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259 lines
7.3 KiB
259 lines
7.3 KiB
/*
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MIT License
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Copyright (c) 2017-2019, 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_ssd1306.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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uint8_t s_ssd1306_startLine = 0;
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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_SSD1306,
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0x00,
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#endif
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SSD1306_DISPLAYOFF, // display off
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SSD1306_MEMORYMODE, HORIZONTAL_ADDRESSING_MODE, // Page Addressing mode
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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 const uint8_t PROGMEM s_oled128x32_initData[] =
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{
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#ifdef SDL_EMULATION
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SDL_LCD_SSD1306,
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0x00,
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#endif
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SSD1306_DISPLAYOFF, // display off
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SSD1306_SETDISPLAYCLOCKDIV, 0x80,
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SSD1306_SETMULTIPLEX, 31,
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SSD1306_SETDISPLAYOFFSET, 0x00, // --no offset
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SSD1306_SETSTARTLINE | 0x00,
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SSD1306_CHARGEPUMP, 0x14, // 0x10
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SSD1306_SEGREMAP | 0x01, // Reverse mapping
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SSD1306_COMSCANDEC,
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SSD1306_SETCOMPINS, 0x02,
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SSD1306_SETCONTRAST, 0x7F, // contast value
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SSD1306_SETPRECHARGE, 0x22, // 0x1F
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SSD1306_SETVCOMDETECT, 0x40,
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SSD1306_MEMORYMODE, HORIZONTAL_ADDRESSING_MODE,
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SSD1306_DISPLAYALLON_RESUME,
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SSD1306_NORMALDISPLAY,
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SSD1306_DISPLAYON,
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};
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static void ssd1306_setBlock(lcduint_t x, lcduint_t y, lcduint_t w)
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{
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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_COLUMNADDR);
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ssd1306_intf.send(x);
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ssd1306_intf.send(w ? (x + w - 1) : (ssd1306_lcd.width - 1));
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ssd1306_intf.send(SSD1306_PAGEADDR);
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ssd1306_intf.send(y);
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ssd1306_intf.send((ssd1306_lcd.height >> 3) - 1);
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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 ssd1306_nextPage(void)
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{
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}
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static void ssd1306_setMode_int(lcd_mode_t mode)
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{
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}
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void ssd1306_displayOff()
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{
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ssd1306_sendCommand(SSD1306_DISPLAYOFF);
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}
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void ssd1306_displayOn()
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{
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ssd1306_sendCommand(SSD1306_DISPLAYON);
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}
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void ssd1306_setContrast(uint8_t contrast)
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{
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ssd1306_commandStart();
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ssd1306_intf.send(SSD1306_SETCONTRAST);
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ssd1306_intf.send(contrast);
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ssd1306_intf.stop();
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}
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void ssd1306_invertMode()
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{
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ssd1306_sendCommand(SSD1306_INVERTDISPLAY);
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}
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void ssd1306_normalMode()
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{
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ssd1306_sendCommand(SSD1306_NORMALDISPLAY);
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}
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void ssd1306_flipHorizontal(uint8_t mode)
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{
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ssd1306_sendCommand( SSD1306_SEGREMAP | (mode ? 0x00: 0x01 ) );
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}
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void ssd1306_flipVertical(uint8_t mode)
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{
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ssd1306_sendCommand( mode ? SSD1306_COMSCANINC : SSD1306_COMSCANDEC );
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}
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void ssd1306_setStartLine(uint8_t line)
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{
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s_ssd1306_startLine = line;
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ssd1306_sendCommand( SSD1306_SETSTARTLINE | (line & 0x3F) );
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}
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uint8_t ssd1306_getStartLine(void)
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{
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return s_ssd1306_startLine;
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}
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///////////////////////////////////////////////////////////////////////////////
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// I2C SSD1306 128x64
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///////////////////////////////////////////////////////////////////////////////
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void ssd1306_init()
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{
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ssd1306_128x64_i2c_init();
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}
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void ssd1306_128x64_init()
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{
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ssd1306_lcd.type = LCD_TYPE_SSD1306;
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ssd1306_lcd.height = 64;
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ssd1306_lcd.width = 128;
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ssd1306_lcd.set_block = ssd1306_setBlock;
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ssd1306_lcd.next_page = ssd1306_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 = ssd1306_setMode_int;
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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 ssd1306_128x64_i2c_init()
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{
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ssd1306_i2cInit();
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ssd1306_128x64_init();
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}
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void ssd1306_128x64_i2c_initEx(int8_t scl, int8_t sda, int8_t sa)
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{
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ssd1306_i2cInitEx(scl, sda, sa);
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ssd1306_128x64_init();
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}
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///////////////////////////////////////////////////////////////////////////////
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// SPI SSD1306 128x64
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///////////////////////////////////////////////////////////////////////////////
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void ssd1306_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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ssd1306_128x64_init();
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}
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///////////////////////////////////////////////////////////////////////////////
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// I2C SSD1306 128x32
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///////////////////////////////////////////////////////////////////////////////
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void ssd1306_128x32_init()
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{
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ssd1306_lcd.type = LCD_TYPE_SSD1306;
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ssd1306_lcd.height = 32;
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ssd1306_lcd.width = 128;
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ssd1306_lcd.set_block = ssd1306_setBlock;
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ssd1306_lcd.next_page = ssd1306_nextPage;
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ssd1306_lcd.send_pixels1 = ssd1306_intf.send;
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ssd1306_lcd.set_mode = ssd1306_setMode_int;
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for( uint8_t i=0; i < sizeof(s_oled128x32_initData); i++)
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{
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ssd1306_sendCommand(pgm_read_byte(&s_oled128x32_initData[i]));
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}
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}
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void ssd1306_128x32_i2c_init()
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{
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ssd1306_i2cInit();
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ssd1306_128x32_init();
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}
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///////////////////////////////////////////////////////////////////////////////
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// SPI SSD1306 128x32
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///////////////////////////////////////////////////////////////////////////////
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void ssd1306_128x32_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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ssd1306_128x32_init();
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}
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