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am335x上利用pru虚拟出串口

Other Parts Discussed in Thread: AM3359

你好,我用的板子是BeagleBone,cpu是am3359,开发环境是sdk5.6,想做的是利用pru虚拟出四个串口出来,按照processors.wiki.ti.com/.../Soft-UART_Implementation_on_AM335X_PRU_-_Software_Users_Guide步骤如下:

1、利用pru-uart-fw编译出PRU_SUART_Emulation.bin

2、从am335x-pru-linux-drivers.git拷贝驱动,生成内核及模块suart_emu.ko。

内核可以运行,加载suart_emu.ko后可在/dev/下看到设备节点。但串口无法通讯。

问题:

1、文档中讲到的am335x-pru-uart-fw.git编译时出错,所以我使用pru-uart-fw,有问题吗,如果有,那如何编译am335x-pru-uart-fw.git

2、文档中讲到的pasm,后面的this link链接失效。哪里可以下载到。

  1. You will need to have the pasm tool. You can download the tool from this link

3、除以上步骤还需要编译移植什么吗?

谢谢!!!!