Mark van Renswoude
b20ce09a2c
OLED worked, displaying large digits worked, reading VCC level worked, started refactoring. Does not currently build, but I'm too tired to figure it out right now.
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/**
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* SSD1306xLED - Drivers for SSD1306 controlled dot matrix OLED/PLED 128x64 displays
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*
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* @created: 2014-08-12
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* @author: Neven Boyanov
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*
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* This is part of the Tinusaur/SSD1306xLED project.
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*
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* Copyright (c) 2016 Neven Boyanov, Tinusaur Team. All Rights Reserved.
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* Distributed as open source software under MIT License, see LICENSE.txt file.
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* Please, as a favor, retain the link http://tinusaur.org to The Tinusaur Project.
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*
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* Source code available at: https://bitbucket.org/tinusaur/ssd1306xled
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*
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*/
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// ============================================================================
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#include <stdlib.h>
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include "ssd1306xled.h"
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#include "ssd1306xled8x16.h"
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#include "font8x16.h"
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// ----------------------------------------------------------------------------
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/*
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// NOTE: DOES NOT WORK
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void ssd1306_char_font8x16(char ch) {
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uint8_t c = ch - 32;
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ssd1306_send_data_start();
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for (uint8_t i = 0; i < 8; i++)
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{
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ssd1306_send_byte(pgm_read_byte(&ssd1306xled_font8x16[c * 16 + i]));
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ssd1306_send_byte(pgm_read_byte(&ssd1306xled_font8x16[c * 16 + i + 8]));
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}
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ssd1306_send_data_stop();
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}
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// NOTE: DOES NOT WORK
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void ssd1306_string_font8x16(char *s) {
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while (*s) {
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ssd1306_char_font8x16(*s++);
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}
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}
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*/
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void ssd1306_string_font8x16xy(uint8_t x, uint8_t y, const char s[]) {
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uint8_t ch, j = 0;
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while (s[j] != '\0') {
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ch = s[j] - 32;
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if (x > 120) {
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x = 0;
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y++;
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}
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ssd1306_setpos(x, y);
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ssd1306_send_data_start();
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for (uint8_t i = 0; i < 8; i++) {
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ssd1306_send_byte(pgm_read_byte(&ssd1306xled_font8x16[ch * 16 + i]));
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}
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ssd1306_send_data_stop();
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ssd1306_setpos(x, y + 1);
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ssd1306_send_data_start();
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for (uint8_t i = 0; i < 8; i++) {
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ssd1306_send_byte(pgm_read_byte(&ssd1306xled_font8x16[ch * 16 + i + 8]));
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}
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ssd1306_send_data_stop();
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x += 8;
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j++;
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}
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}
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// ============================================================================
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