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58 lines
943 B
58 lines
943 B
//
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// Example of basic LCD usage
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//
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <util/delay.h>
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#include "lib/calc.h"
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#include "lib/lcd.h"
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// Bytes for custom glyph
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// Here's a good glyph generator you can use:
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// http://omerk.github.io/lcdchargen/
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const uint8_t glyph[] PROGMEM = {
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0b00000,
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0b00111,
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0b01101,
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0b11101,
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0b10001,
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0b10001,
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0b10001,
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0b11111
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};
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void main()
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{
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lcd_init();
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// Define custom glyph at character 0
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lcd_glyph_pgm(0, glyph);
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// After writing a glyph, the address is changed
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// So we need to fix that:
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lcd_xy(0, 0);
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// Print a string
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lcd_puts("Hello");
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// Use _pgm for strings in program memory
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// Here we print string at position xy
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lcd_puts_xy_pgm(0, 1, PSTR("String from PGM "));
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// print the custom glyph
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lcd_putc(0);
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// enable blink/bar cursor type
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lcd_cursor(CURSOR_BOTH);
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lcd_puts_xy(5, 2, "Third line?");
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lcd_puts_xy(3, 3, "Fourth line!");
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// end
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while(1);
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}
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