playground-stm32/f407ve_freertos
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Kinda works

Browse source
This commit is contained in:
Attila Body 2021-10-31 00:33:00 +02:00
parent f3d345e2e3
commit 662a7a9b12
40 changed files with 2851 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

72
components/f4ll_cpp/crcscheduler.h Normal file
View file

@ -0,0 +1,72 @@
/*
* 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 <platform/crc_ll.h>
#include <f4ll_cpp/dmahelper.h>
namespace f4ll_cpp
{
class CrcScheduler {
public:
struct ICrcCallback {
virtual void CrcCalculationCompleted(void*, uint32_t, uint8_t) = 0;
};
struct crctask_t {
void * volatile address;
uint16_t wordCount;
ICrcCallback* callback;
void *callbackParam;
};
struct crcslot_t {
uint16_t count;
struct crcslot_t *next;
struct crctask_t *tasks;
};
CrcScheduler(CRC_TypeDef *crcUnit, DMA_TypeDef *dma, uint32_t stream);
uint8_t GetActiveTask(struct crcslot_t **slot_out);
bool IsTaskQueued(struct crcslot_t *slot, uint8_t task);
bool IsTaskBusy(struct crcslot_t *slot, uint8_t task);
void WaitResults(struct crcslot_t *slot, uint8_t task);
void AttachTasks(struct crcslot_t *slot, struct crctask_t *tasks, uint8_t taskCount);
uint8_t Enqueue(struct crcslot_t *slot, uint8_t task, void *address, uint16_t len,
ICrcCallback* callback, void* callbackParam);
uint32_t Compute(struct crcslot_t *slot, uint8_t task, void *address, uint16_t len);
static void HandleDmaIrq(void *param) { reinterpret_cast<CrcScheduler*>(param)->_HandleDmaIrq(); }
void _HandleDmaIrq();
private:
void StartNextTask();
CRC_TypeDef *m_crcUnit;
DmaHelper m_dma;
volatile crcslot_t *m_activeSlot;
volatile uint8_t m_activeTask;
crcslot_t *m_firstSlot;
};
} // f4ll_cpp
#endif /* CRC_HANDLER_H_ */