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stmhal/i2c: Use the HAL's I2C IRQ handler for F7 and L4 MCUs.

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The custom IRQ handler only works for F4 MCUs, which have the SR1
register.
This commit is contained in:
Damien George 2016-11-21 16:12:09 +11:00
parent e30ca0e102
commit 21d82421cd
1 changed files with 18 additions and 0 deletions
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18
stmhal/i2c.c
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@ -340,6 +340,8 @@ void i2c_ev_irq_handler(mp_uint_t i2c_id) {
return;
}
#if defined(MCU_SERIES_F4)
if (hi2c->Instance->SR1 & I2C_FLAG_BTF && hi2c->State == HAL_I2C_STATE_BUSY_TX) {
if (hi2c->XferCount != 0U) {
hi2c->Instance->DR = *hi2c->pBuffPtr++;
@ -353,6 +355,13 @@ void i2c_ev_irq_handler(mp_uint_t i2c_id) {
hi2c->State = HAL_I2C_STATE_READY;
}
}
#else
// if not an F4 MCU, use the HAL's IRQ handler
HAL_I2C_EV_IRQHandler(hi2c);
#endif
}
void i2c_er_irq_handler(mp_uint_t i2c_id) {
@ -378,6 +387,8 @@ void i2c_er_irq_handler(mp_uint_t i2c_id) {
return;
}
#if defined(MCU_SERIES_F4)
uint32_t sr1 = hi2c->Instance->SR1;
// I2C Bus error
@ -404,6 +415,13 @@ void i2c_er_irq_handler(mp_uint_t i2c_id) {
hi2c->ErrorCode |= HAL_I2C_ERROR_OVR;
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_OVR);
}
#else
// if not an F4 MCU, use the HAL's IRQ handler
HAL_I2C_ER_IRQHandler(hi2c);
#endif
}
STATIC HAL_StatusTypeDef i2c_wait_dma_finished(I2C_HandleTypeDef *i2c, uint32_t timeout) {