase memory timeout in milliseonds. */
uint16_t timeoutT5; /**< Program memory and reset timeout in milliseonds. */
uint16_t timeoutT7; /**< Busy wait timer timeout in milliseonds. */
} tXcpSettings;
/** \brief XCP packet type. */
typedef struct t_xcp_packet
{
uint8_t data[XCPLOADER_PACKET_SIZE_MAX]; /**< Packet data. */
uint8_t len; /**< Packet length. */
} tXcpPacket;
/** \brief XCP transport layer. */
typedef struct t_xcp_transport
{
/** \brief Initialization of the XCP transpor layer. */
void (*Init) (void *settings);
/** \brief Uninitializes the XCP transpor layer. */
void (*Deinit) (void);
/** \brief Connects the XCP transpor layer. */
bool (*Connect) (void);
/** \brief Disconnects the XCP transpor layer. */
void (*Disconnect) (void);
/** \brief Sends an XCP packet and waits for the response to come back. */
bool (*SendPacket) (tXcpPacket *txPacket, tXcpPacket *rxPacket, uint16_t timeout);
} tXcpTransport;
/****************************************************************************************
* Function prototypes
****************************************************************************************/
void XcpLoaderInit(tXcpSettings *settings, tXcpTransport const * const transport, void *tpsettings);
void XcpLoaderDeinit(void);
bool XcpLoaderConnect(void);
void XcpLoaderDisconnect(void);
bool XcpLoaderStartProgrammingSession(void);
bool XcpLoaderStopProgrammingSession(void);
bool XcpLoaderClearMemory(uint32_t addr, uint32_t len);
bool XcpLoaderReadData(uint32_t addr, uint32_t len, uint8_t *data);
bool XcpLoaderProgramData(uint32_t addr, uint32_t len, uint8_t *data);
#ifdef __cplusplus
}
#endif
#endif /* XCPLOADER_H */
/********************************* end of xcploader.h **********************************/

255
Host/Source/SerialBoot/xcptpuart.c
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@ -1,255 +0,0 @@
/************************************************************************************//**
* \file xcptpuart.c
* \brief XCP transport layer module for UART source file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include <stddef.h> /* for NULL declaration */
#include <stdlib.h> /* for standard library */
#include <string.h> /* for string library */
#include <assert.h> /* for assertions */
#include "xcptpuart.h" /* XCP transport layer for UART */
#include "timeutil.h" /* for time utilities module */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
/** \brief Maximum amount of data bytes that this module supports for XCP packets. */
#define XCP_TP_UART_MAX_DATA_LEN (256)
/****************************************************************************************
* Function prototypes
****************************************************************************************/
static void XcpTpUartInit(void *settings);
static void XcpTpUartDeinit(void);
static bool XcpTpUartConnect(void);
static void XcpTpUartDisconnect(void);
static bool XcpTpUartSendPacket(tXcpPacket *txPacket, tXcpPacket *rxPacket, uint16_t timeout);
/****************************************************************************************
* Local constant declarations
****************************************************************************************/
/** \brief XCP transport structure filled with UART specifics. */
static const tXcpTransport uartTransport =
{
XcpTpUartInit,
XcpTpUartDeinit,
XcpTpUartConnect,
XcpTpUartDisconnect,
XcpTpUartSendPacket
};
/****************************************************************************************
* Local data declarations
****************************************************************************************/
/** \brief The settings to use in this transport layer. */
static tXcpTpUartSettings tpUartSettings;
/***********************************************************************************//**
** \brief Obtains a pointer to the XCP UART transport structure, so that it can
** be linked to the XCP loader module.
** \return Pointer to XCP UART transport structure.
**
****************************************************************************************/
tXcpTransport const * const XcpTpUartGetTransport(void)
{
return &uartTransport;
} /*** end of XcpTpUartGetTransport ***/
/************************************************************************************//**
** \brief Initializes the transport layer.
** \param settings Pointer to settings structure.
** \return None.
**
****************************************************************************************/
static void XcpTpUartInit(void *settings)
{
/* verify parameters */
assert(settings != NULL);
/* shallow copy the transport layer settings for layer usage */
tpUartSettings = *((tXcpTpUartSettings *)settings);
/* the portname is a pointer and it is not gauranteed that it stays valid so we need
* to deep copy this one. note the +1 for '\0' in malloc.
*/
tpUartSettings.portname = malloc(strlen(((tXcpTpUartSettings *)settings)->portname) + 1);
strcpy(tpUartSettings.portname, ((tXcpTpUartSettings *)settings)->portname);
} /*** end of XcpTpUartInit ***/
/************************************************************************************//**
** \brief Uninitializes the transport layer.
** \return None.
**
****************************************************************************************/
static void XcpTpUartDeinit(void)
{
/* release memory that was allocated for storing the port name */
if (tpUartSettings.portname != NULL)
{
free(tpUartSettings.portname);
}
} /*** end of XcpTpUartDeinit ***/
/************************************************************************************//**
** \brief Connects to the transport layer.
** \return True is connected, false otherwise.
**
****************************************************************************************/
static bool XcpTpUartConnect(void)
{
/* connect to the serial port */
return SerialPortOpen(tpUartSettings.portname, tpUartSettings.baudrate);
} /*** end of XcpTpUartConnect ***/
/************************************************************************************//**
** \brief Disconnects from the transport layer.
** \return None.
**
****************************************************************************************/
static void XcpTpUartDisconnect(void)
{
/* disconnect from the serial port */
SerialPortClose();
} /*** end of XcpTpUartDisconnect ***/
/************************************************************************************//**
** \brief Transmits an XCP packet on the transport layer and attempts to receive the
** response packet within the specified timeout.
** \return True is successful and a response packet was received, false otherwise.
**
****************************************************************************************/
static bool XcpTpUartSendPacket(tXcpPacket *txPacket, tXcpPacket *rxPacket, uint16_t timeout)
{
static uint8_t uartBuffer[XCP_TP_UART_MAX_DATA_LEN + 1]; /* static to lower stack load */
uint8_t byteIdx;
uint32_t responseTimeoutTime;
bool packetReceptionComplete;
/* verify parameters */
assert(txPacket != NULL);
assert(txPacket->len <= XCP_TP_UART_MAX_DATA_LEN);
assert(rxPacket != NULL);
assert(timeout > 0);
/* prepare the XCP packet for transmission on UART. this is basically the same as the
* xcp packet data but just the length of the packet is added to the first byte.
*/
uartBuffer[0] = txPacket->len;
for (byteIdx=0; byteIdx<txPacket->len; byteIdx++)
{
uartBuffer[byteIdx + 1] = txPacket->data[byteIdx];
}
/* transmit the packet */
if (!SerialPortWrite(uartBuffer, txPacket->len + 1))
{
return false;
}
/* determine timeout time for the response packet */
responseTimeoutTime = TimeUtilGetSystemTimeMs() + timeout;
/* initialize packet reception length */
uartBuffer[0] = 0;
/* poll with timeout detection to receive the first byte. this one contains the
* packet length and cannot be zero.
*/
while (TimeUtilGetSystemTimeMs() < responseTimeoutTime)
{
if (SerialPortRead(&uartBuffer[0], 1))
{
/* length received. validate it before accepting it */
if (uartBuffer[0] > 0)
{
/* start of packet received. stop this loop to continue with the
* reception of the packet.
*/
break;
}
}
}
/* check if a valid start of packet was received */
if (uartBuffer[0] == 0)
{
/* no valid start of packet received, so a timeout occurred. */
return false;
}
/* continue with reception of the packet */
packetReceptionComplete = false;
byteIdx = 1;
/* poll with timeout detection to receive the full packet */
while (TimeUtilGetSystemTimeMs() < responseTimeoutTime)
{
/* check if the next byte was received */
if (SerialPortRead(&uartBuffer[byteIdx], 1))
{
/* check if the packet reception is now complete */
if (byteIdx == uartBuffer[0])
{
/* set flag and stop the loop */
packetReceptionComplete = true;
break;
}
/* increment indexer to the next byte */
byteIdx++;
}
}
/* check if a timeout occurred */
if (!packetReceptionComplete)
{
return false;
}
/* still here so a full packet was received. copy its contents except the length info
* which is stored in the first byte
*/
for (byteIdx=0; byteIdx<uartBuffer[0]; byteIdx++)
{
rxPacket->data[byteIdx] = uartBuffer[byteIdx + 1];
}
rxPacket->len = uartBuffer[0];
return true;
} /*** end of XcpTpUartSendPacket ***/
/*********************************** end of xcptpuart.c ********************************/

66
Host/Source/SerialBoot/xcptpuart.h
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@ -1,66 +0,0 @@
/************************************************************************************//**
* \file xcptpuart.h
* \brief XCP transport layer module for UART header file.
* \ingroup SerialBoot
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
#ifndef XCPTPUART_H
#define XCPTPUART_H
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************************
* Include files
****************************************************************************************/
#include "xcploader.h" /* XCP loader module */
#include "serialport.h" /* serial port module */
/***************************************************************************************
* Type definitions
****************************************************************************************/
/** \brief Layout of structure with settings specific to the XCP transport layer module
* for UART.
*/
typedef struct t_xcp_tp_uart_settings
{
tSerialPortBaudrate baudrate; /**< UART communication speed. */
char *portname; /**< interface port name, i.e. /dev/ttyUSB0. */
} tXcpTpUartSettings;
/***************************************************************************************
* Function prototypes
****************************************************************************************/
tXcpTransport const * const XcpTpUartGetTransport(void);
#ifdef __cplusplus
}
#endif
#endif /* XCPTPUART_H */
/********************************* end of xcptpuart.h **********************************/