mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-27 01:56:14 +01:00
43319fd3dd
Add new read/write functions to I2CManager class, and modify the LCD, OLED and PWM classes to use them effectively.
208 lines
8.1 KiB
C
208 lines
8.1 KiB
C
/* Based on Arduino SSD1306Ascii Library, Copyright (C) 2015 by William Greiman
|
|
* Modifications (C) 2021 Neil McKechnie
|
|
*
|
|
* This Library 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
|
|
* (at your option) any later version.
|
|
*
|
|
* This Library 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 the Arduino SSD1306Ascii Library. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file SSD1306init.h
|
|
* @brief Display controller initialization commands.
|
|
*/
|
|
#ifndef SSD1306init_h
|
|
#define SSD1306init_h
|
|
//------------------------------------------------------------------------------
|
|
#ifndef __AVR__
|
|
/** Handle AVR flash addressing. */
|
|
#define MEM_TYPE
|
|
#else // __AVR__
|
|
#define MEM_TYPE __attribute__ ((progmem))
|
|
#endif // __AVR__
|
|
//------------------------------------------------------------------------------
|
|
/** Set Lower Column Start Address for Page Addressing Mode. */
|
|
#define SSD1306_SETLOWCOLUMN 0x00
|
|
/** Set Higher Column Start Address for Page Addressing Mode. */
|
|
#define SSD1306_SETHIGHCOLUMN 0x10
|
|
/** Set Memory Addressing Mode. */
|
|
#define SSD1306_MEMORYMODE 0x20
|
|
/** Set display RAM display start line register from 0 - 63. */
|
|
#define SSD1306_SETSTARTLINE 0x40
|
|
/** Set Display Contrast to one of 256 steps. */
|
|
#define SSD1306_SETCONTRAST 0x81
|
|
/** Enable or disable charge pump. Follow with 0X14 enable, 0X10 disable. */
|
|
#define SSD1306_CHARGEPUMP 0x8D
|
|
/** Set Segment Re-map between data column and the segment driver. */
|
|
#define SSD1306_SEGREMAP 0xA0
|
|
/** Resume display from GRAM content. */
|
|
#define SSD1306_DISPLAYALLON_RESUME 0xA4
|
|
/** Force display on regardless of GRAM content. */
|
|
#define SSD1306_DISPLAYALLON 0xA5
|
|
/** Set Normal Display. */
|
|
#define SSD1306_NORMALDISPLAY 0xA6
|
|
/** Set Inverse Display. */
|
|
#define SSD1306_INVERTDISPLAY 0xA7
|
|
/** Set Multiplex Ratio from 16 to 63. */
|
|
#define SSD1306_SETMULTIPLEX 0xA8
|
|
/** Set Display off. */
|
|
#define SSD1306_DISPLAYOFF 0xAE
|
|
/** Set Display on. */
|
|
#define SSD1306_DISPLAYON 0xAF
|
|
/**Set GDDRAM Page Start Address. */
|
|
#define SSD1306_SETSTARTPAGE 0XB0
|
|
/** Set COM output scan direction normal. */
|
|
#define SSD1306_COMSCANINC 0xC0
|
|
/** Set COM output scan direction reversed. */
|
|
#define SSD1306_COMSCANDEC 0xC8
|
|
/** Set Display Offset. */
|
|
#define SSD1306_SETDISPLAYOFFSET 0xD3
|
|
/** Sets COM signals pin configuration to match the OLED panel layout. */
|
|
#define SSD1306_SETCOMPINS 0xDA
|
|
/** This command adjusts the VCOMH regulator output. */
|
|
#define SSD1306_SETVCOMDETECT 0xDB
|
|
/** Set Display Clock Divide Ratio/ Oscillator Frequency. */
|
|
#define SSD1306_SETDISPLAYCLOCKDIV 0xD5
|
|
/** Set Pre-charge Period */
|
|
#define SSD1306_SETPRECHARGE 0xD9
|
|
/** Deactivate scroll */
|
|
#define SSD1306_DEACTIVATE_SCROLL 0x2E
|
|
/** No Operation Command. */
|
|
#define SSD1306_NOP 0XE3
|
|
//------------------------------------------------------------------------------
|
|
/** Set Pump voltage value: (30H~33H) 6.4, 7.4, 8.0 (POR), 9.0. */
|
|
#define SH1106_SET_PUMP_VOLTAGE 0X30
|
|
/** First byte of set charge pump mode */
|
|
#define SH1106_SET_PUMP_MODE 0XAD
|
|
/** Second byte charge pump on. */
|
|
#define SH1106_PUMP_ON 0X8B
|
|
/** Second byte charge pump off. */
|
|
#define SH1106_PUMP_OFF 0X8A
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
* @struct DevType
|
|
* @brief Device initialization structure.
|
|
*/
|
|
struct DevType {
|
|
/**
|
|
* Pointer to initialization command bytes.
|
|
*/
|
|
const uint8_t* initcmds;
|
|
/**
|
|
* Number of initialization bytes.
|
|
*/
|
|
const uint8_t initSize;
|
|
/**
|
|
* Width of the diaplay in pixels.
|
|
*/
|
|
const uint8_t lcdWidth;
|
|
/**
|
|
* Height of the display in pixels.
|
|
*/
|
|
const uint8_t lcdHeight;
|
|
/**
|
|
* Column offset RAM to display. Used to pick start column of SH1106.
|
|
*/
|
|
const uint8_t colOffset;
|
|
};
|
|
//------------------------------------------------------------------------------
|
|
// this section is based on https://github.com/adafruit/Adafruit_SSD1306
|
|
/** Initialization commands for a 128x32 SSD1306 oled display. */
|
|
static const uint8_t MEM_TYPE Adafruit128x32init[] = {
|
|
// Init sequence for Adafruit 128x32 OLED module
|
|
0x00, // Set to command mode
|
|
SSD1306_DISPLAYOFF,
|
|
SSD1306_SETDISPLAYCLOCKDIV, 0x80, // the suggested ratio 0x80
|
|
SSD1306_SETMULTIPLEX, 0x1F, // ratio 32
|
|
SSD1306_SETDISPLAYOFFSET, 0x0, // no offset
|
|
SSD1306_SETSTARTLINE | 0x0, // line #0
|
|
SSD1306_CHARGEPUMP, 0x14, // internal vcc
|
|
SSD1306_MEMORYMODE, 0x02, // page mode
|
|
SSD1306_SEGREMAP | 0x1, // column 127 mapped to SEG0
|
|
SSD1306_COMSCANDEC, // column scan direction reversed
|
|
SSD1306_SETCOMPINS, 0x02, // sequential COM pins, disable remap
|
|
SSD1306_SETCONTRAST, 0x7F, // contrast level 127
|
|
SSD1306_SETPRECHARGE, 0xF1, // pre-charge period (1, 15)
|
|
SSD1306_SETVCOMDETECT, 0x40, // vcomh regulator level
|
|
SSD1306_DISPLAYALLON_RESUME,
|
|
SSD1306_NORMALDISPLAY,
|
|
SSD1306_DISPLAYON
|
|
};
|
|
/** Initialize a 128x32 SSD1306 oled display. */
|
|
static const DevType MEM_TYPE Adafruit128x32 = {
|
|
Adafruit128x32init,
|
|
sizeof(Adafruit128x32init),
|
|
128,
|
|
32,
|
|
0
|
|
};
|
|
//------------------------------------------------------------------------------
|
|
// This section is based on https://github.com/adafruit/Adafruit_SSD1306
|
|
/** Initialization commands for a 128x64 SSD1306 oled display. */
|
|
static const uint8_t MEM_TYPE Adafruit128x64init[] = {
|
|
// Init sequence for Adafruit 128x64 OLED module
|
|
0x00, // Set to command mode
|
|
SSD1306_DISPLAYOFF,
|
|
SSD1306_SETDISPLAYCLOCKDIV, 0x80, // the suggested ratio 0x80
|
|
SSD1306_SETMULTIPLEX, 0x3F, // ratio 64
|
|
SSD1306_SETDISPLAYOFFSET, 0x0, // no offset
|
|
SSD1306_SETSTARTLINE | 0x0, // line #0
|
|
SSD1306_CHARGEPUMP, 0x14, // internal vcc
|
|
SSD1306_MEMORYMODE, 0x02, // page mode
|
|
SSD1306_SEGREMAP | 0x1, // column 127 mapped to SEG0
|
|
SSD1306_COMSCANDEC, // column scan direction reversed
|
|
SSD1306_SETCOMPINS, 0x12, // alt COM pins, disable remap
|
|
SSD1306_SETCONTRAST, 0x7F, // contrast level 127
|
|
SSD1306_SETPRECHARGE, 0xF1, // pre-charge period (1, 15)
|
|
SSD1306_SETVCOMDETECT, 0x40, // vcomh regulator level
|
|
SSD1306_DISPLAYALLON_RESUME,
|
|
SSD1306_NORMALDISPLAY,
|
|
SSD1306_DISPLAYON
|
|
};
|
|
/** Initialize a 128x64 oled display. */
|
|
static const DevType MEM_TYPE Adafruit128x64 = {
|
|
Adafruit128x64init,
|
|
sizeof(Adafruit128x64init),
|
|
128,
|
|
64,
|
|
0
|
|
};
|
|
//------------------------------------------------------------------------------
|
|
// This section is based on https://github.com/stanleyhuangyc/MultiLCD
|
|
/** Initialization commands for a 128x64 SH1106 oled display. */
|
|
static const uint8_t MEM_TYPE SH1106_128x64init[] = {
|
|
0x00, // Set to command mode
|
|
SSD1306_DISPLAYOFF,
|
|
SSD1306_SETSTARTPAGE | 0X0, // set page address
|
|
SSD1306_SETCONTRAST, 0x80, // 128
|
|
SSD1306_SEGREMAP | 0X1, // set segment remap
|
|
SSD1306_NORMALDISPLAY, // normal / reverse
|
|
SSD1306_SETMULTIPLEX, 0x3F, // ratio 64
|
|
SH1106_SET_PUMP_MODE, SH1106_PUMP_ON, // set charge pump enable
|
|
SH1106_SET_PUMP_VOLTAGE | 0X2, // 8.0 volts
|
|
SSD1306_COMSCANDEC, // Com scan direction
|
|
SSD1306_SETDISPLAYOFFSET, 0X00, // set display offset
|
|
SSD1306_SETDISPLAYCLOCKDIV, 0X80, // set osc division
|
|
SSD1306_SETPRECHARGE, 0X1F, // set pre-charge period
|
|
SSD1306_SETCOMPINS, 0X12, // set COM pins
|
|
SSD1306_SETVCOMDETECT, 0x40, // set vcomh
|
|
SSD1306_DISPLAYON
|
|
};
|
|
/** Initialize a 128x64 oled SH1106 display. */
|
|
static const DevType MEM_TYPE SH1106_128x64 = {
|
|
SH1106_128x64init,
|
|
sizeof(SH1106_128x64init),
|
|
128,
|
|
64,
|
|
2 // SH1106 is a 132x64 controller. Use middle 128 columns.
|
|
};
|
|
#endif // SSD1306init_h
|