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182 lines
5.7 KiB
182 lines
5.7 KiB
/*
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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 "oled_ssd1325.h"
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#include "lcd_common.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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extern uint16_t ssd1306_color;
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static const PROGMEM uint8_t s_oled_128x64_initData[] =
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{
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#ifdef SDL_EMULATION
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SDL_LCD_SSD1325,
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SDL_LCD_SSD1325_GENERIC,
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#endif
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0xAE, // OFF /* display off */
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0xB3, 0x91, // CLK
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0xA8, 0x3F, // multiplex 64
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0xA2, 0x00, // Display offset
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0xA1, 0x00, // Start line
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0xAD, 0x02, // VCOMH
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0xA0, 0x40 | 0x10 | 0x04 | 0x02 | 0x01, // REMAP: vertical increment mode
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0x86, // CURRENT
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0x81, 0x70, // CONTRAST
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0xB2, 0x51, // FREQ
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0xB1, 0x55, // PHASE
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0xBC, 0x10, // PRECHARGE
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0xBE, 0x1C, // VCOMH voltage
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0xA4, // NORMAL
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};
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///////////// ssd1325 functions below are for SPI display ////////////
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///////////// in ssd1306 compatible mode ////////////
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//////////////////////// SSD1306 COMPATIBLE MODE ///////////////////////////////
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static uint8_t __s_column;
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static uint8_t __s_w;
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static uint8_t __s_w2;
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static uint8_t __s_page;
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static uint8_t __s_leftPixel;
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static uint8_t __s_pos;
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static void set_block_compat(lcduint_t x, lcduint_t y, lcduint_t w)
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{
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uint8_t rx = w ? (x + w - 1) : (ssd1306_lcd.width - 1);
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rx = rx < ssd1306_lcd.width ? rx : (ssd1306_lcd.width - 1);
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__s_column = x;
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__s_page = y;
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__s_w = w;
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__s_w2 = rx - x + 1;
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__s_leftPixel = 0;
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__s_pos = __s_column;
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ssd1306_intf.start();
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ssd1306_spiDataMode(0);
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ssd1306_intf.send(0x15);
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ssd1306_intf.send(x / 2);
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ssd1306_intf.send(rx / 2);
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ssd1306_intf.send(0x75);
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ssd1306_intf.send(y<<3);
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ssd1306_intf.send(((y<<3) + 7) < ssd1306_lcd.height ? ((y<<3) + 7) : (ssd1306_lcd.height - 1));
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ssd1306_spiDataMode(1);
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}
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static void next_page_compat(void)
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{
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ssd1306_intf.stop();
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set_block_compat(__s_column,__s_page + 1, __s_w);
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}
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static void ssd1325_sendPixels(uint8_t data)
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{
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if (!(__s_pos & 0x01))
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{
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__s_leftPixel = data;
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data = 0x00;
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}
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if ((__s_pos & 0x01) || (__s_pos == __s_column + __s_w2 - 1))
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{
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for (uint8_t i=8; i>0; i--)
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{
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uint8_t color = (__s_leftPixel & 0x01) ? (ssd1306_color & 0x0F) : 0;
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color |= (((data & 0x01) ? (ssd1306_color & 0x0F): 0) << 4);
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ssd1306_intf.send(color);
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data >>= 1;
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__s_leftPixel >>= 1;
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}
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}
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__s_pos++;
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}
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static void ssd1325_sendPixelsBuffer(const uint8_t *buffer, uint16_t len)
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{
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while (len--)
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{
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ssd1325_sendPixels(*buffer);
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buffer++;
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}
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}
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//////////////////////// SSD1331 NATIVE MODE ///////////////////////////////////
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CONTROLLER_NATIVE_SPI_BLOCK_8BIT_CMDS( 0x15, 0x75 );
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///////////// ssd1325 functions below are for SPI display ////////////
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///////////// in native/normal mode ////////////
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void ssd1325_setMode(lcd_mode_t mode)
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{
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if (mode == LCD_MODE_NORMAL)
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{
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ssd1306_lcd.set_block = set_block_native;
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ssd1306_lcd.next_page = next_page_native;
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}
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else if (mode == LCD_MODE_SSD1306_COMPAT )
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{
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ssd1306_lcd.set_block = set_block_compat;
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ssd1306_lcd.next_page = next_page_compat;
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}
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ssd1306_intf.start();
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ssd1306_spiDataMode(0);
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ssd1306_intf.send( 0xA0 );
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ssd1306_intf.send( 0x10 | (mode == LCD_MODE_NORMAL ? 0x00 : 0x04) );
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ssd1306_intf.stop();
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return;
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}
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void ssd1325_128x64_init()
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{
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ssd1306_lcd.type = LCD_TYPE_CUSTOM;
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ssd1306_lcd.width = 128; // specify width
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ssd1306_lcd.height = 64; // specify height
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// Set functions for compatible mode
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ssd1306_lcd.set_block = set_block_compat;
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ssd1306_lcd.next_page = next_page_compat;
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ssd1306_lcd.send_pixels1 = ssd1325_sendPixels;
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ssd1306_lcd.send_pixels_buffer1 = ssd1325_sendPixelsBuffer;
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// Set function for 8-bit mode
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ssd1306_lcd.send_pixels8 = ssd1306_intf.send;
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ssd1306_lcd.set_mode = ssd1325_setMode;
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// Use one of 2 functions for initialization below
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// Please, read help on this functions and read datasheet before you decide, which
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// one needs to be used. For example, ssd1331 is OK with ssd1306_configureI2cDisplay(),
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// while st7735 can be initialized only with ssd1306_configureSpiDisplay().
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ssd1306_configureI2cDisplay(s_oled_128x64_initData, sizeof(s_oled_128x64_initData));
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}
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void ssd1325_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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ssd1325_128x64_init();
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}
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