Exemple #1
0
void adc_init()
{
GPIO_InitTypeDef    GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;	
	
RCC_HSICmd(ENABLE); 	
while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); 
	
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA , ENABLE);	

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5; //2, 3
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN; 
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; 
GPIO_Init(GPIOA, &GPIO_InitStructure); 	
	
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //We will convert single channel only
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//we will convert many times  
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //right 12-bit data alignment in ADC data register  
ADC_Init(ADC1, &ADC_InitStructure);//load structure values to control and status registers

ADC_InjectedSequencerLengthConfig(ADC1, 4);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_192Cycles);	
ADC_InjectedChannelConfig(ADC1, ADC_Channel_3, 2, ADC_SampleTime_192Cycles);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_4, 3, ADC_SampleTime_192Cycles);	
ADC_InjectedChannelConfig(ADC1, ADC_Channel_5, 4, ADC_SampleTime_192Cycles);

ADC_ExternalTrigInjectedConvEdgeConfig(ADC1, ADC_ExternalTrigInjecConvEdge_None);

ADC_AutoInjectedConvCmd(ADC1, ENABLE);

ADC_Cmd(ADC1, ENABLE);

while(!(ADC1->SR&ADC_SR_ADONS)); //wait till ready
//TODO: delay();

ADC_SoftwareStartInjectedConv(ADC1);  

//TODO: delay();
}
/***********************************************************
*   函数声明:ADC初始化函数                                *
*   function:采集片内温度,保温盒温度,三相电有效值       *
*   输出    :    无                                       *
*   调用函数:ST F.W. Ver3.0                               *
***********************************************************/
void ADC1_Configuration(void)
{
	ADC_InitTypeDef ADC_InitStructure;

	/* 12MHz的时钟 */
	RCC_ADCCLKConfig(RCC_PCLK2_Div6); /* David */
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);

	ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
	ADC_InitStructure.ADC_ScanConvMode = ENABLE;
	ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
	ADC_InitStructure.ADC_NbrOfChannel = 1;
	ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
	ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_Init(ADC1, &ADC_InitStructure);

	/*
	ADC1, ADC_Channel_0->PA0->恒温盒内温度

	ADC_SampleTime_71Cycles5
	*/
	ADC_RegularChannelConfig(ADC1, ADC_Channel_0,  1, ADC_SampleTime_239Cycles5);  //恒温盒内温度

#if 1
	ADC_InjectedSequencerLengthConfig(ADC1, 1);
	ADC_InjectedChannelConfig(ADC1, ADC_Channel_16, 1, ADC_SampleTime_239Cycles5);//ADC_SampleTime_55Cycles5
	ADC_TempSensorVrefintCmd(ENABLE);  //测温度的 使能
	ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);	// ADC_ExternalTrigInjecConv_T2_TRGO
	ADC_AutoInjectedConvCmd(ADC1, ENABLE);
#endif
	ADC_DMACmd(ADC1, ENABLE);
	ADC_Cmd(ADC1, ENABLE);

	ADC_ResetCalibration(ADC1);
	while(ADC_GetResetCalibrationStatus(ADC1));
	ADC_StartCalibration(ADC1);
	while(ADC_GetCalibrationStatus(ADC1));
	ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
/**
  * @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_stm32f10x_xx.s) before to branch to application main.
         To reconfigure the default setting of SystemInit() function, refer to
         system_stm32f10x.c file
       */

    /* System clocks configuration ---------------------------------------------*/
    RCC_Configuration();

    /* NVIC configuration ------------------------------------------------------*/
    NVIC_Configuration();

    /* GPIO configuration ------------------------------------------------------*/
    GPIO_Configuration();

    /* TIM1 configuration ------------------------------------------------------*/
    /* Time Base configuration */
    TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
    TIM_TimeBaseStructure.TIM_Period = 0xFF;
    TIM_TimeBaseStructure.TIM_Prescaler = 0x4;
    TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
    /* TIM1 channel1 configuration in PWM mode */
    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
    TIM_OCInitStructure.TIM_Pulse = 0x7F;
    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
    TIM_OC1Init(TIM1, &TIM_OCInitStructure);

    /* DMA1 Channel1 Configuration ----------------------------------------------*/
    DMA_DeInit(DMA1_Channel1);
    DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
    DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_RegularConvertedValueTab;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
    DMA_InitStructure.DMA_BufferSize = 32;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
    DMA_Init(DMA1_Channel1, &DMA_InitStructure);

    /* Enable DMA1 channel1 */
    DMA_Cmd(DMA1_Channel1, ENABLE);

    /* ADC1 configuration ------------------------------------------------------*/
    ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_InitStructure.ADC_ScanConvMode = DISABLE;
    ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NbrOfChannel = 1;
    ADC_Init(ADC1, &ADC_InitStructure);

    /* ADC1 regular channel14 configuration */
    ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_13Cycles5);

    /* Set injected sequencer length */
    ADC_InjectedSequencerLengthConfig(ADC1, 1);
    /* ADC1 injected channel Configuration */
    ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 1, ADC_SampleTime_71Cycles5);
    /* ADC1 injected external trigger configuration */
    ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);

    /* Enable automatic injected conversion start after regular one */
    ADC_AutoInjectedConvCmd(ADC1, ENABLE);

    /* Enable ADC1 DMA */
    ADC_DMACmd(ADC1, ENABLE);

    /* Enable ADC1 external trigger */
    ADC_ExternalTrigConvCmd(ADC1, ENABLE);

    /* Enable JEOC interrupt */
    ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);

    /* Enable ADC1 */
    ADC_Cmd(ADC1, ENABLE);

    /* Enable ADC1 reset calibration register */
    ADC_ResetCalibration(ADC1);
    /* Check the end of ADC1 reset calibration register */
    while(ADC_GetResetCalibrationStatus(ADC1));

    /* Start ADC1 calibration */
    ADC_StartCalibration(ADC1);
    /* Check the end of ADC1 calibration */
    while(ADC_GetCalibrationStatus(ADC1));

    /* TIM1 counter enable */
    TIM_Cmd(TIM1, ENABLE);
    /* TIM1 main Output Enable */
    TIM_CtrlPWMOutputs(TIM1, ENABLE);

    /* Test on channel1 transfer complete flag */
    while(!DMA_GetFlagStatus(DMA1_FLAG_TC1));
    /* Clear channel1 transfer complete flag */
    DMA_ClearFlag(DMA1_FLAG_TC1);

    /* TIM1 counter disable */
    TIM_Cmd(TIM1, DISABLE);

    while (1)
    {
    }
}
Exemple #4
0
void o2pt_adc_init(void)
{
	/*
	PC0		VFB_A		ADC123_IN10
	PC1		VFB_B		ADC123_IN11
	PC2		IFB_A		ADC123_IN12
	PC3		IFB_B		ADC123_IN13
	PC4		VO2S_A		ADC12_IN14
	PC5		VO2S_B		ADC12_IN15
	*/
	GPIO_InitTypeDef GPIO_InitStructure;
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

	//ADC
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
	GPIO_InitStructure.GPIO_Pin = \
		GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | \
		GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
	GPIO_Init(GPIOC, &GPIO_InitStructure);

	ADC_InitTypeDef ADC_InitStructure;
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
	RCC_ADCCLKConfig(RCC_PCLK2_Div6); /*72Mhz/6 = 12Mhz, note: 14MHz at most*/
	ADC_DeInit(ADC1);
	ADC_DeInit(ADC2);

	ADC_StructInit(&ADC_InitStructure);
	ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
	ADC_InitStructure.ADC_ScanConvMode = ENABLE;
	ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
	ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
	ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_InitStructure.ADC_NbrOfChannel = 0;
	ADC_Init(ADC1, &ADC_InitStructure);
	ADC_Init(ADC2, &ADC_InitStructure);

	ADC_InjectedSequencerLengthConfig(ADC1, 4); //!!!length must be configured at first
	ADC_InjectedChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_239Cycles5); //12Mhz / (12.5 + 239.5) = 47Khz
	ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_239Cycles5);
	ADC_InjectedChannelConfig(ADC1, ADC_Channel_12, 3, ADC_SampleTime_239Cycles5);
	ADC_InjectedChannelConfig(ADC1, ADC_Channel_13, 4, ADC_SampleTime_239Cycles5);
	ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
	ADC_AutoInjectedConvCmd(ADC1, ENABLE); //!!!must be set because inject channel do not support CONT mode independently

	ADC_InjectedSequencerLengthConfig(ADC2, 2); //!!!length must be configured at first
	ADC_InjectedChannelConfig(ADC2, ADC_Channel_14, 1, ADC_SampleTime_239Cycles5); //12Mhz / (12.5 + 239.5) = 47Khz
	ADC_InjectedChannelConfig(ADC2, ADC_Channel_15, 2, ADC_SampleTime_239Cycles5);
	ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);
	ADC_AutoInjectedConvCmd(ADC2, ENABLE); //!!!must be set because inject channel do not support CONT mode independently

	ADC_Cmd(ADC1, ENABLE);
	ADC_ResetCalibration(ADC1);
	while(ADC_GetResetCalibrationStatus(ADC1));
	ADC_StartCalibration(ADC1);
	while(ADC_GetCalibrationStatus(ADC1)); //WARNNING: DEAD LOOP!!!
	ADC_SoftwareStartConvCmd(ADC1, ENABLE);

	ADC_Cmd(ADC2, ENABLE);
	ADC_ResetCalibration(ADC2);
	while(ADC_GetResetCalibrationStatus(ADC2));
	ADC_StartCalibration(ADC2);
	while(ADC_GetCalibrationStatus(ADC2)); //WARNNING: DEAD LOOP!!!
	ADC_SoftwareStartConvCmd(ADC2, ENABLE);
}