recipes-ti/beagleboard/beaglebone-capes/cape.sh

   1 #!/bin/sh
   2 for eeprom in /sys/bus/i2c/devices/3-005*/eeprom ; do
   3         PARTNUMBER=$(hexdump -e '8/1 "%c"' $eeprom -s 58 -n16)
   4         case $PARTNUMBER in
   5                 "BB-BONE-LCD3-01.")
   6                                 echo "Turning on backlight for LCD3 cape"
   7                                 i2cset -f -y 1 0x24 0x07 0x09
   8                                 i2cset -f -y 1 0x24 0x08 0x60;;
   9                 "BB-BONE-LCD4-01.")
  10                                 echo "Turning on backlight for LCD4 cape"
  11                                 i2cset -f -y 1 0x24 0x07 0x09
  12                                 i2cset -f -y 1 0x24 0x08 0x60;;
  13                 "BB-BONE-WTHR-01.")
  14                                 echo "Initializing I2C devices"
  15                                 echo sht21 0x40 > /sys/class/i2c-adapter/i2c-3/new_device
  16                                 echo bmp085 0x77 > /sys/class/i2c-adapter/i2c-3/new_device
  17                                 echo tsl2550 0x39 > /sys/class/i2c-adapter/i2c-3/new_device
  18                                 echo 1 > /sys/bus/i2c/devices/3-0039/operating_mode;;
  19                 *)
  20                                 echo "unknown cape: $PARTNUMBER";;
  21         esac
  22 done