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#include "main.h" #define ADC_BUF_LEN 9000 uint8_t adc_buf[ADC_BUF_LEN]; uint8_t ch = 0;   ADC_HandleTypeDef hadc; DMA_HandleTypeDef hdma_adc;   TIM_HandleTypeDef htim2;   void SystemClock_Config(void); static void MX_GPIO_Init(void); static void MX_...