The PCF8574 is a silicon CMOS circuit. It provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I2C-bus).
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PCF8574 lib is an AVR Atmega library for the PCF8574 i2c IO port expander. This library can run up to 8 PCF8574, it can read and write port status, and allows you to expand your Atmega ports.
Setup parameters can be found in file pcf8574.h
This library was developed on Eclipse, built with avr-gcc on Atmega8 @ 1MHz.
Code
Notes
PCF8574 lib is an AVR Atmega library for the PCF8574 i2c IO port expander. This library can run up to 8 PCF8574, it can read and write port status, and allows you to expand your Atmega ports.
Setup parameters can be found in file pcf8574.h
This library was developed on Eclipse, built with avr-gcc on Atmega8 @ 1MHz.
Code
- download src: avr_lib_pcf8574_01.zip
Notes
- read risk disclaimer
- excuse my bad english