Diff: PCD8544LCD.h
- Revision:
- 0:6468a28a7b7d
- Child:
- 1:ce391193b822
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/PCD8544LCD.h Sun Apr 17 18:03:24 2011 +0000
@@ -0,0 +1,185 @@
+/* mbed PCD8544 - Graphic Library for driving monochrome displays based on PCD8544
+ * used in Nokia 3310, 3315, 3330, 3350, 3410, 3210, 5110, 5120, 5130, 5160, 6110, 6150
+ *
+ * Copyright (c) 2011, Wim De Roeve
+ * partial port of the code found on http://serdisplib.sourceforge.net/ser/pcd8544.html#links
+ * and by Petras Saduikis <petras@petras.co.uk>
+ *
+ * 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 PCD8544LCD_H
+#define PCD8544LCD_H
+
+#include "mbed.h"
+
+/* Number of pixels on the LCD */
+#define LCD_X_RES 84
+#define LCD_Y_RES 48
+#define LCD_BANKS (LCD_Y_RES / 8)
+
+#define LCD_CACHE_SIZE ((LCD_X_RES * LCD_Y_RES) / 8)
+
+#define MAX_ADR_X (LCD_X_RES)-1
+#define MAX_ADR_Y LCD_BANKS-1
+
+#define HIGH 1
+#define LOW 0
+#define TRUE 1
+#define FALSE 0
+
+/* Display control command */
+#define EXTENDEDSET 0x21
+#define STANDARDSET 0x20
+#define DISPLAYOFF 0x08 // switch off display
+#define ALL_SEG_ON 0x09 // switch on display and set to all pixels on
+#define NORMAL_MODE 0x0C // NOREVERSE
+#define INVERSE_MODE 0x0D // REVERSE
+
+#define SET_ADDRES_X 0x80
+#define SET_ADDRES_Y 0x40
+
+
+typedef uint8_t BYTE;
+
+typedef enum {
+ PIXEL_OFF = 0,
+ PIXEL_ON = 1,
+ PIXEL_XOR = 2
+}ePixelMode;
+
+typedef enum {
+ FILL_OFF = 0,
+ FILL_ON = 1
+}eFillMode;
+
+typedef enum {
+ RASTER_OFF = 0,
+ RASTER_ON = 1
+}eRasterMode;
+
+typedef enum {
+ VERYSMALLFONT = 0, //3x5
+ TINYFONT = 1, //5x7
+ SMALLFONT = 2, //6x8
+ NORMALFONT = 3, //8x8
+ BIGFONT = 4, //8x12�
+ TIMENUMBERFONT= 5, //16x20
+ BIGNUMBERFONT= 6
+}eFonts;
+
+
+enum eDisplayMode {NORMAL, HIGHLIGHT};
+
+class PCD8544LCD {
+
+ /* PCD8544 from Philips Semiconductors is
+ 48 x 84 pixels monochrome matrix LCD controller/driver
+
+ The PCD8544 has a 504 byte memory with NO read function.
+ Each bit is a pixel
+ You can only write 1 byte at a time in vertical or horizontal mode.
+ There is no read functionality with the controller.
+ Caching a copy of the LCD-memory is the only solution if we want
+ to set one pixel at a time.
+
+ */
+public:
+ PCD8544LCD(PinName mosi, PinName miso, PinName sclk,
+ PinName cs, PinName dc, PinName reset);
+
+ /** init()
+ *
+ * Initialise the device.
+ * @param PinName SPI mosi
+ * @param PinName SPI miso
+ * @param PinName SPI sclk
+ * @param PinName DigitalOut cs
+ * @param PinName DigitalOut dc
+ * @param PinName DigitalOut reset
+ */
+
+ void init();
+
+ /** cls()
+ * clears the cached copy of the screen
+ * and the screen itself
+ */
+ void cls();
+
+ /** update()
+ * copies the cached memory to the screen
+ * use this to update the screen after
+ * - drawBitmap
+ */
+ void update();
+
+ /** close()
+ * screen display OFF
+ */
+ void close();
+
+ /** locate(x,y)
+ * sets the cursor on position x,y
+ */
+ void locate (BYTE x0, BYTE y0);
+
+ void chooseFont(eFonts font);
+
+ void writeString (BYTE x0, BYTE y0, char* string, eFonts font, eDisplayMode mode, BYTE update);
+ void writeChar (BYTE x0, BYTE y0, BYTE ch, eFonts font,eDisplayMode mode, BYTE update);
+
+ /** drawBitmap(x,y,bitmap,xsize,ysize)
+ * draw a monochrome bitmap on position x,y
+ * with size xsize,ysize
+ */
+ void drawBitmap (BYTE x0, BYTE y0, BYTE* bitmap, BYTE bmpXSize, BYTE bmpYSize, BYTE update);
+
+ void drawpixel (BYTE x0, BYTE y0, ePixelMode pmode, BYTE update);
+ void drawline (BYTE x0, BYTE y0, BYTE x1,BYTE y1, ePixelMode pmode, BYTE update);
+ void drawcircle (BYTE x0, BYTE y0, BYTE radius, ePixelMode pmode, BYTE update);
+ void drawrectangle (BYTE x0, BYTE y0, BYTE x1,BYTE y1, eFillMode fill, ePixelMode pmode, BYTE update);
+ void drawprogressbar(BYTE x0, BYTE y0, BYTE w, BYTE h, BYTE percentage, BYTE update);
+ void drawchart (BYTE x0, BYTE y0, BYTE w, BYTE h, BYTE unitx, BYTE unity,
+ eRasterMode rmode,signed char * val, int start, int count);
+
+private:
+
+ SPI _spi;
+ DigitalOut _cs; // chip select
+ DigitalOut _dc; // data / command
+ DigitalOut _reset; // reset
+
+ void writeCmd(BYTE data);
+ void writeData(BYTE data);
+
+ BYTE _LcdCache[ LCD_CACHE_SIZE ]; // local LCD buffer
+
+ int _LcdCacheIdx;
+ int _LoMark;
+ int _HiMark;
+
+ BYTE _font_width;
+ BYTE _font_height;
+ BYTE _font_start;
+ BYTE _font_end;
+ unsigned char* _pFont;
+
+};
+
+#endif
\ No newline at end of file
Wim De Roeve