First Commit

2025-02-27 19:31:50 +01:00
parent bcbb6aff9a
commit e490df1715
2470 changed files with 1479965 additions and 0 deletions
--- a/libraries/ssd1306/tools/sdl/sdl_pcd8544.c
+++ b/libraries/ssd1306/tools/sdl/sdl_pcd8544.c
@@ -0,0 +1,122 @@
+/*
+    MIT License
+
+    Copyright (c) 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 "sdl_pcd8544.h"
+#include "sdl_oled_basic.h"
+#include "sdl_graphics.h"
+#include "sdl_core.h"
+
+static int s_activeColumn = 0;
+static int s_activePage = 0;
+const static int s_columnStart = 0;
+const static int s_columnEnd = 83;
+const static int s_pageStart = 0;
+const static int s_pageEnd = 5;
+static int s_verticalMode = 0;
+static uint8_t detected = 0;
+
+
+static int sdl_pcd8544_detect(uint8_t data)
+{
+    if (detected)
+    {
+        return 1;
+    }
+    detected = (data == SDL_LCD_PCD8544);
+    return 0;
+}
+
+static void sdl_pcd8544_commands(uint8_t data)
+{
+//    printf("%02X\n", data);
+    switch (s_commandId)
+    {
+        case 0x20:
+            s_verticalMode = 0;
+            s_commandId = SSD_COMMAND_NONE;
+            break;
+        case 0x22:
+            s_verticalMode = 1;
+            s_commandId = SSD_COMMAND_NONE;
+            break;
+        default:
+            if ((s_commandId & 0x80) == 0x80 )
+            {
+                s_activeColumn = s_commandId & 0x7F;
+                if (s_activeColumn > s_columnEnd) s_activeColumn = s_columnEnd;
+            }
+            if ((s_commandId & 0xC0) == 0x40 )
+            {
+                s_activePage = s_commandId & 0x3F;
+                if (s_activePage > s_pageEnd) s_activePage = s_pageEnd;
+            }
+            s_commandId = SSD_COMMAND_NONE;
+            break;
+    }
+}
+
+void sdl_pcd8544_data(uint8_t data)
+{
+    int x = s_activeColumn;
+    int y = s_activePage;
+    for (int i=0; i<8; i++)
+    {
+        if (data & (1<<i))
+        {
+            sdl_put_pixel(x, (y<<3) + i, 0xAD59);
+        }
+        else
+        {
+            sdl_put_pixel(x, (y<<3) + i, 0x0000);
+        }
+    }
+    if (s_verticalMode)
+    {
+        s_activePage++;
+        if (s_activePage > s_pageEnd)
+        {
+            s_activePage = s_pageStart;
+        }
+    }
+    else
+    {
+        s_activeColumn++;
+        if (s_activeColumn > s_columnEnd)
+        {
+            s_activeColumn = s_columnStart;
+        }
+    }
+}
+
+sdl_oled_info sdl_pcd8544 =
+{
+    .width = 84,
+    .height = 48,
+    .bpp = 16,
+    .pixfmt = SDL_PIXELFORMAT_RGB565,
+    .dataMode = SDMS_AUTO,
+    .detect = sdl_pcd8544_detect,
+    .run_cmd = sdl_pcd8544_commands,
+    .run_data = sdl_pcd8544_data,
+};