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

projets de S3 s4 2021

Dependencies:   mbed TFT_fonts SPI_TFT_ILI9341

main.cpp@4:87b40e5986e7, 2019-01-10 (annotated)

Committer:
ecowboy
Date:
Thu Jan 10 03:48:37 2019 +0000
Revision:
4:87b40e5986e7
Parent:
3:1396bac4ae71
Child:
5:80791250acb2
touch class enabled and working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ecowboy 0:42ec9a44bc24 1 #include "mbed.h"
ecowboy 3:1396bac4ae71 2 #include "SPI_TFT_ILI9341.h"
ecowboy 3:1396bac4ae71 3 #include "Arial12x12.h"
ecowboy 0:42ec9a44bc24 4 #include "BMP565.h"
ecowboy 0:42ec9a44bc24 5 #include "stdio.h"
ecowboy 0:42ec9a44bc24 6 #include "touch.h"
ecowboy 0:42ec9a44bc24 7
ecowboy 0:42ec9a44bc24 8
ecowboy 3:1396bac4ae71 9 #define PIN_XP PTB3
ecowboy 3:1396bac4ae71 10 #define PIN_XM PTB2
ecowboy 3:1396bac4ae71 11 #define PIN_YP PTB1
ecowboy 3:1396bac4ae71 12 #define PIN_YM PTB0
ecowboy 3:1396bac4ae71 13 #define PIN_MOSI PTD2
ecowboy 3:1396bac4ae71 14 #define PIN_MISO PTD3
ecowboy 3:1396bac4ae71 15 #define PIN_SCLK PTD1
ecowboy 3:1396bac4ae71 16 #define PIN_CS_TFT PTA5
ecowboy 3:1396bac4ae71 17 #define PIN_DC_TFT PTC8
ecowboy 3:1396bac4ae71 18 #define PIN_BL_TFT PTC9
ecowboy 3:1396bac4ae71 19 #define PIN_CS_SD PTA4
ecowboy 0:42ec9a44bc24 20
ecowboy 0:42ec9a44bc24 21
ecowboy 3:1396bac4ae71 22 SPI_TFT_ILI9341 TFT(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TFT, PIN_BL_TFT, PIN_DC_TFT, "TFT");
ecowboy 3:1396bac4ae71 23 TouchScreen tft(PIN_XP, PIN_YP, PIN_XM, PIN_YM); //init TouchScreen port pins
ecowboy 0:42ec9a44bc24 24
ecowboy 0:42ec9a44bc24 25
ecowboy 0:42ec9a44bc24 26 // Paint application - Demonstate both TFT and Touch Screen
ecowboy 3:1396bac4ae71 27 int ColorPaletteHigh = 15;
ecowboy 0:42ec9a44bc24 28 int color = White; //Paint brush color
ecowboy 3:1396bac4ae71 29 unsigned int colors[16] = {Red, Green, Blue, Cyan, Yellow, Purple, Pink, Black, Orange, Brown, BlueGreen, White, LightPink, DarkGrey, DarkGreen, Mustard};
ecowboy 0:42ec9a44bc24 30
ecowboy 3:1396bac4ae71 31 int RXPLATE = 350;
ecowboy 3:1396bac4ae71 32 int Q = 1024; //10 bit TSC Resolution
ecowboy 0:42ec9a44bc24 33
ecowboy 1:33506fcfdd95 34 struct point
ecowboy 1:33506fcfdd95 35 {
ecowboy 1:33506fcfdd95 36 int x;
ecowboy 1:33506fcfdd95 37 int y;
ecowboy 1:33506fcfdd95 38 int z;
ecowboy 1:33506fcfdd95 39 };
ecowboy 1:33506fcfdd95 40
ecowboy 1:33506fcfdd95 41 typedef struct point Point;
ecowboy 1:33506fcfdd95 42
ecowboy 1:33506fcfdd95 43
ecowboy 1:33506fcfdd95 44 Point point(int xx, int yy, int zz){
ecowboy 1:33506fcfdd95 45 Point p;
ecowboy 1:33506fcfdd95 46 p.x = xx;
ecowboy 1:33506fcfdd95 47 p.y = yy;
ecowboy 1:33506fcfdd95 48 p.z = zz;
ecowboy 1:33506fcfdd95 49 return p;
ecowboy 3:1396bac4ae71 50 }
ecowboy 3:1396bac4ae71 51
ecowboy 3:1396bac4ae71 52 int Read_X(){
ecowboy 3:1396bac4ae71 53 AnalogIn _yp(PTB2);
ecowboy 3:1396bac4ae71 54 AnalogIn _ym(PTB0);
ecowboy 3:1396bac4ae71 55 DigitalOut _xp(PTB3);
ecowboy 3:1396bac4ae71 56 DigitalOut _xm(PTB1);
ecowboy 3:1396bac4ae71 57 //uint16_t x1=1;
ecowboy 3:1396bac4ae71 58 //uint16_t x2=0;
ecowboy 3:1396bac4ae71 59 int x1=1;
ecowboy 3:1396bac4ae71 60 int x2=0;
ecowboy 3:1396bac4ae71 61 _xp = 1;
ecowboy 3:1396bac4ae71 62 _xm = 0;
ecowboy 3:1396bac4ae71 63 wait_us(50);
ecowboy 3:1396bac4ae71 64 //while(x1 != x2){
ecowboy 3:1396bac4ae71 65 x1 = _yp.read_u16();
ecowboy 3:1396bac4ae71 66 wait_us(50);
ecowboy 3:1396bac4ae71 67 x2 = _yp.read_u16();
ecowboy 3:1396bac4ae71 68 wait_us(50);
ecowboy 3:1396bac4ae71 69 //}
ecowboy 3:1396bac4ae71 70 _xp=0;
ecowboy 3:1396bac4ae71 71 return (x1+x2)/2;
ecowboy 3:1396bac4ae71 72 }
ecowboy 3:1396bac4ae71 73
ecowboy 3:1396bac4ae71 74 int Read_Y(){
ecowboy 3:1396bac4ae71 75 AnalogIn _xp(PTB3);
ecowboy 3:1396bac4ae71 76 AnalogIn _xm(PTB1);
ecowboy 3:1396bac4ae71 77 DigitalOut _yp(PTB2);
ecowboy 3:1396bac4ae71 78 DigitalOut _ym(PTB0);
ecowboy 3:1396bac4ae71 79 //uint16_t y1=1;
ecowboy 3:1396bac4ae71 80 //uint16_t y2=0;
ecowboy 3:1396bac4ae71 81 int y1=1;
ecowboy 3:1396bac4ae71 82 int y2=0;
ecowboy 3:1396bac4ae71 83 _yp = 1;
ecowboy 3:1396bac4ae71 84 _ym = 0;
ecowboy 3:1396bac4ae71 85 wait_us(50);
ecowboy 3:1396bac4ae71 86 //while(y1 != y2){
ecowboy 3:1396bac4ae71 87 y1 = _xp.read_u16();
ecowboy 3:1396bac4ae71 88 wait_us(50);
ecowboy 3:1396bac4ae71 89 y2 = _xp.read_u16();
ecowboy 3:1396bac4ae71 90 wait_us(50);
ecowboy 3:1396bac4ae71 91 //}
ecowboy 3:1396bac4ae71 92 _yp=0;
ecowboy 3:1396bac4ae71 93 return (y1+y2)/2;
ecowboy 3:1396bac4ae71 94 }
ecowboy 3:1396bac4ae71 95
ecowboy 3:1396bac4ae71 96 int Read_Z1(){
ecowboy 3:1396bac4ae71 97 AnalogIn _ym(PTB0);
ecowboy 3:1396bac4ae71 98 AnalogIn _xp(PTB3);
ecowboy 3:1396bac4ae71 99 DigitalOut _yp(PTB2);
ecowboy 3:1396bac4ae71 100 DigitalOut _xm(PTB1);
ecowboy 3:1396bac4ae71 101 //uint16_t y1=1;
ecowboy 3:1396bac4ae71 102 //uint16_t y2=0;
ecowboy 3:1396bac4ae71 103 int y1=1;
ecowboy 3:1396bac4ae71 104 int y2=0;
ecowboy 3:1396bac4ae71 105 _yp = 1;
ecowboy 3:1396bac4ae71 106 _xm = 0;
ecowboy 3:1396bac4ae71 107 wait_us(50);
ecowboy 3:1396bac4ae71 108 //while(y1 != y2){
ecowboy 3:1396bac4ae71 109 int z1 = _xp.read_u16();
ecowboy 3:1396bac4ae71 110 wait_us(50);
ecowboy 3:1396bac4ae71 111 int z2 = _xp.read_u16();
ecowboy 3:1396bac4ae71 112 wait_us(50);
ecowboy 3:1396bac4ae71 113 //}
ecowboy 3:1396bac4ae71 114 _yp=0;
ecowboy 3:1396bac4ae71 115 return (z1+z2)/2;
ecowboy 3:1396bac4ae71 116 }
ecowboy 3:1396bac4ae71 117
ecowboy 3:1396bac4ae71 118 int Read_Z2(){
ecowboy 3:1396bac4ae71 119 AnalogIn _ym(PTB0);
ecowboy 3:1396bac4ae71 120 AnalogIn _xp(PTB3);
ecowboy 3:1396bac4ae71 121 DigitalOut _yp(PTB2);
ecowboy 3:1396bac4ae71 122 DigitalOut _xm(PTB1);
ecowboy 3:1396bac4ae71 123 //uint16_t y1=1;
ecowboy 3:1396bac4ae71 124 //uint16_t y2=0;
ecowboy 3:1396bac4ae71 125 int y1=1;
ecowboy 3:1396bac4ae71 126 int y2=0;
ecowboy 3:1396bac4ae71 127 _yp = 1;
ecowboy 3:1396bac4ae71 128 _xm = 0;
ecowboy 3:1396bac4ae71 129 wait_us(50);
ecowboy 3:1396bac4ae71 130 //while(y1 != y2){
ecowboy 3:1396bac4ae71 131 int z1 = _ym.read_u16();
ecowboy 3:1396bac4ae71 132 wait_us(50);
ecowboy 3:1396bac4ae71 133 int z2 = _ym.read_u16();
ecowboy 3:1396bac4ae71 134 wait_us(50);
ecowboy 3:1396bac4ae71 135 //}
ecowboy 3:1396bac4ae71 136 _yp=0;
ecowboy 3:1396bac4ae71 137 return (z1+z2)/2;
ecowboy 3:1396bac4ae71 138 }
ecowboy 3:1396bac4ae71 139
ecowboy 3:1396bac4ae71 140
ecowboy 1:33506fcfdd95 141 Point getPoint(){
ecowboy 3:1396bac4ae71 142
ecowboy 3:1396bac4ae71 143 //PinName _yp, _ym, _xm, _xp;
ecowboy 3:1396bac4ae71 144 float z;
ecowboy 3:1396bac4ae71 145
ecowboy 4:87b40e5986e7 146 //int y2 = Read_Y();
ecowboy 3:1396bac4ae71 147 int x2 = Read_X();
ecowboy 3:1396bac4ae71 148 int z1 = Read_Z1();
ecowboy 3:1396bac4ae71 149 int z2 = Read_Z2();
ecowboy 2:fe018965e46c 150
ecowboy 4:87b40e5986e7 151 //int y2 = tft.readTouch();
ecowboy 4:87b40e5986e7 152 int y2 = tft.readTouch(PTB3, PTB1, PTB2, PTB0);
ecowboy 3:1396bac4ae71 153 //int y2 = tft.readTouch(_yp,_ym,_xp,_xm);
ecowboy 3:1396bac4ae71 154 /*int x2 = tft.readTouch(_xp,_xm,_yp,_ym);
ecowboy 3:1396bac4ae71 155 int y1 = tft.readTouch(_yp,_ym,_xm,_xp);
ecowboy 3:1396bac4ae71 156 int x1 = tft.readTouch(_xp,_xm,_ym,_yp);
ecowboy 3:1396bac4ae71 157 int z2 = tft.readTouch(_yp,_xm,_ym,_xp);
ecowboy 3:1396bac4ae71 158 int z1 = tft.readTouch(_yp,_xm,_xp,_ym);*/
ecowboy 2:fe018965e46c 159
ecowboy 3:1396bac4ae71 160 //int y2 = 700;
ecowboy 3:1396bac4ae71 161 //int x2 = 600;
ecowboy 3:1396bac4ae71 162 //int z2 = 110;
ecowboy 3:1396bac4ae71 163 //int z1 = 100;
ecowboy 3:1396bac4ae71 164
ecowboy 1:33506fcfdd95 165 if (z1!=0){
ecowboy 3:1396bac4ae71 166 z = (float)z2/(float)z1;
ecowboy 1:33506fcfdd95 167 }else{
ecowboy 1:33506fcfdd95 168 z = 0;
ecowboy 1:33506fcfdd95 169 }
ecowboy 1:33506fcfdd95 170 int x = x2;
ecowboy 1:33506fcfdd95 171 int y = y2;
ecowboy 1:33506fcfdd95 172 return point(x,y,z);
ecowboy 1:33506fcfdd95 173 }
ecowboy 3:1396bac4ae71 174
ecowboy 0:42ec9a44bc24 175 int main(){
ecowboy 0:42ec9a44bc24 176 TFT.claim(stdout); // send stdout to the TFT display
ecowboy 0:42ec9a44bc24 177 TFT.set_orientation(0);
ecowboy 0:42ec9a44bc24 178 //TFT.Bitmap(28,90,265,65,p1);
ecowboy 0:42ec9a44bc24 179 //wait(1);
ecowboy 0:42ec9a44bc24 180 //TFT.cls();
ecowboy 0:42ec9a44bc24 181 TFT.set_font((unsigned char*) Arial12x12);
ecowboy 0:42ec9a44bc24 182 TFT.foreground(Cyan); // set chars to Cyan
ecowboy 3:1396bac4ae71 183 TFT.background(Purple); // set background to Purple
ecowboy 0:42ec9a44bc24 184 TFT.locate(80,90);
ecowboy 0:42ec9a44bc24 185 //printf("Initializing z...\r\n");
ecowboy 3:1396bac4ae71 186 for(int i = 0; i<16; i++){
ecowboy 3:1396bac4ae71 187 TFT.fillrect(i*15, 0, 15*(i+1), ColorPaletteHigh, colors[i]);
ecowboy 0:42ec9a44bc24 188 }
ecowboy 3:1396bac4ae71 189 float TS_MINX = 5500;
ecowboy 3:1396bac4ae71 190 float TS_MAXX = 58100;
ecowboy 3:1396bac4ae71 191 float TS_MINY = 4700;
ecowboy 3:1396bac4ae71 192 float TS_MAXY = 57600;
ecowboy 3:1396bac4ae71 193 int PRESSURE = 200;
ecowboy 0:42ec9a44bc24 194 while(1){
ecowboy 0:42ec9a44bc24 195 // a point object holds x y and z coordinates.
ecowboy 3:1396bac4ae71 196 //TFT.BusEnable(false);
ecowboy 2:fe018965e46c 197 Point p = getPoint();
ecowboy 3:1396bac4ae71 198 //TFT.BusEnable(true);
ecowboy 0:42ec9a44bc24 199 //map the ADC value read to into pixel co-ordinates
ecowboy 2:fe018965e46c 200 p.x = map(p.x, TS_MINX, TS_MAXX, 0, 240);
ecowboy 2:fe018965e46c 201 p.y = map(p.y, TS_MINY, TS_MAXY, 0, 320);
ecowboy 3:1396bac4ae71 202 p.z = p.x * RXPLATE / Q * (p.z -1);
ecowboy 0:42ec9a44bc24 203 // we have some minimum pressure we consider 'valid'
ecowboy 0:42ec9a44bc24 204 // pressure of 0 means no pressing!
ecowboy 3:1396bac4ae71 205 /*TFT.locate(60,90);
ecowboy 2:fe018965e46c 206 printf("x = %d \r\n", p.x);
ecowboy 2:fe018965e46c 207 TFT.locate(60,110);
ecowboy 2:fe018965e46c 208 printf("y = %d \r\n", p.y);
ecowboy 2:fe018965e46c 209 TFT.locate(60,130);
ecowboy 2:fe018965e46c 210 printf("z = %d \r\n", p.z);
ecowboy 3:1396bac4ae71 211 //TFT.locate(60,170);*/
ecowboy 3:1396bac4ae71 212 //printf("Initializing z...%d \r\n",zx);
ecowboy 3:1396bac4ae71 213 if (p.z > 40 && p.z < PRESSURE) {
ecowboy 0:42ec9a44bc24 214 // Detect paint brush color change
ecowboy 3:1396bac4ae71 215 if(int(p.y) < ColorPaletteHigh+2){
ecowboy 3:1396bac4ae71 216 color = colors[int(p.x)/15];
ecowboy 0:42ec9a44bc24 217 }else{
ecowboy 3:1396bac4ae71 218 TFT.fillcircle(int(p.x),int(p.y),2,color);
ecowboy 0:42ec9a44bc24 219 }
ecowboy 2:fe018965e46c 220 }
ecowboy 0:42ec9a44bc24 221 }
ecowboy 0:42ec9a44bc24 222 }