4.8 UART驱动调试
&uart0 { status = “okay”; pinctrl-names = “default”; pinctrl-0 = <&uart0_xfer &uart0_ctsn>; }; &uart4 { status = “okay”; pinctrl-names = “default”; pinctrl-0 = <&uart4m1_xfer>; }; &uart7 { status = “okay”; pinctrl-names = “default”; pinctrl-0 = <&uart7m1_xfer>; }; rk3568_aybering:/ # linux_485_test /dev/ttyS7 115200 100 “ttyS7 send test” /dev/ttyS7 115200 N 1 After receiving exit or EXIT, exit! <SendThread-312> gpio is 100 <RecvThread-189> gpio is 100 send: ==> ttyS7 send test recv <== uart 7 recv test send: ==> ttyS7 send test recv <== uart 7 recv test send: ==> ttyS7 send test recv <== uart 7 recv test send: ==> ttyS7 send test recv <== uart 7 recv test send: ==> ttyS7 send test recv <== uart 7 recv test send: ==> ttyS7 send test recv <== uart 7 recv test send: ==> ttyS7 send test recv <== uart 7 recv test send: ==> ttyS7 send test recv <== uart 7 recv test ^C 130|rk3568_aybering:/ #<
这块比较简单，就直接上代码了。
免责声明：文章内容来自互联网，本站不对其真实性负责，也不承担任何法律责任，如有侵权等情况，请与本站联系删除。
转载请注明出处：RK3568 开发板-安卓系统之UART驱动调试（十一）-rk3566开发板 https://www.yhzz.com.cn/a/9728.html