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Update lcd.c

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- improved lcd_putc() function
- fix lcd_invert()
pull/7/head
Sylaina 6 years ago committed by GitHub
parent 416ea430a4
commit 827aa808dd
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1 changed files with 130 additions and 305 deletions
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lcd.c
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@ -15,22 +15,22 @@
*
* 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
* lcd library for ssd1306/sh1106 oled-display ist Freie Software: Sie kÃnnen 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.
* Version 3 der Lizenz oder jeder späteren
* verÃffentlichten 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.
* 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.
* Created by Michael Koehler on 22.12.16.
* Copyright 2016 Skie-Systems. All rights reserved.
*
* lib for OLED-Display with ssd1306/sh1106-Controller
@ -42,151 +42,53 @@
*/
#include "lcd.h"
#include "font.h"
#include <string.h>
uint8_t cursorPosition=0;
/* TODO: setUp Font*/
const char *font = ssd1306oled_font6x8;
static struct {
uint8_t x;
uint8_t y;
} cursorPosition;
#if defined GRAPHICMODE
#include <stdlib.h>
static uint8_t displayBuffer[DISPLAYSIZE];
uint16_t actualIndex = 0;
#endif
/* Standard ASCII 6x8 font */
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
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
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
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
};
#pragma mark LCD COMMUNICATION
void lcd_command(uint8_t cmd[], uint8_t size) {
i2c_start(LCD_I2C_ADR);
i2c_start((LCD_I2C_ADR << 1) | 0);
i2c_byte(0x00); // 0x00 for command, 0x40 for data
for (uint8_t i=0; i<size; i++) {
i2c_byte(cmd[i]);
@ -194,13 +96,15 @@ void lcd_command(uint8_t cmd[], uint8_t size) {
i2c_stop();
}
void lcd_data(uint8_t data[], uint16_t size) {
i2c_start(LCD_I2C_ADR);
i2c_start((LCD_I2C_ADR << 1) | 0);
i2c_byte(0x40); // 0x00 for command, 0x40 for data
for (uint16_t i = 0; i<size; i++) {
i2c_byte(data[i]);
}
i2c_stop();
}
#pragma mark -
#pragma mark GENERAL FUNKTIONS
void lcd_init(uint8_t dispAttr){
i2c_init();
uint8_t commandSequence[sizeof(init_sequence)+1];
@ -215,7 +119,7 @@ void lcd_home(void){
lcd_gotoxy(0, 0);
}
void lcd_invert(uint8_t invert){
i2c_start(LCD_I2C_ADR);
i2c_start((LCD_I2C_ADR << 1) | 0);
uint8_t commandSequence[1];
if (invert == YES) {
commandSequence[0] = 0xA7;
@ -240,6 +144,8 @@ void lcd_puts_p(const char* progmem_s){
}
}
#if defined TEXTMODE
#pragma mark -
#pragma mark TEXTMODE
void lcd_clrscr(void){
uint8_t clearLine[DISPLAY_WIDTH];
memset(clearLine, 0x00, DISPLAY_WIDTH);
@ -252,7 +158,8 @@ void lcd_clrscr(void){
}
void lcd_gotoxy(uint8_t x, uint8_t y) {
if( x > (DISPLAY_WIDTH/6) || y > (DISPLAY_HEIGHT/8-1)) return;// out of display
cursorPosition=x;
cursorPosition.x=x;
cursorPosition.y=y;
x = x * 6; // one char: 6 pixel width
#if defined SSD1306
uint8_t commandSequence[] = {0xb0+y, 0x21, x, 0x7f};
@ -262,91 +169,48 @@ void lcd_gotoxy(uint8_t x, uint8_t y) {
lcd_command(commandSequence, sizeof(commandSequence));
}
void lcd_putc(char c){
if((c > 127 ||
cursorPosition > 20 ||
c < 32) &&
(c != 'ü' &&
c != 'ö' &&
c != '°' &&
c != 'ä' &&
c != 'ß' &&
c != 'Ü' &&
c != 'Ö' &&
c != 'Ä' ) ) return;
cursorPosition++;
i2c_start(LCD_I2C_ADR);
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();
switch (c) {
case '\t':
// tab
if( (cursorPosition.x+4) < (DISPLAY_WIDTH/6-4) ){
lcd_gotoxy(cursorPosition.x+4, cursorPosition.y);
}else{
lcd_gotoxy(DISPLAY_WIDTH/6, cursorPosition.y);
}
break;
case '\n':
// linefeed
if(cursorPosition.y < (DISPLAY_HEIGHT/8-1)){
lcd_gotoxy(cursorPosition.x, ++cursorPosition.y);
}
break;
case '\r':
// carrige return
lcd_gotoxy(0, cursorPosition.y);
break;
default:
if((c > 127 ||
cursorPosition.x > 20 ||
c < 32) &&
(getCharCode(c) > 0) ) return;
cursorPosition.x++;
// mapping char
c=getCharCode(c);
uint8_t temp;
// print char at display
for (uint8_t i = 0; i < 6; i++)
{
// load bit-pattern from flash
temp=pgm_read_byte(&font[c * 6 + i]);
lcd_data((void*)&temp,1); // print font to ram, print 6 columns
}
break;
}
}
#elif defined GRAPHICMODE
#pragma mark -
#pragma mark GRAPHICMODE
void lcd_clrscr(void){
memset(displayBuffer, 0x00, sizeof(displayBuffer));
#if defined SSD1306
@ -365,7 +229,8 @@ void lcd_clrscr(void){
}
void lcd_gotoxy(uint8_t x, uint8_t y){
if( x > (DISPLAY_WIDTH/6) || y > (DISPLAY_HEIGHT/8-1)) return;// out of display
cursorPosition=x;
cursorPosition.x=x;
cursorPosition.y=y;
x = x * 6; // one char: 6 pixel width
actualIndex = (x)+(y*DISPLAY_WIDTH);
#if defined SSD1306
@ -376,86 +241,46 @@ void lcd_gotoxy(uint8_t x, uint8_t y){
lcd_command(commandSequence, sizeof(commandSequence));
}
void lcd_putc(char c){
if((actualIndex+1)%127 != 0){
if((c > 127 ||
cursorPosition > 20 ||
c < 32) &&
(c != 'ü' &&
c != 'ö' &&
c != '°' &&
c != 'ä' &&
c != 'ß' &&
c != 'Ü' &&
c != 'Ö' &&
c != 'Ä' ) ) return;
cursorPosition++;
switch (c) {
case 'ü':
c = 95; // ü - 188
for (uint8_t i = 0; i < 6; i++)
{
displayBuffer[actualIndex+i] = 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++)
{
displayBuffer[actualIndex+i] = 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++)
{
displayBuffer[actualIndex+i] = 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++)
{
displayBuffer[actualIndex+i] = 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++)
{
displayBuffer[actualIndex+i] = 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++)
{
displayBuffer[actualIndex+i] = 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++)
{
displayBuffer[actualIndex+i] = 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++)
{
displayBuffer[actualIndex+i] = pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i]); // print font to ram, print 6 columns
}
break;
default:
c -= 32;
for (uint8_t i = 0; i < 6; i++)
{
displayBuffer[actualIndex+i] = pgm_read_byte(&ssd1306oled_font6x8[c * 6 + i]);
}
break;
}
}
actualIndex += 6;
switch (c) {
case '\t':
// tab
if( (cursorPosition.x+4) < (DISPLAY_WIDTH/6-4) ){
lcd_gotoxy(cursorPosition.x+4, cursorPosition.y);
}else{
lcd_gotoxy(DISPLAY_WIDTH/6, cursorPosition.y);
}
break;
case '\n':
// linefeed
if(cursorPosition.y < (DISPLAY_HEIGHT/8-1)){
lcd_gotoxy(cursorPosition.x, ++cursorPosition.y);
}
break;
case '\r':
// carrige return
lcd_gotoxy(0, cursorPosition.y);
break;
default:
if((actualIndex+1)%127 != 0){
if((c > 127 ||
cursorPosition.x > 20 ||
c < 32) &&
(getCharCode(c) > 0) ) return;
cursorPosition.x++;
// mapping char
c=getCharCode(c);
// print char at display
for (uint8_t i = 0; i < 6; i++)
{
// load bit-pattern from flash
displayBuffer[actualIndex+i] =pgm_read_byte(&font[c * 6 + i]);
}
}
actualIndex += 6;
break;
}
}
void lcd_drawPixel(uint8_t x, uint8_t y, uint8_t color){

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