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make G4 target compileable with CAN support

pull/13565/head
Martin Eckardt 2020-08-11 21:58:56 +02:00
parent 54f0f56eff
commit 9bc2deb9aa
3 changed files with 24 additions and 5 deletions
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2
targets/TARGET_STM/TARGET_STM32G4/objects.h
View File

@ -133,7 +133,7 @@ struct analogin_s {
#if DEVICE_CAN
struct can_s {
CAN_HandleTypeDef CanHandle;
FDCAN_HandleTypeDef CanHandle;
int index;
int hz;
};

24
targets/TARGET_STM/can_api.c
View File

@ -133,9 +133,12 @@ static void _can_init_freq_direct(can_t *obj, const can_pinmap_t *pinmap, int hz
obj->CanHandle.Init.DataSyncJumpWidth = 0x1; // Not used - only in FDCAN
obj->CanHandle.Init.DataTimeSeg1 = 0x1; // Not used - only in FDCAN
obj->CanHandle.Init.DataTimeSeg2 = 0x1; // Not used - only in FDCAN
#ifndef TARGET_STM32G4
obj->CanHandle.Init.MessageRAMOffset = 0;
#endif
obj->CanHandle.Init.StdFiltersNbr = 1; // to be aligned with the handle parameter in can_filter
obj->CanHandle.Init.ExtFiltersNbr = 1; // to be aligned with the handle parameter in can_filter
#ifndef TARGET_STM32G4
obj->CanHandle.Init.RxFifo0ElmtsNbr = 8;
obj->CanHandle.Init.RxFifo0ElmtSize = FDCAN_DATA_BYTES_8;
obj->CanHandle.Init.RxFifo1ElmtsNbr = 0;
@ -145,9 +148,11 @@ static void _can_init_freq_direct(can_t *obj, const can_pinmap_t *pinmap, int hz
obj->CanHandle.Init.TxEventsNbr = 3;
obj->CanHandle.Init.TxBuffersNbr = 0;
obj->CanHandle.Init.TxFifoQueueElmtsNbr = 3;
#endif
obj->CanHandle.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION;
#ifndef TARGET_STM32G4
obj->CanHandle.Init.TxElmtSize = FDCAN_DATA_BYTES_8;
#endif
can_internal_init(obj);
}
@ -198,7 +203,9 @@ void can_irq_free(can_t *obj)
else {
return;
}
#ifndef TARGET_STM32G4
HAL_NVIC_DisableIRQ(FDCAN_CAL_IRQn);
#endif
can_irq_ids[obj->index] = 0;
}
@ -441,14 +448,21 @@ static void can_irq(CANName name, int id)
irq_handler(can_irq_ids[id], IRQ_TX);
}
}
#ifndef TARGET_STM32G4
if (__HAL_FDCAN_GET_IT_SOURCE(&CanHandle, FDCAN_IT_RX_BUFFER_NEW_MESSAGE)) {
if (__HAL_FDCAN_GET_FLAG(&CanHandle, FDCAN_IT_RX_BUFFER_NEW_MESSAGE)) {
__HAL_FDCAN_CLEAR_FLAG(&CanHandle, FDCAN_IT_RX_BUFFER_NEW_MESSAGE);
irq_handler(can_irq_ids[id], IRQ_RX);
}
}
#else
if (__HAL_FDCAN_GET_IT_SOURCE(&CanHandle, FDCAN_IT_RX_FIFO0_NEW_MESSAGE)) {
if (__HAL_FDCAN_GET_FLAG(&CanHandle, FDCAN_IT_RX_FIFO0_NEW_MESSAGE)) {
__HAL_FDCAN_CLEAR_FLAG(&CanHandle, FDCAN_IT_RX_FIFO0_NEW_MESSAGE);
irq_handler(can_irq_ids[id], IRQ_RX);
}
}
#endif
if (__HAL_FDCAN_GET_IT_SOURCE(&CanHandle, FDCAN_IT_ERROR_WARNING)) {
if (__HAL_FDCAN_GET_FLAG(&CanHandle, FDCAN_FLAG_ERROR_WARNING)) {
__HAL_FDCAN_CLEAR_FLAG(&CanHandle, FDCAN_FLAG_ERROR_WARNING);
@ -501,7 +515,11 @@ void can_irq_set(can_t *obj, CanIrqType type, uint32_t enable)
interrupts = FDCAN_IT_TX_COMPLETE;
break;
case IRQ_RX:
#ifndef TARGET_STM32G4
interrupts = FDCAN_IT_RX_BUFFER_NEW_MESSAGE;
#else
interrupts = FDCAN_IT_RX_FIFO0_NEW_MESSAGE;
#endif
break;
case IRQ_ERROR:
interrupts = FDCAN_IT_ERROR_WARNING;

3
targets/targets.json
View File

@ -2475,7 +2475,8 @@
"device_has_add": [
"ANALOGOUT",
"FLASH",
"MPU"
"MPU",
"CAN"
]
},
"NUCLEO_G474RE": {