https://blog.csdn.net/weixin_43962818/article/details/120034902
看这个贴子

能否把写码时序资料共享一份

void fangshong_DMX512_XM(void)
{
if(DMXXM)

{
   uint i,j;
   TXD_pin=0;
   delay1s();
   delay1s();
    Delay88us();  
   TXD_pin=1;
   Delay8us();
                         
   TB8=1;
   fashong(0x00);
for(i=0;i<512;i++)
{

TXD_pin=1;

Delay88us();
Delay88us();
Delay8us();

TB8=1;
fashong(0xAA);
fashong(0xF0);
fashong(0x34);
fashong(0x55);
fashong(0xAC);
fashong(0x80)