/************************************************************************************************
** Function name :
** Description :
**
** Input :
** Output :
** Return :
** Others :
**
************************************************************************************************/
void ADC_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
//GPIOC Periph clock enable
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
//ADC1 Periph clock enable
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
//Configure ADC Channel1 as analog input
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//ADC1 Configuration
//ADCs DeInit
ADC_DeInit(ADC1);
//Configure the ADC1 in continous mode withe a resolutuion equal to 12 bits
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
// ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_ScanDirection = ADC_ScanDirection_Upward;
ADC_Init(ADC1, &ADC_InitStructure);
//转换ADC1通道,周期采样时间
ADC_ChannelConfig(ADC1, ADC_Channel_1 , ADC_SampleTime_28_5Cycles);
//ADC Calibration-ADC校准
ADC_GetCalibrationFactor(ADC1);
//Enable the auto delay feature-启用自动延时功能
ADC_WaitModeCmd(ADC1, ENABLE);
//使能ADC1
ADC_AutoPowerOffCmd(ADC1, ENABLE);
//Enable ADCperipheral[PerIdx]-启用ADC外设[PerIdx]
ADC_Cmd(ADC1, ENABLE);
//Wait the ADCEN falg-等待ADC1校准完成
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADEN));
//ADC1 regular Software Start Conv
ADC_StartOfConversion(ADC1);
}
//==============================================================================
// ADC 初始化
//==============================================================================
void F_InitialADC(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; // 聲明定時器初始化結構體
TIM_OCInitTypeDef TIM_OCInitStructure;
/* GPIOC Periph clock enable */
RCC_AHBPeriphClockCmd(P_VR2_GPIO_CLK, ENABLE);
/* ADC1 Periph clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* TIM3 Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
/* Configure ADC Channel0 as analog input */
GPIO_InitStructure.GPIO_Pin = P_VR2_PIN ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(P_VR2_GPIO_PORT, &GPIO_InitStructure);
/* TIM3 Configuration *******************************************************/
TIM_DeInit(TIM3);
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_OCStructInit(&TIM_OCInitStructure);
/* Time base configuration */
TIM_TimeBaseStructure.TIM_Period = 0xFF;
TIM_TimeBaseStructure.TIM_Prescaler = 0x0;
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
/* TIM3 TRGO selection */
TIM_SelectOutputTrigger(TIM3, TIM_TRGOSource_Update);
/* ADC2 Configuration *******************************************************/
/* ADCs DeInit */
ADC_DeInit(ADC1);
/* Configure the ADC1 in continous mode withe a resolutuion equal to 8 bits*/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_8b;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_ScanDirection = ADC_ScanDirection_Upward;
ADC_Init(ADC1, &ADC_InitStructure);
/* Convert the ADC1 Channel 0 with 239.5 Cycles as sampling time */
ADC_ChannelConfig(ADC1, P_VR2_Channel , ADC_SampleTime_28_5Cycles);
/* ADC Calibration */
ADC_GetCalibrationFactor(ADC1);
/* Enable the auto delay feature */
ADC_WaitModeCmd(ADC1, ENABLE);
/* Enable the Auto power off mode */
ADC_AutoPowerOffCmd(ADC1, ENABLE);
/* Enable ADCperipheral[PerIdx] */
ADC_Cmd(ADC1, ENABLE);
/* Wait the ADCEN falg */
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADEN));
/* TIM2 enable counter */
TIM_Cmd(TIM3, ENABLE);
/* ADC1 regular Software Start Conv */
ADC_StartOfConversion(ADC1);
}
/**
* @brief ADC1 configuration
* @param None
* @retval None
*/
static void ADC_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* GPIOC Peripheral clock enable */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
/* ADC1 Peripheral clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* Configure ADC Channel11(for STM320518 EVAL) and Chanenl10(for STM32072B EVAL) as analog input */
#ifdef USE_STM320518_EVAL
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 ;
#else
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 ;
#endif /* USE_STM320518_EVAL */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* ADCs DeInit */
ADC_DeInit(ADC1);
/* Configure the ADC1 in continous mode withe a resolution equal to 12 bits*/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_ScanDirection = ADC_ScanDirection_Upward;
ADC_Init(ADC1, &ADC_InitStructure);
/* Convert the ADC1 Channel 11 and channel10 with 28.5 Cycles as sampling time */
#ifdef USE_STM320518_EVAL
ADC_ChannelConfig(ADC1, ADC_Channel_11 , ADC_SampleTime_28_5Cycles);
#else
ADC_ChannelConfig(ADC1, ADC_Channel_10 , ADC_SampleTime_28_5Cycles);
#endif /* USE_STM320518_EVAL */
/* ADC Calibration */
ADC_GetCalibrationFactor(ADC1);
/* Enable OVR interupt */
ADC_ITConfig(ADC1, ADC_IT_OVR, ENABLE);
/* Configure and enable ADC1 interrupt */
NVIC_InitStructure.NVIC_IRQChannel = ADC1_COMP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable the ADC peripheral */
ADC_Cmd(ADC1, ENABLE);
/* Wait the ADRDY flag */
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADRDY));
#if defined (ADC_LOWPOWER)
/* Enable the wait conversion mode */
ADC_WaitModeCmd(ADC1, ENABLE);
/* Enable the Auto power off mode */
ADC_AutoPowerOffCmd(ADC1, ENABLE);
#endif
/* ADC1 regular Software Start Conv */
ADC_StartOfConversion(ADC1);
}
/**
* @brief ADC1 channel11 configuration
* @param None
* @retval None
*/
void ADC1_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* GPIOC Periph clock enable */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
/* ADC1 Periph clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
/* Configure ADC Channel11 as analog input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* TIM3 Configuration *******************************************************/
TIM_DeInit(TIM3);
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_OCStructInit(&TIM_OCInitStructure);
/* Time base configuration */
TIM_TimeBaseStructure.TIM_Period = 0xFF;
TIM_TimeBaseStructure.TIM_Prescaler = 0x0;
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
/* TIM3 TRGO selection */
TIM_SelectOutputTrigger(TIM3, TIM_TRGOSource_Update);
/* ADC1 Configuration *******************************************************/
/* ADCs DeInit */
ADC_DeInit(ADC1);
/* Configure the ADC1 in continous mode withe a resolutuion equal to 12 bits*/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_ScanDirection = ADC_ScanDirection_Upward;
ADC_Init(ADC1, &ADC_InitStructure);
/* Convert the ADC1 Channel 11 with 239.5 Cycles as sampling time */
ADC_ChannelConfig(ADC1, ADC_Channel_11 , ADC_SampleTime_28_5Cycles);
/* ADC Calibration */
ADC_GetCalibrationFactor(ADC1);
#if defined (ADC_LOWPOWER)
/* Enable the wait conversion mode */
ADC_WaitModeCmd(ADC1, ENABLE);
/* Enable the Auto power off mode */
ADC_AutoPowerOffCmd(ADC1, ENABLE);
#endif
/* Enable OVR interupts */
ADC_ITConfig(ADC1, ADC_IT_OVR, ENABLE);
/* Configure and enable ADC1 interrupt */
NVIC_InitStructure.NVIC_IRQChannel = ADC1_COMP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable ADCperipheral[PerIdx] */
ADC_Cmd(ADC1, ENABLE);
/* Wait the ADCEN falg */
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADEN));
/* TIM2 enable counter */
TIM_Cmd(TIM3, ENABLE);
/* ADC1 regular Software Start Conv */
ADC_StartOfConversion(ADC1);
}
