ch32hack/main.c

#include <ch32fun.h>

#define LED_PIN PD6
int main() {
    SystemInit();

    funGpioInitAll();
    funPinMode(LED_PIN, GPIO_Speed_10MHz | GPIO_CNF_OUT_PP);

    funDigitalWrite(LED_PIN, 1);
    Delay_Ms(100);
    funDigitalWrite(LED_PIN, 0);

    while (1);
}