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STM32 I2C2 arch: move i2c2 error handler into generic function

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This commit is contained in:
Allen
2011-03-03 14:22:12 -08:00
parent b941512252
commit e4ec334c18
1 changed files with 29 additions and 25 deletions
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sw/airborne/arch/stm32/mcu_periph/i2c_arch.c
+29 -25
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@@ -666,42 +666,46 @@ void i2c2_ev_irq_handler(void) {
i2c_event(&i2c2, event);
}
void i2c2_er_irq_handler(void) {
i2c2_errors.er_irq_cnt;
if (I2C_GetITStatus(I2C2, I2C_IT_AF)) { /* Acknowledge failure */
i2c2_errors.ack_fail_cnt++;
I2C_ClearITPendingBit(I2C2, I2C_IT_AF);
static inline void i2c_error(struct i2c_periph *p)
{
p->errors->er_irq_cnt;
if (I2C_GetITStatus(p->reg_addr, I2C_IT_AF)) { /* Acknowledge failure */
p->errors->ack_fail_cnt++;
I2C_ClearITPendingBit(p->reg_addr, I2C_IT_AF);
}
if (I2C_GetITStatus(I2C2, I2C_IT_BERR)) { /* Misplaced Start or Stop condition */
i2c2_errors.miss_start_stop_cnt++;
I2C_ClearITPendingBit(I2C2, I2C_IT_BERR);
if (I2C_GetITStatus(p->reg_addr, I2C_IT_BERR)) { /* Misplaced Start or Stop condition */
p->errors->miss_start_stop_cnt++;
I2C_ClearITPendingBit(p->reg_addr, I2C_IT_BERR);
}
if (I2C_GetITStatus(I2C2, I2C_IT_ARLO)) { /* Arbitration lost */
i2c2_errors.arb_lost_cnt++;
I2C_ClearITPendingBit(I2C2, I2C_IT_ARLO);
if (I2C_GetITStatus(p->reg_addr, I2C_IT_ARLO)) { /* Arbitration lost */
p->errors->arb_lost_cnt++;
I2C_ClearITPendingBit(p->reg_addr, I2C_IT_ARLO);
// I2C_AcknowledgeConfig(I2C2, DISABLE);
// uint8_t dummy __attribute__ ((unused)) = I2C_ReceiveData(I2C2);
// I2C_GenerateSTOP(I2C2, ENABLE);
}
if (I2C_GetITStatus(I2C2, I2C_IT_OVR)) { /* Overrun/Underrun */
i2c2_errors.over_under_cnt++;
I2C_ClearITPendingBit(I2C2, I2C_IT_OVR);
if (I2C_GetITStatus(p->reg_addr, I2C_IT_OVR)) { /* Overrun/Underrun */
p->errors->over_under_cnt++;
I2C_ClearITPendingBit(p->reg_addr, I2C_IT_OVR);
}
if (I2C_GetITStatus(I2C2, I2C_IT_PECERR)) { /* PEC Error in reception */
i2c2_errors.pec_recep_cnt++;
I2C_ClearITPendingBit(I2C2, I2C_IT_PECERR);
if (I2C_GetITStatus(p->reg_addr, I2C_IT_PECERR)) { /* PEC Error in reception */
p->errors->pec_recep_cnt++;
I2C_ClearITPendingBit(p->reg_addr, I2C_IT_PECERR);
}
if (I2C_GetITStatus(I2C2, I2C_IT_TIMEOUT)) { /* Timeout or Tlow error */
i2c2_errors.timeout_tlow_cnt++;
I2C_ClearITPendingBit(I2C2, I2C_IT_TIMEOUT);
if (I2C_GetITStatus(p->reg_addr, I2C_IT_TIMEOUT)) { /* Timeout or Tlow error */
p->errors->timeout_tlow_cnt++;
I2C_ClearITPendingBit(p->reg_addr, I2C_IT_TIMEOUT);
}
if (I2C_GetITStatus(I2C2, I2C_IT_SMBALERT)) { /* SMBus alert */
i2c2_errors.smbus_alert_cnt++;
I2C_ClearITPendingBit(I2C2, I2C_IT_SMBALERT);
if (I2C_GetITStatus(p->reg_addr, I2C_IT_SMBALERT)) { /* SMBus alert */
p->errors->smbus_alert_cnt++;
I2C_ClearITPendingBit(p->reg_addr, I2C_IT_SMBALERT);
}
abort_and_reset(&i2c2);
abort_and_reset(p);
}
void i2c2_er_irq_handler(void) {
i2c_error(&i2c2);
}