range Pi User Manual Copyright reserved by Shenzhen Xunlong Software Co., Ltd
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3) The main interface of wiringOP APP is displayed as shown in the figure below, and
then click the UART_TEST button to open the UART test interface
4) The serial port test interface of the APP is shown in the figure below
5) Take the test of UART7 as an example below, select the /dev/ttyS7 node in the
selection box, enter the baud rate you want to set in the edit box, and then click the
OPEN button to open the /dev/ttyS7 node. After the opening is successful, the OPEN
button becomes unselectable, and the CLOSE button and SEND button become
selectable
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