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2022-10-30 23:00:53 +01:00
commit 7f087ae854
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+/*
+    MIT License
+
+    Copyright (c) 2017-2018, Alexey Dynda
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+*/
+
+#include "lcd_pcd8544.h"
+#include "lcd_common.h"
+#include "pcd8544_commands.h"
+#include "intf/ssd1306_interface.h"
+#include "intf/spi/ssd1306_spi.h"
+#include "ssd1306_hal/io.h"
+#ifdef SDL_EMULATION
+#include "sdl_core.h"
+#endif
+
+
+static const uint8_t PROGMEM s_lcd84x48_initData[] =
+{
+#ifdef SDL_EMULATION
+    SDL_LCD_PCD8544,
+    0x00,
+#endif
+    PCD8544_FUNCTIONSET | PCD8544_EXTENDEDINSTRUCTION, // switch to extented commands
+    PCD8544_SETVOP | 0x16,  // Set vop contrast
+    PCD8544_SETTEMP,
+    PCD8544_SETBIAS | 0x04, // Set bias mode
+    PCD8544_FUNCTIONSET, // switch to basic commands
+    PCD8544_DISPLAYCONTROL | PCD8544_DISPLAYNORMAL
+};
+
+static uint8_t s_column;
+static uint8_t s_page;
+static uint8_t s_width;
+
+static void pcd8544_setBlock(lcduint_t x, lcduint_t y, lcduint_t w)
+{
+    s_width = w;
+    s_column = x;
+    s_page = y;
+    ssd1306_intf.start();
+    ssd1306_spiDataMode(0);
+    if (w == 1) ssd1306_intf.send( 0x22 ); else ssd1306_intf.send( 0x20 );
+    ssd1306_intf.send(0x80 | x);
+    ssd1306_intf.send(0x40 | y);
+    ssd1306_spiDataMode(1);
+}
+
+static void pcd8544_nextPage(void)
+{
+    if ( s_width != 1)
+    {
+        ssd1306_intf.stop();
+        pcd8544_setBlock(s_column, s_page+1, s_width);
+    }
+}
+
+static void pcd8544_setMode(lcd_mode_t mode)
+{
+}
+
+void pcd8544_84x48_init()
+{
+    ssd1306_lcd.type = LCD_TYPE_PCD8544;
+    ssd1306_lcd.width = 84;
+    ssd1306_lcd.height = 48;
+    ssd1306_intf.start();
+    ssd1306_spiDataMode(0);
+    ssd1306_lcd.set_block = pcd8544_setBlock;
+    ssd1306_lcd.next_page = pcd8544_nextPage;
+    ssd1306_lcd.send_pixels1 = ssd1306_intf.send;
+    ssd1306_lcd.send_pixels_buffer1 = ssd1306_intf.send_buffer;
+    ssd1306_lcd.set_mode = pcd8544_setMode;
+
+    for( uint8_t i=0; i<sizeof(s_lcd84x48_initData); i++)
+    {
+        ssd1306_intf.send(pgm_read_byte(&s_lcd84x48_initData[i]));
+    }
+    ssd1306_intf.stop();
+}
+
+void    pcd8544_84x48_spi_init(int8_t rstPin, int8_t cesPin, int8_t dcPin)
+{
+    if (rstPin >=0)
+    {
+        ssd1306_resetController( rstPin, 1 );
+    }
+    ssd1306_spiInit(cesPin, dcPin);
+    pcd8544_84x48_init();
+}