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108 lines
3.2 KiB
108 lines
3.2 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 "lcd_pcd8544.h"
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#include "lcd_common.h"
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#include "pcd8544_commands.h"
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#include "intf/ssd1306_interface.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_lcd84x48_initData[] =
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{
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#ifdef SDL_EMULATION
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SDL_LCD_PCD8544,
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0x00,
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#endif
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PCD8544_FUNCTIONSET | PCD8544_EXTENDEDINSTRUCTION, // switch to extented commands
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PCD8544_SETVOP | 0x16, // Set vop contrast
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PCD8544_SETTEMP,
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PCD8544_SETBIAS | 0x04, // Set bias mode
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PCD8544_FUNCTIONSET, // switch to basic commands
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PCD8544_DISPLAYCONTROL | PCD8544_DISPLAYNORMAL
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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 uint8_t s_width;
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static void pcd8544_setBlock(lcduint_t x, lcduint_t y, lcduint_t w)
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{
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s_width = w;
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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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ssd1306_spiDataMode(0);
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if (w == 1) ssd1306_intf.send( 0x22 ); else ssd1306_intf.send( 0x20 );
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ssd1306_intf.send(0x80 | x);
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ssd1306_intf.send(0x40 | y);
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ssd1306_spiDataMode(1);
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}
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static void pcd8544_nextPage(void)
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{
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if ( s_width != 1)
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{
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ssd1306_intf.stop();
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pcd8544_setBlock(s_column, s_page+1, s_width);
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}
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}
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static void pcd8544_setMode(lcd_mode_t mode)
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{
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}
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void pcd8544_84x48_init()
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{
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ssd1306_lcd.type = LCD_TYPE_PCD8544;
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ssd1306_lcd.width = 84;
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ssd1306_lcd.height = 48;
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ssd1306_intf.start();
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ssd1306_spiDataMode(0);
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ssd1306_lcd.set_block = pcd8544_setBlock;
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ssd1306_lcd.next_page = pcd8544_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 = pcd8544_setMode;
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for( uint8_t i=0; i<sizeof(s_lcd84x48_initData); i++)
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{
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ssd1306_intf.send(pgm_read_byte(&s_lcd84x48_initData[i]));
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}
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ssd1306_intf.stop();
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}
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void pcd8544_84x48_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, 1 );
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}
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ssd1306_spiInit(cesPin, dcPin);
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pcd8544_84x48_init();
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}
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