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rusefi/firmware/hw_layer/mmc_card.cpp

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/**
* @file mmc_card.cpp
*
* @date Dec 28, 2013
* @author Kot_dnz
* @author Andrey Belomutskiy, (c) 2012-2017
*
* default pinouts in case of SPI2 connected to MMC: PB13 - SCK, PB14 - MISO, PB15 - MOSI, PD4 - CS, 3.3v
* default pinouts in case of SPI3 connected to MMC: PB3 - SCK, PB4 - MISO, PB5 - MOSI, PD4 - CS, 3.3v
*
*
* todo: extract some logic into a controller file
*/
#include "main.h"
#if EFI_FILE_LOGGING || defined(__DOXYGEN__)
#include <stdio.h>
#include <string.h>
#include "mmc_card.h"
#include "pin_repository.h"
#include "ff.h"
#include "hardware.h"
#include "engine_configuration.h"
#include "status_loop.h"
#include "usb_msd.h"
#include "usb_msd_cfg.h"
#include "rtc_helper.h"
#define SD_STATE_INIT "init"
#define SD_STATE_MOUNTED "MOUNTED"
#define SD_STATE_MOUNT_FAILED "MOUNT_FAILED"
#define SD_STATE_OPEN_FAILED "OPEN_FAILED"
#define SD_STATE_SEEK_FAILED "SEEK_FAILED"
#define SD_STATE_NOT_INSERTED "NOT_INSERTED"
#define SD_STATE_CONNECTING "CONNECTING"
#define SD_STATE_NOT_CONNECTED "NOT_CONNECTED"
static const char *sdStatus = SD_STATE_INIT;
static bool fs_ready = false;
EXTERN_ENGINE;
#define LOG_INDEX_FILENAME "index.txt"
#define RUSEFI_LOG_PREFIX "rus"
#define PREFIX_LEN 3
#define SHORT_TIME_LEN 11
#define LS_RESPONSE "ls_result"
#define FILE_LIST_MAX_COUNT 20
extern board_configuration_s *boardConfiguration;
//static USBDriver *ms_usb_driver = &USBD1;
//static USBMassStorageDriver UMSD1;
//extern const USBConfig msd_usb_config;
#define PUSHPULLDELAY 500
static THD_WORKING_AREA(mmcThreadStack,3 * UTILITY_THREAD_STACK_SIZE); // MMC monitor thread
/**
* MMC driver instance.
*/
MMCDriver MMCD1;
static SPIConfig hs_spicfg = { NULL, NULL, 0,
SPI_BaudRatePrescaler_8 };
static SPIConfig ls_spicfg = { NULL, NULL, 0,
SPI_BaudRatePrescaler_256 };
/* MMC/SD over SPI driver configuration.*/
// don't forget check if STM32_SPI_USE_SPI2 defined and spi has init with correct GPIO in hardware.cpp
static MMCConfig mmccfg = { &MMC_CARD_SPI, &ls_spicfg, &hs_spicfg };
#define FILE_LOG_DELAY 200
/**
* fatfs MMC/SPI
*/
static FATFS MMC_FS;
static LoggingWithStorage logger("mmcCard");
// print FAT error function
static void printError(const char *str, FRESULT f_error) {
scheduleMsg(&logger, "FATfs Error \"%s\" %d", str, f_error);
}
static FIL FDLogFile;
static FIL FDCurrFile;
static int logFileIndex = 1;
static char logName[_MAX_FILLER + 20];
static void printMmcPinout(void) {
scheduleMsg(&logger, "MMC CS %s", hwPortname(boardConfiguration->sdCardCsPin));
// todo: we need to figure out the right SPI pinout, not just SPI2
// scheduleMsg(&logger, "MMC SCK %s:%d", portname(EFI_SPI2_SCK_PORT), EFI_SPI2_SCK_PIN);
// scheduleMsg(&logger, "MMC MISO %s:%d", portname(EFI_SPI2_MISO_PORT), EFI_SPI2_MISO_PIN);
// scheduleMsg(&logger, "MMC MOSI %s:%d", portname(EFI_SPI2_MOSI_PORT), EFI_SPI2_MOSI_PIN);
}
static void sdStatistics(void) {
printMmcPinout();
scheduleMsg(&logger, "SD enabled=%s status=%s", boolToString(boardConfiguration->isSdCardEnabled),
sdStatus);
if (fs_ready) {
scheduleMsg(&logger, "filename=%s size=%d", logName, engine->engineState.totalLoggedBytes);
}
}
static void incLogFileName(void) {
lockSpi(SPI_NONE);
memset(&FDCurrFile, 0, sizeof(FIL)); // clear the memory
FRESULT err = f_open(&FDCurrFile, LOG_INDEX_FILENAME, FA_READ); // This file has the index for next log file name
char data[_MAX_FILLER];
UINT result = 0;
if (err != FR_OK && err != FR_EXIST) {
logFileIndex = 1;
scheduleMsg(&logger, "%s: not found or error: %d", LOG_INDEX_FILENAME, err);
} else {
f_read(&FDCurrFile, (void*)data, sizeof(data), &result);
scheduleMsg(&logger, "Got content [%s] size %d", data, result);
f_close(&FDCurrFile);
if (result < 5) {
data[result] = 0;
logFileIndex = atoi(data);
if (absI(logFileIndex) == ERROR_CODE) {
logFileIndex = 1;
} else {
logFileIndex++; // next file would use next file name
}
} else {
logFileIndex = 1;
}
}
err = f_open(&FDCurrFile, LOG_INDEX_FILENAME, FA_OPEN_ALWAYS | FA_WRITE);
itoa10(data, logFileIndex);
f_write(&FDCurrFile, (void*)data, strlen(data), &result);
f_close(&FDCurrFile);
scheduleMsg(&logger, "Done %d", logFileIndex);
unlockSpi();
}
static void prepareLogFileName(void) {
strcpy(logName, RUSEFI_LOG_PREFIX);
bool result = dateToStringShort(&logName[PREFIX_LEN]);
char *ptr;
if (result) {
ptr = &logName[PREFIX_LEN + SHORT_TIME_LEN];
} else {
ptr = itoa10(&logName[PREFIX_LEN], logFileIndex);
}
strcat(ptr, ".msl");
}
/**
* @brief Create a new file with the specified name
*
* This function saves the name of the file in a global variable
* so that we can later append to that file
*/
static void createLogFile(void) {
lockSpi(SPI_NONE);
memset(&FDLogFile, 0, sizeof(FIL)); // clear the memory
prepareLogFileName();
FRESULT err = f_open(&FDLogFile, logName, FA_OPEN_ALWAYS | FA_WRITE); // Create new file
if (err != FR_OK && err != FR_EXIST) {
unlockSpi();
sdStatus = SD_STATE_OPEN_FAILED;
warning(CUSTOM_ERR_SD_MOUNT_FAILED, "SD: mount failed");
printError("FS mount failed", err); // else - show error
return;
}
err = f_lseek(&FDLogFile, f_size(&FDLogFile)); // Move to end of the file to append data
if (err) {
unlockSpi();
sdStatus = SD_STATE_SEEK_FAILED;
warning(CUSTOM_ERR_SD_SEEK_FAILED, "SD: seek failed");
printError("Seek error", err);
return;
}
f_sync(&FDLogFile);
fs_ready = true; // everything Ok
unlockSpi();
}
static void removeFile(const char *pathx) {
if (!fs_ready) {
scheduleMsg(&logger, "Error: No File system is mounted");
return;
}
lockSpi(SPI_NONE);
f_unlink(pathx);
unlockSpi();
}
/*
** return lower-case of c if upper-case, else c
*/
int mytolower(const char c) {
if(c<='Z' && c>='A') return (c+32);
return (c);
}
int
mystrncasecmp(const char *s1, const char *s2, size_t n)
{
if (n != 0) {
const char *us1 = (const char *)s1;
const char *us2 = (const char *)s2;
do {
if (mytolower(*us1) != mytolower(*us2))
return (mytolower(*us1) - mytolower(*us2));
if (*us1++ == '\0')
break;
us2++;
} while (--n != 0);
}
return (0);
}
static char lfNameBuff[100];
static void listDirectory(const char *path) {
if (!fs_ready) {
scheduleMsg(&logger, "Error: No File system is mounted");
return;
}
lockSpi(SPI_NONE);
DIR dir;
FRESULT res = f_opendir(&dir, path);
if (res != FR_OK) {
scheduleMsg(&logger, "Error opening directory %s", path);
unlockSpi();
return;
}
scheduleMsg(&logger, LS_RESPONSE);
int i = strlen(path);
for (int count = 0;count < FILE_LIST_MAX_COUNT;) {
FILINFO fno;
#if _USE_LFN
fno.lfname = lfNameBuff;
fno.lfsize = sizeof(lfNameBuff);
#endif
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0)
break;
if (fno.fname[0] == '.')
continue;
if ((fno.fattrib & AM_DIR) || mystrncasecmp(RUSEFI_LOG_PREFIX, fno.fname, sizeof(RUSEFI_LOG_PREFIX) - 1)) {
continue;
}
scheduleMsg(&logger, "logfile%lu:%s", fno.fsize, fno.lfname[0] == 0 ? fno.fname : fno.lfname);
count++;
// scheduleMsg(&logger, "%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu %-12s", (fno.fattrib & AM_DIR) ? 'D' : '-',
// (fno.fattrib & AM_RDO) ? 'R' : '-', (fno.fattrib & AM_HID) ? 'H' : '-',
// (fno.fattrib & AM_SYS) ? 'S' : '-', (fno.fattrib & AM_ARC) ? 'A' : '-', (fno.fdate >> 9) + 1980,
// (fno.fdate >> 5) & 15, fno.fdate & 31, (fno.ftime >> 11), (fno.ftime >> 5) & 63, fno.fsize,
// fno.fname);
}
unlockSpi();
}
static int errorReported = FALSE; // this is used to report the error only once
void readLogFileContent(char *buffer, short fileId, short offset, short length) {
}
/**
* @brief Appends specified line to the current log file
*/
void appendToLog(const char *line) {
UINT bytesWrited;
if (!fs_ready) {
if (!errorReported)
scheduleMsg(&logger, "appendToLog Error: No File system is mounted");
errorReported = TRUE;
return;
}
UINT lineLength = strlen(line);
engine->engineState.totalLoggedBytes += lineLength;
lockSpi(SPI_NONE);
FRESULT err = f_write(&FDLogFile, line, lineLength, &bytesWrited);
if (bytesWrited < lineLength) {
printError("write error or disk full", err); // error or disk full
}
f_sync(&FDLogFile);
unlockSpi();
}
/*
* MMC card umount.
*/
static void MMCumount(void) {
if (!fs_ready) {
scheduleMsg(&logger, "Error: No File system is mounted. \"mountsd\" first");
return;
}
f_close(&FDLogFile); // close file
f_sync(&FDLogFile); // sync ALL
mmcDisconnect(&MMCD1); // Brings the driver in a state safe for card removal.
mmcStop(&MMCD1); // Disables the MMC peripheral.
f_mount(0, NULL); // FATFS: Unregister work area prior to discard it
memset(&FDLogFile, 0, sizeof(FIL)); // clear FDLogFile
fs_ready = false; // status = false
scheduleMsg(&logger, "MMC/SD card removed");
}
/*
* MMC card mount.
*/
static void MMCmount(void) {
// printMmcPinout();
if (fs_ready) {
scheduleMsg(&logger, "Error: Already mounted. \"umountsd\" first");
return;
}
// start to initialize MMC/SD
mmcStart(&MMCD1, &mmccfg); // Configures and activates the MMC peripheral.
// Performs the initialization procedure on the inserted card.
lockSpi(SPI_NONE);
sdStatus = SD_STATE_CONNECTING;
if (mmcConnect(&MMCD1) != CH_SUCCESS) {
sdStatus = SD_STATE_NOT_CONNECTED;
warning(CUSTOM_OBD_MMC_ERROR, "Can't connect or mount MMC/SD");
unlockSpi();
return;
}
if (engineConfiguration->storageMode == MS_ALWAYS) {
// BaseBlockDevice *bbdp = (BaseBlockDevice*)&MMCD1;
// const usb_msd_driver_state_t msd_driver_state = msdInit(ms_usb_driver, bbdp, &UMSD1, USB_MS_DATA_EP, USB_MSD_INTERFACE_NUMBER);
// UMSD1.chp = NULL;
//
// /*Disconnect the USB Bus*/
// usbDisconnectBus(ms_usb_driver);
// chThdSleepMilliseconds(200);
//
// /*Start the useful functions*/
// msdStart(&UMSD1);
// usbStart(ms_usb_driver, &msd_usb_config);
//
// /*Connect the USB Bus*/
// usbConnectBus(ms_usb_driver);
}
unlockSpi();
// if Ok - mount FS now
memset(&MMC_FS, 0, sizeof(FATFS));
if (f_mount(0, &MMC_FS) == FR_OK) {
sdStatus = SD_STATE_MOUNTED;
incLogFileName();
createLogFile();
scheduleMsg(&logger, "MMC/SD mounted!");
} else {
sdStatus = SD_STATE_MOUNT_FAILED;
}
}
static THD_FUNCTION(MMCmonThread, arg) {
chRegSetThreadName("MMC_Monitor");
while (true) {
// this returns TRUE if SD module is there, even without an SD card?
if (blkIsInserted(&MMCD1)) {
if (!fs_ready) {
MMCmount();
}
} else {
sdStatus = SD_STATE_NOT_INSERTED;
}
if (isSdCardAlive())
writeLogLine();
chThdSleepMilliseconds(FILE_LOG_DELAY);
}
}
bool isSdCardAlive(void) {
return fs_ready;
}
void initMmcCard(void) {
logName[0] = 0;
addConsoleAction("sdinfo", sdStatistics);
if (!boardConfiguration->isSdCardEnabled) {
return;
}
hs_spicfg.ssport = ls_spicfg.ssport = getHwPort(boardConfiguration->sdCardCsPin);
hs_spicfg.sspad = ls_spicfg.sspad = getHwPin(boardConfiguration->sdCardCsPin);
/**
* FYI: SPI does not work with CCM memory, be sure to have main() stack in RAM, not in CCMRAM
*/
// start to initialize MMC/SD
mmcObjectInit(&MMCD1); // Initializes an instance.
mmcStart(&MMCD1, &mmccfg);
chThdCreateStatic(mmcThreadStack, sizeof(mmcThreadStack), LOWPRIO, (tfunc_t) MMCmonThread, NULL);
addConsoleAction("mountsd", MMCmount);
addConsoleActionS("appendToLog", appendToLog);
addConsoleAction("umountsd", MMCumount);
addConsoleActionS("ls", listDirectory);
addConsoleActionS("del", removeFile);
addConsoleAction("incfilename", incLogFileName);
}
#endif /* EFI_FILE_LOGGING */
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