Initialization and De-initialization Functions

Functions
ErrorStatus	LL_DMA2D_DeInit (DMA2D_TypeDef *DMA2Dx)
	De-initialize DMA2D registers (registers restored to their default values). More...
ErrorStatus	LL_DMA2D_Init (DMA2D_TypeDef *DMA2Dx, LL_DMA2D_InitTypeDef *DMA2D_InitStruct)
	Initialize DMA2D registers according to the specified parameters in DMA2D_InitStruct. More...
void	LL_DMA2D_StructInit (LL_DMA2D_InitTypeDef *DMA2D_InitStruct)
	Set each LL_DMA2D_InitTypeDef field to default value. More...
void	LL_DMA2D_ConfigLayer (DMA2D_TypeDef *DMA2Dx, LL_DMA2D_LayerCfgTypeDef *DMA2D_LayerCfg, uint32_t LayerIdx)
	Configure the foreground or background according to the specified parameters in the LL_DMA2D_LayerCfgTypeDef structure. More...
void	LL_DMA2D_LayerCfgStructInit (LL_DMA2D_LayerCfgTypeDef *DMA2D_LayerCfg)
	Set each LL_DMA2D_LayerCfgTypeDef field to default value. More...
void	LL_DMA2D_ConfigOutputColor (DMA2D_TypeDef *DMA2Dx, LL_DMA2D_ColorTypeDef *DMA2D_ColorStruct)
	Initialize DMA2D output color register according to the specified parameters in DMA2D_ColorStruct. More...
uint32_t	LL_DMA2D_GetOutputBlueColor (DMA2D_TypeDef *DMA2Dx, uint32_t ColorMode)
	Return DMA2D output Blue color. More...
uint32_t	LL_DMA2D_GetOutputGreenColor (DMA2D_TypeDef *DMA2Dx, uint32_t ColorMode)
	Return DMA2D output Green color. More...
uint32_t	LL_DMA2D_GetOutputRedColor (DMA2D_TypeDef *DMA2Dx, uint32_t ColorMode)
	Return DMA2D output Red color. More...
uint32_t	LL_DMA2D_GetOutputAlphaColor (DMA2D_TypeDef *DMA2Dx, uint32_t ColorMode)
	Return DMA2D output Alpha color. More...
void	LL_DMA2D_ConfigSize (DMA2D_TypeDef *DMA2Dx, uint32_t NbrOfLines, uint32_t NbrOfPixelsPerLines)
	Configure DMA2D transfer size. More...

Detailed Description

Function Documentation

LL_DMA2D_ConfigLayer()

void LL_DMA2D_ConfigLayer	(	DMA2D_TypeDef *	DMA2Dx,
		LL_DMA2D_LayerCfgTypeDef *	DMA2D_LayerCfg,
		uint32_t	LayerIdx
	)

Configure the foreground or background according to the specified parameters in the LL_DMA2D_LayerCfgTypeDef structure.

Parameters

DMA2Dx	DMA2D Instance
DMA2D_LayerCfg	pointer to a LL_DMA2D_LayerCfgTypeDef structure that contains the configuration information for the specified layer.
LayerIdx	DMA2D Layer index. This parameter can be one of the following values: 0(background) / 1(foreground)

Return values

None

Definition at line 302 of file stm32l4xx_ll_dma2d.c.

{
  /* 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));
  assert_param(IS_LL_DMA2D_ALPHAINV(DMA2D_LayerCfg->AlphaInversionMode));
  assert_param(IS_LL_DMA2D_RBSWAP(DMA2D_LayerCfg->RBSwapMode));


  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);

    /* 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));

    /* 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);

    /* 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));

    /* 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);
  }
}

LL_DMA2D_ConfigOutputColor()

void LL_DMA2D_ConfigOutputColor	(	DMA2D_TypeDef *	DMA2Dx,
		LL_DMA2D_ColorTypeDef *	DMA2D_ColorStruct
	)

Initialize DMA2D output color register according to the specified parameters in DMA2D_ColorStruct.

Parameters

DMA2Dx	DMA2D Instance
DMA2D_ColorStruct	pointer to a LL_DMA2D_ColorTypeDef structure that contains the color configuration information for the specified DMA2D peripheral.

Return values

None

Definition at line 400 of file stm32l4xx_ll_dma2d.c.

{
  uint32_t outgreen;
  uint32_t outred;
  uint32_t outalpha;

  /* 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));
}

LL_DMA2D_ConfigSize()

void LL_DMA2D_ConfigSize	(	DMA2D_TypeDef *	DMA2Dx,
		uint32_t	NbrOfLines,
		uint32_t	NbrOfPixelsPerLines
	)

Configure DMA2D transfer size.

Parameters

DMA2Dx	DMA2D Instance
NbrOfLines	Value between Min_Data=0 and Max_Data=0xFFFF
NbrOfPixelsPerLines	Value between Min_Data=0 and Max_Data=0x3FFF

Return values

None

Definition at line 627 of file stm32l4xx_ll_dma2d.c.

{
  MODIFY_REG(DMA2Dx->NLR, (DMA2D_NLR_PL | DMA2D_NLR_NL), \
             ((NbrOfPixelsPerLines << DMA2D_NLR_PL_Pos) | NbrOfLines));
}

LL_DMA2D_DeInit()

ErrorStatus LL_DMA2D_DeInit

(

DMA2D_TypeDef *

DMA2Dx

)

De-initialize DMA2D registers (registers restored to their default values).

Parameters

DMA2Dx

DMA2D Instance

Return values

An	ErrorStatus enumeration value: SUCCESS: DMA2D registers are de-initialized ERROR: DMA2D registers are not de-initialized

Definition at line 148 of file stm32l4xx_ll_dma2d.c.

{
  ErrorStatus status = SUCCESS;

  /* Check the parameters */
  assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));

  if (DMA2Dx == DMA2D)
  {
    /* Force reset of DMA2D clock */
    LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA2D);

    /* Release reset of DMA2D clock */
    LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA2D);
  }
  else
  {
    status = ERROR;
  }

  return (status);
}

LL_DMA2D_GetOutputAlphaColor()

uint32_t LL_DMA2D_GetOutputAlphaColor	(	DMA2D_TypeDef *	DMA2Dx,
		uint32_t	ColorMode
	)

Return DMA2D output Alpha color.

Parameters

DMA2Dx	DMA2D Instance.
ColorMode	This parameter can be one of the following values: LL_DMA2D_OUTPUT_MODE_ARGB8888 LL_DMA2D_OUTPUT_MODE_RGB888 LL_DMA2D_OUTPUT_MODE_RGB565 LL_DMA2D_OUTPUT_MODE_ARGB1555 LL_DMA2D_OUTPUT_MODE_ARGB4444

Return values

Output

Alpha color value between Min_Data=0 and Max_Data=0xFF

Definition at line 591 of file stm32l4xx_ll_dma2d.c.

{
  uint32_t color;

  /* Check the parameters */
  assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));
  assert_param(IS_LL_DMA2D_OCMODE(ColorMode));

  /* DMA2D OCOLR register reading ------------------------------------------*/
  if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB8888)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFF000000U) >> 24U);
  }
  else if ((ColorMode == LL_DMA2D_OUTPUT_MODE_RGB888) || (ColorMode == LL_DMA2D_OUTPUT_MODE_RGB565))
  {
    color = 0x0U;
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB1555)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0x8000U) >> 15U);
  }
  else /* ColorMode = LL_DMA2D_OUTPUT_MODE_ARGB4444 */
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xF000U) >> 12U);
  }

  return color;
}

LL_DMA2D_GetOutputBlueColor()

uint32_t LL_DMA2D_GetOutputBlueColor	(	DMA2D_TypeDef *	DMA2Dx,
		uint32_t	ColorMode
	)

Return DMA2D output Blue color.

Parameters

DMA2Dx	DMA2D Instance.
ColorMode	This parameter can be one of the following values: LL_DMA2D_OUTPUT_MODE_ARGB8888 LL_DMA2D_OUTPUT_MODE_RGB888 LL_DMA2D_OUTPUT_MODE_RGB565 LL_DMA2D_OUTPUT_MODE_ARGB1555 LL_DMA2D_OUTPUT_MODE_ARGB4444

Return values

Output

Blue color value between Min_Data=0 and Max_Data=0xFF

Definition at line 459 of file stm32l4xx_ll_dma2d.c.

{
  uint32_t color;

  /* Check the parameters */
  assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));
  assert_param(IS_LL_DMA2D_OCMODE(ColorMode));

  /* DMA2D OCOLR register reading ------------------------------------------*/
  if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB8888)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFFU));
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_RGB888)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFFU));
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_RGB565)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0x1FU));
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB1555)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0x1FU));
  }
  else /* ColorMode = LL_DMA2D_OUTPUT_MODE_ARGB4444 */
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFU));
  }

  return color;
}

LL_DMA2D_GetOutputGreenColor()

uint32_t LL_DMA2D_GetOutputGreenColor	(	DMA2D_TypeDef *	DMA2Dx,
		uint32_t	ColorMode
	)

Return DMA2D output Green color.

Parameters

DMA2Dx	DMA2D Instance.
ColorMode	This parameter can be one of the following values: LL_DMA2D_OUTPUT_MODE_ARGB8888 LL_DMA2D_OUTPUT_MODE_RGB888 LL_DMA2D_OUTPUT_MODE_RGB565 LL_DMA2D_OUTPUT_MODE_ARGB1555 LL_DMA2D_OUTPUT_MODE_ARGB4444

Return values

Output

Green color value between Min_Data=0 and Max_Data=0xFF

Definition at line 503 of file stm32l4xx_ll_dma2d.c.

{
  uint32_t color;

  /* Check the parameters */
  assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));
  assert_param(IS_LL_DMA2D_OCMODE(ColorMode));

  /* DMA2D OCOLR register reading ------------------------------------------*/
  if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB8888)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFF00U) >> 8U);
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_RGB888)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFF00U) >> 8U);
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_RGB565)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0x7E0U) >> 5U);
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB1555)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0x3E0U) >> 5U);
  }
  else /* ColorMode = LL_DMA2D_OUTPUT_MODE_ARGB4444 */
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xF0U) >> 4U);
  }

  return color;
}

LL_DMA2D_GetOutputRedColor()

uint32_t LL_DMA2D_GetOutputRedColor	(	DMA2D_TypeDef *	DMA2Dx,
		uint32_t	ColorMode
	)

Return DMA2D output Red color.

Parameters

DMA2Dx	DMA2D Instance.
ColorMode	This parameter can be one of the following values: LL_DMA2D_OUTPUT_MODE_ARGB8888 LL_DMA2D_OUTPUT_MODE_RGB888 LL_DMA2D_OUTPUT_MODE_RGB565 LL_DMA2D_OUTPUT_MODE_ARGB1555 LL_DMA2D_OUTPUT_MODE_ARGB4444

Return values

Output

Red color value between Min_Data=0 and Max_Data=0xFF

Definition at line 547 of file stm32l4xx_ll_dma2d.c.

{
  uint32_t color;

  /* Check the parameters */
  assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));
  assert_param(IS_LL_DMA2D_OCMODE(ColorMode));

  /* DMA2D OCOLR register reading ------------------------------------------*/
  if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB8888)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFF0000U) >> 16U);
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_RGB888)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xFF0000U) >> 16U);
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_RGB565)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xF800U) >> 11U);
  }
  else if (ColorMode == LL_DMA2D_OUTPUT_MODE_ARGB1555)
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0x7C00U) >> 10U);
  }
  else /* ColorMode = LL_DMA2D_OUTPUT_MODE_ARGB4444 */
  {
    color = (uint32_t)(READ_BIT(DMA2Dx->OCOLR, 0xF00U) >> 8U);
  }

  return color;
}

LL_DMA2D_Init()

ErrorStatus LL_DMA2D_Init	(	DMA2D_TypeDef *	DMA2Dx,
		LL_DMA2D_InitTypeDef *	DMA2D_InitStruct
	)

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.

Parameters

DMA2Dx	DMA2D Instance
DMA2D_InitStruct	pointer to a LL_DMA2D_InitTypeDef structure that contains the configuration information for the specified DMA2D peripheral.

Return values

An	ErrorStatus enumeration value: SUCCESS: DMA2D registers are initialized according to DMA2D_InitStruct content ERROR: Issue occurred during DMA2D registers initialization

Definition at line 182 of file stm32l4xx_ll_dma2d.c.

{
  ErrorStatus status = ERROR;
  LL_DMA2D_ColorTypeDef DMA2D_ColorStruct;
  uint32_t tmp, tmp1, tmp2;
  uint32_t regMask, regValue;

  /* 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));
#if defined(DMA2D_OUTPUT_TWO_BY_TWO_SWAP_SUPPORT)
  assert_param(IS_LL_DMA2D_SWAP_MODE(DMA2D_InitStruct->OutputSwapMode));
#endif /* DMA2D_OUTPUT_TWO_BY_TWO_SWAP_SUPPORT */
#if defined(DMA2D_LINE_OFFSET_MODE_SUPPORT)
  assert_param(IS_LL_DMA2D_OFFSET_MODE(DMA2D_InitStruct->LineOffsetMode));
#endif /* DMA2D_LINE_OFFSET_MODE_SUPPORT */
  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 -------------------------------------------*/
#if defined(DMA2D_LINE_OFFSET_MODE_SUPPORT)
    MODIFY_REG(DMA2Dx->CR, (DMA2D_CR_MODE | DMA2D_CR_LOM), \
               (DMA2D_InitStruct->Mode | DMA2D_InitStruct->LineOffsetMode));
#else
    LL_DMA2D_SetMode(DMA2Dx, DMA2D_InitStruct->Mode);
#endif /* DMA2D_LINE_OFFSET_MODE_SUPPORT */

    /* DMA2D OPFCCR register configuration ---------------------------------------*/
    regMask = DMA2D_OPFCCR_CM;
    regValue = DMA2D_InitStruct->ColorMode;

#if defined(DMA2D_OUTPUT_TWO_BY_TWO_SWAP_SUPPORT)
    regMask |= DMA2D_OPFCCR_SB;
    regValue |= DMA2D_InitStruct->OutputSwapMode;
#endif /* DMA2D_OUTPUT_TWO_BY_TWO_SWAP_SUPPORT */

    regMask |= (DMA2D_OPFCCR_RBS | DMA2D_OPFCCR_AI);
    regValue |= (DMA2D_InitStruct->AlphaInversionMode | DMA2D_InitStruct->RBSwapMode);


    MODIFY_REG(DMA2Dx->OPFCCR, regMask, regValue);

    /* 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);
}

LL_DMA2D_LayerCfgStructInit()

void LL_DMA2D_LayerCfgStructInit

(

LL_DMA2D_LayerCfgTypeDef *

DMA2D_LayerCfg

)

Set each LL_DMA2D_LayerCfgTypeDef field to default value.

Parameters

DMA2D_LayerCfg

pointer to a LL_DMA2D_LayerCfgTypeDef structure whose fields will be set to default values.

Return values

None

Definition at line 374 of file stm32l4xx_ll_dma2d.c.

{
  /* Set DMA2D_LayerCfg fields to default values */
  DMA2D_LayerCfg->MemoryAddress      = 0x0U;
  DMA2D_LayerCfg->ColorMode          = LL_DMA2D_INPUT_MODE_ARGB8888;
  DMA2D_LayerCfg->LineOffset         = 0x0U;
  DMA2D_LayerCfg->CLUTColorMode      = LL_DMA2D_CLUT_COLOR_MODE_ARGB8888;
  DMA2D_LayerCfg->CLUTSize           = 0x0U;
  DMA2D_LayerCfg->AlphaMode          = LL_DMA2D_ALPHA_MODE_NO_MODIF;
  DMA2D_LayerCfg->Alpha              = 0x0U;
  DMA2D_LayerCfg->Blue               = 0x0U;
  DMA2D_LayerCfg->Green              = 0x0U;
  DMA2D_LayerCfg->Red                = 0x0U;
  DMA2D_LayerCfg->CLUTMemoryAddress  = 0x0U;
  DMA2D_LayerCfg->AlphaInversionMode = LL_DMA2D_ALPHA_REGULAR;
  DMA2D_LayerCfg->RBSwapMode         = LL_DMA2D_RB_MODE_REGULAR;
}

LL_DMA2D_StructInit()

void LL_DMA2D_StructInit

(

LL_DMA2D_InitTypeDef *

DMA2D_InitStruct

)

Set each LL_DMA2D_InitTypeDef field to default value.

Parameters

DMA2D_InitStruct

pointer to a LL_DMA2D_InitTypeDef structure whose fields will be set to default values.

Return values

None

Definition at line 268 of file stm32l4xx_ll_dma2d.c.

{
  /* Set DMA2D_InitStruct fields to default values */
  DMA2D_InitStruct->Mode                = LL_DMA2D_MODE_M2M;
  DMA2D_InitStruct->ColorMode           = LL_DMA2D_OUTPUT_MODE_ARGB8888;
  DMA2D_InitStruct->NbrOfLines          = 0x0U;
  DMA2D_InitStruct->NbrOfPixelsPerLines = 0x0U;
#if defined(DMA2D_LINE_OFFSET_MODE_SUPPORT)
  DMA2D_InitStruct->LineOffsetMode      = LL_DMA2D_LINE_OFFSET_PIXELS;
#endif /* DMA2D_LINE_OFFSET_MODE_SUPPORT */
  DMA2D_InitStruct->LineOffset          = 0x0U;
  DMA2D_InitStruct->OutputBlue          = 0x0U;
  DMA2D_InitStruct->OutputGreen         = 0x0U;
  DMA2D_InitStruct->OutputRed           = 0x0U;
  DMA2D_InitStruct->OutputAlpha         = 0x0U;
  DMA2D_InitStruct->OutputMemoryAddress = 0x0U;
#if defined(DMA2D_OUTPUT_TWO_BY_TWO_SWAP_SUPPORT)
  DMA2D_InitStruct->OutputSwapMode      = LL_DMA2D_SWAP_MODE_REGULAR;
#endif /* DMA2D_OUTPUT_TWO_BY_TWO_SWAP_SUPPORT */
  DMA2D_InitStruct->AlphaInversionMode  = LL_DMA2D_ALPHA_REGULAR;
  DMA2D_InitStruct->RBSwapMode          = LL_DMA2D_RB_MODE_REGULAR;
}