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This commit is contained in:
Attila Body 2019-09-29 17:51:32 +02:00
parent 7a74273ca7
commit 2aa08f20a0
118 changed files with 119250 additions and 34 deletions
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78
lib/dma_helper.c Normal file
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/*
* dma_helper.c
*
* Created on: Sep 18, 2019
* Author: abody
*/
#include "dma_helper.h"
volatile uint32_t* GetIsReg(DMA_TypeDef *dma, uint32_t stream)
{
if(dma == DMA1)
return (stream < LL_DMA_STREAM_4) ? &DMA1->LISR : &DMA1->HISR;
else
return (stream < LL_DMA_STREAM_4) ? &DMA2->LISR : &DMA2->HISR;
}
volatile uint32_t* GetIcfReg(DMA_TypeDef *dma, uint32_t stream)
{
if(dma == DMA1)
return (stream < LL_DMA_STREAM_4) ? &DMA1->LIFCR : &DMA1->HIFCR;
else
return (stream < LL_DMA_STREAM_4) ? &DMA2->LIFCR : &DMA2->HIFCR;
}
uint32_t GetFeMask(uint32_t stream)
{
static const uint32_t masks[8] = {
DMA_LISR_FEIF0, DMA_LISR_FEIF1, DMA_LISR_FEIF2, DMA_LISR_FEIF3, DMA_HISR_FEIF4, DMA_HISR_FEIF5, DMA_HISR_FEIF6, DMA_HISR_FEIF7
};
return masks[stream];
}
uint32_t GetDmeMask(uint32_t stream)
{
static const uint32_t teMasks[8] = {
DMA_LISR_DMEIF0, DMA_LISR_DMEIF1, DMA_LISR_DMEIF2, DMA_LISR_DMEIF3, DMA_HISR_DMEIF4, DMA_HISR_DMEIF5, DMA_HISR_DMEIF6, DMA_HISR_DMEIF7
};
return teMasks[stream];
}
uint32_t GetTeMask(uint32_t stream)
{
static const uint32_t teMasks[8] = {
DMA_LISR_TEIF0, DMA_LISR_TEIF1, DMA_LISR_TEIF2, DMA_LISR_TEIF3, DMA_HISR_TEIF4, DMA_HISR_TEIF5, DMA_HISR_TEIF6, DMA_HISR_TEIF7
};
return teMasks[stream];
}
uint32_t GetHtMask(uint32_t stream)
{
static const uint32_t teMasks[8] = {
DMA_LISR_HTIF0, DMA_LISR_HTIF1, DMA_LISR_HTIF2, DMA_LISR_HTIF3, DMA_HISR_HTIF4, DMA_HISR_HTIF5, DMA_HISR_HTIF6, DMA_HISR_HTIF7
};
return teMasks[stream];
}
uint32_t GetTcMask(uint32_t stream)
{
static const uint32_t tcMasks[8] = {
DMA_LISR_TCIF0, DMA_LISR_TCIF1, DMA_LISR_TCIF2, DMA_LISR_TCIF3, DMA_HISR_TCIF4, DMA_HISR_TCIF5, DMA_HISR_TCIF6, DMA_HISR_TCIF7
};
return tcMasks[stream];
}
void InitDmaInfo(DMAINFO *info, DMA_TypeDef *dma, uint32_t stream)
{
info->dma = dma;
info->stream = stream;
info->isReg = GetIsReg(dma, stream);
info->ifcReg = GetIcfReg(dma, stream);
info->feMask = GetFeMask(stream);
info->dmeMask = GetDmeMask(stream);
info->teMask = GetTeMask(stream);
info->htMask = GetHtMask(stream);
info->tcMask = GetTcMask(stream);
}