/*
 * dma_helper.c
 *
 *  Created on: Sep 18, 2019
 *      Author: abody
 */
#include <f4ll_cpp/dmahelper.h>
#ifndef MOCKABLE
#define MOCKABLE(x) x
#endif

namespace f4ll_cpp
{

DmaHelper::DmaHelper(DMA_TypeDef *dma, uint32_t stream)
{
	m_dma = dma;
	m_stream = stream;
	m_isReg = _GetIsReg(dma, stream);
	m_ifcReg = _GetIfcReg(dma, stream);
	m_feMask = _GetFeMask(stream);
	m_dmeMask = _GetDmeMask(stream);
	m_teMask = _GetTeMask(stream);
	m_htMask = _GetHtMask(stream);
	m_tcMask = _GetTcMask(stream);
}

volatile uint32_t* DmaHelper::_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* DmaHelper::_GetIfcReg(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 DmaHelper::_GetFeMask(uint32_t stream)
{
	static const uint32_t feMasks[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 feMasks[stream];
}

uint32_t DmaHelper::_GetDmeMask(uint32_t stream)
{
	static const uint32_t dmeMasks[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 dmeMasks[stream];
}

uint32_t DmaHelper::_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 DmaHelper::_GetHtMask(uint32_t stream)
{
	static const uint32_t htMasks[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 htMasks[stream];
}

uint32_t DmaHelper::_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];
}

}	//	f4ll_cpp