/**
* @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 */
{
}
}
/**
* @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();
RCC->APB2ENR = RCC_APB2ENR_ADC1EN; /* Enable the peripheral clock of the ADC */
RCC->CFGR |= RCC_CFGR_PPRE_2; /* Set peripheral prescaler to /2 so PCLK = HCLK/2 = 24MHz */
CalibrateADC();
EnableADC();
ConfigureADC();
ConfigureDMA();
ADC1->CR |= ADC_CR_ADSTART; /* Start the ADC conversions */
while (error < ERROR_UNEXPECTED_DMA_IT) /* loop till no unrecoverable error */
{
__WFI();
}
DisableADC();
SysTick_Config(48000); /* 1ms config */
while (1) /* Infinite loop */
{
}
}
/**
* @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 */
{
}
}
unsigned int SampNoise(char chan)
{
SetCH0In(chan); // Set which Analog port to sample
EnableADC(); // Enable ADC Module
StartSamp(); // Start Sampling
__delay_us(10); // Sample for 10us
StopSamp(); // Stop sampling, start conversion
while(!AD1CON1bits.DONE);
return ADCBUF0; // Return Sampled Noise
}
/**
* @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
*/
/* defines the upper limit 15% above the factory value
the value is adapted according to the application power supply
versus the factory calibration power supply */
uint16_t vrefint_high = (*VREFINT_CAL_ADDR)* VDD_CALIB / VDD_APPLI * 115 / 100;
/* defines the lower limit 15% below the factory value
the value is adapted according to the application power supply
versus the factory calibration power supply */
uint16_t vrefint_low = (*VREFINT_CAL_ADDR) * VDD_CALIB / VDD_APPLI * 85 / 100;
ConfigureGPIO();
SetClockForADC();
CalibrateADC();
EnableADC();
ConfigureADC();
ConfigureTIM15();
ADC1->CR |= ADC_CR_ADSTART; /* start the ADC conversion */
while (error == 0) /* Loop till the measure is in the range */
{
while ((ADC1->ISR & ADC_ISR_EOC) == 0); /* wait end of conversion */
if ((ADC1->DR > vrefint_high) && (ADC1->DR > vrefint_low))
{
error |= WARNING_MEASURE; /* report a warning, the measure being out of range due to VDD shift */
}
GPIOC->ODR ^= (1<<9); /* Toggle green led on PC9 */
}
DisableADC();
SysTick_Config(48000); /* 1ms config */
while(1)
{
}
}