void DMX_SendPacket(void) //发送DMX512数据

{

//配置为普通IO

pDMX_buf = 0 发送起始码 00

GPIO_Tx_Config(0) 　　//设置发送的引脚为普通IO

PA2 = 0 //输出低电平

delay_us(150) //延时150us

PA2 = 1 //输出高电平

delay_us(13) //延时13us

GPIO_Tx_Config(1) 　　//设置发送的引脚为复用IO



//USART1->DR = 0x0100 | TXDData[0] //第0帧前导码-DMX512 receiving procedDMX512 receiving procedure ure DMX512 receDMX512 receiving procedure iving procedure DMX512 receiving procedure