STC3117_LinuxDriver

STC3117 Gas gauge driver for Linux with DeviceTree

Kernel version:

Tested with Linux Kernel v4.19.108 on Raspberry Pi 3

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• Compilation notes

  • To compile the kernel on PC:
    KERNEL=kernel7
    make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcm2709_defconfig
    make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- menuconfig
    make -j4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage modules dtbs
    

  • To install the modules:
    sudo env PATH=$PATH make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- INSTALL_MOD_PATH=mnt/ext4 modules_install
    sudo env PATH=$PATH make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- INSTALL_MOD_PATH=../modules modules_install
    

  • To compile DeviceTree
    make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- dtbs
    

In config.txt file:
dtoverlay=stc3117

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• Notes:
  If the driver is compiled as MODULE, To call the module:
  sudo modprobe stc3117_battery
  lsmod
  

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Hardware

• STC3117 daughter board connected to Raspberry Pi