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  • MTK gpio adb 控制 和 查看中断INDEX

    cd /sys/class/misc/mtgpio/                                    
    tpw8735b_t3h:/sys/class/misc/mtgpio # ls
    dev pin power single_pin subsystem uevent
    tpw8735b_t3h:/sys/class/misc/mtgpio # cat pin | grep 60                        
     60:01111110
    160:10000110
    cho -wdout 60 0 > pin                                                         <
    tpw8735b_t3h:/sys/class/misc/mtgpio # cat pin | grep 60                        
     60:01001110
    160:10000110
    tpw8735b_t3h:/sys/class/misc/mtgpio # echo -wdout 60 1 > pin                   
    tpw8735b_t3h:/sys/class/misc/mtgpio # echo -wdout 60 0 > pin                   
    tpw8735b_t3h:/sys/class/misc/mtgpio # echo -wdout 59 0 > pin                   
    tpw8735b_t3h:/sys/class/misc/mtgpio # echo -wdout 59 1 > pin

    cat  /proc/interrupts 确定下中断的index

    另一种情况 

    adb shell 

    cd sys

    find . -name mt_gpio 会找到 这样类似的pin 

     sys/devices/platform/1000b000.pinctrl/mt_gpio

    cat  sys/devices/platform/1000b000.pinctrl/mt_gpio 会有 GPIO 口出现

    直接echo out pin脚号 0/1 > sys/devices/platform/1000b000.pinctrl/mt_gpio 即可

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  • 原文地址:https://www.cnblogs.com/chjgongzuo/p/7755651.html
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