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MindCreeper03
252
libraries/ssd1306/tools/sdl/sdl_ssd1325.c
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252
libraries/ssd1306/tools/sdl/sdl_ssd1325.c
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/*
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MIT License
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Copyright (c) 2018-2019, 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 "sdl_ssd1325.h"
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#include "sdl_oled_basic.h"
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#include "sdl_graphics.h"
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#include "sdl_core.h"
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static int s_activeColumn = 0;
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static int s_activeRow = 0;
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static int s_columnStart = 0;
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static int s_columnEnd = 127;
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static int s_rowStart = 0;
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static int s_rowEnd = 7;
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static int s_newColumn;
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static int s_newPage;
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static uint8_t detected = 0;
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static uint8_t s_subtype = SDL_LCD_SSD1325_GENERIC;
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static uint8_t s_hwComSplit = 0;
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static void copyBlock()
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{
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if ( s_newColumn < s_columnStart )
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{
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for( int y = s_rowStart; y <= s_rowEnd; y++)
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for( int x = s_newColumn; x <= s_newColumn + s_columnEnd - s_columnStart; x++)
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sdl_put_pixel(x, y, sdl_get_pixel( x + s_columnStart - s_newColumn, y ));
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}
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else
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{
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for( int y = s_rowStart; y <= s_rowEnd; y++)
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for( int x = s_newColumn + s_columnEnd - s_columnStart; x >= s_newColumn; x--)
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sdl_put_pixel(x, y, sdl_get_pixel( x + s_columnStart - s_newColumn, y ));
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}
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}
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static int sdl_ssd1325_detect(uint8_t data)
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{
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if (detected)
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{
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switch (data)
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{
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case SDL_LCD_SSD1325_GENERIC:
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s_hwComSplit = 1;
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sdl_ssd1325.height = 64;
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break;
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case SDL_LCD_SSD1327_GENERIC:
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s_hwComSplit = 1;
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sdl_ssd1325.height = 128;
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break;
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case SDL_LCD_SSD1327_NO_COM_SPLIT:
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s_hwComSplit = 0;
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sdl_ssd1325.height = 128;
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break;
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default:
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break;
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}
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s_subtype = data;
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return 1;
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}
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detected = (data == SDL_LCD_SSD1325 || data == SDL_LCD_SSD1327);
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return 0;
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}
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static uint8_t s_verticalMode = 1;
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static uint8_t s_nimbleMapping = 0;
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static uint8_t s_leftToRight = 0;
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static uint8_t s_topToBottom = 0;
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static uint8_t s_comSplit = 0;
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static void sdl_ssd1325_commands(uint8_t data)
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{
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switch (s_commandId)
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{
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case 0xA0:
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if (s_cmdArgIndex == 0)
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{
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// A[0] = Enable column address re-map
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// A[1] = Enable Nibble remap
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// A[2] = Enable Vertical Address increment
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// A[4] = Enable COM-remap
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// A[6] = Splitting ODD / Even signals
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s_verticalMode = data & 0x04;
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s_nimbleMapping = data & 0x02;
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s_leftToRight = data & 0x01;
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s_topToBottom = data & 0x10;
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s_comSplit = data & 0x40;
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s_commandId = SSD_COMMAND_NONE;
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}
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break;
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case 0x15:
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switch (s_cmdArgIndex)
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{
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case 0:
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s_columnStart = data * 2;
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s_activeColumn = data * 2;
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break;
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case 1:
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s_columnEnd = data * 2 + 1;
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s_commandId = SSD_COMMAND_NONE;
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break;
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default: break;
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}
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break;
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case 0x23: // MOVE BLOCK
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switch (s_cmdArgIndex)
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{
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case 0: s_columnStart = data * 2; break;
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case 1: s_rowStart = data; break;
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case 2: s_columnEnd = data * 2 + 1; break;
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case 3: s_rowEnd = data; break;
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case 4: s_newColumn = data * 2; break;
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case 5:
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s_newPage = data;
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copyBlock();
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s_commandId = SSD_COMMAND_NONE;
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break;
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default:
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break;
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}
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break;
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case 0x75:
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switch (s_cmdArgIndex)
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{
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case 0:
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s_activeRow = data;
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s_rowStart = data;
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break;
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case 1:
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s_rowEnd = data;
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s_commandId = SSD_COMMAND_NONE;
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break;
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default: break;
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}
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break;
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case 0xA8: // Multiplex
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if ( s_cmdArgIndex == 0 )
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{
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s_columnEnd = data + 1;
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s_commandId = SSD_COMMAND_NONE;
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}
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break;
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case 0xAE: // OFF /* display off */
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case 0xA4: // NORMAL
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case 0x2E: // Deactivate scroll
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case 0xAF: // Display ON
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s_commandId = SSD_COMMAND_NONE;
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break;
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case 0xFD: // Unlock OLED
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case 0xA1: // Start line
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case 0xA2: // Display offset
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case 0xAB: // VDD internal
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case 0x81: // CONTRAST
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case 0xB1: // PHASE 0x51
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case 0xB3: // CLK
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case 0xBC: // PRECHARGE
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case 0xBE: // VCOMH voltage
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case 0xB6: // Second pre-charge
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if (s_cmdArgIndex == 0) s_commandId = SSD_COMMAND_NONE;
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break;
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default:
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s_commandId = SSD_COMMAND_NONE;
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break;
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}
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}
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static void sdl_ssd1325_data(uint8_t data)
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{
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for (int i=0; i<2; i++)
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{
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int y = s_topToBottom ? s_activeRow : (sdl_ssd1325.height - s_activeRow - 1);
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int x = s_leftToRight ? s_activeColumn: (sdl_ssd1325.width - s_activeColumn - 1);
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if ( (s_comSplit && !s_hwComSplit) || (!s_comSplit && s_hwComSplit) )
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{
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y = ((y & 0x3F) * 2) + ((y > 0x3F) ? 1: 0);
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}
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sdl_put_pixel(x, y, ((data & 0x0F) << 28) |
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((data & 0x0F) << 20) |
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((data & 0x0F) << 12) |
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((data & 0x0F) << 4) );
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if (s_verticalMode)
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{
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if (i == 1)
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{
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s_activeColumn--;
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s_activeRow++;
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if (s_activeRow > s_rowEnd)
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{
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s_activeRow = s_rowStart;
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s_activeColumn += 2;
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}
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}
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if (i == 0)
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{
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s_activeColumn++;
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}
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if (s_activeColumn > s_columnEnd)
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{
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s_activeColumn = s_columnStart;
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}
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}
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else
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{
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s_activeColumn++;
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if (s_activeColumn > s_columnEnd)
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{
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s_activeColumn = s_columnStart;
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s_activeRow++;
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if (s_activeRow > s_rowEnd)
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{
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s_activeRow = s_rowStart;
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}
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}
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}
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data >>= 4;
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}
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}
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sdl_oled_info sdl_ssd1325 =
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{
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.width = 128,
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.height = 64,
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.bpp = 32,
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.pixfmt = SDL_PIXELFORMAT_RGBX8888,
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.dataMode = SDMS_AUTO,
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.detect = sdl_ssd1325_detect,
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.run_cmd = sdl_ssd1325_commands,
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.run_data = sdl_ssd1325_data,
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};
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