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TMS570 SPI中断发送接收有问题

TMS570 SPI中断发送接收有问题,接收不到数据,master采用轮询发送接收,slave采用中断发送接收,slave只能接收一次,master也只能接收到第一次的数据,下面是我的源程序,麻烦看一下有什么问题

SPI5_Master_Slave.zip