53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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* interrupt.h
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*
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* Created on: Aug 29, 2019
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* Author: abody
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*/
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#ifndef CRC_HANDLER_H_
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#define CRC_HANDLER_H_
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#include <inttypes.h>
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#ifdef HAVE_CONFIG
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#include "config.h"
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#endif // HAVE_CONFIG
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#include "f4ll_c/dma_helper.h"
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#ifndef CRCTASKCOUNT
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#define CRCTASKCOUNT 2
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#endif
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typedef struct {
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DMAINFO dmaInfo;
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volatile uint8_t activeSlot;
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struct crctask_t {
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void *address;
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uint16_t wordCount;
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void (*callback)(void*, uint32_t, uint8_t);
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void *callbackParam;
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} volatile crcTasks[CRCTASKCOUNT];
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} CRCSTATUS;
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void InitCrcStatus(CRCSTATUS *status, DMA_TypeDef *dma, uint32_t stream);
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static inline uint8_t GetActiveSlot(CRCSTATUS *status) {
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return status->activeSlot;
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}
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static inline uint8_t IsSlotQueued(CRCSTATUS *status, uint8_t slot) {
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return status->crcTasks[slot].address != NULL;
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}
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static inline uint8_t IsSlotActive(CRCSTATUS *status, uint8_t slot) {
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return status->crcTasks[slot].callback != NULL || status->crcTasks[slot].callbackParam != NULL;
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}
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uint8_t EnqueueCrcTask(CRCSTATUS *crcStatus, uint8_t slot, uint8_t *address, uint16_t len,
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void (*callback)(void*, uint32_t, uint8_t), void* callbackParam);
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void WaitCrcResults(CRCSTATUS *status, uint8_t slot);
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uint32_t ComputeCrc(CRCSTATUS *status, uint8_t slot, uint8_t *address, uint16_t len);
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void ComputeCrcAsync(CRCSTATUS *status, uint8_t slot,
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uint8_t *address, uint16_t len,
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void (*callback)(void*, uint32_t, uint8_t), void* callbackParam);
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void HandleCrcDmaIrq(CRCSTATUS *status);
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#endif /* CRC_HANDLER_H_ */
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