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sipeed wiki：https://wiki.sipeed.com
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[Gitalk:/hardware/zh/longan/h618/lpi3h/6_peripheral.html] 外设使用 - Sipeed Wiki #700

Open ateaford opened 1 month ago

ateaford commented 1 month ago

https://wiki.sipeed.com/hardware/zh/longan/h618/lpi3h/6_peripheral.html

ateaford commented 1 month ago

Sipeed@lpi3h-7a87:-$ sudo cat /sys/kernel/debug/gpio

[sudo] password for sipeed:

gpiochipo: GPIOS 0-287, parent: platform/300b000.pinctrl, 300b000.pinctrl: gpio-166 ( |cd ) in lo IRQ

gpio-194 (

| orange:indicator-0) out hi ACTIVE LOW

gpio-196 (

orange:indicator-1 ) out hi ACTIVE LOW

gpiochipl: GPIOS 352-383, parent: platform/7022000.pinctrl, 7022000.pinctrl:

sipeed@lpi3h-7a87:~$ echo ${num} > /sys/class/gpio/export

bash: /sys/class/gpio/export: No such file or directory sipeed@lpi3h-7a87:~$ num=194

sipeed@lpi3h-7a87:~$ echo ${num} > /sys/class/gpio/export bash: /sys/class/gpio/export: No such file or directory

sipeed@lpi3h-7a87:~$