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dsp和pc的通过网口传图片



我正在做pc和dsp网口传图片,我是用了helloworld的例程,将pc发送数据的程序改动了一下,加了读图片文件,但是虽然用命令行测试显示成功发送了足够的字节数,但是dsp并没有进入dtask_udp_hello,我想问一下为什么?这说明发送的套接字s有问题吗?正常情况下sento()返回的是发送的数据所占字节数还是还有套接字s?