利用srio与fpga通信,有时收不到门铃中断
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请问中断函数处理占用时间是多少?中断断服务程序占用时间较长的话,在Doorbell间隔比较小的情况下会造成doorbell丢包。避免在中断服务程序用printf这些打印语句。如果还是丢中断,试试加长FPGA发包间隔。
请看一下下面的帖子是否有帮助?
https://e2echina.ti.com/support/processors/f/processors-forum/78807/c6678-srio-dsp-doorbell