First Commit

libraries/ssd1306/tools/sdl/sdl_oled_basic.h

@@ -0,0 +1,91 @@
+/*
+    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.
+*/
+
+#ifndef _SDL_OLED_BASIC_H_
+#define _SDL_OLED_BASIC_H_
+
+#include <stdint.h>
+#include <SDL2/SDL.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SSD_COMMAND_NONE   -1
+
+enum
+{
+    SSD_MODE_NONE,
+    SSD_MODE_COMMAND,
+    SSD_MODE_DATA,
+};
+
+typedef enum
+{
+    SDMS_AUTO,          // Command arg/write data mode is selected by DC pin or i2c command
+    SDMS_CONTROLLER,    // Command arg/write data mode is controlled by LCD controller special command
+} sdl_data_mode_selection;
+
+typedef enum
+{
+    SDM_COMMAND_ARG,    // data mode interprets all data as command args
+    SDM_WRITE_DATA,     // data mode sends all data to GDRAM
+} sdl_data_mode;
+
+typedef struct
+{
+    int width;
+    int height;
+    int bpp;
+    uint32_t pixfmt;
+    sdl_data_mode_selection dataMode;
+    int   (*detect)(uint8_t data);
+    void  (*run_cmd)(uint8_t data);
+    void  (*run_data)(uint8_t data);
+    void  (*reset)(void);
+} sdl_oled_info;
+
+#if defined(SDL_NO_BORDER)
+const static int BORDER_SIZE = 0;
+const static int TOP_HEADER = 0;
+const static int RECT_THICKNESS = 0;
+#else
+const static int BORDER_SIZE = 8;
+const static int TOP_HEADER = 16;
+const static int RECT_THICKNESS = 2;
+#endif
+const static int PIXEL_SIZE = 2;
+
+extern int s_commandId;
+extern int s_cmdArgIndex;
+extern uint8_t s_detected;
+
+extern void sdl_set_data_mode(sdl_data_mode mode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+