DCMI konfigurasyonu kapatmak

[xekseni]

Merhaba,

DCMI da bulunan uart6 yı ara ara kullanmak için DCMI konfigurasyonunu pin tanımlamalarını iptal etmem gerekiyor ama yapamadım. Fonksiyonum aşağıdadır. Yardımcı olursanız sevinirim

void DCMI_Config(void)
{
  DCMI_InitTypeDef DCMI_InitStructure;
  GPIO_InitTypeDef GPIO_InitStructure;
  DMA_InitTypeDef  DMA_InitStructure;
 
  /* Enable DCMI GPIOs clocks */
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GPIOE |
                         RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOA, ENABLE);

  /* Enable DCMI clock */
  RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_DCMI, ENABLE);

  /* Connect DCMI pins to AF13 ************************************************/
  /* PCLK */
  GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_DCMI);
  /* D0-D7 */
  GPIO_PinAFConfig(GPIOC, GPIO_PinSource6, GPIO_AF_DCMI);
  GPIO_PinAFConfig(GPIOC, GPIO_PinSource7, GPIO_AF_DCMI);
  GPIO_PinAFConfig(GPIOE, GPIO_PinSource0, GPIO_AF_DCMI);
  GPIO_PinAFConfig(GPIOE, GPIO_PinSource1, GPIO_AF_DCMI);
  GPIO_PinAFConfig(GPIOE, GPIO_PinSource4, GPIO_AF_DCMI);
  GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_DCMI);
  GPIO_PinAFConfig(GPIOE, GPIO_PinSource5, GPIO_AF_DCMI);
  GPIO_PinAFConfig(GPIOE, GPIO_PinSource6, GPIO_AF_DCMI);
  /* VSYNC */
  GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_DCMI);
  /* HSYNC */
  GPIO_PinAFConfig(GPIOA, GPIO_PinSource4, GPIO_AF_DCMI);
 
  /* DCMI GPIO configuration **************************************************/
  /* D0 D1(PC6/7) */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ; 
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* D2..D4(PE0/1/4) D6/D7(PE5/6) */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1
                                 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6;
  GPIO_Init(GPIOE, &GPIO_InitStructure);

  /* D5(PB6), VSYNC(PB7) */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /* PCLK(PA6) HSYNC(PA4)*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
 
  /* DCMI configuration *******************************************************/
  DCMI_InitStructure.DCMI_CaptureMode = DCMI_CaptureMode_SnapShot;
  DCMI_InitStructure.DCMI_SynchroMode = DCMI_SynchroMode_Hardware;
  DCMI_InitStructure.DCMI_PCKPolarity = DCMI_PCKPolarity_Falling;
  DCMI_InitStructure.DCMI_VSPolarity = DCMI_VSPolarity_High;
  DCMI_InitStructure.DCMI_HSPolarity = DCMI_HSPolarity_High;
  DCMI_InitStructure.DCMI_CaptureRate = DCMI_CaptureRate_All_Frame;
  DCMI_InitStructure.DCMI_ExtendedDataMode = DCMI_ExtendedDataMode_8b;
 
  DCMI_Init(&DCMI_InitStructure);

  /* Configures the DMA2 to transfer Data from DCMI to the LCD ****************/
  /* Enable DMA2 clock */
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE); 
 
  /* DMA2 Stream1 Configuration */ 
  DMA_DeInit(DMA2_Stream1);

  DMA_InitStructure.DMA_Channel = DMA_Channel_1; 
  DMA_InitStructure.DMA_PeripheralBaseAddr = DCMI_DR_ADDRESS;   
  DMA_InitStructure.DMA_Memory0BaseAddr = FSMC_LCD_ADDRESS;
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
  DMA_InitStructure.DMA_BufferSize = 1;
  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Enable;         
  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
     
  DMA_Init(DMA2_Stream1, &DMA_InitStructure);
}