Rocklizard Embedded Electronics

Electronics, Robotics and Microcontrollers

pic.rocklizard.org

Sample Code

• Printf - A set of printf-like routines in assembler.
  
• USART - Configuring and using an onboard USART in PIC assembler.
• I2C Complete - A sample project that demonstrates how to use I2C to read from a TC74 temperature sensor and store readings in an I2C EEPROM. This project also contains code for bit banged serial communications, LCD display control and other handy code including pause routines, math and bank management macros.
  

PIC Web Sites

There are several excellent PIC resources on the internet. Here are links to a few of the best.

• MIT PIC List The most complete PIC resource on the web.
• Microchip PIC Forums The official Microchip PIC forum. Lots of help and resources for the PIC processors.
  
• Elmer 160 Tutorial An excellent PIC tutorial. One of the best around. If you are new to the PIC, start here.

Resources

A question that comes up often is "how do I interface with an LCD display?" The most common LCD displays for hobbyists are based on the Hitachi HD44780 chipset. The Hitachi based displays are easy to work with once you figure out the basic steps. Here are a couple of links to get you started:

• How to control a HD44780 based LCD A tutorial and reference from Peter Ouwehand.
• HD44780 Data Sheet The Hitachi data sheet.