projets et TR -iut-cergy / Mbed 2 deprecated IUT-BED2021

projets de S3 s4 2021

Dependencies:   mbed TFT_fonts SPI_TFT_ILI9341

main.cpp@1:33506fcfdd95, 2019-01-07 (annotated)

Committer:
ecowboy
Date:
Mon Jan 07 16:15:52 2019 +0000
Revision:
1:33506fcfdd95
Parent:
0:42ec9a44bc24
Child:
2:fe018965e46c
Struct Point Change

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ecowboy 0:42ec9a44bc24 1 #include "mbed.h"
ecowboy 0:42ec9a44bc24 2 #include "ILI932x.h"
ecowboy 0:42ec9a44bc24 3
ecowboy 0:42ec9a44bc24 4 //#include "SDFileSystem.h"
ecowboy 0:42ec9a44bc24 5 //#include "SPI.h"
ecowboy 0:42ec9a44bc24 6 #include "BMP565.h"
ecowboy 0:42ec9a44bc24 7 #include "Arial12x12.h"
ecowboy 0:42ec9a44bc24 8 #include "stdio.h"
ecowboy 0:42ec9a44bc24 9 #include "touch.h"
ecowboy 0:42ec9a44bc24 10
ecowboy 0:42ec9a44bc24 11 // For better pressure precision, we need to know the resistance
ecowboy 0:42ec9a44bc24 12 // between X+ and X- Use any multimeter to read it
ecowboy 0:42ec9a44bc24 13 // The 2.8" TFT Touch shield has 300 ohms across the X plate
ecowboy 0:42ec9a44bc24 14
ecowboy 0:42ec9a44bc24 15 //Measured ADC values for (0,0) and (210-1,320-1)
ecowboy 0:42ec9a44bc24 16 //TS_MINX corresponds to ADC value when X = 0
ecowboy 0:42ec9a44bc24 17 //TS_MINY corresponds to ADC value when Y = 0
ecowboy 0:42ec9a44bc24 18 //TS_MAXX corresponds to ADC value when X = 240 -1
ecowboy 0:42ec9a44bc24 19 //TS_MAXY corresponds to ADC value when Y = 320 -1
ecowboy 0:42ec9a44bc24 20
ecowboy 0:42ec9a44bc24 21 #define TS_MINX 116*2
ecowboy 0:42ec9a44bc24 22 #define TS_MAXX 890*2
ecowboy 0:42ec9a44bc24 23 #define TS_MINY 83*2
ecowboy 0:42ec9a44bc24 24 #define TS_MAXY 913*2
ecowboy 0:42ec9a44bc24 25
ecowboy 0:42ec9a44bc24 26 #define PIN_YP PTB3 // must be an analog pin, use "An" notation!
ecowboy 0:42ec9a44bc24 27 #define PIN_XM PTB2 // must be an analog pin, use "An" notation!
ecowboy 0:42ec9a44bc24 28 #define PIN_YM PTD5 // can be a digital pin
ecowboy 0:42ec9a44bc24 29 #define PIN_XP PTA13 // can be a digital pin
ecowboy 0:42ec9a44bc24 30
ecowboy 0:42ec9a44bc24 31 #define PIN_CS_TFT PTB3
ecowboy 0:42ec9a44bc24 32 #define PIN_RST_TFT PTC2
ecowboy 0:42ec9a44bc24 33 #define PIN_DC_TFT PTB2
ecowboy 0:42ec9a44bc24 34 #define PIN_WR_TFT PTB1
ecowboy 0:42ec9a44bc24 35 #define PIN_RD_TFT PTB0
ecowboy 0:42ec9a44bc24 36
ecowboy 0:42ec9a44bc24 37 #if 0
ecowboy 0:42ec9a44bc24 38 #define PIN_CS_SD PTD0
ecowboy 0:42ec9a44bc24 39 #define PIN_MOSI PTD2
ecowboy 0:42ec9a44bc24 40 #define PIN_MISO PTD3
ecowboy 0:42ec9a44bc24 41 #define PIN_SCLK PTD1
ecowboy 0:42ec9a44bc24 42 #endif
ecowboy 0:42ec9a44bc24 43
ecowboy 0:42ec9a44bc24 44 #define PIN_CS_TSC PTD0
ecowboy 0:42ec9a44bc24 45 #define PIN_MOSI PTD2
ecowboy 0:42ec9a44bc24 46 #define PIN_MISO PTD3
ecowboy 0:42ec9a44bc24 47 #define PIN_SCLK PTD1
ecowboy 0:42ec9a44bc24 48
ecowboy 0:42ec9a44bc24 49 PinName dataBus[] = {PTA13,PTD5,PTD4,PTA12,PTA4,PTA5,PTC8,PTC9};
ecowboy 0:42ec9a44bc24 50
ecowboy 0:42ec9a44bc24 51 ILI932x TFT(BUS_8, dataBus, PIN_CS_TFT, PIN_RST_TFT, PIN_DC_TFT, PIN_WR_TFT, PIN_RD_TFT, "TFT", 240, 320);
ecowboy 0:42ec9a44bc24 52
ecowboy 0:42ec9a44bc24 53 //SDFileSystem sd(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_SD, "sd");
ecowboy 0:42ec9a44bc24 54
ecowboy 0:42ec9a44bc24 55 // Paint application - Demonstate both TFT and Touch Screen
ecowboy 0:42ec9a44bc24 56 int ColorPaletteHigh = 30;
ecowboy 0:42ec9a44bc24 57 int color = White; //Paint brush color
ecowboy 0:42ec9a44bc24 58 unsigned int colors[8] = {Red, Green, Blue, Cyan, Yellow, Black, White, LightGrey};
ecowboy 0:42ec9a44bc24 59
ecowboy 0:42ec9a44bc24 60
ecowboy 0:42ec9a44bc24 61 TouchScreen tft(PIN_XP, PIN_YP, PIN_XM, PIN_YM); //init TouchScreen port pins
ecowboy 0:42ec9a44bc24 62
ecowboy 1:33506fcfdd95 63 struct point
ecowboy 1:33506fcfdd95 64 {
ecowboy 1:33506fcfdd95 65 int x;
ecowboy 1:33506fcfdd95 66 int y;
ecowboy 1:33506fcfdd95 67 int z;
ecowboy 1:33506fcfdd95 68 };
ecowboy 1:33506fcfdd95 69
ecowboy 1:33506fcfdd95 70 typedef struct point Point;
ecowboy 1:33506fcfdd95 71
ecowboy 1:33506fcfdd95 72
ecowboy 1:33506fcfdd95 73 Point point(int xx, int yy, int zz){
ecowboy 1:33506fcfdd95 74 Point p;
ecowboy 1:33506fcfdd95 75 p.x = xx;
ecowboy 1:33506fcfdd95 76 p.y = yy;
ecowboy 1:33506fcfdd95 77 p.z = zz;
ecowboy 1:33506fcfdd95 78 return p;
ecowboy 1:33506fcfdd95 79 }
ecowboy 1:33506fcfdd95 80
ecowboy 1:33506fcfdd95 81 Point getPoint(){
ecowboy 1:33506fcfdd95 82 PinName _yp, _ym, _xm, _xp;
ecowboy 1:33506fcfdd95 83 int z = 0;
ecowboy 1:33506fcfdd95 84 int y2 = tft.readTouch(_xp,_xm,_yp,_ym);
ecowboy 1:33506fcfdd95 85 int x2 = tft.readTouch(_yp,_ym,_xm,_xp);
ecowboy 1:33506fcfdd95 86 int y1 = tft.readTouch(_xp,_xm,_ym,_yp);
ecowboy 1:33506fcfdd95 87 int x1 = tft.readTouch(_yp,_ym,_xp,_xm);
ecowboy 1:33506fcfdd95 88 int z2 = tft.readTouch(_ym,_xp,_yp,_xm);
ecowboy 1:33506fcfdd95 89 int z1 = tft.readTouch(_ym,_xp,_xm,_yp);
ecowboy 1:33506fcfdd95 90
ecowboy 1:33506fcfdd95 91 if (z1!=0){
ecowboy 1:33506fcfdd95 92 z = RXPLATE*x2/Q*(z2/z1-1);
ecowboy 1:33506fcfdd95 93 }else{
ecowboy 1:33506fcfdd95 94 z = 0;
ecowboy 1:33506fcfdd95 95 }
ecowboy 1:33506fcfdd95 96 int x = x2;
ecowboy 1:33506fcfdd95 97 int y = y2;
ecowboy 1:33506fcfdd95 98
ecowboy 1:33506fcfdd95 99 return point(x,y,z);
ecowboy 1:33506fcfdd95 100 }
ecowboy 0:42ec9a44bc24 101
ecowboy 0:42ec9a44bc24 102 int main(){
ecowboy 0:42ec9a44bc24 103
ecowboy 0:42ec9a44bc24 104 TFT.claim(stdout); // send stdout to the TFT display
ecowboy 0:42ec9a44bc24 105 TFT.set_orientation(0);
ecowboy 0:42ec9a44bc24 106 //TFT.Bitmap(28,90,265,65,p1);
ecowboy 0:42ec9a44bc24 107 //wait(1);
ecowboy 0:42ec9a44bc24 108 //TFT.cls();
ecowboy 0:42ec9a44bc24 109 TFT.set_font((unsigned char*) Arial12x12);
ecowboy 0:42ec9a44bc24 110 TFT.foreground(Cyan); // set chars to Cyan
ecowboy 0:42ec9a44bc24 111 TFT.locate(80,90);
ecowboy 0:42ec9a44bc24 112 //printf("Initializing z...\r\n");
ecowboy 0:42ec9a44bc24 113 for(int i = 0; i<8; i++){
ecowboy 0:42ec9a44bc24 114 TFT.fillrect(i*30, 0, 30*(i+1), ColorPaletteHigh, colors[i]);
ecowboy 0:42ec9a44bc24 115 }
ecowboy 0:42ec9a44bc24 116 int zz=0;
ecowboy 0:42ec9a44bc24 117 while(1){
ecowboy 0:42ec9a44bc24 118 zz = zz + 1;
ecowboy 0:42ec9a44bc24 119 // a point object holds x y and z coordinates.
ecowboy 1:33506fcfdd95 120 //Point p = getPoint();
ecowboy 0:42ec9a44bc24 121 //map the ADC value read to into pixel co-ordinates
ecowboy 0:42ec9a44bc24 122 //p.x = map(p.x, TS_MINX, TS_MAXX, 0, 240);
ecowboy 0:42ec9a44bc24 123 //p.y = map(p.y, TS_MINY, TS_MAXY, 0, 320);
ecowboy 0:42ec9a44bc24 124
ecowboy 0:42ec9a44bc24 125 // we have some minimum pressure we consider 'valid'
ecowboy 0:42ec9a44bc24 126 // pressure of 0 means no pressing!
ecowboy 1:33506fcfdd95 127 //TFT.locate(60,90);
ecowboy 1:33506fcfdd95 128 //printf("z = %d \r\n", p.x);
ecowboy 0:42ec9a44bc24 129 TFT.locate(60,120);
ecowboy 0:42ec9a44bc24 130 printf("Initializing z...%d \r\n",zz);
ecowboy 0:42ec9a44bc24 131 /*if (p.z > PRESSURE) {
ecowboy 0:42ec9a44bc24 132 // Detect paint brush color change
ecowboy 0:42ec9a44bc24 133 if(p.y < ColorPaletteHigh+2){
ecowboy 0:42ec9a44bc24 134 color = colors[p.x/30];
ecowboy 0:42ec9a44bc24 135 }else{
ecowboy 0:42ec9a44bc24 136 TFT.fillcircle(p.x,p.y,2,color);
ecowboy 0:42ec9a44bc24 137 }
ecowboy 0:42ec9a44bc24 138 }*/
ecowboy 0:42ec9a44bc24 139 }
ecowboy 0:42ec9a44bc24 140 }