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/**
******************************************************************************
* This file is part of the TouchGFX 4.10.0 distribution.
*
* @attention
*
* Copyright (c) 2018 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
#include <touchgfx/hal/OSWrappers.hpp>
#include <touchgfx/hal/HAL.hpp>
#include <touchgfx/lcd/LCD.hpp>
#include <cassert>
#include <STM32F4DMA.hpp>
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_dma2d.h"
static HAL_StatusTypeDef HAL_DMA2D_SetMode(DMA2D_HandleTypeDef *hdma2d, uint32_t mode, uint32_t color, uint32_t offset)
{
assert_param(IS_DMA2D_ALL_INSTANCE(hdma2d->Instance));
MODIFY_REG(hdma2d->Instance->CR, DMA2D_CR_MODE, mode);
MODIFY_REG(hdma2d->Instance->OPFCCR, DMA2D_OPFCCR_CM, color);
MODIFY_REG(hdma2d->Instance->OOR, DMA2D_OOR_LO, offset);
return HAL_OK;
}
extern "C" {
extern DMA2D_HandleTypeDef hdma2d;
static void DMA2D_XferCpltCallback(DMA2D_HandleTypeDef* handle)
{
touchgfx::HAL::getInstance()->signalDMAInterrupt();
}
static void DMA2D_XferErrorCallback(DMA2D_HandleTypeDef* handle)
{
//assert(0);
}
}
STM32F4DMA::STM32F4DMA()
: DMA_Interface(dma_queue), dma_queue(queue_storage, sizeof(queue_storage) / sizeof(queue_storage[0]))
{}
STM32F4DMA::~STM32F4DMA()
{
HAL_DMA2D_DeInit(&hdma2d);
NVIC_DisableIRQ(DMA2D_IRQn);
}
void STM32F4DMA::initialize()
{
hdma2d.Instance = DMA2D;
HAL_DMA2D_Init(&hdma2d);
hdma2d.XferCpltCallback = DMA2D_XferCpltCallback;
hdma2d.XferErrorCallback = DMA2D_XferErrorCallback;
NVIC_EnableIRQ(DMA2D_IRQn);
}
volatile bool disableChromArt = false;
BlitOperations STM32F4DMA::getBlitCaps()
{
if (disableChromArt)
{
return static_cast<BlitOperations>(0);
}
else
{
return static_cast<BlitOperations>(BLIT_OP_FILL
| BLIT_OP_FILL_WITH_ALPHA
| BLIT_OP_COPY
| BLIT_OP_COPY_WITH_ALPHA
| BLIT_OP_COPY_ARGB8888
| BLIT_OP_COPY_ARGB8888_WITH_ALPHA
| BLIT_OP_COPY_A4
| BLIT_OP_COPY_A8);
}
}
void STM32F4DMA::setupDataCopy(const BlitOp& blitOp)
{
uint32_t dma2dTransferMode = DMA2D_M2M_BLEND;
uint32_t dma2dColorMode = 0;
bool blendingImage = (blitOp.operation == BLIT_OP_COPY_ARGB8888
|| blitOp.operation == BLIT_OP_COPY_ARGB8888_WITH_ALPHA
|| blitOp.operation == BLIT_OP_COPY_WITH_ALPHA);
bool blendingText = (blitOp.operation == BLIT_OP_COPY_A4
|| blitOp.operation == BLIT_OP_COPY_A8);
uint8_t bitDepth = HAL::lcd().bitDepth();
switch (blitOp.operation)
{
case BLIT_OP_COPY_A4:
dma2dColorMode = CM_A4;
break;
case BLIT_OP_COPY_A8:
dma2dColorMode = CM_A8;
break;
case BLIT_OP_COPY_WITH_ALPHA:
dma2dTransferMode = DMA2D_M2M_BLEND;
dma2dColorMode = (bitDepth == 16) ? CM_RGB565 : CM_RGB888;
break;
case BLIT_OP_COPY_ARGB8888:
case BLIT_OP_COPY_ARGB8888_WITH_ALPHA:
dma2dColorMode = CM_ARGB8888;
break;
default:
dma2dTransferMode = DMA2D_M2M;
dma2dColorMode = (bitDepth == 16) ? CM_RGB565 : CM_RGB888;
break;
}
/* HAL_DMA2D_ConfigLayer() depends on hdma2d.Init! */
hdma2d.Init.Mode = dma2dTransferMode;
hdma2d.Init.ColorMode = (bitDepth == 16) ? DMA2D_RGB565 : DMA2D_RGB888;
hdma2d.Init.OutputOffset = blitOp.dstLoopStride - blitOp.nSteps;
HAL_DMA2D_SetMode(&hdma2d, dma2dTransferMode,
(bitDepth == 16) ? DMA2D_RGB565 : DMA2D_RGB888,
blitOp.dstLoopStride - blitOp.nSteps);
hdma2d.LayerCfg[1].InputColorMode = dma2dColorMode;
hdma2d.LayerCfg[1].InputOffset = blitOp.srcLoopStride - blitOp.nSteps;
if (blendingImage || blendingText)
{
if (blitOp.alpha < 255)
{
hdma2d.LayerCfg[1].AlphaMode = DMA2D_COMBINE_ALPHA;
hdma2d.LayerCfg[1].InputAlpha = blitOp.alpha;
}
else
{
hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
}
if (blendingText)
{
if (bitDepth == 16)
{
uint32_t red = (((blitOp.color & 0xF800) >> 11) * 255) / 31;
uint32_t green = (((blitOp.color & 0x7E0) >> 5) * 255) / 63;
uint32_t blue = (((blitOp.color & 0x1F)) * 255) / 31;
uint32_t alpha = blitOp.alpha;
hdma2d.LayerCfg[1].InputAlpha = (alpha << 24) | (red << 16) | (green << 8) | blue;
}
else
{
hdma2d.LayerCfg[1].InputAlpha = blitOp.color.getColor32() | (blitOp.alpha << 24);
}
}
hdma2d.LayerCfg[0].InputOffset = blitOp.dstLoopStride - blitOp.nSteps;
hdma2d.LayerCfg[0].InputColorMode = (bitDepth == 16) ? CM_RGB565 : CM_RGB888;
HAL_DMA2D_ConfigLayer(&hdma2d, 0);
}
HAL_DMA2D_ConfigLayer(&hdma2d, 1);
if (blendingImage || blendingText)
{
HAL_DMA2D_BlendingStart_IT(&hdma2d,
(unsigned int)blitOp.pSrc,
(unsigned int)blitOp.pDst,
(unsigned int)blitOp.pDst,
blitOp.nSteps, blitOp.nLoops);
}
else
{
HAL_DMA2D_Start_IT(&hdma2d,
(unsigned int)blitOp.pSrc,
(unsigned int)blitOp.pDst,
blitOp.nSteps, blitOp.nLoops);
}
}
void STM32F4DMA::setupDataFill(const BlitOp& blitOp)
{
uint8_t bitDepth = HAL::lcd().bitDepth();
uint32_t dma2dTransferMode;
uint32_t dma2dColorMode = (bitDepth == 16) ? CM_RGB565 : CM_RGB888;
uint32_t color = 0;
if (bitDepth == 16)
{
uint32_t red = (((blitOp.color & 0xF800) >> 11) * 255) / 31;
uint32_t green = (((blitOp.color & 0x7E0) >> 5) * 255) / 63;
uint32_t blue = (((blitOp.color & 0x1F)) * 255) / 31;
uint32_t alpha = blitOp.alpha;
color = (alpha << 24) | (red << 16) | (green << 8) | blue;
}
else
{
color = (blitOp.alpha << 24) | blitOp.color.getColor32();
}
switch (blitOp.operation)
{
case BLIT_OP_FILL_WITH_ALPHA:
dma2dTransferMode = DMA2D_M2M_BLEND;
break;
default:
dma2dTransferMode = DMA2D_R2M;
break;
};
/* HAL_DMA2D_ConfigLayer() depends on hdma2d.Init! */
hdma2d.Init.Mode = dma2dTransferMode;
hdma2d.Init.ColorMode = (bitDepth == 16) ? DMA2D_RGB565 : DMA2D_RGB888;
hdma2d.Init.OutputOffset = blitOp.dstLoopStride - blitOp.nSteps;
HAL_DMA2D_SetMode(&hdma2d, dma2dTransferMode,
(bitDepth == 16) ? DMA2D_RGB565 : DMA2D_RGB888,
blitOp.dstLoopStride - blitOp.nSteps);
if (dma2dTransferMode == DMA2D_M2M_BLEND) {
hdma2d.LayerCfg[1].AlphaMode = DMA2D_REPLACE_ALPHA;
hdma2d.LayerCfg[1].InputAlpha = color;
hdma2d.LayerCfg[1].InputColorMode = CM_A8;
hdma2d.LayerCfg[0].InputOffset = blitOp.dstLoopStride - blitOp.nSteps;
hdma2d.LayerCfg[0].InputColorMode = (bitDepth == 16) ? CM_RGB565 : CM_RGB888;
HAL_DMA2D_ConfigLayer(&hdma2d, 0);
} else {
hdma2d.LayerCfg[1].InputColorMode = dma2dColorMode;
hdma2d.LayerCfg[1].InputOffset = 0;
}
HAL_DMA2D_ConfigLayer(&hdma2d, 1);
if (dma2dTransferMode == DMA2D_M2M_BLEND)
HAL_DMA2D_BlendingStart_IT(&hdma2d,
(unsigned int)blitOp.pDst,
(unsigned int)blitOp.pDst,
(unsigned int)blitOp.pDst,
blitOp.nSteps, blitOp.nLoops);
else
HAL_DMA2D_Start_IT(&hdma2d, color, (unsigned int)blitOp.pDst,
blitOp.nSteps, blitOp.nLoops);
}