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串行端口

使用 BeagleBone^® Black 串行端口

连接和控制 BeagleBone Black 串行端口的接入设备

对象

`beaglebone`	Connection to BeagleBone Black hardware
`serialdev`	Connection to serial device on BeagleBone Black hardware

函数

`clear`	Terminate connection to BeagleBone Black hardware
`showAllPins`	Show diagram of all pins
`showPins`	Show diagram of GPIO pins
`enableSerialPort`	Enable serial interface
`read`	Read data from serial device
`write`	Write data to serial device

主题

Use BeagleBone Black Serial Port to Connect to Device
This example shows how to create a connection to a serial device, write data to the device, and read data from the device.
BeagleBone Black Serial Port
Serial port on BeagleBone Black hardware.
BeagleBone Black Pin Map
Detailed description of BeagleBone Black pin map.

疑难解答

Troubleshoot BeagleBone Black Serial Port

Troubleshoot Serial Port on BeagleBone Black hardware.

精选示例

Control Four-Digit Seven-Segment Display Using Serial Port

Control Four-Digit Seven-Segment Display Using Serial Port

Use the serial UART on BeagleBone Black hardware to control a four-digit seven-segment display.