Diff: SPI_TFT.h

Revision:

0:cccc5726bdf3

Child:

1:aa3356b16080

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI_TFT.h	Tue Jul 12 08:27:34 2011 +0000
@@ -0,0 +1,93 @@
+/* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
+ * Copyright (c) 2011 Peter Drescher - DC2PD
+ *
+ * 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 MBED_SPI_TFT_H
+#define MBED_SPI_TFT_H
+
+#include "mbed.h"
+#include "GraphicsDisplay.h"
+
+#define RGB(r,g,b)  (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
+
+#define SPI_START   (0x70)              /* Start byte for SPI transfer        */
+#define SPI_RD      (0x01)              /* WR bit 1 within start              */
+#define SPI_WR      (0x00)              /* WR bit 0 within start              */
+#define SPI_DATA    (0x02)              /* RS bit 1 within start byte         */
+#define SPI_INDEX   (0x00)              /* RS bit 0 within start byte         */
+
+
+/* some RGB color definitions                                                 */
+#define Black           0x0000      /*   0,   0,   0 */
+#define Navy            0x000F      /*   0,   0, 128 */
+#define DarkGreen       0x03E0      /*   0, 128,   0 */
+#define DarkCyan        0x03EF      /*   0, 128, 128 */
+#define Maroon          0x7800      /* 128,   0,   0 */
+#define Purple          0x780F      /* 128,   0, 128 */
+#define Olive           0x7BE0      /* 128, 128,   0 */
+#define LightGrey       0xC618      /* 192, 192, 192 */
+#define DarkGrey        0x7BEF      /* 128, 128, 128 */
+#define Blue            0x001F      /*   0,   0, 255 */
+#define Green           0x07E0      /*   0, 255,   0 */
+#define Cyan            0x07FF      /*   0, 255, 255 */
+#define Red             0xF800      /* 255,   0,   0 */
+#define Magenta         0xF81F      /* 255,   0, 255 */
+#define Yellow          0xFFE0      /* 255, 255, 0   */
+#define White           0xFFFF      /* 255, 255, 255 */
+
+
+
+class SPI_TFT : public GraphicsDisplay {
+public:
+    SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset,const char* name ="TFT");
+    virtual int width();
+    virtual int height();
+    virtual void pixel(int x, int y, int colour);
+    void circle(int x, int y, int r, int colour); 
+    void line(int x0, int y0, int x1, int y1, int colour);
+    void rect(int x0, int y0, int x1, int y1, int colour);
+    void fillrect(int x0, int y0, int x1, int y1, int colour);
+    void locate(int column, int row);
+    virtual void cls (void);   
+    int columns(void);
+    int rows(void);
+    int _putc(int value);
+    virtual void character(int col, int row, int c);
+    void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
+    void set_font(unsigned char* f);
+    void set_orientation(unsigned int o);
+    
+    SPI _spi;
+    DigitalOut _cs;
+    DigitalOut _reset;
+    unsigned char* font;
+    
+protected:
+    void hline(int x0, int x1, int y, int colour);
+    void vline(int y0, int y1, int x, int colour);
+    void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h);
+    void WindowMax (void);
+    void tft_reset();
+    void wr_dat(int value);
+    void wr_cmd(int value);
+    void wr_dat_start();
+    void wr_dat_stop();
+    void wr_dat_only(unsigned short dat);
+    unsigned short rd_dat(void);
+    void wr_reg (unsigned char reg, unsigned short val);
+    unsigned short rd_reg (unsigned char reg);
+    
+    unsigned int orientation;
+    unsigned int char_x;
+    
+};
+
+#endif