Diff: touch_tft.h

Revision:

3:3db7309b6146

Parent:

2:ef7972c29c0e

Child:

4:a3cd26c97b76

--- a/touch_tft.h	Sun Sep 04 21:23:31 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,123 +0,0 @@
-/* mbed library for touchscreen connected to 4 mbed pins
- * derive from SPI_TFT lib 
- * 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_TOUCH_H
-#define MBED_TOUCH_H
-
-#include "mbed.h"
-#include "SPI_TFT.h"
-
-struct point{
-       unsigned short x;
-       unsigned short y;
-       };
-
-
-/** touchscreen control class, based on SPI_TFT
- *
- * Example:
- * @code
- * 
- * #include "mbed.h"
- * #include "SPI_TFT.h"
- * #include "Arial12x12.h"
- * #include "Arial28x28.h"
- * #include "touch_tft.h"
- * // the TFT is connected to SPI pin 5-7
- * // the touch is connected to 19,20,16,17
- *
- * touch_tft tt(p19,p20,p16,p17,p5, p6, p7, p8, p15,"TFT"); // x+,x-,y+,y-,mosi, miso, sclk, cs, reset
- *
- * int main() {
- * point p;
- *
- *  tt.claim(stdout);        // send stdout to the TFT display
- *  tt.background(Black);    // set background to black
- *  tt.foreground(White);    // set chars to white
- *  tt.cls();                // clear the screen
- *  tt.set_font((unsigned char*) Arial12x12);  // select the font
- *  tt.set_orientation(1);
- *
- *  tt.calibrate();          // calibrate the touch
- * while (1) {
- *       p = tt.get_touch();   // read analog pos.
- *       if (tt.is_touched(p)) {  // test if touched
- *           p = tt.to_pixel(p);             // convert to pixel pos
- *           tt.fillcircle(p.x,p.y,3,Blue);  // print a blue dot on the screen
- *     }
- * }
- * @endcode
- */
-class touch_tft : public  SPI_TFT{
-public:
-    /** create a TFT with touch object connected to the pins:
-     *
-     * @param pin xp resistiv touch x+
-     * @param pin xm resistiv touch x-
-     * @param pin yp resistiv touch y+
-     * @param pin ym resistiv touch y-
-     * @param mosi,miso,sclk SPI connection to TFT
-     * @param cs pin connected to CS of display
-     * @param reset pin connected to RESET of display 
-     * based on my SPI_TFT lib
-     */
-    touch_tft(PinName xp, PinName xm, PinName yp, PinName ym,PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset,const char* name ="TFT");
-    
-    /** calibrate the touch display
-     *
-     * User is asked to touch on two points on the screen
-     */   
-    void calibrate(void);
-    
-    /** read x and y analog samples
-     *
-     * @returns point(x,y)
-     */
-    point get_touch(void);
-    
-    /** calculate coord on screen
-     *
-     * @param a_point point(analog x, analog y)
-     * @returns point(pixel x, pixel y)
-     *
-     */
-    point to_pixel(point a_point);
-    
-    /** test if screen is touched
-     * 
-     * @param point analog x,y
-     * @returns true is touched
-     *
-     */   
-    bool is_touched(point a);    
-    
-protected:
-    DigitalInOut _xp;
-    DigitalInOut _xm;
-    DigitalInOut _yp;
-    DigitalInOut _ym;
-    AnalogIn     _ax;
-    AnalogIn     _ay;
-    PinName xa;
-    PinName ya;
-    
-    
-    unsigned short x_a,y_a;
-    unsigned short x_off,y_off;
-    unsigned short pp_tx,pp_ty;
-    
-    
-           
-    };
-
-#endif
\ No newline at end of file