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/*************************************************************************
* Arduino Text Display Library for Multiple LCDs
* Distributed under GPL v2.0
* Copyright (c) 2013 Stanley Huang <stanleyhuangyc@live.com>
* All rights reserved.
*************************************************************************/
#include <Arduino.h>
#include <Wire.h>
#include "MultiLCD.h"
void LCD_Common::printInt(unsigned int value, char padding)
{
unsigned int den = 10000;
for (byte i = 5; i > 0; i--, den /= 10) {
byte v = (byte)(value / den);
value -= v * den;
if (v == 0 && padding) {
if (padding >= i) {
writeDigit(-1);
}
continue;
}
padding = 0;
writeDigit(v);
}
}
void LCD_Common::printLong(unsigned long value, char padding)
{
unsigned long den = 1000000000;
for (byte i = 10; i > 0; i--, den /= 10) {
byte v = (byte)(value / den);
value -= v * den;
if (v == 0 && padding) {
if (padding >= i) {
writeDigit(-1);
}
continue;
}
padding = 0;
writeDigit(v);
}
}
void LCD_ZTOLED::setCursor(byte column, byte line)
{
m_column = column;
m_page = line;
ScI2cMxSetLocation(OLED_ADDRESS, m_page, m_column);
delay(1);
}
size_t LCD_ZTOLED::write(uint8_t c)
{
if (m_font == FONT_SIZE_SMALL) {
if (c <= 0x20 || c >= 0x7f) {
ScI2cMxFillArea(OLED_ADDRESS, m_column, m_column + 5, m_page, m_page, 0);
} else {
setCursor(m_column, m_page);
ScI2cMxDisplayDot(OLED_ADDRESS, font5x8[c - 0x21], 5);
}
m_column += 6;
} else {
char s[2] = {c};
ScI2cMxDisplay8x16Str(OLED_ADDRESS, m_page, m_column, s);
m_column += 8;
if (m_column >= 128) {
m_column = 0;
m_page += 2;
}
}
return 1;
}
/*
void LCD_ZTOLED::print(const char* s)
{
ScI2cMxDisplay8x16Str(OLED_ADDRESS, m_page, m_column, s);
m_column += (strlen(s) << 3);
m_page += (m_column >> 7) << 1;
m_column %= 0x7f;
}
*/
void LCD_ZTOLED::writeDigit(byte n)
{
if (n > 9) return;
if (m_font == FONT_SIZE_SMALL) {
setCursor(m_column, m_page);
ScI2cMxDisplayDot(OLED_ADDRESS, font5x8[n + ('0' - 0x21)], 5);
m_column += 6;
} else if (m_font == FONT_SIZE_MEDIUM) {
ScI2cMxDisplayDot(OLED_ADDRESS, digits8x8[n], 8);
m_column += 8;
} else if (m_font == FONT_SIZE_LARGE) {
write('0' + n);
} else {
unsigned char data[32];
if (n >= 0 && n <= 9) {
memcpy_P(data, digits16x16[n], 32);
} else {
memset(data, 0, sizeof(data));
}
ScI2cMxDisplayDot16x16(OLED_ADDRESS, m_page, m_column, data);
m_column += 16;
}
}
void LCD_ZTOLED::clear()
{
ScI2cMxFillArea(OLED_ADDRESS, 0, 7, 0, 127, 0);
delay(10);
setCursor(0, 0);
}
void LCD_ZTOLED::begin()
{
I2cInit();
ScI2cMxReset(OLED_ADDRESS);
delay(10);
}
void LCD_PCD8544::writeDigit(byte n)
{
if (m_font == FONT_SIZE_SMALL) {
write(n >= 0 && n <= 9 ? '0' + n : ' ');
} else if (m_font == FONT_SIZE_MEDIUM) {
unsigned char data[8];
if (n >= 0 && n <= 9) {
memcpy_P(data, digits8x8[n], 8);
} else {
memset(data, 0, sizeof(data));
}
draw8x8(data);
} else {
unsigned char data[32];
if (n >= 0 && n <= 9) {
memcpy_P(data, digits16x16[n], 32);
} else {
memset(data, 0, sizeof(data));
}
draw16x16(data);
//column += 16;
}
}
void LCD_PCD8544::draw(const unsigned char *data, unsigned char x, unsigned char y, unsigned char width, unsigned char height)
{
height >>= 3;
for (unsigned char y = 0; y < height; y++) {
setCursor(x, y);
for (unsigned char x = 0; x < width; x++) {
send(PCD8544_DATA, data[y * width + x]);
}
}
}
void LCD_SSD1306::setCursor(byte column, byte line)
{
m_col = column;
m_row = line;
ssd1306_command(0xB0 + m_row);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
}
size_t LCD_SSD1306::write(uint8_t c)
{
if (m_font == FONT_SIZE_SMALL) {
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
if (c > 0x20 && c < 0x7f) {
c -= 0x21;
for (byte i = 0; i < 5; i++) {
Wire.write(pgm_read_byte_near(&font5x8[c][i]));
}
Wire.write(0);
} else {
for (byte i = 0; i < 6; i++) {
Wire.write(0);
}
}
Wire.endTransmission();
m_col += 8;
} else {
if (c > 0x20 && c < 0x7f) {
c -= 0x21;
ssd1306_command(0xB0 + m_row);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 0; i <= 14; i += 2) {
Wire.write(pgm_read_byte_near(&font8x16_terminal[c][i]));
}
Wire.endTransmission();
ssd1306_command(0xB0 + m_row + 1);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 1; i <= 15; i += 2) {
Wire.write(pgm_read_byte_near(&font8x16_terminal[c][i]));
}
Wire.endTransmission();
} else {
ssd1306_command(0xB0 + m_row);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 0; i < 8; i ++) {
Wire.write(0);
}
Wire.endTransmission();
ssd1306_command(0xB0 + m_row + 1);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 0; i < 8; i ++) {
Wire.write(0);
}
Wire.endTransmission();
}
m_col += 9;
}
return 1;
}
void LCD_SSD1306::writeDigit(byte n)
{
if (n > 9) return;
uint8_t twbrbackup = TWBR;
TWBR = 18; // upgrade to 400KHz!
if (m_font == FONT_SIZE_SMALL) {
n += '0' - 0x21;
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 0; i < 5; i++) {
Wire.write(pgm_read_byte_near(&font5x8[n][i]));
}
Wire.write(0);
Wire.endTransmission();
m_col += 6;
} else if (m_font == FONT_SIZE_MEDIUM) {
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 0; i < 8; i++) {
Wire.write(pgm_read_byte_near(&digits8x8[n][i]));
}
Wire.endTransmission();
m_col += 8;
} else if (m_font == FONT_SIZE_LARGE) {
n += '0' - 0x21;
ssd1306_command(0xB0 + m_row);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 0; i <= 14; i += 2) {
Wire.write(pgm_read_byte_near(&font8x16_terminal[n][i]));
}
Wire.endTransmission();
ssd1306_command(0xB0 + m_row + 1);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte i = 1; i <= 15; i += 2) {
Wire.write(pgm_read_byte_near(&font8x16_terminal[n][i]));
}
Wire.endTransmission();
m_col += 9;
} else if (m_font == FONT_SIZE_XLARGE) {
byte i;
ssd1306_command(0xB0 + m_row);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (i = 0; i < 16; i ++) {
Wire.write(pgm_read_byte_near(&digits16x16[n][i]));
}
Wire.endTransmission();
ssd1306_command(0xB0 + m_row + 1);//set page address
ssd1306_command(m_col & 0xf);//set lower column address
ssd1306_command(0x10 | (m_col >> 4));//set higher column address
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (; i < 32; i ++) {
Wire.write(pgm_read_byte_near(&digits16x16[n][i]));
}
Wire.endTransmission();
m_col += 16;
}
TWBR = twbrbackup;
}
void LCD_SSD1306::draw(const PROGMEM byte* buffer, byte x, byte y, byte width, byte height)
{
ssd1306_command(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0
ssd1306_command(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0
ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0
// save I2C bitrate
uint8_t twbrbackup = TWBR;
TWBR = 18; // upgrade to 400KHz!
const PROGMEM byte *p = buffer;
height >>= 3;
width >>= 3;
y >>= 3;
for (byte i = 0; i < height; i++) {
// send a bunch of data in one xmission
ssd1306_command(0xB0 + i + y);//set page address
ssd1306_command(x & 0xf);//set lower column address
ssd1306_command(0x10 | (x >> 4));//set higher column address
for(byte j = 0; j < 8; j++){
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte k = 0; k < width; k++, p++) {
Wire.write(pgm_read_byte_near(p));
}
Wire.endTransmission();
}
}
TWBR = twbrbackup;
}
void LCD_SSD1306::clearLine(byte line)
{
ssd1306_command(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0
ssd1306_command(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0
ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0
// save I2C bitrate
uint8_t twbrbackup = TWBR;
TWBR = 18; // upgrade to 400KHz!
// send a bunch of data in one xmission
ssd1306_command(0xB0 + line);//set page address
ssd1306_command(0);//set lower column address
ssd1306_command(0x10);//set higher column address
for(byte j = 0; j < 8; j++){
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte k = 0; k < 16; k++) {
Wire.write(0);
}
Wire.endTransmission();
}
TWBR = twbrbackup;
}
void LCD_SSD1306::clear(byte x, byte y, byte width, byte height)
{
ssd1306_command(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0
ssd1306_command(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0
ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0
// save I2C bitrate
uint8_t twbrbackup = TWBR;
TWBR = 18; // upgrade to 400KHz!
height >>= 3;
width >>= 3;
y >>= 3;
for (byte i = 0; i < height; i++) {
// send a bunch of data in one xmission
ssd1306_command(0xB0 + i + y);//set page address
ssd1306_command(x & 0xf);//set lower column address
ssd1306_command(0x10 | (x >> 4));//set higher column address
for(byte j = 0; j < 8; j++){
Wire.beginTransmission(_i2caddr);
Wire.write(0x40);
for (byte k = 0; k < width; k++) {
Wire.write(0);
}
Wire.endTransmission();
}
}
TWBR = twbrbackup;
}
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