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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_2.2.x@2653 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2011-01-16 10:19:39 +00:00
parent 1f64f68d85
commit e67d37092d
37 changed files with 0 additions and 955 deletions
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7
demos/ARM7-AT91SAM7S-FATFS-GCC/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-AT91SAM7S-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-AT91SAM7X-FATFS-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-AT91SAM7X-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-AT91SAM7X-LWIP-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-AT91SAM7X-UIP-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-LPC214x-FATFS-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-LPC214x-G++/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARM7-LPC214x-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARMCM0-LPC1114-LPCXPRESSO/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARMCM3-LPC1343-LPCXPRESSO/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARMCM3-STM32F100-DISCOVERY/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARMCM3-STM32F103-FATFS-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARMCM3-STM32F103/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/ARMCM3-STM32F107-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/AVR-AT90CANx-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/AVR-ATmega128-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/MSP430-MSP430x1611-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/PPC-SPC563-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/Posix-GCC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/STM8L-STM8L152-DISCOVERY-STVD/demo/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/STM8S-STM8S105-DISCOVERY-STVD/demo/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/STM8S-STM8S208-RC/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
demos/Win32-MinGW/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

41
os/hal/dox/i2c.dox
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@ -1,41 +0,0 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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 should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @defgroup I2C I2C Driver
* @brief Generic I2C Driver.
* @details This module implements a generic I2C driver.
* @pre In order to use the I2C driver the @p HAL_USE_I2C option
* must be enabled in @p halconf.h.
*
* @section i2c_1 Driver State Machine
* The driver implements a state machine internally, not all the driver
* functionalities can be used in any moment, any transition not explicitly
* shown in the following diagram has to be considered an error and shall
* be captured by an assertion (if enabled).
* @if LATEX_PDF
* @else
* @endif
*
* The driver is not thread safe for performance reasons, if you need to access
* the I2C bus from multiple thread then use the @p i2cAcquireBus() and
* @p i2cReleaseBus() APIs in order to gain exclusive access.
*
* @ingroup IO
*/

144
os/hal/include/i2c.h
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@ -1,144 +0,0 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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 should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file i2c.h
* @brief I2C Driver macros and structures.
*
* @addtogroup I2C
* @{
*/
#ifndef _I2C_H_
#define _I2C_H_
#if HAL_USE_I2C || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Enables the mutual exclusion APIs on the I2C bus.
*/
#if !defined(I2C_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define I2C_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Driver state machine possible states.
*/
typedef enum {
I2C_UNINIT = 0, /**< Not initialized. */
I2C_STOP = 1, /**< Stopped. */
I2C_READY = 2, /**< Ready. */
I2C_MREADY = 3, /**< START and address sent. */
I2C_MTRANSMIT = 4, /**< Master transmitting. */
I2C_MRECEIVE = 5, /**< Master receiving. */
I2C_MERROR = 6 /**< Error condition. */
} i2cstate_t;
#include "i2c_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @brief Read mode.
*/
#define I2C_READ 1
/**
* @brief Write mode.
*/
#define I2C_WRITE 0
/**
* @brief Seven bits addresses header builder.
*
* @param[in] addr seven bits address value
* @param[in] rw read/write flag
*
* @return A 16 bit value representing the header, the most
* significant byte is always zero.
*/
#define I2C_ADDR7(addr, rw) (uint16_t)((addr) << 1 | (rw))
/**
* @brief Ten bits addresses header builder.
*
* @param[in] addr ten bits address value
* @param[in] rw read/write flag
*
* @return A 16 bit value representing the header, the most
* significant byte is the first one to be transmitted.
*/
#define I2C_ADDR10(addr, rw) \
(uint16_t)(0xF000 | \
(((addr) & 0x0300) << 1) | \
(((rw) << 8)) | \
((addr) & 0x00FF))
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void i2cInit(void);
void i2cObjectInit(I2CDriver *i2cp);
void i2cStart(I2CDriver *i2cp, const I2CConfig *config);
void i2cStop(I2CDriver *i2cp);
void i2cMasterStartI(I2CDriver *i2cp,
uint16_t header,
i2ccallback_t callback);
void i2cMasterStopI(I2CDriver *i2cp, i2ccallback_t callback);
void i2cMasterRestartI(I2CDriver *i2cp, i2ccallback_t callback);
void i2cMasterTransmitI(I2CDriver *i2cp, size_t n, const uint8_t *txbuf,
i2ccallback_t callback);
void i2cMasterReceiveI(I2CDriver *i2cp, size_t n, uint8_t *rxbuf,
i2ccallback_t callback);
#if I2C_USE_MUTUAL_EXCLUSION
void i2cAcquireBus(I2CDriver *i2cp);
void i2cReleaseBus(I2CDriver *i2cp);
#endif /* I2C_USE_MUTUAL_EXCLUSION */
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_I2C */
#endif /* _I2C_H_ */
/** @} */

272
os/hal/src/i2c.c
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@ -1,272 +0,0 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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 should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file i2c.c
* @brief I2C Driver code.
*
* @addtogroup I2C
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_I2C || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief I2C Driver initialization.
* @note This function is implicitly invoked by @p halInit(), there is
* no need to explicitly initialize the driver.
*
* @init
*/
void i2cInit(void) {
i2c_lld_init();
}
/**
* @brief Initializes the standard part of a @p I2CDriver structure.
*
* @param[out] i2cp pointer to the @p I2CDriver object
*
* @init
*/
void i2cObjectInit(I2CDriver *i2cp) {
i2cp->i2c_state = I2C_STOP;
i2cp->i2c_config = NULL;
#if defined(I2C_DRIVER_EXT_INIT_HOOK)
I2C_DRIVER_EXT_INIT_HOOK(i2cp);
#endif
}
/**
* @brief Configures and activates the I2C peripheral.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] config pointer to the @p I2CConfig object
*
* @api
*/
void i2cStart(I2CDriver *i2cp, const I2CConfig *config) {
chDbgCheck((i2cp != NULL) && (config != NULL), "i2cStart");
chSysLock();
chDbgAssert((i2cp->i2c_state == I2C_STOP) || (i2cp->i2c_state == I2C_READY),
"i2cStart(), #1",
"invalid state");
i2cp->i2c_config = config;
i2c_lld_start(i2cp);
i2cp->i2c_state = I2C_READY;
chSysUnlock();
}
/**
* @brief Deactivates the I2C peripheral.
*
* @param[in] i2cp pointer to the @p I2CDriver object
*
* @api
*/
void i2cStop(I2CDriver *i2cp) {
chDbgCheck(i2cp != NULL, "i2cStop");
chSysLock();
chDbgAssert((i2cp->i2c_state == I2C_STOP) || (i2cp->i2c_state == I2C_READY),
"i2cStop(), #1",
"invalid state");
i2c_lld_stop(i2cp);
i2cp->i2c_state = I2C_STOP;
chSysUnlock();
}
/**
* @brief Initiates a master bus transaction.
* @details This function sends a start bit followed by an one or two bytes
* header.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] header transaction header
* @param[in] callback operation complete callback
*
* @iclass
*/
void i2cMasterStartI(I2CDriver *i2cp,
uint16_t header,
i2ccallback_t callback) {
chDbgCheck((i2cp != NULL) && (callback != NULL), "i2cMasterStartI");
chDbgAssert(i2cp->i2c_state == I2C_READY,
"i2cMasterStartI(), #1", "invalid state");
i2cp->id_callback = callback;
i2c_lld_master_start(i2cp, header);
}
/**
* @brief Terminates a master bus transaction.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] callback operation complete callback
*
* @iclass
*/
void i2cMasterStopI(I2CDriver *i2cp, i2ccallback_t callback) {
chDbgCheck((i2cp != NULL) && (callback != NULL), "i2cMasterStopI");
chDbgAssert(i2cp->i2c_state == I2C_MREADY,
"i2cMasterStopI(), #1", "invalid state");
i2cp->id_callback = callback;
i2c_lld_master_stop(i2cp);
}
/**
* @brief Sends a restart bit.
* @details Restart bits are required by some types of I2C transactions.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] callback operation complete callback
*
* @iclass
*/
void i2cMasterRestartI(I2CDriver *i2cp, i2ccallback_t callback) {
chDbgCheck((i2cp != NULL) && (callback != NULL), "i2cMasterRestartI");
chDbgAssert(i2cp->i2c_state == I2C_MREADY,
"i2cMasterRestartI(), #1", "invalid state");
i2cp->id_callback = callback;
i2c_lld_master_restart(i2cp);
}
/**
* @brief Master transmission.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] n number of bytes to be transmitted
* @param[in] txbuf transmit data buffer pointer
* @param[in] callback operation complete callback
*
* @iclass
*/
void i2cMasterTransmitI(I2CDriver *i2cp, size_t n, const uint8_t *txbuf,
i2ccallback_t callback) {
chDbgCheck((i2cp != NULL) && (n > 0) &&
(txbuf != NULL) && (callback != NULL), "i2cMasterTransmitI");
chDbgAssert(i2cp->i2c_state == I2C_MREADY,
"i2cMasterTransmitI(), #1", "invalid state");
i2cp->id_callback = callback;
i2c_lld_master_transmit(i2cp, n, txbuf);
}
/**
* @brief Master receive.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] n number of bytes to be transmitted
* @param[in] rxbuf receive data buffer pointer
* @param[in] callback operation complete callback
*
* @iclass
*/
void i2cMasterReceiveI(I2CDriver *i2cp, size_t n, uint8_t *rxbuf,
i2ccallback_t callback) {
chDbgCheck((i2cp != NULL) && (n > 0) &&
(rxbuf != NULL) && (callback != NULL), "i2cMasterReceiveI");
chDbgAssert(i2cp->i2c_state == I2C_MREADY,
"i2cMasterReceiveI(), #1", "invalid state");
i2cp->id_callback = callback;
i2c_lld_master_receive(i2cp, n, rxbuf);
}
#if I2C_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
/**
* @brief Gains exclusive access to the I2C bus.
* @details This function tries to gain ownership to the I2C bus, if the bus
* is already being used then the invoking thread is queued.
* @pre In order to use this function the option @p I2C_USE_MUTUAL_EXCLUSION
* must be enabled.
*
* @param[in] i2cp pointer to the @p I2CDriver object
*
* @api
*
*/
void i2cAcquireBus(I2CDriver *i2cp) {
chDbgCheck(i2cp != NULL, "i2cAcquireBus");
#if CH_USE_MUTEXES
chMtxLock(&i2cp->id_mutex);
#elif CH_USE_SEMAPHORES
chSemWait(&i2cp->id_semaphore);
#endif
}
/**
* @brief Releases exclusive access to the I2C bus.
* @pre In order to use this function the option @p I2C_USE_MUTUAL_EXCLUSION
* must be enabled.
*
* @param[in] i2cp pointer to the @p I2CDriver object
*
* @api
*/
void i2cReleaseBus(I2CDriver *i2cp) {
chDbgCheck(i2cp != NULL, "i2cReleaseBus");
#if CH_USE_MUTEXES
(void)i2cp;
chMtxUnlock();
#elif CH_USE_SEMAPHORES
chSemSignal(&i2cp->id_semaphore);
#endif
}
#endif /* I2C_USE_MUTUAL_EXCLUSION */
#endif /* HAL_USE_I2C */
/** @} */

7
os/hal/templates/halconf.h
View File

@ -54,13 +54,6 @@
#define HAL_USE_CAN TRUE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

154
os/hal/templates/i2c_lld.c
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@ -1,154 +0,0 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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 should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file templates/i2c_lld.c
* @brief I2C Driver subsystem low level driver source template.
*
* @addtogroup I2C
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_I2C || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level I2C driver initialization.
*
* @notapi
*/
void i2c_lld_init(void) {
}
/**
* @brief Configures and activates the I2C peripheral.
*
* @param[in] i2cp pointer to the @p I2CDriver object
*
* @notapi
*/
void i2c_lld_start(I2CDriver *i2cp) {
if (i2cp->i2c_state == I2C_STOP) {
/* Clock activation.*/
}
/* Configuration.*/
}
/**
* @brief Deactivates the I2C peripheral.
*
* @param[in] i2cp pointer to the @p I2CDriver object
*
* @notapi
*/
void i2c_lld_stop(I2CDriver *i2cp) {
}
/**
* @brief Initiates a master bus transaction.
* @details This function sends a start bit followed by an one or two bytes
* header.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] header transaction header
*
* @notapi
*/
void i2c_lld_master_start(I2CDriver *i2cp, uint16_t header) {
}
/**
* @brief Terminates a master bus transaction.
*
* @param[in] i2cp pointer to the @p I2CDriver object
*
* @notapi
*/
void i2c_lld_master_stop(I2CDriver *i2cp) {
}
/**
* @brief Sends a restart bit.
* @details Restart bits are required by some types of I2C transactions.
*
* @param[in] i2cp pointer to the @p I2CDriver object
*
* @notapi
*/
void i2c_lld_master_restart(I2CDriver *i2cp) {
}
/**
* @brief Master transmission.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] n number of bytes to be transmitted
* @param[in] txbuf transmit data buffer pointer
*
* @notapi
*/
void i2c_lld_master_transmit(I2CDriver *i2cp, size_t n,
const uint8_t *txbuf) {
}
/**
* @brief Master receive.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] n number of bytes to be transmitted
* @param[in] rxbuf receive data buffer pointer
*
* @notapi
*/
void i2c_lld_master_receive(I2CDriver *i2cp, size_t n, uint8_t *rxbuf) {
}
#endif /* HAL_USE_I2C */
/** @} */

120
os/hal/templates/i2c_lld.h
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@ -1,120 +0,0 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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 should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file templates/i2c_lld.h
* @brief I2C Driver subsystem low level driver header template.
*
* @addtogroup I2C
* @{
*/
#ifndef _I2C_LLD_H_
#define _I2C_LLD_H_
#if HAL_USE_I2C || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of a structure representing an I2C driver.
*/
typedef struct I2CDriver I2CDriver;
/**
* @brief I2C completion callback type.
*
* @param[in] i2cp pointer to the @p I2CDriver object
* @param[in] sts operation status
*/
typedef void (*i2ccallback_t)(I2CDriver *i2cp, i2cstatus_t sts);
/**
* @brief Driver configuration structure.
* @note Implementations may extend this structure to contain more,
* architecture dependent, fields.
*/
typedef struct {
/** @brief I2C bus bit rate.*/
uint32_t ic_speed;
/* End of the mandatory fields.*/
} I2CConfig;
/**
* @brief Structure representing an I2C driver.
* @note Implementations may extend this structure to contain more,
* architecture dependent, fields.
*/
struct I2CDriver {
/** @brief Driver state.*/
i2cstate_t id_state;
/** @brief Current configuration data.*/
const I2CConfig *id_config;
/** @brief Current callback.*/
i2ccallback_t id_callback;
#if defined(I2C_DRIVER_EXT_FIELDS)
I2C_DRIVER_EXT_FIELDS
#endif
/* End of the mandatory fields.*/
};
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void i2c_lld_init(void);
void i2c_lld_start(I2CDriver *i2cp);
void i2c_lld_stop(I2CDriver *i2cp);
void i2c_lld_master_start(I2CDriver *i2cp, uint16_t header);
void i2c_lld_master_stop(I2CDriver *i2cp);
void i2c_lld_master_restart(I2CDriver *i2cp);
void i2c_lld_master_transmit(I2CDriver *i2cp, size_t n,
const uint8_t *txbuf);
void i2c_lld_master_receive(I2CDriver *i2cp, size_t n, uint8_t *rxbuf);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_I2C */
#endif /* _I2C_LLD_H_ */
/** @} */

7
test/coverage/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
testhal/STM32/ADC/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
testhal/STM32/CAN/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN TRUE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
testhal/STM32/PWM/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
testhal/STM32/SPI/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
testhal/STM32/UART/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/

7
testhal/STM8S/SPI/demo/halconf.h
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@ -54,13 +54,6 @@
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/