Attila BODY
357b30b344
subrepo: subdir: "components/f4ll_c" merged: "4754b65" upstream: origin: "git@git.pcmuhely.hu:compi/f4ll_c.git" branch: "master" commit: "4754b65" git-subrepo: version: "0.4.0" origin: "https://github.com/ingydotnet/git-subrepo" commit: "5d6aba9"
76 lines
2.2 KiB
C
76 lines
2.2 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 <platform/crc_ll.h>
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#include <f4ll_c/dmahelper.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct crcslottask_t {
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void * volatile 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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};
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struct crcslotlistitem_t {
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uint16_t count;
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struct crcslotlistitem_t *next;
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struct crcslottask_t *tasks;
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};
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struct crcstatus_t {
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CRC_TypeDef *crcUnit;
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struct dmainfo_t dmaInfo;
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struct crcslotlistitem_t *activeSlot;
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uint8_t activeTask;
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struct crcslotlistitem_t *firstSlot;
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};
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void Crc_InitStatus(struct crcstatus_t *status, CRC_TypeDef *crcUnit, DMA_TypeDef *dma, uint32_t stream);
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uint8_t Crc_GetActiveTask(struct crcslotlistitem_t **slot_out, struct crcstatus_t volatile *status);
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static inline uint8_t Crc_IsSlotQueued(struct crcslotlistitem_t *slot, uint8_t task) {
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return ((struct crcslottask_t volatile)slot->tasks[task]).address != NULL;
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}
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static inline uint8_t Crc_IsSlotBusy(struct crcslotlistitem_t *slot, uint8_t task) {
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struct crcslottask_t volatile *taskPtr = &slot->tasks[task];
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return taskPtr->callback != NULL || taskPtr->callbackParam != NULL;
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}
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static inline void Crc_WaitResults(struct crcstatus_t *status, struct crcslotlistitem_t *slot, uint8_t task) {
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while(Crc_IsSlotBusy(slot, task));
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}
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void Crc_AttachTask(struct crcstatus_t *status, struct crcslotlistitem_t *slot, struct crcslottask_t *tasks, uint8_t taskCount);
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uint8_t Crc_Enqueue(struct crcstatus_t *status, struct crcslotlistitem_t *slot, uint8_t task,
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uint8_t *address, uint16_t len, void (*callback)(void*, uint32_t, uint8_t), void* callbackParam);
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uint32_t Crc_Compute(struct crcstatus_t *status, struct crcslotlistitem_t *slot, uint8_t task, uint8_t *address, uint16_t len);
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void Crc_ComputeAsync(struct crcstatus_t *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 Crc_HandleDmaIrq(struct crcstatus_t *status);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CRC_HANDLER_H_ */
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