Unable to open serial port /dev/ttyUSB0
2017-05-15 00:18
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权限不够
通过增加udev规则来实现。步骤如下：
创建文件/etc/udev/rules.d/70-ttyusb.rules
在文件内增加一行
KERNEL=="ttyUSB[0-9]*", MODE="0666"
重新插入USB转串口设备，普通用户就有权限访问了。
通过增加udev规则来实现。步骤如下：
创建文件/etc/udev/rules.d/70-ttyusb.rules
在文件内增加一行
KERNEL=="ttyUSB[0-9]*", MODE="0666"
重新插入USB转串口设备，普通用户就有权限访问了。
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