#define ADC1_DR_Address ((uint32_t)0x4001244C)

RCC_ADCCLKConfig(RCC_PCLK2_Div8); // Enable DMA1 clock
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);// Enable ADC1 and TIM1 Periph clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);

// Configure ADC Channel14 as analog input
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);

// DMA1 Channel configuration
DMA_InitTypeDef DMA_InitStructure;
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADCConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE);
// ADC1 configuration
ADC_InitTypeDef ADC_InitStructure;
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
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->CR2 |=((uint32_t)0x00800000);
ADC_RegularChannelConfig(ADC1, ADC_Channel_16, 1, ADC_SampleTime_71Cycles5);

ADC_InjectedSequencerLengthConfig(ADC1, 1); // Set injected sequencer length
ADC_InjectedChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_55Cycles5); // ADC1 injected channel Configuration
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None); // ADC1 injected external trigger configuration
ADC_AutoInjectedConvCmd(ADC1, ENABLE); // Enable automatic injected conversion start after regular one

ADC_DMACmd(ADC1, ENABLE); // Enable ADC1 DMA
ADC_ExternalTrigConvCmd(ADC1, ENABLE); // Enable ADC1 external trigger
ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE); // Enable JEOC interupt
ADC_Cmd(ADC1, ENABLE); // Enable ADC1
ADC_ResetCalibration(ADC1); // Enable ADC1 reset calibaration register
while(ADC_GetResetCalibrationStatus(ADC1)); // Check the end of ADC1 reset calibration register
ADC_StartCalibration(ADC1); // Start ADC1 calibaration
while(ADC_GetCalibrationStatus(ADC1)); // Check the end of ADC1 calibration
ADC_SoftwareStartConvCmd(ADC1, ENABLE); // Start ADC1 conversion

#include "stm32f10x.h"

int main()
{
RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;
RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;

GPIOC->CRH |= GPIO_CRH_MODE9;
GPIOC->CRH &=~ GPIO_CRH_CNF9;

GPIOA->CRL |= GPIO_CRL_MODE0;
GPIOA->CRL &=~ GPIO_CRL_CNF0_0;

RCC->APB2ENR |= RCC_APB2ENR_AFIOEN;
AFIO->EXTICR[0] |= AFIO_EXTICR1_EXTI0_PA;

EXTI->IMR |= EXTI_IMR_MR0;
EXTI->EMR |= EXTI_EMR_MR0;

EXTI->RTSR |= EXTI_RTSR_TR0;

NVIC_SetPriority(EXTI0_IRQn, 7);
NVIC_EnableIRQ(EXTI0_IRQn);

__enable_irq ();

while (1)
{
GPIOC->BSRR |= GPIO_BSRR_BS8;
for (volatile int x=0; x<100000; x++){}
GPIOC->BRR |= GPIO_BRR_BR8;
for (volatile int x=0; x<100000; x++){}
}
}

//Сам обработчик прерывания
void EXTI0_IRQHandler(void)
{
if ((EXTI->PR & EXTI_PR_PR0)==0)
{
GPIOC->BSRR |= GPIO_BSRR_BS9;
EXTI->PR |= EXTI_PR_PR0;
}
}

extern "C" void EXTI0_IRQHandler(void)
{
...

void pwm_init()
{
// Включаем тактирование порта A и альтернативных функций:
RCC->APB2ENR |= RCC_APB2ENR_IOPAEN | RCC_APB2ENR_AFIOEN;

// Тактирование таймера:
RCC->APB2ENR |= RCC_APB2ENR_TIM1EN;

// Настраиваем ногу TIM1_CH2 как альтернативный выход:
Pin<'A', 9>::Direct(ALT_OUTPUT);

// Настраиваем таймер:
TIM1->CR1 = TIM_CR1_ARPE; // Счёт вверх, без делителя
TIM1->CR2 = 0;
TIM1->ARR = timer_period; // Период
TIM1->PSC = timer_prescaler; // Прескалер
TIM1->RCR = 0;
TIM1->EGR = TIM_EGR_UG; // Генерим событие для немедленного обновления прескалера

// Настраиваем канал OC2 (output compare 2)
TIM1->CCER &= ~(TIM_CCER_CC2E | TIM_CCER_CC2P | TIM_CCER_CC2NE); // Отключаем выход
TIM1->CCR2 = 0; // Период
TIM1->CCMR1 =
(TIM1->CCMR1 & ~(TIM_CCMR1_OC2M | TIM_CCMR1_CC2S | TIM_CCMR1_OC2M)) |
TIM_CCMR1_OC2M_2 | TIM_CCMR1_OC2M_1 | // PWM 1 (0x6000),
TIM_CCMR1_OC2PE; //;

TIM1->CCER |= TIM_CCER_CC2E; // Включаем выход
TIM1->CR1 |= TIM_CR1_CEN; // Запускаем таймер
TIM1->BDTR |= TIM_BDTR_MOE; // Специальная фишка у T1 и T8 - Main Output Enable
}

void pwm_set(uint16_t value)
{
TIM1->CCR2 = value;
}