/* * interrupt.h * * Created on: Aug 29, 2019 * Author: abody */ #ifndef CRC_HANDLER_H_ #define CRC_HANDLER_H_ #include #ifdef HAVE_CONFIG #include "config.h" #endif // HAVE_CONFIG #include #include #ifdef __cplusplus extern "C" { #endif struct crcslottask_t { void * volatile address; uint16_t wordCount; void (*callback)(void*, uint32_t, uint8_t); void *callbackParam; }; struct crcslotlistitem_t { uint16_t count; struct crcslotlistitem_t *next; struct crcslottask_t *tasks; }; struct crcstatus_t { CRC_TypeDef *crcUnit; struct dmainfo_t dmaInfo; struct crcslotlistitem_t *activeSlot; uint8_t activeTask; struct crcslotlistitem_t *firstSlot; }; void Crc_InitStatus(struct crcstatus_t *status, CRC_TypeDef *crcUnit, DMA_TypeDef *dma, uint32_t stream); uint8_t Crc_GetActiveTask(struct crcslotlistitem_t **slot_out, struct crcstatus_t volatile *status); static inline uint8_t Crc_IsSlotQueued(struct crcslotlistitem_t *slot, uint8_t task) { return ((struct crcslottask_t volatile)slot->tasks[task]).address != NULL; } static inline uint8_t Crc_IsSlotBusy(struct crcslotlistitem_t *slot, uint8_t task) { struct crcslottask_t volatile *taskPtr = &slot->tasks[task]; return taskPtr->callback != NULL || taskPtr->callbackParam != NULL; } static inline void Crc_WaitResults(struct crcstatus_t *status, struct crcslotlistitem_t *slot, uint8_t task) { while(Crc_IsSlotBusy(slot, task)); } void Crc_AttachTask(struct crcstatus_t *status, struct crcslotlistitem_t *slot, struct crcslottask_t *tasks, uint8_t taskCount); uint8_t Crc_Enqueue(struct crcstatus_t *status, struct crcslotlistitem_t *slot, uint8_t task, uint8_t *address, uint16_t len, void (*callback)(void*, uint32_t, uint8_t), void* callbackParam); uint32_t Crc_Compute(struct crcstatus_t *status, struct crcslotlistitem_t *slot, uint8_t task, uint8_t *address, uint16_t len); void Crc_ComputeAsync(struct crcstatus_t *status, uint8_t slot, uint8_t *address, uint16_t len, void (*callback)(void*, uint32_t, uint8_t), void* callbackParam); void Crc_HandleDmaIrq(struct crcstatus_t *status); #ifdef __cplusplus } #endif #endif /* CRC_HANDLER_H_ */