f407ve_hs_uart/components/f4ll_c/inc/crc_handler.h
2019-11-09 09:25:25 +01:00

53 lines
1.5 KiB
C

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