STM32F103_WS2812B灯带pwm+dma方式驱动控制程序软件源码 #include "sys.h" #include "delay.h" #include "usart.h" #include "ws2812b.h" #define mode 1 //mode = 1为呼吸灯 mode = 2为流水灯 int main(void) { // u8 r,g,b; delay_init(); //延时函数初始化 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级 uart_init(9600); Timer2_init(); // WS2812_Clear(); while(1) { Led_Mode(mode); } }