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driver/I2C: STm32: Updated HAL_I2C_ErrorCallback function to store information about error reason in obj_s->event #14631

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Merged
merged 1 commit into from
May 10, 2021
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driver/I2C: STm32: Updated HAL_I2C_ErrorCallback function to store information about error reason in obj_s->event #14631

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9 changes: 8 additions & 1 deletion targets/TARGET_STM/i2c_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1067,6 +1067,8 @@ void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c)
/* Get object ptr based on handler ptr */
i2c_t *obj = get_i2c_obj(hi2c);
struct i2c_s *obj_s = I2C_S(obj);
uint32_t event_code = 0;

#if DEVICE_I2CSLAVE
I2C_HandleTypeDef *handle = &(obj_s->handle);
uint32_t address = 0;
Expand All @@ -1076,6 +1078,11 @@ void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c)
}
#endif


if ((handle->ErrorCode & HAL_I2C_ERROR_AF) == HAL_I2C_ERROR_AF) {
/* Keep Set event flag */
event_code = (I2C_EVENT_TRANSFER_EARLY_NACK) | (I2C_EVENT_ERROR_NO_SLAVE);
}
DEBUG_PRINTF("HAL_I2C_ErrorCallback:%d, index=%d\r\n", (int) hi2c->ErrorCode, obj_s->index);

/* re-init IP to try and get back in a working state */
Expand All @@ -1090,7 +1097,7 @@ void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c)
#endif

/* Keep Set event flag */
obj_s->event = I2C_EVENT_ERROR;
obj_s->event = event_code | I2C_EVENT_ERROR;
}

const PinMap *i2c_master_sda_pinmap()
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