Angel David Yaguana Hernandez
touch_tft.h@0:d0e2979d7ed6, 2012-04-10 (annotated)
- Committer:
- apm_litoral
- Date:
- Tue Apr 10 03:34:09 2012 +0000
- Revision:
- 0:d0e2979d7ed6
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| apm_litoral | 0:d0e2979d7ed6 | 1 | #ifndef MBED_TOUCH_H |
| apm_litoral | 0:d0e2979d7ed6 | 2 | #define MBED_TOUCH_H |
| apm_litoral | 0:d0e2979d7ed6 | 3 | |
| apm_litoral | 0:d0e2979d7ed6 | 4 | #include "mbed.h" |
| apm_litoral | 0:d0e2979d7ed6 | 5 | #include "SPI_TFT.h" |
| apm_litoral | 0:d0e2979d7ed6 | 6 | |
| apm_litoral | 0:d0e2979d7ed6 | 7 | struct point{ |
| apm_litoral | 0:d0e2979d7ed6 | 8 | unsigned short x; |
| apm_litoral | 0:d0e2979d7ed6 | 9 | unsigned short y; |
| apm_litoral | 0:d0e2979d7ed6 | 10 | }; |
| apm_litoral | 0:d0e2979d7ed6 | 11 | |
| apm_litoral | 0:d0e2979d7ed6 | 12 | |
| apm_litoral | 0:d0e2979d7ed6 | 13 | class touch_tft : public SPI_TFT{ |
| apm_litoral | 0:d0e2979d7ed6 | 14 | public: |
| apm_litoral | 0:d0e2979d7ed6 | 15 | /** create a TFT with touch object connected to the pins: |
| apm_litoral | 0:d0e2979d7ed6 | 16 | * |
| apm_litoral | 0:d0e2979d7ed6 | 17 | * @param pin xp resistiv touch x+ |
| apm_litoral | 0:d0e2979d7ed6 | 18 | * @param pin xm resistiv touch x- |
| apm_litoral | 0:d0e2979d7ed6 | 19 | * @param pin yp resistiv touch y+ |
| apm_litoral | 0:d0e2979d7ed6 | 20 | * @param pin ym resistiv touch y- |
| apm_litoral | 0:d0e2979d7ed6 | 21 | * @param mosi,miso,sclk SPI connection to TFT |
| apm_litoral | 0:d0e2979d7ed6 | 22 | * @param cs pin connected to CS of display |
| apm_litoral | 0:d0e2979d7ed6 | 23 | * @param reset pin connected to RESET of display |
| apm_litoral | 0:d0e2979d7ed6 | 24 | * based on my SPI_TFT lib |
| apm_litoral | 0:d0e2979d7ed6 | 25 | */ |
| apm_litoral | 0:d0e2979d7ed6 | 26 | touch_tft(PinName xp, PinName xm, PinName yp, PinName ym,PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName bk, const char* name ="TFT"); |
| apm_litoral | 0:d0e2979d7ed6 | 27 | |
| apm_litoral | 0:d0e2979d7ed6 | 28 | /** calibrate the touch display |
| apm_litoral | 0:d0e2979d7ed6 | 29 | * |
| apm_litoral | 0:d0e2979d7ed6 | 30 | * User is asked to touch on two points on the screen |
| apm_litoral | 0:d0e2979d7ed6 | 31 | */ |
| apm_litoral | 0:d0e2979d7ed6 | 32 | void calibrate(void); |
| apm_litoral | 0:d0e2979d7ed6 | 33 | |
| apm_litoral | 0:d0e2979d7ed6 | 34 | /** read x and y analog samples |
| apm_litoral | 0:d0e2979d7ed6 | 35 | * |
| apm_litoral | 0:d0e2979d7ed6 | 36 | * @returns point(x,y) |
| apm_litoral | 0:d0e2979d7ed6 | 37 | */ |
| apm_litoral | 0:d0e2979d7ed6 | 38 | point get_touch(void); |
| apm_litoral | 0:d0e2979d7ed6 | 39 | |
| apm_litoral | 0:d0e2979d7ed6 | 40 | /** calculate coord on screen |
| apm_litoral | 0:d0e2979d7ed6 | 41 | * |
| apm_litoral | 0:d0e2979d7ed6 | 42 | * @param a_point point(analog x, analog y) |
| apm_litoral | 0:d0e2979d7ed6 | 43 | * @returns point(pixel x, pixel y) |
| apm_litoral | 0:d0e2979d7ed6 | 44 | * |
| apm_litoral | 0:d0e2979d7ed6 | 45 | */ |
| apm_litoral | 0:d0e2979d7ed6 | 46 | point to_pixel(point a_point); |
| apm_litoral | 0:d0e2979d7ed6 | 47 | |
| apm_litoral | 0:d0e2979d7ed6 | 48 | /** test if screen is touched |
| apm_litoral | 0:d0e2979d7ed6 | 49 | * |
| apm_litoral | 0:d0e2979d7ed6 | 50 | * @param point analog x,y |
| apm_litoral | 0:d0e2979d7ed6 | 51 | * @returns true is touched |
| apm_litoral | 0:d0e2979d7ed6 | 52 | * |
| apm_litoral | 0:d0e2979d7ed6 | 53 | */ |
| apm_litoral | 0:d0e2979d7ed6 | 54 | point shared_pointer(unsigned int xo, unsigned int xf, unsigned int speed, unsigned repetitions); |
| apm_litoral | 0:d0e2979d7ed6 | 55 | |
| apm_litoral | 0:d0e2979d7ed6 | 56 | |
| apm_litoral | 0:d0e2979d7ed6 | 57 | |
| apm_litoral | 0:d0e2979d7ed6 | 58 | bool is_touched(point a); |
| apm_litoral | 0:d0e2979d7ed6 | 59 | |
| apm_litoral | 0:d0e2979d7ed6 | 60 | protected: |
| apm_litoral | 0:d0e2979d7ed6 | 61 | DigitalInOut _xp; |
| apm_litoral | 0:d0e2979d7ed6 | 62 | DigitalInOut _xm; |
| apm_litoral | 0:d0e2979d7ed6 | 63 | DigitalInOut _yp; |
| apm_litoral | 0:d0e2979d7ed6 | 64 | DigitalInOut _ym; |
| apm_litoral | 0:d0e2979d7ed6 | 65 | AnalogIn _ax; |
| apm_litoral | 0:d0e2979d7ed6 | 66 | AnalogIn _ay; |
| apm_litoral | 0:d0e2979d7ed6 | 67 | PinName xa; |
| apm_litoral | 0:d0e2979d7ed6 | 68 | PinName ya; |
| apm_litoral | 0:d0e2979d7ed6 | 69 | |
| apm_litoral | 0:d0e2979d7ed6 | 70 | |
| apm_litoral | 0:d0e2979d7ed6 | 71 | unsigned short x_a,y_a; |
| apm_litoral | 0:d0e2979d7ed6 | 72 | unsigned short x_off,y_off; |
| apm_litoral | 0:d0e2979d7ed6 | 73 | unsigned short pp_tx,pp_ty; |
| apm_litoral | 0:d0e2979d7ed6 | 74 | |
| apm_litoral | 0:d0e2979d7ed6 | 75 | |
| apm_litoral | 0:d0e2979d7ed6 | 76 | |
| apm_litoral | 0:d0e2979d7ed6 | 77 | }; |
| apm_litoral | 0:d0e2979d7ed6 | 78 | |
| apm_litoral | 0:d0e2979d7ed6 | 79 | #endif |