/**
* @brief Initialize DMA2D registers according to the specified parameters in DMA2D_InitStruct.
* @note DMA2D transfers must be disabled to set initialization bits in configuration registers,
* otherwise ERROR result is returned.
* @param DMA2Dx DMA2D Instance
* @param DMA2D_InitStruct: pointer to a LL_DMA2D_InitTypeDef structure
* that contains the configuration information for the specified DMA2D peripheral.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: DMA2D registers are initialized according to DMA2D_InitStruct content
* - ERROR: Issue occurred during DMA2D registers initialization
*/
ErrorStatus LL_DMA2D_Init(DMA2D_TypeDef *DMA2Dx, LL_DMA2D_InitTypeDef *DMA2D_InitStruct)
{
ErrorStatus status = ERROR;
LL_DMA2D_ColorTypeDef DMA2D_ColorStruct;
uint32_t tmp = 0U, tmp1 = 0U, tmp2 = 0U;
/* Check the parameters */
assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));
assert_param(IS_LL_DMA2D_MODE(DMA2D_InitStruct->Mode));
assert_param(IS_LL_DMA2D_OCMODE(DMA2D_InitStruct->ColorMode));
assert_param(IS_LL_DMA2D_LINE(DMA2D_InitStruct->NbrOfLines));
assert_param(IS_LL_DMA2D_PIXEL(DMA2D_InitStruct->NbrOfPixelsPerLines));
assert_param(IS_LL_DMA2D_GREEN(DMA2D_InitStruct->OutputGreen));
assert_param(IS_LL_DMA2D_RED(DMA2D_InitStruct->OutputRed));
assert_param(IS_LL_DMA2D_BLUE(DMA2D_InitStruct->OutputBlue));
assert_param(IS_LL_DMA2D_ALPHA(DMA2D_InitStruct->OutputAlpha));
assert_param(IS_LL_DMA2D_OFFSET(DMA2D_InitStruct->LineOffset));
assert_param(IS_LL_DMA2D_ALPHAINV(DMA2D_InitStruct->AlphaInversionMode));
assert_param(IS_LL_DMA2D_RBSWAP(DMA2D_InitStruct->RBSwapMode));
/* DMA2D transfers must be disabled to configure bits in initialization registers */
tmp = LL_DMA2D_IsTransferOngoing(DMA2Dx);
tmp1 = LL_DMA2D_FGND_IsEnabledCLUTLoad(DMA2Dx);
tmp2 = LL_DMA2D_BGND_IsEnabledCLUTLoad(DMA2Dx);
if ((tmp == 0U) && (tmp1 == 0U) && (tmp2 == 0U))
{
/* DMA2D CR register configuration -------------------------------------------*/
LL_DMA2D_SetMode(DMA2Dx, DMA2D_InitStruct->Mode);
/* DMA2D OPFCCR register configuration ---------------------------------------*/
MODIFY_REG(DMA2Dx->OPFCCR, (DMA2D_OPFCCR_CM | DMA2D_OPFCCR_RBS | DMA2D_OPFCCR_AI), \
(DMA2D_InitStruct->ColorMode | DMA2D_InitStruct->AlphaInversionMode | DMA2D_InitStruct->RBSwapMode));
/* DMA2D OOR register configuration ------------------------------------------*/
LL_DMA2D_SetLineOffset(DMA2Dx, DMA2D_InitStruct->LineOffset);
/* DMA2D NLR register configuration ------------------------------------------*/
LL_DMA2D_ConfigSize(DMA2Dx, DMA2D_InitStruct->NbrOfLines, DMA2D_InitStruct->NbrOfPixelsPerLines);
/* DMA2D OMAR register configuration ------------------------------------------*/
LL_DMA2D_SetOutputMemAddr(DMA2Dx, DMA2D_InitStruct->OutputMemoryAddress);
/* DMA2D OCOLR register configuration ------------------------------------------*/
DMA2D_ColorStruct.ColorMode = DMA2D_InitStruct->ColorMode;
DMA2D_ColorStruct.OutputBlue = DMA2D_InitStruct->OutputBlue;
DMA2D_ColorStruct.OutputGreen = DMA2D_InitStruct->OutputGreen;
DMA2D_ColorStruct.OutputRed = DMA2D_InitStruct->OutputRed;
DMA2D_ColorStruct.OutputAlpha = DMA2D_InitStruct->OutputAlpha;
LL_DMA2D_ConfigOutputColor(DMA2Dx, &DMA2D_ColorStruct);
status = SUCCESS;
}
/* If DMA2D transfers are not disabled, return ERROR */
return (status);
}
/**
* @brief Initialize DMA2D output color register according to the specified parameters
* in DMA2D_ColorStruct.
* @param DMA2Dx DMA2D Instance
* @param DMA2D_ColorStruct: pointer to a LL_DMA2D_ColorTypeDef structure that contains
* the color configuration information for the specified DMA2D peripheral.
* @retval None
*/
void LL_DMA2D_ConfigOutputColor(DMA2D_TypeDef *DMA2Dx, LL_DMA2D_ColorTypeDef *DMA2D_ColorStruct)
{
uint32_t outgreen = 0U;
uint32_t outred = 0U;
uint32_t outalpha = 0U;
/* Check the parameters */
assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));
assert_param(IS_LL_DMA2D_OCMODE(DMA2D_ColorStruct->ColorMode));
assert_param(IS_LL_DMA2D_GREEN(DMA2D_ColorStruct->OutputGreen));
assert_param(IS_LL_DMA2D_RED(DMA2D_ColorStruct->OutputRed));
assert_param(IS_LL_DMA2D_BLUE(DMA2D_ColorStruct->OutputBlue));
assert_param(IS_LL_DMA2D_ALPHA(DMA2D_ColorStruct->OutputAlpha));
/* DMA2D OCOLR register configuration ------------------------------------------*/
if (DMA2D_ColorStruct->ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB8888)
{
outgreen = DMA2D_ColorStruct->OutputGreen << 8U;
outred = DMA2D_ColorStruct->OutputRed << 16U;
outalpha = DMA2D_ColorStruct->OutputAlpha << 24U;
}
else if (DMA2D_ColorStruct->ColorMode == LL_DMA2D_OUTPUT_MODE_RGB888)
{
outgreen = DMA2D_ColorStruct->OutputGreen << 8U;
outred = DMA2D_ColorStruct->OutputRed << 16U;
outalpha = 0x00000000U;
}
else if (DMA2D_ColorStruct->ColorMode == LL_DMA2D_OUTPUT_MODE_RGB565)
{
outgreen = DMA2D_ColorStruct->OutputGreen << 5U;
outred = DMA2D_ColorStruct->OutputRed << 11U;
outalpha = 0x00000000U;
}
else if (DMA2D_ColorStruct->ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB1555)
{
outgreen = DMA2D_ColorStruct->OutputGreen << 5U;
outred = DMA2D_ColorStruct->OutputRed << 10U;
outalpha = DMA2D_ColorStruct->OutputAlpha << 15U;
}
else /* ColorMode = LL_DMA2D_OUTPUT_MODE_ARGB4444 */
{
outgreen = DMA2D_ColorStruct->OutputGreen << 4U;
outred = DMA2D_ColorStruct->OutputRed << 8U;
outalpha = DMA2D_ColorStruct->OutputAlpha << 12U;
}
LL_DMA2D_SetOutputColor(DMA2Dx, (outgreen | outred | DMA2D_ColorStruct->OutputBlue | outalpha));
}
/**
* @brief Configure the foreground or background according to the specified parameters
* in the LL_DMA2D_LayerCfgTypeDef structure.
* @param DMA2Dx DMA2D Instance
* @param DMA2D_LayerCfg: pointer to a LL_DMA2D_LayerCfgTypeDef structure that contains
* the configuration information for the specified layer.
* @param LayerIdx: DMA2D Layer index.
* This parameter can be one of the following values:
* 0(background) / 1(foreground)
* @retval None
*/
void LL_DMA2D_ConfigLayer(DMA2D_TypeDef *DMA2Dx, LL_DMA2D_LayerCfgTypeDef *DMA2D_LayerCfg, uint32_t LayerIdx)
{
/* Check the parameters */
assert_param(IS_LL_DMA2D_OFFSET(DMA2D_LayerCfg->LineOffset));
assert_param(IS_LL_DMA2D_LCMODE(DMA2D_LayerCfg->ColorMode));
assert_param(IS_LL_DMA2D_CLUTCMODE(DMA2D_LayerCfg->CLUTColorMode));
assert_param(IS_LL_DMA2D_CLUTSIZE(DMA2D_LayerCfg->CLUTSize));
assert_param(IS_LL_DMA2D_ALPHAMODE(DMA2D_LayerCfg->AlphaMode));
assert_param(IS_LL_DMA2D_GREEN(DMA2D_LayerCfg->Green));
assert_param(IS_LL_DMA2D_RED(DMA2D_LayerCfg->Red));
assert_param(IS_LL_DMA2D_BLUE(DMA2D_LayerCfg->Blue));
assert_param(IS_LL_DMA2D_ALPHA(DMA2D_LayerCfg->Alpha));
#if defined(DMA2D_ALPHA_INV_RB_SWAP_SUPPORT)
assert_param(IS_LL_DMA2D_ALPHAINV(DMA2D_LayerCfg->AlphaInversionMode));
assert_param(IS_LL_DMA2D_RBSWAP(DMA2D_LayerCfg->RBSwapMode));
#endif /* DMA2D_ALPHA_INV_RB_SWAP_SUPPORT */
if (LayerIdx == 0U)
{
/* Configure the background memory address */
LL_DMA2D_BGND_SetMemAddr(DMA2Dx, DMA2D_LayerCfg->MemoryAddress);
/* Configure the background line offset */
LL_DMA2D_BGND_SetLineOffset(DMA2Dx, DMA2D_LayerCfg->LineOffset);
#if defined(DMA2D_ALPHA_INV_RB_SWAP_SUPPORT)
/* Configure the background Alpha value, Alpha mode, RB swap, Alpha inversion
CLUT size, CLUT Color mode and Color mode */
MODIFY_REG(DMA2Dx->BGPFCCR, \
(DMA2D_BGPFCCR_ALPHA | DMA2D_BGPFCCR_RBS | DMA2D_BGPFCCR_AI | DMA2D_BGPFCCR_AM | \
DMA2D_BGPFCCR_CS | DMA2D_BGPFCCR_CCM | DMA2D_BGPFCCR_CM), \
((DMA2D_LayerCfg->Alpha << DMA2D_BGPFCCR_ALPHA_Pos) | DMA2D_LayerCfg->RBSwapMode | \
DMA2D_LayerCfg->AlphaInversionMode | DMA2D_LayerCfg->AlphaMode | \
(DMA2D_LayerCfg->CLUTSize << DMA2D_BGPFCCR_CS_Pos) | DMA2D_LayerCfg->CLUTColorMode | \
DMA2D_LayerCfg->ColorMode));
#else
/* Configure the background Alpha value, Alpha mode, CLUT size, CLUT Color mode and Color mode */
MODIFY_REG(DMA2Dx->BGPFCCR, \
(DMA2D_BGPFCCR_ALPHA | DMA2D_BGPFCCR_AM | DMA2D_BGPFCCR_CS | DMA2D_BGPFCCR_CCM | DMA2D_BGPFCCR_CM), \
((DMA2D_LayerCfg->Alpha << DMA2D_BGPFCCR_ALPHA_Pos) | DMA2D_LayerCfg->AlphaMode | \
(DMA2D_LayerCfg->CLUTSize << DMA2D_BGPFCCR_CS_Pos) | DMA2D_LayerCfg->CLUTColorMode | \
DMA2D_LayerCfg->ColorMode));
#endif /* DMA2D_ALPHA_INV_RB_SWAP_SUPPORT */
/* Configure the background color */
LL_DMA2D_BGND_SetColor(DMA2Dx, DMA2D_LayerCfg->Red, DMA2D_LayerCfg->Green, DMA2D_LayerCfg->Blue);
/* Configure the background CLUT memory address */
LL_DMA2D_BGND_SetCLUTMemAddr(DMA2Dx, DMA2D_LayerCfg->CLUTMemoryAddress);
}
else
{
/* Configure the foreground memory address */
LL_DMA2D_FGND_SetMemAddr(DMA2Dx, DMA2D_LayerCfg->MemoryAddress);
/* Configure the foreground line offset */
LL_DMA2D_FGND_SetLineOffset(DMA2Dx, DMA2D_LayerCfg->LineOffset);
#if defined(DMA2D_ALPHA_INV_RB_SWAP_SUPPORT)
/* Configure the foreground Alpha value, Alpha mode, RB swap, Alpha inversion
CLUT size, CLUT Color mode and Color mode */
MODIFY_REG(DMA2Dx->FGPFCCR, \
(DMA2D_FGPFCCR_ALPHA | DMA2D_FGPFCCR_RBS | DMA2D_FGPFCCR_AI | DMA2D_FGPFCCR_AM | \
DMA2D_FGPFCCR_CS | DMA2D_FGPFCCR_CCM | DMA2D_FGPFCCR_CM), \
((DMA2D_LayerCfg->Alpha << DMA2D_FGPFCCR_ALPHA_Pos) | DMA2D_LayerCfg->RBSwapMode | \
DMA2D_LayerCfg->AlphaInversionMode | DMA2D_LayerCfg->AlphaMode | \
(DMA2D_LayerCfg->CLUTSize << DMA2D_FGPFCCR_CS_Pos) | DMA2D_LayerCfg->CLUTColorMode | \
DMA2D_LayerCfg->ColorMode));
#else
/* Configure the foreground Alpha value, Alpha mode, CLUT size, CLUT Color mode and Color mode */
MODIFY_REG(DMA2Dx->FGPFCCR, \
(DMA2D_FGPFCCR_ALPHA | DMA2D_FGPFCCR_AM | DMA2D_FGPFCCR_CS | DMA2D_FGPFCCR_CCM | DMA2D_FGPFCCR_CM), \
((DMA2D_LayerCfg->Alpha << DMA2D_FGPFCCR_ALPHA_Pos) | DMA2D_LayerCfg->AlphaMode | \
(DMA2D_LayerCfg->CLUTSize << DMA2D_FGPFCCR_CS_Pos) | DMA2D_LayerCfg->CLUTColorMode | \
DMA2D_LayerCfg->ColorMode));
#endif /* DMA2D_ALPHA_INV_RB_SWAP_SUPPORT */
/* Configure the foreground color */
LL_DMA2D_FGND_SetColor(DMA2Dx, DMA2D_LayerCfg->Red, DMA2D_LayerCfg->Green, DMA2D_LayerCfg->Blue);
/* Configure the foreground CLUT memory address */
LL_DMA2D_FGND_SetCLUTMemAddr(DMA2Dx, DMA2D_LayerCfg->CLUTMemoryAddress);
}
}
