git subrepo clone git@git.pcmuhely.hu:compi/f4ll_c.git components/f4ll_c
subrepo: subdir: "components/f4ll_c" merged: "7570c78" upstream: origin: "git@git.pcmuhely.hu:compi/f4ll_c.git" branch: "master" commit: "7570c78" git-subrepo: version: "0.4.0" origin: "https://github.com/ingydotnet/git-subrepo" commit: "5d6aba9"
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78
components/f4ll_c/dmahelper.c
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78
components/f4ll_c/dmahelper.c
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/*
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* dma_helper.c
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*
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* Created on: Sep 18, 2019
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* Author: abody
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*/
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#include <f4ll_c/dmahelper.h>
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volatile uint32_t* Dma_GetIsReg(DMA_TypeDef *dma, uint32_t stream)
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{
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if(dma == DMA1)
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return (stream < LL_DMA_STREAM_4) ? &DMA1->LISR : &DMA1->HISR;
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else
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return (stream < LL_DMA_STREAM_4) ? &DMA2->LISR : &DMA2->HISR;
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}
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volatile uint32_t* Dma_GetIfcReg(DMA_TypeDef *dma, uint32_t stream)
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{
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if(dma == DMA1)
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return (stream < LL_DMA_STREAM_4) ? &DMA1->LIFCR : &DMA1->HIFCR;
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else
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return (stream < LL_DMA_STREAM_4) ? &DMA2->LIFCR : &DMA2->HIFCR;
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}
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uint32_t Dma_GetFeMask(uint32_t stream)
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{
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static const uint32_t feMasks[8] = {
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DMA_LISR_FEIF0, DMA_LISR_FEIF1, DMA_LISR_FEIF2, DMA_LISR_FEIF3, DMA_HISR_FEIF4, DMA_HISR_FEIF5, DMA_HISR_FEIF6, DMA_HISR_FEIF7
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};
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return feMasks[stream];
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}
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uint32_t Dma_GetDmeMask(uint32_t stream)
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{
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static const uint32_t dmeMasks[8] = {
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DMA_LISR_DMEIF0, DMA_LISR_DMEIF1, DMA_LISR_DMEIF2, DMA_LISR_DMEIF3, DMA_HISR_DMEIF4, DMA_HISR_DMEIF5, DMA_HISR_DMEIF6, DMA_HISR_DMEIF7
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};
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return dmeMasks[stream];
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}
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uint32_t Dma_GetTeMask(uint32_t stream)
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{
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static const uint32_t teMasks[8] = {
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DMA_LISR_TEIF0, DMA_LISR_TEIF1, DMA_LISR_TEIF2, DMA_LISR_TEIF3, DMA_HISR_TEIF4, DMA_HISR_TEIF5, DMA_HISR_TEIF6, DMA_HISR_TEIF7
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};
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return teMasks[stream];
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}
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uint32_t Dma_GetHtMask(uint32_t stream)
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{
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static const uint32_t htMasks[8] = {
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DMA_LISR_HTIF0, DMA_LISR_HTIF1, DMA_LISR_HTIF2, DMA_LISR_HTIF3, DMA_HISR_HTIF4, DMA_HISR_HTIF5, DMA_HISR_HTIF6, DMA_HISR_HTIF7
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};
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return htMasks[stream];
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}
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uint32_t Dma_GetTcMask(uint32_t stream)
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{
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static const uint32_t tcMasks[8] = {
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DMA_LISR_TCIF0, DMA_LISR_TCIF1, DMA_LISR_TCIF2, DMA_LISR_TCIF3, DMA_HISR_TCIF4, DMA_HISR_TCIF5, DMA_HISR_TCIF6, DMA_HISR_TCIF7
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};
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return tcMasks[stream];
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}
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void Dma_Init(DMAINFO *info, DMA_TypeDef *dma, uint32_t stream)
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{
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info->dma = dma;
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info->stream = stream;
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info->isReg = Dma_GetIsReg(dma, stream);
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info->ifcReg = Dma_GetIfcReg(dma, stream);
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info->feMask = Dma_GetFeMask(stream);
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info->dmeMask = Dma_GetDmeMask(stream);
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info->teMask = Dma_GetTeMask(stream);
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info->htMask = Dma_GetHtMask(stream);
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info->tcMask = Dma_GetTcMask(stream);
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}
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