main.cpp

00001 //MiniProject Day 7
00002 //If tapped, the mbed will either read from a temperature sensor or the compass
00003 #include "stdio.h"
00004 #include "mbed.h"
00005 #include "string"
00006 #include "ILI932x.h"
00007 #include "DmTouch.h"
00008 
00009 
00010 #include "Arial12x12.h"
00011 #include "Arial24x23.h"
00012 //#include "pavement_48x34.h"
00013 #include "mbed.h"
00014 #include "compass_sensor.h"
00015 #include "temp_sensor.h"
00016 #include "acceler_sensor.h"
00017 char orient=3; //orientation of the LCD and touch screen
00018 Serial pc(USBTX, USBRX);
00019 I2C i2c_port(p9, p10);                             // configures pins 9,10 for I2C communication with external sensors
00020 float temp2;
00021 int avg;
00022 int choice = 0; //choice for the buttons on the touch screen: 1 = acceleration, 2 = compass, 3 = temperature
00023 //const int addr1 = 0x53<<1;
00024 DigitalOut led1(LED1);                             // configures mbed internal LED 1
00025 DigitalOut led2(LED2);                             // configures mbed internal LED 2 
00026 DigitalIn interupt(p20);     // sets accelerometer interupt as digital input at pin 20;
00027 Timer sensor_timer;
00028 DmTouch touch(DmTouch::DM_TFT24_104, p5, p6, p7, p8, p11);    
00029 PinName dataBus[]= {p30, p29, p28, p27, p26, p25, p24, p23};
00030 ILI932x myLCD(BUS_8, dataBus, p15, p17, p16, p14, p20, "myLCD", 240, 320); // Bus 8 bit, bus pin array, CS, RST, DC, WR, RD, name, xpixels, ypixels
00031 bool down, lastDown;
00032 uint16_t tx, ty;
00033 Ticker inter_t; //Ticker for the touch screen
00034 Timer t;
00035 Timeout Response;
00036 float accel_x,accel_y,accel_mag;
00037 float compass_h; //compass heading
00038 float main_data[2];
00039 
00040 void UI() //the general UI code for the touch screen
00041 {
00042                 myLCD.set_font((unsigned char*) Arial24x23);
00043                 myLCD.locate(60, 100);
00044                 myLCD.printf("A"); //accleration label
00045                 myLCD.circle(60,100,30,Blue); //acceleration button
00046                 myLCD.locate(160, 100);
00047                 myLCD.printf("C"); //compass label
00048                 myLCD.circle(160,100,30,Green); //compass button
00049                 myLCD.locate(260, 100);
00050                 myLCD.printf("T"); //temp. label
00051                 myLCD.circle(260,100,30,Red); //temp. button
00052 }
00053 
00054 void button()
00055 {
00056     myLCD.cls(); //reset
00057     UI();
00058                             if (choice == 1) //acceleration
00059                             {
00060                                     myLCD.locate(60, 100);
00061                                     myLCD.printf("A");
00062                                     myLCD.fillcircle(60,100,30,Blue);
00063                                     getacceleration(main_data);
00064                                     accel_x = main_data[0];
00065                                     accel_y = main_data[1];
00066                                     accel_mag = sqrt((accel_x*accel_x)+(accel_y*accel_y));
00067                                     myLCD.locate(80,150);
00068                                     myLCD.printf("%f m/s^2",accel_mag);
00069                                  
00070                                 }
00071                             if (choice == 2) //compass
00072                             {
00073                                     myLCD.locate(160, 100);
00074                                     myLCD.printf("C");
00075                                     myLCD.fillcircle(160,100,30,Green);
00076                                     compass_h = compass_n();
00077                                     myLCD.locate(80, 150);
00078                                     myLCD.printf("%f degrees N", compass_h);
00079                                     //compass
00080                                 }
00081                             if (choice == 3) //temperature
00082                             {
00083                                     myLCD.locate(260, 100);
00084                                     myLCD.printf("T");
00085                                     myLCD.fillcircle(260,100,30,Red);
00086                                     temp2 = temperature();
00087                                     myLCD.locate(80, 150);
00088                                     myLCD.printf("%f C", temp2);
00089                                 }
00090 }
00091   
00092 int main() {
00093          myLCD.set_orientation(orient); //orientation of the screen
00094          myLCD.set_font((unsigned char*) Arial24x23); //font
00095         touch.setOrientation(orient); //orientation of the touch screen
00096         down = false; //down portion of the touch screen
00097         lastDown = false; //last down -- what down was last time
00098         tx = (uint16_t)0; //x-coordinates of the touch screen
00099         ty = (uint16_t)0; //y-coordinates of the touch screen
00100         //char sensorData[1];
00101         led1 = 0;
00102         led2 = 0;
00103         t.start();
00104         UI(); //sets the the UI
00105         touch.init(); //initializes touch screen
00106         compass_config();
00107         temperature_config();
00108         configure_acceleration();
00109         while(1){
00110             //myLCD.foreground(Black);
00111              //myLCD.background(White);   
00112 
00113             t.reset();
00114             while(t.read()<10)
00115             {
00116             touch.readTouchData(tx, ty, down); //reads in touch screen coordinates
00117                         if (down)
00118                         {
00119                             if(tx >= 30 && tx <= 90 && ty >= 70 && ty <= 130) //if the acceleration button is pressed
00120                             {
00121                                     if (choice == 2 || choice == 3) //if other buttons were pushed before
00122                                     {
00123                                         myLCD.cls(); //reset
00124                                         UI();
00125                                     }
00126                                     myLCD.fillcircle(60,100,30,Blue); //establish which button is pushed -- "highlight it"
00127                                     myLCD.locate(60, 100);
00128                                     myLCD.printf("A");
00129                                     choice = 1;
00130                             }
00131                             if(tx >= 130 && tx <= 190 && ty >= 70 && ty <= 130) //if the compass button is pressed
00132                             {
00133                                     if (choice == 1 || choice == 3) //if other buttons were pushed before
00134                                     {
00135                                         myLCD.cls(); //reset
00136                                         UI();
00137                                     }
00138                                     myLCD.fillcircle(160,100,30,Green); //establish which button is pushed
00139                                     myLCD.locate(160, 100);
00140                                     myLCD.printf("C");
00141                                     choice = 2;
00142                                     
00143                             }
00144                             if(tx >= 230 && tx <= 290 && ty >= 70 && ty <= 130) //if the temperature button is pressed
00145                             {
00146                                     if (choice == 1 || choice == 2) //if any other buttons were pushed before
00147                                     {
00148                                         myLCD.cls(); //reset
00149                                         UI();
00150                                     }
00151                                     myLCD.fillcircle(260,100,30,Red); //establish which button is pushed
00152                                     myLCD.locate(260, 100);
00153                                     myLCD.printf("T");
00154                                     choice = 3;
00155                             }
00156                         }
00157                         else if (lastDown)
00158                         {
00159                             button();
00160                         }
00161                     wait(0.040);
00162                     lastDown = down;
00163                     }
00164                     inter_t.attach(&button,10);
00165                     } 
00166                 }
00167 
00168 
00169 
00170