void ADC_Tim()
{
//TIM2 - 1kHz
TIM_TimeBaseInitTypeDef TIM_Time_user;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);

TIM_Time_user.TIM_Prescaler = 20-1;//8000000/1000;//20-1;
TIM_Time_user.TIM_CounterMode = TIM_CounterMode_Up;
TIM_Time_user.TIM_Period = 100;
TIM_Time_user.TIM_ClockDivision = TIM_CKD_DIV1;

TIM_TimeBaseInit(TIM2, &TIM_Time_user);

NVIC_EnableIRQ(TIM2_IRQn);

TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);

TIM_SelectOutputTrigger(TIM2, TIM_TRGOSource_Update);
TIM_Cmd(TIM2, ENABLE);
}

extern "C" void TIM2_IRQHandler(void)
{
if(TIM_GetITStatus(TIM2, TIM_IT_Update)==SET)
{
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
GPIO_ToggleBits(GPIOD, GPIO_Pin_15);
}
}

void ADC_Ini()
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_Init_user;

RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC, ENABLE);

ADC_Init_user.ADC_Resolution = ADC_Resolution_12b;
ADC_Init_user.ADC_ScanConvMode = ENABLE;
ADC_Init_user.ADC_ContinuousConvMode = DISABLE;
ADC_Init_user.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConvEdge_Rising);
ADC_Init_user.ADC_ExternalTrigConv = ADC_ExternalTrigInjecConv_T2_TRGO;
ADC_Init_user.ADC_DataAlign = ADC_DataAlign_Right;
ADC_Init_user.ADC_NbrOfConversion = 2;

ADC_Init(ADC1, &ADC_Init_user);

ADC_InjectedSequencerLengthConfig(ADC1, 2);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_6, 1, ADC_SampleTime_56Cycles);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_7, 2, ADC_SampleTime_56Cycles);

NVIC_EnableIRQ(ADC_IRQn);
// __enable_irq();
ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);

ADC_Tim();

ADC_Cmd(ADC1, ENABLE);
}

extern "C" void ADC_IRQHandler(void)
{
if(ADC_GetITStatus(ADC1, ADC_IT_JEOC) == SET)
{
ADC_ClearITPendingBit(ADC1, ADC_IT_JEOC);
GPIO_SetBits(GPIOD, GPIO_Pin_14);

data_adc1 = ADC_GetInjectedConversionValue(ADC1,ADC_InjectedChannel_1);
data_adc1 = data_adc1*1.365;

data_adc2 = ADC_GetInjectedConversionValue(ADC1,ADC_InjectedChannel_2);
data_adc2 = data_adc2*1.365;
}
}