Example #1
0
/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured, 
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f072xb.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f0xx.c file
  
     PLL is set to x12 with  a PREDIV /2 so the system clock SYSCLK = 48MHz
     */

  ConfigureGPIO();
  SetClockForADC();
  CalibrateADC(); 
  ConfigureGPIOforADC();
  EnableADC();
  ConfigureADC();
  ConfigureDMA();
  ADC1->CR |= ADC_CR_ADSTART; /* start the ADC conversions */
  GPIOC->BSRR = (1<<9); /* switch on the green led */    
  __WFI(); /* No interrupt should occur, as only error could trigger an interrupt */ 
  GPIOC->BRR = (1<<9); /* switch off the green led */
  DisableADC();
  SysTick_Config(48000); /* 1ms config */
  while (1) /* Infinite loop */
  {
  }
}
Example #2
0
/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured, 
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f072xb.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f0xx.c file
  
     PLL is set to x12 with  a PREDIV /2 so the system clock SYSCLK = 48MHz
     */

  ConfigureGPIO();
  ConfigureExternalIT();
  SetClockForADC();
  CalibrateADC();
  ConfigureGPIOforADC();
  EnableADC();
  ConfigureADC();
  CurrentChannel = 0; /* Initializes the CurrentChannel */
  ADC1->CR |= ADC_CR_ADSTART; /* start the ADC conversions */

  while (error == 0) /* loop till no unrecoverable error, should never be exited */
  {   
    __WFI();
  }  
  DisableADC();
  SysTick_Config(48000); /* 1ms config */
  while (1) /* Infinite loop */
  {
  }
}