Diff: TouchScreen.h

Revision:

0:edf5f3d8645e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TouchScreen.h	Tue Aug 21 14:40:18 2012 +0000
@@ -0,0 +1,123 @@
+/***************************
+ * Created by Ashley Mills *
+ ***************************/
+#pragma once
+#include "mbed.h"
+#include "rtos.h"
+
+#define lowByte(w) ((uint8_t) ((w) & 0xff))
+#define highByte(w) ((uint8_t) ((w) >> 8))
+
+typedef enum {
+    NO_TOUCH_ACTIVITY=0,
+    TOUCH_PRESS,
+    TOUCH_RELEASE,
+    TOUCH_MOVING
+} eTouchStatus;
+
+typedef enum {
+    LANDSCAPE=0,
+    LANDSCAPE_R,
+    NATIVE,
+    PORTRAIT_R
+} eScreenOrientation;
+
+typedef enum {
+    BAUD_9600,
+    BAUD_14400,
+    BAUD_19200,
+    BAUD_57600,
+    BAUD_115200,
+    BAUD_256000
+} eBaudRate;
+
+typedef struct {
+    uint16_t x;
+    uint16_t y;
+} TouchPoint;
+
+typedef enum {
+    INTERNAL_FONT_5x7,
+    INTERNAL_FONT_8x8,
+    INTERNAL_FONT_8x12,
+    INTERNAL_FONT_12x16
+} eInternalFont;
+
+class TouchScreen : Serial {
+    public:
+        static const int WIDTH  = 320;
+        static const int HEIGHT = 240;
+
+        // constructors
+        TouchScreen(PinName tx, PinName rx, PinName resetPin, const char *name = NULL);
+        TouchScreen(PinName tx, PinName rx, PinName resetPin, eBaudRate baud, const char *name = NULL);
+        bool begin();
+        
+        // drawing commands
+        void drawCircle(uint16_t xPos, uint16_t yPos, uint16_t radius, uint16_t color);
+        void drawPixel(uint16_t xPos, uint16_t yPos, uint16_t color);
+        void clearScreen();
+        void setBackgroundColor(uint16_t color);
+        void setPenSolid();
+        void setPenWireframe();
+        void drawImage(char *name, uint16_t x, uint16_t y);
+        void drawGraphicsFormatString(uint16_t x, uint16_t y, eInternalFont font, uint16_t textColor, uint8_t charWidth, uint8_t charHeight, char* text);
+        
+        void drawRectangle(uint16_t topLeftX, uint16_t topLeftY, uint16_t botRightX, uint16_t botRightY, uint16_t color);
+        void drawRectangleWH(uint16_t topLeftX, uint16_t topLeftY, uint16_t width, uint16_t height, uint16_t color);
+        void drawRectangleWH(uint16_t topLeftX, uint16_t topLeftY, uint16_t width, uint16_t height);
+        void drawLine(uint16_t topLeftX, uint16_t topLeftY, uint16_t botRightX, uint16_t botRightY, uint16_t color);
+
+        // drawing text
+        void drawTextFormatString(uint8_t row, uint8_t column, eInternalFont font, uint16_t textColor, char* text);
+        void drawChar(char c, uint16_t x, uint16_t y, uint16_t color, uint8_t width, uint8_t height);
+        void drawText(char *s, uint16_t x, uint16_t y);
+        void setFont(uint8_t fontIndex);
+
+        // color creation
+        uint16_t createRGB(uint8_t r, uint8_t g, uint8_t b);
+        uint16_t createRGBClassic(int r, int g, int b);
+        uint16_t createRGBF(float r, float g, float b);
+
+        // touch commands
+        void enableTouch();
+        void disableTouch();
+        eTouchStatus getTouchStatus();
+        TouchPoint getLastTouch();
+        void reset();
+
+        // misc commands
+        void getVersion();
+        void setOrientation(eScreenOrientation o);
+        bool setBaudRate(eBaudRate baud);
+        void setBacklight(bool state);
+        void setContrast(uint8_t value);
+
+        void setFillColor(uint16_t c);
+        void setStrokeColor(uint16_t c);
+
+    private:
+        void dropByte();
+        void dropBytes(uint16_t numBytes);
+        void dropByteAndWaitUntilReadable();
+        bool gack();
+        bool waitUntilReadable();
+
+        DigitalOut *_resetPin;
+        uint16_t _fillColor;
+        uint16_t _strokeColor;
+        bool _initOK;
+};
+
+
+/*
+Header (6 bytes as 3 words)
+word1 (Hi:Lo) = width : horizontal size of the image
+word2 (Hi:Lo) = height : vertical size of the image
+Word3 = colour_mode : 16dec = 65K colour mode, 16bits/2bytes per pixel (msb, lsb)
+
+The header is then followed by the pixel data
+Pixel1�PixelN: Image pixel data and N is the total number of pixels
+                         N = height x width when colour_mode = 0
+                         N = height x width x 2 when colour_mode = 1
+*/