Peter Drescher / SPI_TFT_old

Library to control a QVGA TFT connected to SPI. You can use printf to print text The lib can handle different fonts, draw lines, circles, rect and bmp

SPI_TFT.h@0:cccc5726bdf3, 2011-07-12 (annotated)

Committer:
dreschpe
Date:
Tue Jul 12 08:27:34 2011 +0000
Revision:
0:cccc5726bdf3
Child:
1:aa3356b16080
0.8

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:cccc5726bdf3 1 /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
dreschpe 0:cccc5726bdf3 2 * Copyright (c) 2011 Peter Drescher - DC2PD
dreschpe 0:cccc5726bdf3 3 *
dreschpe 0:cccc5726bdf3 4 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:cccc5726bdf3 5 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:cccc5726bdf3 6 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:cccc5726bdf3 7 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:cccc5726bdf3 8 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:cccc5726bdf3 9 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:cccc5726bdf3 10 * THE SOFTWARE.
dreschpe 0:cccc5726bdf3 11 */
dreschpe 0:cccc5726bdf3 12
dreschpe 0:cccc5726bdf3 13 #ifndef MBED_SPI_TFT_H
dreschpe 0:cccc5726bdf3 14 #define MBED_SPI_TFT_H
dreschpe 0:cccc5726bdf3 15
dreschpe 0:cccc5726bdf3 16 #include "mbed.h"
dreschpe 0:cccc5726bdf3 17 #include "GraphicsDisplay.h"
dreschpe 0:cccc5726bdf3 18
dreschpe 0:cccc5726bdf3 19 #define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
dreschpe 0:cccc5726bdf3 20
dreschpe 0:cccc5726bdf3 21 #define SPI_START (0x70) /* Start byte for SPI transfer */
dreschpe 0:cccc5726bdf3 22 #define SPI_RD (0x01) /* WR bit 1 within start */
dreschpe 0:cccc5726bdf3 23 #define SPI_WR (0x00) /* WR bit 0 within start */
dreschpe 0:cccc5726bdf3 24 #define SPI_DATA (0x02) /* RS bit 1 within start byte */
dreschpe 0:cccc5726bdf3 25 #define SPI_INDEX (0x00) /* RS bit 0 within start byte */
dreschpe 0:cccc5726bdf3 26
dreschpe 0:cccc5726bdf3 27
dreschpe 0:cccc5726bdf3 28 /* some RGB color definitions */
dreschpe 0:cccc5726bdf3 29 #define Black 0x0000 /* 0, 0, 0 */
dreschpe 0:cccc5726bdf3 30 #define Navy 0x000F /* 0, 0, 128 */
dreschpe 0:cccc5726bdf3 31 #define DarkGreen 0x03E0 /* 0, 128, 0 */
dreschpe 0:cccc5726bdf3 32 #define DarkCyan 0x03EF /* 0, 128, 128 */
dreschpe 0:cccc5726bdf3 33 #define Maroon 0x7800 /* 128, 0, 0 */
dreschpe 0:cccc5726bdf3 34 #define Purple 0x780F /* 128, 0, 128 */
dreschpe 0:cccc5726bdf3 35 #define Olive 0x7BE0 /* 128, 128, 0 */
dreschpe 0:cccc5726bdf3 36 #define LightGrey 0xC618 /* 192, 192, 192 */
dreschpe 0:cccc5726bdf3 37 #define DarkGrey 0x7BEF /* 128, 128, 128 */
dreschpe 0:cccc5726bdf3 38 #define Blue 0x001F /* 0, 0, 255 */
dreschpe 0:cccc5726bdf3 39 #define Green 0x07E0 /* 0, 255, 0 */
dreschpe 0:cccc5726bdf3 40 #define Cyan 0x07FF /* 0, 255, 255 */
dreschpe 0:cccc5726bdf3 41 #define Red 0xF800 /* 255, 0, 0 */
dreschpe 0:cccc5726bdf3 42 #define Magenta 0xF81F /* 255, 0, 255 */
dreschpe 0:cccc5726bdf3 43 #define Yellow 0xFFE0 /* 255, 255, 0 */
dreschpe 0:cccc5726bdf3 44 #define White 0xFFFF /* 255, 255, 255 */
dreschpe 0:cccc5726bdf3 45
dreschpe 0:cccc5726bdf3 46
dreschpe 0:cccc5726bdf3 47
dreschpe 0:cccc5726bdf3 48 class SPI_TFT : public GraphicsDisplay {
dreschpe 0:cccc5726bdf3 49 public:
dreschpe 0:cccc5726bdf3 50 SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset,const char* name ="TFT");
dreschpe 0:cccc5726bdf3 51 virtual int width();
dreschpe 0:cccc5726bdf3 52 virtual int height();
dreschpe 0:cccc5726bdf3 53 virtual void pixel(int x, int y, int colour);
dreschpe 0:cccc5726bdf3 54 void circle(int x, int y, int r, int colour);
dreschpe 0:cccc5726bdf3 55 void line(int x0, int y0, int x1, int y1, int colour);
dreschpe 0:cccc5726bdf3 56 void rect(int x0, int y0, int x1, int y1, int colour);
dreschpe 0:cccc5726bdf3 57 void fillrect(int x0, int y0, int x1, int y1, int colour);
dreschpe 0:cccc5726bdf3 58 void locate(int column, int row);
dreschpe 0:cccc5726bdf3 59 virtual void cls (void);
dreschpe 0:cccc5726bdf3 60 int columns(void);
dreschpe 0:cccc5726bdf3 61 int rows(void);
dreschpe 0:cccc5726bdf3 62 int _putc(int value);
dreschpe 0:cccc5726bdf3 63 virtual void character(int col, int row, int c);
dreschpe 0:cccc5726bdf3 64 void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
dreschpe 0:cccc5726bdf3 65 void set_font(unsigned char* f);
dreschpe 0:cccc5726bdf3 66 void set_orientation(unsigned int o);
dreschpe 0:cccc5726bdf3 67
dreschpe 0:cccc5726bdf3 68 SPI _spi;
dreschpe 0:cccc5726bdf3 69 DigitalOut _cs;
dreschpe 0:cccc5726bdf3 70 DigitalOut _reset;
dreschpe 0:cccc5726bdf3 71 unsigned char* font;
dreschpe 0:cccc5726bdf3 72
dreschpe 0:cccc5726bdf3 73 protected:
dreschpe 0:cccc5726bdf3 74 void hline(int x0, int x1, int y, int colour);
dreschpe 0:cccc5726bdf3 75 void vline(int y0, int y1, int x, int colour);
dreschpe 0:cccc5726bdf3 76 void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h);
dreschpe 0:cccc5726bdf3 77 void WindowMax (void);
dreschpe 0:cccc5726bdf3 78 void tft_reset();
dreschpe 0:cccc5726bdf3 79 void wr_dat(int value);
dreschpe 0:cccc5726bdf3 80 void wr_cmd(int value);
dreschpe 0:cccc5726bdf3 81 void wr_dat_start();
dreschpe 0:cccc5726bdf3 82 void wr_dat_stop();
dreschpe 0:cccc5726bdf3 83 void wr_dat_only(unsigned short dat);
dreschpe 0:cccc5726bdf3 84 unsigned short rd_dat(void);
dreschpe 0:cccc5726bdf3 85 void wr_reg (unsigned char reg, unsigned short val);
dreschpe 0:cccc5726bdf3 86 unsigned short rd_reg (unsigned char reg);
dreschpe 0:cccc5726bdf3 87
dreschpe 0:cccc5726bdf3 88 unsigned int orientation;
dreschpe 0:cccc5726bdf3 89 unsigned int char_x;
dreschpe 0:cccc5726bdf3 90
dreschpe 0:cccc5726bdf3 91 };
dreschpe 0:cccc5726bdf3 92
dreschpe 0:cccc5726bdf3 93 #endif