DALI主机发送过程，以曼彻斯特码方式进行数据的传送。-DALI master send data with the Manchester mechanism and receive the data from the slave。

Routine for AVR to send DALI commands

基于数字调光技术(DALI)的驱动代码。采用LPC13XX主控制，采用定时器发送DALI forward frame，采用定时器捕获接收backward frame。完成DALI接收和发送数据的驱动。-Based on Digital Addressable Lighting Interface (DALI) driver code. Using LPC13XX master control, using a timer to send DALI forward frame, using a t