You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
345 lines
13 KiB
C
345 lines
13 KiB
C
7 years ago
|
/*
|
||
|
|
* This file is part of lcd library for ssd1306/sh1106 oled-display.
|
||
|
|
*
|
||
|
|
* lcd library for ssd1306/sh1106 oled-display is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or any later version.
|
||
|
|
*
|
||
|
|
* lcd library for ssd1306/sh1106 oled-display is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
* Diese Datei ist Teil von lcd library for ssd1306/sh1106 oled-display.
|
||
|
|
*
|
||
|
|
* lcd library for ssd1306/sh1106 oled-display ist Freie Software: Sie können es unter den Bedingungen
|
||
|
|
* der GNU General Public License, wie von der Free Software Foundation,
|
||
|
|
* Version 3 der Lizenz oder jeder späteren
|
||
|
|
* veröffentlichten Version, weiterverbreiten und/oder modifizieren.
|
||
|
|
*
|
||
|
|
* lcd library for ssd1306/sh1106 oled-display wird in der Hoffnung, dass es nützlich sein wird, aber
|
||
|
|
* OHNE JEDE GEWÄHRLEISTUNG, bereitgestellt; sogar ohne die implizite
|
||
|
|
* Gewährleistung der MARKTFÄHIGKEIT oder EIGNUNG FÜR EINEN BESTIMMTEN ZWECK.
|
||
|
|
* Siehe die GNU General Public License für weitere Details.
|
||
|
|
*
|
||
|
|
* Sie sollten eine Kopie der GNU General Public License zusammen mit diesem
|
||
|
|
* Programm erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
* lcd.h
|
||
|
|
*
|
||
|
|
* Created by Michael Köhler on 22.12.16.
|
||
|
|
* Copyright 2016 Skie-Systems. All rights reserved.
|
||
|
|
*
|
||
|
|
* lib for OLED-Display with ssd1306/sh1106-Controller
|
||
|
|
* first dev-version only for I2C-Connection
|
||
|
|
* at ATMega328P like Arduino Uno
|
||
|
|
****************************************************
|
||
|
|
* For other Atmegas/Attinys: GFX-Lib needs a
|
||
|
|
* minimum of 1029 byte SRAM!
|
||
|
|
****************************************************
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
/* Standard ASCII 6x8 font */
|
||
|
|
|
||
|
|
#include "lcd.h"
|
||
|
|
#include <avr/interrupt.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
static const uint8_t ssd1306oled_font6x8 [] PROGMEM = {
|
||
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // sp
|
||
|
|
0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, // !
|
||
|
|
0x00, 0x00, 0x07, 0x00, 0x07, 0x00, // "
|
||
|
|
0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14, // #
|
||
|
|
0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12, // $
|
||
|
|
0x00, 0x62, 0x64, 0x08, 0x13, 0x23, // %
|
||
|
|
0x00, 0x36, 0x49, 0x55, 0x22, 0x50, // &
|
||
|
|
0x00, 0x00, 0x05, 0x03, 0x00, 0x00, // '
|
||
|
|
0x00, 0x00, 0x1c, 0x22, 0x41, 0x00, // (
|
||
|
|
0x00, 0x00, 0x41, 0x22, 0x1c, 0x00, // )
|
||
|
|
0x00, 0x14, 0x08, 0x3E, 0x08, 0x14, // *
|
||
|
|
0x00, 0x08, 0x08, 0x3E, 0x08, 0x08, // +
|
||
|
|
0x00, 0x00, 0x00, 0xA0, 0x60, 0x00, // ,
|
||
|
|
0x00, 0x08, 0x08, 0x08, 0x08, 0x08, // -
|
||
|
|
0x00, 0x00, 0x60, 0x60, 0x00, 0x00, // .
|
||
|
|
0x00, 0x20, 0x10, 0x08, 0x04, 0x02, // /
|
||
|
|
0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
|
||
|
|
0x00, 0x00, 0x42, 0x7F, 0x40, 0x00, // 1
|
||
|
|
0x00, 0x42, 0x61, 0x51, 0x49, 0x46, // 2
|
||
|
|
0x00, 0x21, 0x41, 0x45, 0x4B, 0x31, // 3
|
||
|
|
0x00, 0x18, 0x14, 0x12, 0x7F, 0x10, // 4
|
||
|
|
0x00, 0x27, 0x45, 0x45, 0x45, 0x39, // 5
|
||
|
|
0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
|
||
|
|
0x00, 0x01, 0x71, 0x09, 0x05, 0x03, // 7
|
||
|
|
0x00, 0x36, 0x49, 0x49, 0x49, 0x36, // 8
|
||
|
|
0x00, 0x06, 0x49, 0x49, 0x29, 0x1E, // 9
|
||
|
|
0x00, 0x00, 0x36, 0x36, 0x00, 0x00, // :
|
||
|
|
0x00, 0x00, 0x56, 0x36, 0x00, 0x00, // ;
|
||
|
|
0x00, 0x08, 0x14, 0x22, 0x41, 0x00, // <
|
||
|
|
0x00, 0x14, 0x14, 0x14, 0x14, 0x14, // =
|
||
|
|
0x00, 0x00, 0x41, 0x22, 0x14, 0x08, // >
|
||
|
|
0x00, 0x02, 0x01, 0x51, 0x09, 0x06, // ?
|
||
|
|
0x00, 0x32, 0x49, 0x59, 0x51, 0x3E, // @
|
||
|
|
0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C, // A
|
||
|
|
0x00, 0x7F, 0x49, 0x49, 0x49, 0x36, // B
|
||
|
|
0x00, 0x3E, 0x41, 0x41, 0x41, 0x22, // C
|
||
|
|
0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C, // D
|
||
|
|
0x00, 0x7F, 0x49, 0x49, 0x49, 0x41, // E
|
||
|
|
0x00, 0x7F, 0x09, 0x09, 0x09, 0x01, // F
|
||
|
|
0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A, // G
|
||
|
|
0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F, // H
|
||
|
|
0x00, 0x00, 0x41, 0x7F, 0x41, 0x00, // I
|
||
|
|
0x00, 0x20, 0x40, 0x41, 0x3F, 0x01, // J
|
||
|
|
0x00, 0x7F, 0x08, 0x14, 0x22, 0x41, // K
|
||
|
|
0x00, 0x7F, 0x40, 0x40, 0x40, 0x40, // L
|
||
|
|
0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F, // M
|
||
|
|
0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F, // N
|
||
|
|
0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E, // O
|
||
|
|
0x00, 0x7F, 0x09, 0x09, 0x09, 0x06, // P
|
||
|
|
0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
|
||
|
|
0x00, 0x7F, 0x09, 0x19, 0x29, 0x46, // R
|
||
|
|
0x00, 0x46, 0x49, 0x49, 0x49, 0x31, // S
|
||
|
|
0x00, 0x01, 0x01, 0x7F, 0x01, 0x01, // T
|
||
|
|
0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F, // U
|
||
|
|
0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F, // V
|
||
|
|
0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F, // W
|
||
|
|
0x00, 0x63, 0x14, 0x08, 0x14, 0x63, // X
|
||
|
|
0x00, 0x07, 0x08, 0x70, 0x08, 0x07, // Y
|
||
|
|
0x00, 0x61, 0x51, 0x49, 0x45, 0x43, // Z
|
||
|
|
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00, // [
|
||
|
|
0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55, // backslash
|
||
|
|
0x00, 0x00, 0x41, 0x41, 0x7F, 0x00, // ]
|
||
|
|
0x00, 0x04, 0x02, 0x01, 0x02, 0x04, // ^
|
||
|
|
0x00, 0x40, 0x40, 0x40, 0x40, 0x40, // _
|
||
|
|
0x00, 0x00, 0x01, 0x02, 0x04, 0x00, // '
|
||
|
|
0x00, 0x20, 0x54, 0x54, 0x54, 0x78, // a
|
||
|
|
0x00, 0x7F, 0x48, 0x44, 0x44, 0x38, // b
|
||
|
|
0x00, 0x38, 0x44, 0x44, 0x44, 0x20, // c
|
||
|
|
0x00, 0x38, 0x44, 0x44, 0x48, 0x7F, // d
|
||
|
|
0x00, 0x38, 0x54, 0x54, 0x54, 0x18, // e
|
||
|
|
0x00, 0x08, 0x7E, 0x09, 0x01, 0x02, // f
|
||
|
|
0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C, // g
|
||
|
|
0x00, 0x7F, 0x08, 0x04, 0x04, 0x78, // h
|
||
|
|
0x00, 0x00, 0x44, 0x7D, 0x40, 0x00, // i
|
||
|
|
0x00, 0x40, 0x80, 0x84, 0x7D, 0x00, // j
|
||
|
|
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, // k
|
||
|
|
0x00, 0x00, 0x41, 0x7F, 0x40, 0x00, // l
|
||
|
|
0x00, 0x7C, 0x04, 0x18, 0x04, 0x78, // m
|
||
|
|
0x00, 0x7C, 0x08, 0x04, 0x04, 0x78, // n
|
||
|
|
0x00, 0x38, 0x44, 0x44, 0x44, 0x38, // o
|
||
|
|
0x00, 0xFC, 0x24, 0x24, 0x24, 0x18, // p
|
||
|
|
0x00, 0x18, 0x24, 0x24, 0x18, 0xFC, // q
|
||
|
|
0x00, 0x7C, 0x08, 0x04, 0x04, 0x08, // r
|
||
|
|
0x00, 0x48, 0x54, 0x54, 0x54, 0x20, // s
|
||
|
|
0x00, 0x04, 0x3F, 0x44, 0x40, 0x20, // t
|
||
|
|
0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C, // u
|
||
|
|
0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C, // v
|
||
|
|
0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C, // w
|
||
|
|
0x00, 0x44, 0x28, 0x10, 0x28, 0x44, // x
|
||
|
|
0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C, // y
|
||
|
|
0x00, 0x44, 0x64, 0x54, 0x4C, 0x44, // z
|
||
|
|
0x00, 0x00, 0x08, 0x77, 0x41, 0x00, // {
|
||
|
|
0x00, 0x00, 0x00, 0x63, 0x00, 0x00, // ¦
|
||
|
|
0x00, 0x00, 0x41, 0x77, 0x08, 0x00, // }
|
||
|
|
0x00, 0x08, 0x04, 0x08, 0x08, 0x04, // ~
|
||
|
|
0x00, 0x3D, 0x40, 0x40, 0x20, 0x7D, // ü
|
||
|
|
0x00, 0x3D, 0x40, 0x40, 0x40, 0x3D, // Ü
|
||
|
|
0x00, 0x21, 0x54, 0x54, 0x54, 0x79, // ä
|
||
|
|
0x00, 0x7D, 0x12, 0x11, 0x12, 0x7D, // Ä
|
||
|
|
0x00, 0x39, 0x44, 0x44, 0x44, 0x39, // ö
|
||
|
|
0x00, 0x3D, 0x42, 0x42, 0x42, 0x3D, // Ö
|
||
|
|
0x00, 0x02, 0x05, 0x02, 0x00, 0x00, // °
|
||
|
|
0x00, 0x7E, 0x01, 0x49, 0x55, 0x73, // ß
|
||
|
|
};
|
||
|
|
|
||
|
|
const uint8_t init_sequence [] PROGMEM = { // Initialization Sequence
|
||
|
|
LCD_DISP_OFF, // Display OFF (sleep mode)
|
||
|
|
0x20, 0b00, // Set Memory Addressing Mode
|
||
|
|
// 00=Horizontal Addressing Mode; 01=Vertical Addressing Mode;
|
||
|
|
// 10=Page Addressing Mode (RESET); 11=Invalid
|
||
|
|
0xB0, // Set Page Start Address for Page Addressing Mode, 0-7
|
||
|
|
0xC8, // Set COM Output Scan Direction
|
||
|
|
0x00, // --set low column address
|
||
|
|
0x10, // --set high column address
|
||
|
|
0x40, // --set start line address
|
||
|
|
0x81, 0x3F, // Set contrast control register
|
||
|
|
0xA1, // Set Segment Re-map. A0=address mapped; A1=address 127 mapped.
|
||
|
|
0xA6, // Set display mode. A6=Normal; A7=Inverse
|
||
|
|
0xA8, 0x3F, // Set multiplex ratio(1 to 64)
|
||
|
|
0xA4, // Output RAM to Display
|
||
|
|
// 0xA4=Output follows RAM content; 0xA5,Output ignores RAM content
|
||
|
|
0xD3, 0x00, // Set display offset. 00 = no offset
|
||
|
|
0xD5, // --set display clock divide ratio/oscillator frequency
|
||
|
|
0xF0, // --set divide ratio
|
||
|
|
0xD9, 0x22, // Set pre-charge period
|
||
|
|
0xDA, 0x12, // Set com pins hardware configuration
|
||
|
|
0xDB, // --set vcomh
|
||
|
|
0x20, // 0x20,0.77xVcc
|
||
|
|
0x8D, 0x14, // Set DC-DC enable
|
||
|
|
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
void lcd_init(uint8_t dispAttr){
|
||
|
|
i2c_init();
|
||
|
|
uint8_t commandSequence[sizeof(init_sequence)+1];
|
||
|
|
for (uint8_t i = 0; i < sizeof (init_sequence); i++) {
|
||
|
|
commandSequence[i] = (pgm_read_byte(&init_sequence[i]));
|
||
|
|
}
|
||
|
|
commandSequence[sizeof(init_sequence)]=(dispAttr);
|
||
|
|
lcd_command(commandSequence, sizeof(commandSequence));
|
||
|
|
lcd_clrscr();
|
||
|
|
}
|
||
|
|
void lcd_home(void){
|
||
|
|
lcd_gotoxy(0, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_command(uint8_t cmd[], uint8_t size) {
|
||
|
|
i2c_start(LCD_I2C_ADDR);
|
||
|
|
i2c_byte(0x00); // 0x00 for command, 0x40 for data
|
||
|
|
for (uint8_t i=0; i<size; i++) {
|
||
|
|
i2c_byte(cmd[i]);
|
||
|
|
}
|
||
|
|
i2c_stop();
|
||
|
|
}
|
||
|
|
void lcd_data(uint8_t data[], uint16_t size) {
|
||
|
|
i2c_start(LCD_I2C_ADDR);
|
||
|
|
i2c_byte(0x40); // 0x00 for command, 0x40 for data
|
||
|
|
for (uint8_t i = 0; i<size; i++) {
|
||
|
|
i2c_byte(data[i]);
|
||
|
|
}
|
||
|
|
i2c_stop();
|
||
|
|
}
|
||
|
|
void lcd_gotoxy(uint8_t x, uint8_t y){
|
||
|
|
if( x > (DISPLAY_WIDTH/6) || y > (DISPLAY_HEIGHT/8-1)) return;// out of display
|
||
|
|
x = x * 6; // one char: 6 pixel width
|
||
|
|
#if defined SSD1306
|
||
|
|
uint8_t commandSequence[] = {0xb0+y, 0x21, x, 0x7f};
|
||
|
|
#elif defined SH1106
|
||
|
|
uint8_t commandSequence[] = {0xb0+y, 0x21, 0x00+((2+x) & (0x0f)), 0x10+( ((2+x) & (0xf0)) >> 4 ), 0x7f};
|
||
|
|
#endif
|
||
|
|
lcd_command(commandSequence, sizeof(commandSequence));
|
||
|
|
}
|
||
|
|
void lcd_clrscr(void){
|
||
|
|
uint8_t clearLine[DISPLAY_WIDTH];
|
||
|
|
memset(clearLine, 0x00, DISPLAY_WIDTH);
|
||
|
|
for (uint8_t j = 0; j <= DISPLAY_HEIGHT/8-1; j++){
|
||
|
|
lcd_gotoxy(0,j);
|
||
|
|
lcd_data(clearLine, sizeof(clearLine));
|
||
|
|
|
||
|
|
}
|
||
|
|
lcd_home();
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_putc(char c){
|
||
|
|
if((c > 127 ||
|
||
|
|
c < 32) &&
|
||
|
|
(c != 'ü' &&
|
||
|
|
c != 'ö' &&
|
||
|
|
c != '°' &&
|
||
|
|
c != 'ä' &&
|
||
|
|
c != 'ß' &&
|
||
|
|
c != 'Ü' &&
|
||
|
|
c != 'Ö' &&
|
||
|
|
c != 'Ä' ) ) return;
|
||
|
|
|
||
|
|
i2c_start(LCD_I2C_ADDR);
|
||
|
|
i2c_byte(0x40); // 0x00 for command, 0x40 for data
|
||
|
|
switch (c) {
|
||
|
|
case 'ü':
|
||
|
|
c = 95; // ü
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'ö':
|
||
|
|
c = 99; // ö
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case '°':
|
||
|
|
c = 101; // °
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'ä':
|
||
|
|
c = 97; // ä
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'ß':
|
||
|
|
c = 102; // ß
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'Ü':
|
||
|
|
c = 96; // Ü
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'Ö':
|
||
|
|
c = 100; // Ö
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'Ä':
|
||
|
|
c = 98; // Ä
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
c -= 32;
|
||
|
|
if( c < 127-32 ) {
|
||
|
|
for (uint8_t i = 0; i < 6; i++)
|
||
|
|
{
|
||
|
|
i2c_byte(pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i])); // print font to ram, print 6 columns
|
||
|
|
}
|
||
|
|
//return;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
i2c_stop();
|
||
|
|
}
|
||
|
|
void lcd_puts(const char* s){
|
||
|
|
while (*s) {
|
||
|
|
lcd_putc(*s++);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void lcd_puts_p(const char* progmem_s){
|
||
|
|
register uint8_t c;
|
||
|
|
while ((c = pgm_read_byte(progmem_s++))) {
|
||
|
|
lcd_putc(c);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void lcd_invert(uint8_t invert){
|
||
|
|
i2c_start(LCD_I2C_ADDR);
|
||
|
|
uint8_t commandSequence[1];
|
||
|
|
if (invert == YES) {
|
||
|
|
commandSequence[0] = 0xA7;
|
||
|
|
} else {
|
||
|
|
commandSequence[0] = 0xA7;
|
||
|
|
}
|
||
|
|
lcd_command(commandSequence, 1);
|
||
|
|
}
|
||
|
|
void lcd_set_contrast(uint8_t contrast){
|
||
|
|
uint8_t commandSequence[2] = {0x81, contrast};
|
||
|
|
lcd_command(commandSequence, sizeof(commandSequence));
|
||
|
|
}
|