Nokia 5110 LCD Driver displaying Daisy's Status

Code and scripts to control an LCD displaying Daisy's Status.

status.sh prints following status information:

• WiFi connection (iwconfig)
• WiFi IP (ifconfig)
• Ping Jetson board (daisy)

Setup

• Connect according to the pinout to a 3.3V power supply.

LCD	Pi (see disp.c)	Gertboard
RST	BCM 27	GP21
CE	BCM 22	GP22
DC	BCM 23	GP23
DIN	BCM 24	GP24
CLK	BCM 25	GP25
VCC	not connected	3V3
LIGHT	not connected	GND
GND	not connected	GND

• Clone this repo to Daisy's Pi, here: /home/pi/status-lcd.

• Install Linux Kernel Headers.

  sudo apt-get install raspberrypi-kernel-headers

• Build by calling make in this directory on the Pi.

• Add following lines to /etc/rc.local to start the status display at boot.

  # status display
  /home/pi/status-lcd/prepare.sh
  insmod /home/pi/status-lcd/lcd5110.ko
  /home/pi/status-lcd/status.sh > /dev/lcd5110 &
  echo "endlessly write the Pi's status to the Nokia5110 LCD"

  Prepare and load the driver (sudo prepare.sh, sudo insmod lcd5110.ko). Finally start the status.sh script that continuously prints the status to stdout which is forwarded to the LCD.

License Information

This repo has been forked: Original Repo by Christian Hirsch. Code is licensed under Dual BSD/GPL (GPLv2 or BSD choice). Following changes have been made: added the status.sh script, changed pinout and added instructions.

References

• Original Repo
• Kernel Headers
• Kernel Module Tutorial