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127 lines
3.9 KiB
127 lines
3.9 KiB
/*
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MIT License
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Copyright (c) 2017-2018, Alexey Dynda
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "oled_sh1106.h"
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#include "lcd_common.h"
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#include "ssd1306_commands.h"
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#include "intf/ssd1306_interface.h"
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#include "intf/i2c/ssd1306_i2c.h"
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#include "intf/spi/ssd1306_spi.h"
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#include "ssd1306_hal/io.h"
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#ifdef SDL_EMULATION
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#include "sdl_core.h"
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#endif
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static const uint8_t PROGMEM s_oled128x64_initData[] =
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{
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#ifdef SDL_EMULATION
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SDL_LCD_SH1106,
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0x00,
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#endif
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SSD1306_DISPLAYOFF, // display off
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SSD1306_COMSCANDEC, // Scan from 127 to 0 (Reverse scan)
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SSD1306_SETSTARTLINE | 0x00, // First line to start scanning from
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SSD1306_SETCONTRAST, 0x7F, // contast value to 0x7F according to datasheet
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SSD1306_SEGREMAP | 0x01, // Use reverse mapping. 0x00 - is normal mapping
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SSD1306_NORMALDISPLAY,
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SSD1306_SETMULTIPLEX, 63, // Reset to default MUX. See datasheet
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SSD1306_SETDISPLAYOFFSET, 0x00, // no offset
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SSD1306_SETDISPLAYCLOCKDIV, 0x80,// set to default ratio/osc frequency
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SSD1306_SETPRECHARGE, 0x22, // switch precharge to 0x22 // 0xF1
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SSD1306_SETCOMPINS, 0x12, // set divide ratio
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SSD1306_SETVCOMDETECT, 0x20, // vcom deselect to 0x20 // 0x40
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SSD1306_CHARGEPUMP, 0x14, // Enable charge pump
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SSD1306_DISPLAYALLON_RESUME,
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SSD1306_DISPLAYON
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};
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static uint8_t s_column;
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static uint8_t s_page;
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static void sh1106_setBlock(lcduint_t x, lcduint_t y, lcduint_t w)
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{
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s_column = x;
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s_page = y;
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ssd1306_intf.start();
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if (ssd1306_intf.spi)
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ssd1306_spiDataMode(0);
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else
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ssd1306_intf.send(0x00);
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ssd1306_intf.send(SSD1306_SETPAGE | y);
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ssd1306_intf.send(((x+2)>>4) | SSD1306_SETHIGHCOLUMN);
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ssd1306_intf.send(((x+2) & 0x0f) | SSD1306_SETLOWCOLUMN);
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if (ssd1306_intf.spi)
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{
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ssd1306_spiDataMode(1);
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}
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else
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{
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ssd1306_intf.stop();
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ssd1306_intf.start();
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ssd1306_intf.send(0x40);
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}
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}
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static void sh1106_nextPage(void)
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{
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ssd1306_intf.stop();
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sh1106_setBlock(s_column,s_page+1,0);
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}
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static void sh1106_setMode(lcd_mode_t mode)
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{
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}
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void sh1106_128x64_init()
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{
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ssd1306_lcd.type = LCD_TYPE_SH1106;
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ssd1306_lcd.height = 64;
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ssd1306_lcd.width = 128;
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ssd1306_lcd.set_block = sh1106_setBlock;
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ssd1306_lcd.next_page = sh1106_nextPage;
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ssd1306_lcd.send_pixels1 = ssd1306_intf.send;
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ssd1306_lcd.send_pixels_buffer1 = ssd1306_intf.send_buffer;
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ssd1306_lcd.set_mode = sh1106_setMode;
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for( uint8_t i=0; i<sizeof(s_oled128x64_initData); i++)
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{
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ssd1306_sendCommand(pgm_read_byte(&s_oled128x64_initData[i]));
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}
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}
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void sh1106_128x64_i2c_init()
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{
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ssd1306_i2cInit();
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sh1106_128x64_init();
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}
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void sh1106_128x64_spi_init(int8_t rstPin, int8_t cesPin, int8_t dcPin)
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{
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if (rstPin >=0)
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{
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ssd1306_resetController( rstPin, 10 );
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}
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ssd1306_spiInit(cesPin, dcPin);
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sh1106_128x64_init();
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}
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