/* * interrupt.h * * Created on: Aug 29, 2019 * Author: abody */ #ifndef CRC_HANDLER_H_ #define CRC_HANDLER_H_ #include #include #include "config.h" #ifndef CRCTASKCOUNT #define CRCTASKCOUNT 8 #endif struct crcstatus_t { DMAINFO dmaInfo; volatile uint8_t activeSlot; struct crctask_t { void *address; uint16_t wordCount; void (*callback)(void*, uint32_t, uint8_t); void *callbackParam; } volatile crcTasks[CRCTASKCOUNT]; }; //#define CRCTASKCOUNT (sizeof(((struct crcstatus_t*)0)->crcTasks)/sizeof(struct crctask_t)) void InitCrcStatus(struct crcstatus_t *status, DMA_TypeDef *dma, uint32_t stream); static inline uint8_t GetActiveSlot(struct crcstatus_t *status) { return status->activeSlot; } static inline uint8_t IsSlotQueued(struct crcstatus_t *status, uint8_t slot) { return status->crcTasks[slot].address != NULL; } static inline uint8_t IsSlotActive(struct crcstatus_t *status, uint8_t slot) { return status->crcTasks[slot].callback != NULL || status->crcTasks[slot].callbackParam != NULL; } uint8_t EnqueueCrcTask(struct crcstatus_t *crcStatus, uint8_t slot, uint8_t *address, uint16_t len, void (*callback)(void*, uint32_t, uint8_t), void* callbackParam); void WaitCrcResults(struct crcstatus_t *status, uint8_t slot); uint32_t ComputeCrc(struct crcstatus_t *status, uint8_t slot, uint8_t *address, uint16_t len); void ComputeCrcAsync(struct crcstatus_t *status, uint8_t slot, uint8_t *address, uint16_t len, void (*callback)(void*, uint32_t, uint8_t), void* callbackParam); void HandleCrcDmaIrq(struct crcstatus_t *status); #endif /* CRC_HANDLER_H_ */