stm32/can: Fix clearing filters on CAN3 (bxCAN).

projectgus · dpgeorge · commit 3a60f32c9db1 · 2025-01-17T13:08:14.000+11:00
HAL argument is ignored for CAN1, CAN2 but needed for CAN3.

Signed-off-by: Angus Gratton &lt;angus@redyak.com.au&gt;
diff --git a/ports/stm32/can.c b/ports/stm32/can.c
@@ -174,7 +174,7 @@ void can_clearfilter(pyb_can_obj_t *self, uint32_t f, uint8_t bank) {
     filter.FilterActivation = DISABLE;
     filter.BankNumber = bank;
 
-    HAL_CAN_ConfigFilter(NULL, &filter);
+    HAL_CAN_ConfigFilter(&self->can, &filter);
 }
 
 int can_receive(CAN_HandleTypeDef *can, int fifo, CanRxMsgTypeDef *msg, uint8_t *data, uint32_t timeout_ms) {

Original file line number	Diff line number	Diff line change
`@@ -174,7 +174,7 @@ void can_clearfilter(pyb_can_obj_t *self, uint32_t f, uint8_t bank) {`
`174`	`174`	`filter.FilterActivation = DISABLE;`
`175`	`175`	`filter.BankNumber = bank;`
`176`	`176`
`177`		`- HAL_CAN_ConfigFilter(NULL, &filter);`
	`177`	`+ HAL_CAN_ConfigFilter(&self->can, &filter);`
`178`	`178`	`}`
`179`	`179`
`180`	`180`	`int can_receive(CAN_HandleTypeDef can, int fifo, CanRxMsgTypeDef msg, uint8_t *data, uint32_t timeout_ms) {`