attiny_lcd

code to display text on an i2c LCD disply with attiny devices

Usage

Place the files in your project directory and add #include "attiny_lcd.h" to your main .c file This project also requires attiny_i2c.c and attiny_i2c.h from my other repo. The SDA pin is set as PB0 and the SCL pin is set as PB2. This can be changed in attiny_i2c.h The address for the LCD display is set as 0x20. This can be changed in attiny_lcd.h

void init_display(void);

Setup your display.

void disp_text(char *str);

print the string at *str on the screen (cursor position is not changed before printing).

void disp_2line_text(char *str1, char *str2);

print two string onto the two lines of the display. (cursor is set to the beginning of each line before printing)

void set_backlight(bool state);

Switch On/Off the backlight of your display.

valid options:

true: Switch on backlight

false: Switch off backlight

void shift_screen(uint8_t direction, uint8_t count);

Shift the text on screen by count units left or right.

valid options:

SHIFT_LEFT: shift text by count units to the left.

SHIFT_RIGHT: shift text by count units to the right.

void configure_display(uint8_t cmd);

Change the display settings.

valid options:

CURSOR_LEFT: 0b00010000

CURSOR_RIGHT: 0b00010100

SHIFT_LEFT: 0b00011000

SHIFT_RIGHT: 0b00011100

LINE_1: 0b10000000

LINE_2: 0b11000000