attiny_i2c

i2c protocol for use on avr devices like attiny85

Usage

Simply copy the files to your project directory Add #include "attiny_i2c.h to your main .c file. By default the SDA pin is set as PB0 and SCL pin is set as PB2. You can change the pins in attiny_lcd.h

void init_i2c(void);

Setup the device for sending messages through i2c.

uint8_t send_bytes(uint8_t address, uint8_t *bytes, size_t size);

Send messages through i2c using this command. address is the address of the slave device. bytes is a pointer to your message. size is the number of bytes you wish to send.