mirror of https://github.com/rusefi/ChibiOS.git
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3407 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio
parent
17a20fe36a
commit
fa0a7f52db
|
|
@ -34,24 +34,27 @@
|
|||
/*===========================================================================*/
|
||||
/* Driver constants. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver constants. */
|
||||
/*===========================================================================*/
|
||||
#define I2CD_NO_ERROR 0
|
||||
/** @brief Bus Error.*/
|
||||
#define I2CD_BUS_ERROR 0x01
|
||||
/** @brief Arbitration Lost (master mode).*/
|
||||
#define I2CD_ARBITRATION_LOST 0x02
|
||||
/** @brief Acknowledge Failure.*/
|
||||
#define I2CD_ACK_FAILURE 0x04
|
||||
/** @brief Overrun/Underrun.*/
|
||||
#define I2CD_OVERRUN 0x08
|
||||
/** @brief PEC Error in reception.*/
|
||||
#define I2CD_PEC_ERROR 0x10
|
||||
/** @brief Timeout or Tlow Error.*/
|
||||
#define I2CD_TIMEOUT 0x20
|
||||
/** @brief SMBus Alert.*/
|
||||
#define I2CD_SMB_ALERT 0x40
|
||||
|
||||
/**
|
||||
* @name I2C bus error conditions
|
||||
* @{
|
||||
*/
|
||||
#define I2CD_NO_ERROR 0x00 /**< @brief No error. */
|
||||
#define I2CD_BUS_ERROR 0x01 /**< @brief Bus Error. */
|
||||
#define I2CD_ARBITRATION_LOST 0x02 /**< @brief Arbitration Lost
|
||||
(master mode). */
|
||||
#define I2CD_ACK_FAILURE 0x04 /**< @brief Acknowledge Failure.*/
|
||||
#define I2CD_OVERRUN 0x08 /**< @brief Overrun/Underrun. */
|
||||
#define I2CD_PEC_ERROR 0x10 /**< @brief PEC Error in
|
||||
reception. */
|
||||
#define I2CD_TIMEOUT 0x20 /**< @brief Timeout Error. */
|
||||
#define I2CD_SMB_ALERT 0x40 /**< @brief SMBus Alert. */
|
||||
/** @} */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver pre-compile time settings. */
|
||||
/*===========================================================================*/
|
||||
|
|
@ -66,6 +69,7 @@
|
|||
/*===========================================================================*/
|
||||
/* Derived constants and error checks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if I2C_USE_MUTUAL_EXCLUSION && !CH_USE_MUTEXES && !CH_USE_SEMAPHORES
|
||||
#error "I2C_USE_MUTUAL_EXCLUSION requires CH_USE_MUTEXES and/or CH_USE_SEMAPHORES"
|
||||
#endif
|
||||
|
|
@ -78,27 +82,20 @@
|
|||
* @brief Driver state machine possible states.
|
||||
*/
|
||||
typedef enum {
|
||||
/* master part */
|
||||
I2C_UNINIT = 0, /**< @brief Not initialized. */
|
||||
I2C_STOP = 1, /**< @brief Stopped. */
|
||||
I2C_READY = 2, /**< @brief Ready. */
|
||||
I2C_ACTIVE_TRANSMIT = 3, /**< @brief Transmit in progress. */
|
||||
I2C_ACTIVE_RECEIVE = 4, /**< @brief Receive in progress. */
|
||||
I2C_ACTIVE_TRANSCEIVE = 5, /**< @brief Receive after transmit in progress. */
|
||||
|
||||
/* Slave part. Not realized. */
|
||||
I2C_SACTIVE = 10,
|
||||
I2C_STRANSMIT = 11,
|
||||
I2C_SRECEIVE = 12,
|
||||
I2C_UNINIT = 0, /**< Not initialized. */
|
||||
I2C_STOP = 1, /**< Stopped. */
|
||||
I2C_READY = 2, /**< Ready. */
|
||||
I2C_ACTIVE_TRANSMIT = 3, /**< Transmitting. */
|
||||
I2C_ACTIVE_RECEIVE = 4, /**< Receiving. */
|
||||
I2C_ACTIVE_TRANSCEIVE = 5, /**< Receiving after transmit. */
|
||||
} i2cstate_t;
|
||||
|
||||
|
||||
#include "i2c_lld.h"
|
||||
|
||||
/**
|
||||
* @brief I2C notification callback type.
|
||||
* @details This callback invoked when byte transfer finish event occurs,
|
||||
* No matter sending or reading.
|
||||
* no matter if sending or reading.
|
||||
*
|
||||
* @param[in] i2cp pointer to the @p I2CDriver object triggering the
|
||||
* callback
|
||||
|
|
@ -107,7 +104,6 @@ typedef enum {
|
|||
*/
|
||||
typedef void (*i2ccallback_t)(I2CDriver *i2cp, const I2CSlaveConfig *i2cscfg);
|
||||
|
||||
|
||||
/**
|
||||
* @brief I2C error notification callback type.
|
||||
*
|
||||
|
|
@ -119,13 +115,11 @@ typedef void (*i2ccallback_t)(I2CDriver *i2cp, const I2CSlaveConfig *i2cscfg);
|
|||
typedef void (*i2cerrorcallback_t)(I2CDriver *i2cp,
|
||||
const I2CSlaveConfig *i2cscfg);
|
||||
|
||||
|
||||
/**
|
||||
* @brief I2C transmission data block size.
|
||||
* @brief I2C transmission data block size.
|
||||
*/
|
||||
typedef uint8_t i2cblock_t;
|
||||
|
||||
|
||||
/**
|
||||
* @brief Structure representing an I2C slave configuration.
|
||||
* @details Each slave device has its own config structure with input and
|
||||
|
|
@ -138,7 +132,6 @@ struct I2CSlaveConfig{
|
|||
* If set to @p NULL then the callback is disabled.
|
||||
*/
|
||||
i2ccallback_t id_callback;
|
||||
|
||||
/**
|
||||
* @brief Callback pointer.
|
||||
* @note This callback will be invoked when error condition occur.
|
||||
|
|
@ -150,7 +143,6 @@ struct I2CSlaveConfig{
|
|||
#endif
|
||||
};
|
||||
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver macros. */
|
||||
/*===========================================================================*/
|
||||
|
|
@ -209,17 +201,18 @@ struct I2CSlaveConfig{
|
|||
* implementation only.
|
||||
*
|
||||
* @param[in] i2cp pointer to the @p I2CDriver object
|
||||
* @param[in] i2cscfg pointer to the @p I2CSlaveConfig object
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define _i2c_isr_code(i2cp, i2cscfg) { \
|
||||
if(((i2cp)->id_slave_config)->id_callback) { \
|
||||
((i2cp)->id_slave_config)->id_callback(i2cp, i2cscfg); \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
} \
|
||||
else \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
_i2c_wakeup_isr(i2cp); \
|
||||
#define _i2c_isr_code(i2cp, i2cscfg) { \
|
||||
if(((i2cp)->id_slave_config)->id_callback) { \
|
||||
((i2cp)->id_slave_config)->id_callback(i2cp, i2cscfg); \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
} \
|
||||
else \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
_i2c_wakeup_isr(i2cp); \
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -233,22 +226,24 @@ struct I2CSlaveConfig{
|
|||
* implementation only.
|
||||
*
|
||||
* @param[in] i2cp pointer to the @p I2CDriver object
|
||||
* @param[in] i2cscfg pointer to the @p I2CSlaveConfig object
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define _i2c_isr_err_code(i2cp, i2cscfg) { \
|
||||
if(((i2cp)->id_slave_config)->id_err_callback) { \
|
||||
((i2cp)->id_slave_config)->id_err_callback(i2cp, i2cscfg); \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
} \
|
||||
else \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
_i2c_wakeup_isr(i2cp); \
|
||||
#define _i2c_isr_err_code(i2cp, i2cscfg) { \
|
||||
if(((i2cp)->id_slave_config)->id_err_callback) { \
|
||||
((i2cp)->id_slave_config)->id_err_callback(i2cp, i2cscfg); \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
} \
|
||||
else \
|
||||
(i2cp)->id_state = I2C_READY; \
|
||||
_i2c_wakeup_isr(i2cp); \
|
||||
}
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
|
@ -257,11 +252,11 @@ extern "C" {
|
|||
void i2cStart(I2CDriver *i2cp, const I2CConfig *config);
|
||||
void i2cStop(I2CDriver *i2cp);
|
||||
void i2cMasterTransmit(I2CDriver *i2cp, const I2CSlaveConfig *i2cscfg,
|
||||
uint16_t slave_addr,
|
||||
uint8_t *txbuf, size_t txbytes,
|
||||
uint8_t *rxbuf, size_t rxbytes);
|
||||
uint16_t slave_addr,
|
||||
uint8_t *txbuf, size_t txbytes,
|
||||
uint8_t *rxbuf, size_t rxbytes);
|
||||
void i2cMasterReceive(I2CDriver *i2cp, const I2CSlaveConfig *i2cscfg,
|
||||
uint16_t slave_addr, uint8_t *rxbuf, size_t rxbytes);
|
||||
uint16_t slave_addr, uint8_t *rxbuf, size_t rxbytes);
|
||||
void i2cMasterStart(I2CDriver *i2cp);
|
||||
void i2cMasterStop(I2CDriver *i2cp);
|
||||
void i2cAddFlagsI(I2CDriver *i2cp, i2cflags_t mask);
|
||||
|
|
|
|||
Loading…
Reference in New Issue