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stm32/fdcan: Use the right FIFO to calc element address in can_receive.

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iabdalkader 2020-06-30 22:59:28 +02:00 committed by Damien George
parent f5dd46b479
commit 8594389fe7
1 changed files with 8 additions and 2 deletions
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10
ports/stm32/fdcan.c
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@ -218,8 +218,14 @@ int can_receive(FDCAN_HandleTypeDef *can, int fifo, FDCAN_RxHeaderTypeDef *hdr,
}
// Get pointer to incoming message
uint32_t index = (can->Instance->RXF0S & FDCAN_RXF0S_F0GI) >> 8;
uint32_t *address = (uint32_t *)(can->msgRam.RxFIFO0SA + (index * can->Init.RxFifo0ElmtSize * 4));
uint32_t index, *address;
if (fifo == FDCAN_RX_FIFO0) {
index = (*rxf & FDCAN_RXF0S_F0GI) >> FDCAN_RXF0S_F0GI_Pos;
address = (uint32_t *)(can->msgRam.RxFIFO0SA + (index * can->Init.RxFifo0ElmtSize * 4));
} else {
index = (*rxf & FDCAN_RXF1S_F1GI) >> FDCAN_RXF1S_F1GI_Pos;
address = (uint32_t *)(can->msgRam.RxFIFO1SA + (index * can->Init.RxFifo1ElmtSize * 4));
}
// Parse header of message
hdr->IdType = *address & FDCAN_ELEMENT_MASK_XTD;