How to configure SPORT to wait for a trigger from master:
Please refer the example project for configure the SPORT DMA channels are waiting for master trigger raise. In this project, SPORT 0A and 1A for transmitting 10 data to SPORT 0B and 1B respectively. Here all SPORT's DMA channels are configured as a trigger receiver(slave) to receive a software trigger from Initiator. So, after enabled SPORTs, DMA channels wait for a trigger to initiate the data transfer. The software trigger Initiator(master) is raise, data transfer will start in SPORTs DMA channels.