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gracefully handle i2c error (#2838)

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This commit is contained in:
Totoo
2025-10-21 07:37:14 +02:00
committed by GitHub
parent d3373734e9
commit 7041d507ca
1 changed files with 85 additions and 88 deletions
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firmware/chibios/os/hal/src/i2c.c
+20 -23
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@@ -79,8 +79,7 @@ void i2cInit(void) {
* *
* @init * @init
*/ */
void i2cObjectInit(I2CDriver *i2cp) { void i2cObjectInit(I2CDriver* i2cp) {
i2cp->state = I2C_STOP; i2cp->state = I2C_STOP;
i2cp->config = NULL; i2cp->config = NULL;
@@ -105,8 +104,7 @@ void i2cObjectInit(I2CDriver *i2cp) {
* *
* @api * @api
*/ */
void i2cStart(I2CDriver *i2cp, const I2CConfig *config) { void i2cStart(I2CDriver* i2cp, const I2CConfig* config) {
chDbgCheck((i2cp != NULL) && (config != NULL), "i2cStart"); chDbgCheck((i2cp != NULL) && (config != NULL), "i2cStart");
chDbgAssert((i2cp->state == I2C_STOP) || (i2cp->state == I2C_READY) || chDbgAssert((i2cp->state == I2C_STOP) || (i2cp->state == I2C_READY) ||
(i2cp->state == I2C_LOCKED), (i2cp->state == I2C_LOCKED),
@@ -127,8 +125,7 @@ void i2cStart(I2CDriver *i2cp, const I2CConfig *config) {
* *
* @api * @api
*/ */
void i2cStop(I2CDriver *i2cp) { void i2cStop(I2CDriver* i2cp) {
chDbgCheck(i2cp != NULL, "i2cStop"); chDbgCheck(i2cp != NULL, "i2cStop");
chDbgAssert((i2cp->state == I2C_STOP) || (i2cp->state == I2C_READY) || chDbgAssert((i2cp->state == I2C_STOP) || (i2cp->state == I2C_READY) ||
(i2cp->state == I2C_LOCKED), (i2cp->state == I2C_LOCKED),
@@ -149,8 +146,7 @@ void i2cStop(I2CDriver *i2cp) {
* *
* @api * @api
*/ */
i2cflags_t i2cGetErrors(I2CDriver *i2cp) { i2cflags_t i2cGetErrors(I2CDriver* i2cp) {
chDbgCheck(i2cp != NULL, "i2cGetErrors"); chDbgCheck(i2cp != NULL, "i2cGetErrors");
return i2c_lld_get_errors(i2cp); return i2c_lld_get_errors(i2cp);
@@ -182,11 +178,11 @@ i2cflags_t i2cGetErrors(I2CDriver *i2cp) {
* *
* @api * @api
*/ */
msg_t i2cMasterTransmitTimeout(I2CDriver *i2cp, msg_t i2cMasterTransmitTimeout(I2CDriver* i2cp,
i2caddr_t addr, i2caddr_t addr,
const uint8_t *txbuf, const uint8_t* txbuf,
size_t txbytes, size_t txbytes,
uint8_t *rxbuf, uint8_t* rxbuf,
size_t rxbytes, size_t rxbytes,
systime_t timeout) { systime_t timeout) {
msg_t rdymsg; msg_t rdymsg;
@@ -197,8 +193,10 @@ msg_t i2cMasterTransmitTimeout(I2CDriver *i2cp,
(timeout != TIME_IMMEDIATE), (timeout != TIME_IMMEDIATE),
"i2cMasterTransmitTimeout"); "i2cMasterTransmitTimeout");
chDbgAssert(i2cp->state == I2C_READY, // chDbgAssert(i2cp->state == I2C_READY, "i2cMasterTransmitTimeout(), #1", "not ready");
"i2cMasterTransmitTimeout(), #1", "not ready"); if (i2cp->state != I2C_READY) {
return RDY_TIMEOUT;
}
chSysLock(); chSysLock();
i2cp->errors = I2CD_NO_ERROR; i2cp->errors = I2CD_NO_ERROR;
@@ -233,12 +231,11 @@ msg_t i2cMasterTransmitTimeout(I2CDriver *i2cp,
* *
* @api * @api
*/ */
msg_t i2cMasterReceiveTimeout(I2CDriver *i2cp, msg_t i2cMasterReceiveTimeout(I2CDriver* i2cp,
i2caddr_t addr, i2caddr_t addr,
uint8_t *rxbuf, uint8_t* rxbuf,
size_t rxbytes, size_t rxbytes,
systime_t timeout){ systime_t timeout) {
msg_t rdymsg; msg_t rdymsg;
chDbgCheck((i2cp != NULL) && (addr != 0) && chDbgCheck((i2cp != NULL) && (addr != 0) &&
@@ -246,8 +243,10 @@ msg_t i2cMasterReceiveTimeout(I2CDriver *i2cp,
(timeout != TIME_IMMEDIATE), (timeout != TIME_IMMEDIATE),
"i2cMasterReceiveTimeout"); "i2cMasterReceiveTimeout");
chDbgAssert(i2cp->state == I2C_READY, // chDbgAssert(i2cp->state == I2C_READY, "i2cMasterReceive(), #1", "not ready");
"i2cMasterReceive(), #1", "not ready"); if (i2cp->state != I2C_READY) {
return RDY_TIMEOUT;
}
chSysLock(); chSysLock();
i2cp->errors = I2CD_NO_ERROR; i2cp->errors = I2CD_NO_ERROR;
@@ -273,8 +272,7 @@ msg_t i2cMasterReceiveTimeout(I2CDriver *i2cp,
* *
* @api * @api
*/ */
void i2cAcquireBus(I2CDriver *i2cp) { void i2cAcquireBus(I2CDriver* i2cp) {
chDbgCheck(i2cp != NULL, "i2cAcquireBus"); chDbgCheck(i2cp != NULL, "i2cAcquireBus");
#if CH_USE_MUTEXES #if CH_USE_MUTEXES
@@ -293,8 +291,7 @@ void i2cAcquireBus(I2CDriver *i2cp) {
* *
* @api * @api
*/ */
void i2cReleaseBus(I2CDriver *i2cp) { void i2cReleaseBus(I2CDriver* i2cp) {
chDbgCheck(i2cp != NULL, "i2cReleaseBus"); chDbgCheck(i2cp != NULL, "i2cReleaseBus");
#if CH_USE_MUTEXES #if CH_USE_MUTEXES