porklib: Simple library for programming Arduino in C
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
avr-lib/examples/lcd_test.c

61 lines
926 B

//
// Example of basic LCD usage
//
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <util/delay.h>
#include "lib/calc.h"
#include "lib/lcd.h"
// Bytes for custom glyph
// Here's a good glyph generator you can use:
// http://omerk.github.io/lcdchargen/
const uint8_t glyph[] PROGMEM = {
0b00000,
0b00111,
0b01101,
0b11101,
0b10001,
0b10001,
0b10001,
0b11111
};
void main()
{
lcd_init();
// Example of using the LCD stream
put_u32f(lcd, 271828, 5);
// Print a string
lcd_puts(" Hello\r\n");
// Use _pgm for strings in program memory
// Here we print string at position xy
lcd_puts_P(PSTR("String from PGM "));
// declare custom glyph
lcd_glyph_P(0, glyph);
// and show it
lcd_putc(0);
lcd_puts(" !");
// enable blink/bar cursor type
lcd_cursor(CURSOR_BOTH);
// print at given position
lcd_puts_xy(5, 2, "Third line?");
lcd_puts_xy(3, 3, "Fourth line!");
// end
while(1);
}