/**
* @brief Configures the ADC1 channel5.
* @param None
* @retval None
*/
void ADC_Config(void)
{
/* Enable The HSI (16Mhz) */
RCC_HSICmd(ENABLE);
/* Enable the GPIOF or GPIOA Clock */
RCC_AHBPeriphClockCmd(IDD_MEASUREMENT_GPIO_CLK, ENABLE);
/* Configure PF.11 (ADC Channel11) or PA.05 (ADC Channe5) in analog mode */
GPIO_InitStructure.GPIO_Pin = IDD_MEASUREMENT_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(IDD_MEASUREMENT_GPIO, &GPIO_InitStructure);
/* Check that HSI oscillator is ready */
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
/* ADC1 Configuration ------------------------------------------------------*/
/* Enable ADC1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
#ifdef USE_STM32L152D_EVAL
/* Select ADC Bank channel */
ADC_BankSelection(ADC1, ADC_Bank_B);
#endif
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel5 or channel1 configuration */
ADC_RegularChannelConfig(ADC1, IDD_MEASUREMENT_ADC_CHANNEL, 1, ADC_SampleTime_192Cycles);
/* Define delay between ADC1 conversions */
ADC_DelaySelectionConfig(ADC1, ADC_DelayLength_Freeze);
/* Enable ADC1 Power Down during Delay */
ADC_PowerDownCmd(ADC1, ADC_PowerDown_Idle_Delay, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Wait until ADC1 ON status */
while (ADC_GetFlagStatus(ADC1, ADC_FLAG_ADONS) == RESET)
{
}
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConv(ADC1);
/* Wait until ADC Channel 5 or 1 end of conversion */
while (ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET)
{
}
}
/**
* @brief Configures the ADC1: channel (18 or 31) and channel (5 or 1b).
* @param None
* @retval None
*/
void ADC_Config(void)
{
/* Enable The HSI (16Mhz) */
RCC_HSICmd(ENABLE);
/* Check that HSI oscillator is ready */
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
/* Configure RV3 input voltage */
/* Enable the GPIOF Clock */
RCC_AHBPeriphClockCmd(IDD_MEASUREMENT_GPIO_CLK, ENABLE);
/* Configure PF.10 (ADC Channel31) or PA.12 (ADC channel 18) in analog mode */
GPIO_InitStructure.GPIO_Pin = GPIO_PIN_X;
GPIO_Init(IDD_MEASUREMENT_GPIO, &GPIO_InitStructure);
/* Configure the IDD input */
/* Configure PF.11 (ADC channel 1b) or PA.05 (ADC channel 5) in analog mode */
GPIO_InitStructure.GPIO_Pin = GPIO_PIN_Y;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(IDD_MEASUREMENT_GPIO, &GPIO_InitStructure);
/* ADC1 Configuration ------------------------------------------------------*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* ADC1 DeInit */
ADC_DeInit(ADC1);
#ifdef USE_STM32L152D_EVAL
/* Select ADC Bank channel */
ADC_BankSelection(ADC1, ADC_Bank_B);
#endif
/* ADC1 Configuration of channel18/31 and channel5/1b : continuous mode, external trigger (TIM2) */
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Falling;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T2_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 2;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 Regular Channel Config */
ADC_RegularChannelConfig(ADC1, IDD_MEASUREMENT_ADC_CHANNEL, 1, ADC_SampleTime_192Cycles);
ADC_RegularChannelConfig(ADC1, RV3_MEASUREMENT_ADC_CHANNEL, 2, ADC_SampleTime_192Cycles);
/* Enables the ADC1 Power Down during Delay */
ADC_PowerDownCmd(ADC1, ADC_PowerDown_Idle_Delay, ENABLE);
/* Delay until the converted data has been read */
ADC_DelaySelectionConfig(ADC1, ADC_DelayLength_Freeze);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Wait until the ADC1 is ready */
while(ADC_GetFlagStatus(ADC1, ADC_FLAG_ADONS) == RESET)
{
}
}
/**
* @brief ADC configuration for automatic IDD measurement.
* @param None
* @retval None
*/
void IDD_Measurement_ADC_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIOA Clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
/* Configure IDD Measurement pin (ADC Channelxx) as analog input -----------*/
GPIO_InitStructure.GPIO_Pin = IDD_MEASUREMENT_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_Init(IDD_MEASUREMENT_GPIO_PORT, &GPIO_InitStructure);
/* ADC1 configuration --------------------------------------------------------*/
/* Enable HSI clock for ADC clock */
RCC_HSICmd(ENABLE);
/*!< Wait till HSI is ready */
while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET)
{}
/* Enable ADC clock ----------------------------------------------------------*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* de-initialize ADC ---------------------------------------------------------*/
ADC_DeInit(ADC1);
/* ADC configured as follows:
- NbrOfChannel = 1 - ADC_Channel_1b
- Mode = Single ConversionMode(ContinuousConvMode Enabled)
- Resolution = 12Bits
- Prescaler = /1
- Sampling time 192 */
/* ADC Configuration */
ADC_BankSelection(ADC1, ADC_Bank_B);
/* ADC Configuration */
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel4 configuration */
ADC_RegularChannelConfig(ADC1, IDD_MEASUREMENT_ADC_CHANNEL, 1, ADC_SampleTime_192Cycles);
ADC_DelaySelectionConfig(ADC1, ADC_DelayLength_Freeze);
ADC_PowerDownCmd(ADC1, ADC_PowerDown_Idle_Delay, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Wait until ADC1 ON status */
while (ADC_GetFlagStatus(ADC1, ADC_FLAG_ADONS) == RESET)
{
}
}
