示例#1
0
/**
  * @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);
}
示例#2
0
/**
  * @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);
  }
}