STM32F103 ADC per Timer triggern (SPL)

#include "stm32f10x_conf.h"

int main(void)

{

    SystemInit();

    // Interrupts

    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);

    NVIC_InitTypeDef NVIC_InitStructure;

    NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;

    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;

    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;

    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

    NVIC_Init(&NVIC_InitStructure);

    NVIC_InitStructure.NVIC_IRQChannel = TIM1_CC_IRQn;

    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;

    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;

    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

    NVIC_Init(&NVIC_InitStructure);

    // Clocks

    RCC_ADCCLKConfig(RCC_PCLK2_Div6);

    RCC_APB2PeriphClockCmd(

        RCC_APB2Periph_GPIOA |

        RCC_APB2Periph_GPIOB |

        RCC_APB2Periph_AFIO  |

        RCC_APB2Periph_TIM1  |

        RCC_APB2Periph_ADC1  ,

        ENABLE

        );

    // IO

    GPIO_InitTypeDef GPIO_InitStructure;

    GPIO_StructInit(&GPIO_InitStructure);

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;

    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;       // AF: adc

    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

    GPIO_Init(GPIOA, &GPIO_InitStructure);

    GPIO_StructInit( &GPIO_InitStructure );

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;

    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;     // AF: timer 1 pwm

    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

    GPIO_Init(GPIOA, &GPIO_InitStructure);

    GPIO_StructInit( &GPIO_InitStructure );

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;

    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;

    GPIO_Init(GPIOB, &GPIO_InitStructure);

    // ADC

    ADC_InitTypeDef ADC_InitStructure;

    ADC_StructInit(&ADC_InitStructure);

    ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;

    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC2;

    ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;

    ADC_InitStructure.ADC_ScanConvMode = DISABLE;

    ADC_InitStructure.ADC_NbrOfChannel = 1;

    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;

    ADC_Init(ADC1, &ADC_InitStructure);

    ADC_RegularChannelConfig(

         ADC1,

         ADC_Channel_1,

         1,                         // The rank in the regular group sequencer. This parameter must be between 1 to 16.

         ADC_SampleTime_1Cycles5

         );

    ADC_ExternalTrigConvCmd(ADC1, ENABLE);

    ADC_ClearITPendingBit(ADC1, ADC_IT_EOC);

    ADC_ITConfig(ADC1, ADC1_2_IRQn, ENABLE);

    ADC_Cmd(ADC1, ENABLE);

    // calibrate

    ADC_ResetCalibration(ADC1);

    while(ADC_GetResetCalibrationStatus(ADC1));

    ADC_StartCalibration(ADC1);

    while(ADC_GetCalibrationStatus(ADC1));

/*

    ADC_SoftwareStartConvCmd(ADC1, ENABLE);

    while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC));

    ADC_ClearFlag(ADC1, ADC_FLAG_EOC);

    uint16_t value = ADC_GetConversionValue(ADC1);

*/

    // PWM Timer 1

    TIM_TimeBaseInitTypeDef TIM_TimeBase_InitStructure;

    TIM_TimeBaseStructInit( &TIM_TimeBase_InitStructure );

    TIM_TimeBase_InitStructure.TIM_CounterMode =    TIM_CounterMode_Up;

    TIM_TimeBase_InitStructure.TIM_ClockDivision =  TIM_CKD_DIV1;

    TIM_TimeBase_InitStructure.TIM_Prescaler =      32;

    TIM_TimeBase_InitStructure.TIM_Period =         1023;

    TIM_TimeBaseInit(TIM1, &TIM_TimeBase_InitStructure);

    // CC1 PWM

    TIM_OCInitTypeDef   TIM_OC_InitStructure;

    TIM_OCStructInit( &TIM_OC_InitStructure );

    TIM_OC_InitStructure.TIM_OCMode =       TIM_OCMode_PWM1;

    TIM_OC_InitStructure.TIM_OCIdleState =  TIM_OCIdleState_Reset;

    TIM_OC_InitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;

    TIM_OC_InitStructure.TIM_OCPolarity =   TIM_OCPolarity_High;

    TIM_OC_InitStructure.TIM_OCNPolarity =  TIM_OCNPolarity_Low;

    TIM_OC_InitStructure.TIM_Pulse =        127;

    TIM_OC_InitStructure.TIM_OutputState =  TIM_OutputState_Enable;

    TIM_OC_InitStructure.TIM_OutputNState = TIM_OutputNState_Disable;

    TIM_OC1Init(TIM1, &TIM_OC_InitStructure);

    TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);

    // CC2 ADC

    TIM_OCStructInit( &TIM_OC_InitStructure );

    TIM_OC_InitStructure.TIM_Pulse =        511;

    TIM_OC2Init(TIM1, &TIM_OC_InitStructure);

    TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);

    TIM_ClearITPendingBit(TIM1, TIM_IT_CC2);

    TIM_ITConfig(TIM1, TIM_IT_CC2, ENABLE);

    TIM_Cmd(TIM1, ENABLE);

    TIM_CtrlPWMOutputs(TIM1, ENABLE);

  while(1)

  {

  }

}

void ADC1_2_IRQHandler(void){

        if( ADC_GetITStatus(ADC1, ADC_IT_EOC) == SET){

            ADC_ClearITPendingBit(ADC1, ADC_IT_EOC);

            GPIO_ResetBits(GPIOB, GPIO_Pin_14);

        }

}

void TIM1_CC_IRQHandler(void)

{

    if( TIM_GetITStatus(TIM1, TIM_IT_CC1) == SET ){

        TIM_ClearITPendingBit(TIM1, TIM_IT_CC1);

    }

    if( TIM_GetITStatus(TIM1, TIM_IT_CC2) == SET ){

        TIM_ClearITPendingBit(TIM1, TIM_IT_CC2);

        if(GPIO_ReadOutputDataBit(GPIOB, GPIO_Pin_14) == SET)

            GPIO_ResetBits(GPIOB, GPIO_Pin_14);

        else

            GPIO_SetBits(GPIOB, GPIO_Pin_14);

    }

}