StackRduino
diff --git a/‎stmhal/i2c.c‎
Lines changed: 18 additions & 0 deletions b/‎stmhal/i2c.c‎
Lines changed: 18 additions & 0 deletions
@@ -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) {
Original file line number	Diff line number	Diff line change
`@@ -340,6 +340,8 @@ void i2c_ev_irq_handler(mp_uint_t i2c_id) {`
`340`	`340`	`return;`
`341`	`341`	`}`
`342`	`342`
	`343`	`+ #if defined(MCU_SERIES_F4)`
	`344`	`+`
`343`	`345`	`if (hi2c->Instance->SR1 & I2C_FLAG_BTF && hi2c->State == HAL_I2C_STATE_BUSY_TX) {`
`344`	`346`	`if (hi2c->XferCount != 0U) {`
`345`	`347`	`hi2c->Instance->DR = *hi2c->pBuffPtr++;`
`@@ -353,6 +355,13 @@ void i2c_ev_irq_handler(mp_uint_t i2c_id) {`
`353`	`355`	`hi2c->State = HAL_I2C_STATE_READY;`
`354`	`356`	`}`
`355`	`357`	`}`
	`358`	`+`
	`359`	`+ #else`
	`360`	`+`
	`361`	`+ // if not an F4 MCU, use the HAL's IRQ handler`
	`362`	`+ HAL_I2C_EV_IRQHandler(hi2c);`
	`363`	`+`
	`364`	`+ #endif`
`356`	`365`	`}`
`357`	`366`
`358`	`367`	`void i2c_er_irq_handler(mp_uint_t i2c_id) {`
`@@ -378,6 +387,8 @@ void i2c_er_irq_handler(mp_uint_t i2c_id) {`
`378`	`387`	`return;`
`379`	`388`	`}`
`380`	`389`
	`390`	`+ #if defined(MCU_SERIES_F4)`
	`391`	`+`
`381`	`392`	`uint32_t sr1 = hi2c->Instance->SR1;`
`382`	`393`
`383`	`394`	`// I2C Bus error`
`@@ -404,6 +415,13 @@ void i2c_er_irq_handler(mp_uint_t i2c_id) {`
`404`	`415`	`hi2c->ErrorCode \|= HAL_I2C_ERROR_OVR;`
`405`	`416`	`__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_OVR);`
`406`	`417`	`}`
	`418`	`+`
	`419`	`+ #else`
	`420`	`+`
	`421`	`+ // if not an F4 MCU, use the HAL's IRQ handler`
	`422`	`+ HAL_I2C_ER_IRQHandler(hi2c);`
	`423`	`+`
	`424`	`+ #endif`
`407`	`425`	`}`
`408`	`426`
`409`	`427`	`STATIC HAL_StatusTypeDef i2c_wait_dma_finished(I2C_HandleTypeDef *i2c, uint32_t timeout) {`