STM32F4Discovery DAC mit HAL-Treiber

int main(int argc, char* argv[]){

  __GPIOA_CLK_ENABLE();

  __DAC_CLK_ENABLE();

  //Ausgangspin  fuer ADC

  GPIO_InitTypeDef GPIOA_4;

  GPIOA_4.Mode = GPIO_MODE_ANALOG;

  GPIOA_4.Pin = GPIO_PIN_4;

  HAL_GPIO_Init(GPIOA,&GPIOA_4);

  //ADC Handler

  DAC_HandleTypeDef DAC_Handle;

  DAC_Handle.Instance = DAC;

  HAL_DAC_Init(&DAC_Handle);

  //ADC-Kanal Konfig fuer Kanal 1 (PA4)

  DAC_ChannelConfTypeDef DAC_C1;

  DAC_C1.DAC_Trigger = DAC_TRIGGER_SOFTWARE;

  DAC_C1.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;

  HAL_DAC_ConfigChannel(&DAC_Handle,&DAC_C1,DAC_CHANNEL_1);

  HAL_DAC_SetValue(&DAC_Handle,DAC_CHANNEL_1,DAC_ALIGN_8B_R,0x00);

  HAL_DAC_Start(&DAC_Handle,DAC_CHANNEL_1);

  HAL_DAC_SetValue(&DAC_Handle,DAC_CHANNEL_1,DAC_ALIGN_8B_R,0xFF);

  // Infinite loop

  while (1){

    // Infinite loop, never return.

    }

  return 0;

}