Jingyuan Zhou
My ELEC2645 Project Zhou Jingyuan 200986046
Dependencies: ZhouJingyuan mbed
Diff: main.cpp
- Revision:
- 0:c5868f162227
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu May 05 12:39:59 2016 +0000
@@ -0,0 +1,544 @@
+#include "main.h" //headfile
+
+
+// VCC,SCE,RST,D/C,MOSI,SCLK,LED
+N5110 lcd (PTE26 , PTA0 , PTC4 , PTD0 , PTD2 , PTD1 , PTC3); // connected the LED to the K64F board
+DigitalIn button(PTB18); // pin of the button connection
+DigitalIn joystickbutton(PTB11); // pin of the joystickbutton connection
+AnalogIn xPot(PTB2); //pin of the joystick x point connection
+AnalogIn yPot(PTB3); //pin of the joystick y point connection
+
+// timer to regularly read the joystick
+Ticker pollJoystick;
+
+// Serial for debug
+Serial pc(USBTX,USBRX);
+// create enumerated type (0,1,2,3 etc. for direction)
+// could be extended for diagonals etc.
+enum DirectionName {
+ UP,
+ DOWN,
+ LEFT,
+ RIGHT,
+ CENTRE,
+ UNKNOWN
+};
+// struct for Joystick
+typedef struct JoyStick Joystick;
+struct JoyStick {
+ float x; // current x value
+ float x0; // 'centred' x value
+ float y; // current y value
+ float y0; // 'centred' y value
+ int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
+ DirectionName direction; // current direction
+};
+// create struct variable
+Joystick joystick;
+
+int main()
+{
+ button.mode(PullDown); //let the button pressed equal to one
+ joystickbutton.mode(PullDown); //let the joystickbutton pressed equal to one
+ lcd.init();
+ // these are default settings so not strictly needed
+ lcd.normalMode(); // normal colour mode
+ lcd.setBrightness(0.5); // put LED backlight on 50%
+ lcd.printString("get the ball",0,0); //write the string on the screen
+ lcd.refresh(); //Refresh display
+ wait(1.0); //set the disappear time is 1s
+ lcd.clear(); // clear display
+ lcd.setBrightness(1.0); // put LED backlight on 50%
+ illustration (); // function call
+ int t=3; //initial constant to quit the loop
+ do
+ {
+ lcd.drawRect(0,0,84,48,2); //draw rectangle picture
+ lcd.drawRect(0,0,10,48,1);
+ lcd.refresh();
+ wait(0.5); //0.5s to disappear
+ lcd.clear();
+ if(button) //check the button is pressed or not
+ {
+ lcd.clear();
+ lcd.printString("Skip",0,0); //write the string which will lose in 1s
+ lcd.refresh();
+ wait(1.0);
+ lcd.clear();
+ break; //get out of the loop
+ }
+ moving (); //function call
+ t--; //t=t-1
+ }while(t>=0); //when t=-1 jump outof the loop
+ //write string lost in 1s
+ lcd.printString("Warning:",0,0);
+ lcd.printString("The practice",0,0);
+ lcd.printString("is finished",0,2);
+ lcd.refresh();
+ wait(1.0);
+ lcd.clear();
+ while (1)
+ {
+ srand(time(NULL)); //let the value achieved changes each time
+ int u = rand()%(2-1+1)+1; //get random value between 1 and 2
+ //draw the picture disappears in 0.5s
+ lcd.drawRect(0,0,84,48,2);
+ lcd.drawRect(0,0,10,48,1);
+ lcd.refresh();
+ wait(0.5);
+ lcd.clear();
+ moving2(); //function call
+ if(r==0) //get global constant r
+ {
+ if (q>=10) //use the if statement to judge the statement
+ {
+ if(u==1)
+ {
+ lcd.clear();
+ lcd.printString("Hold joystick",0,2);
+ wait(2.0);
+ lcd.clear();
+ if (joystickbutton) // check the joystickbutton is pressed or not
+ q=q-5; //if it is ture, the global constant will reduce five each time
+ }
+ }
+ else if (q<10) //check the value of q
+ {
+ lcd.clear();
+ lcd.printString("Congratulation",0,2); //write string
+ lcd.refresh();
+ break; //jump out of the loop
+ }
+ }
+ else
+ {
+ lcd.clear();
+ lcd.printString("lose the game",0,2); //write string
+ lcd.refresh();
+ break; //jump out of the loop
+ }
+ }
+}
+// the function to show the basic information of the game
+void illustration ()
+{
+ //show how to control the people
+ lcd.printString("joystick to",0,0);
+ lcd.printString("control people",0,1);
+ //draw circle and draw line to built a people
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ wait(3.0);
+ lcd.clear();
+ //show the way to win
+ lcd.printString("Use hand to",0,0);
+ lcd.printString("get the ball",0,1);
+ lcd.drawCircle(20,23,2,1);
+ lcd.drawCircle(25,27,1,1);
+ lcd.drawCircle(40,27,1,1);
+ lcd.drawLine(20,25,20,30,1);
+ lcd.drawLine(20,27,23,27,1);
+ lcd.drawLine(20,30,18,32,1);
+ lcd.drawLine(20,30,22,32,1);
+ lcd.refresh();
+ wait(3.0);
+ lcd.clear();
+ //show the condition of the failure
+ lcd.printString("if the ball",0,0);
+ lcd.printString("touch the wall",0,1);
+ lcd.printString("will lose",0,2);
+ lcd.drawRect(0,30,10,20,1);
+ lcd.drawCircle(15,40,1,1);
+ lcd.refresh();
+ wait(3.0);
+ lcd.clear();
+ //get into the game
+ lcd.printString("practice",0,0);
+ lcd.printString("Hold button",0,1);
+ lcd.printString("to skip",0,3);
+ lcd.refresh();
+ wait(2.0);
+ lcd.clear();
+}
+// use function to find the randon value of the ball x coordinate from 70 to 80
+int setpointx (int x1)
+{
+ srand(time(NULL));
+ x1 = rand()%(80-70+1)+70;
+ return x1; //return an integer to transfer the value to the other function
+}
+// use function to find the randon value of the enemy y coordinate from 15 to 30
+int setpointy (int y1)
+{
+ srand(time(NULL));
+ y1 = rand()%(30-15+1)+15;
+ return y1; //return an integer to transfer the value to the other function
+}
+
+void moving ()
+{
+ //get the value of the x coordinate and y coordinate of the ball point
+ int a,b;
+ int a1=setpointx(a);
+ int b1=setpointy(b);
+ calibrateJoystick(); // get centred values of joystick
+ pollJoystick.attach(&updateJoystick,0.5); // read joystick 10 times per second
+ while(1){
+ //draw picture
+ lcd.drawRect(0,0,84,48,2);
+ lcd.drawRect(0,0,10,48,1);
+ lcd.drawCircle(a1,b1,1,1);
+ if (printFlag) { // if flag set, clear flag and print joystick values to serial port
+ printFlag = 0;
+ pc.printf("x = %f y = %f button = %d ",joystick.x,joystick.y,joystick.button);
+ // check joystick direction
+ if (joystick.direction == UP)
+ {
+ if(y>10) //use the if statement to make the border of the people moving
+ {
+ //delete the old picture
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ // get the new picture
+ y=y-1; //change he value of the y coordinate
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ // out of the border, just stay
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ if (joystick.direction == DOWN)
+ {
+ //the same use of the first one:joystick.direction == UP
+ if(y<40)
+ {
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ y=y+1;
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+
+ }
+ if (joystick.direction == LEFT) {//the same use of the first one:joystick.direction == UP
+ if(x<60)
+ {
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ x=x+1;
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ if (joystick.direction == RIGHT) {//the same use of the first one:joystick.direction == UP
+ if(x>q+5)
+ {
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ x=x-1;
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ if (joystick.direction == CENTRE) {//no changing while the direction in centre, so just stay
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ if (joystick.direction == UNKNOWN) {//no changing while the direction unknown, so just stay
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ //use if-else if statement to recognise the different situation
+ if ((a1>=10)&&((a1!=x+3)||(b1!=y+4))) {//if the ball don't touch, then keep moving
+ lcd.drawCircle(a1,b1,1,2);
+ a1--;
+ } else if ((a1==x+3) && (b1==y+4) && (a1>=10)) { // if the ball touch the people hand,stop moving and
+ lcd.clear(); // get out of the loop, and get a new ball
+ break;
+ } else if (a1<=10) { // if the ball touch the block, then show sentence to tell the player and
+ lcd.clear(); // get out of the loop, and get a new ball
+ lcd.printString("lose the game",0,0);
+ lcd.refresh();
+ wait(2.0);
+ break;
+ }
+ wait(0.5);
+ }
+}
+
+void moving2 ()
+{
+ //same use of the function moving
+ int a,b;
+ int a1=setpointx(a);
+ int b1=setpointy(b);
+ calibrateJoystick(); // get centred values of joystick
+ pollJoystick.attach(&updateJoystick,0.5); // read joystick 10 times per second
+ while(1)
+ {
+ lcd.drawRect(0,0,84,48,2);
+ lcd.drawRect(0,0,q,48,1);
+ lcd.drawLine(50,0,50,48,1);
+ lcd.drawCircle(a1,b1,1,1);
+ lcd.refresh();
+ if (printFlag) { // if flag set, clear flag and print joystick values to serial port
+ printFlag = 0;
+ pc.printf("x = %f y = %f button = %d ",joystick.x,joystick.y,joystick.button);
+ // check joystick direction
+ if (joystick.direction == UP) // the same way to draw the prople and the principle of the people moving
+ {
+ if(y>10)
+ {
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ y=y-1;
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ if (joystick.direction == DOWN)
+ { // same as the function moving
+ if(y<40)
+ {
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ y=y+1;
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+
+ }
+ if (joystick.direction == LEFT) {
+ if(x<75)
+ { // same as the function moving
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ x=x+1;
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ if (joystick.direction == RIGHT) {
+ if(x>50)
+ { // same as the function moving
+ lcd.drawCircle(x,y,2,2);
+ lcd.drawLine(x,y+2,x,y+7,2);
+ lcd.drawLine(x,y+4,x+3,y+4,2);
+ lcd.drawLine(x,y+7,x-2,y+9,2);
+ lcd.drawLine(x,y+7,x+2,y+9,2);
+ x=x-1;
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ else
+ {
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ if (joystick.direction == CENTRE)
+ { // same as the function moving
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ if (joystick.direction == UNKNOWN)
+ { // same as the function moving
+ lcd.drawCircle(x,y,2,1);
+ lcd.drawLine(x,y+2,x,y+7,1);
+ lcd.drawLine(x,y+4,x+3,y+4,1);
+ lcd.drawLine(x,y+7,x-2,y+9,1);
+ lcd.drawLine(x,y+7,x+2,y+9,1);
+ lcd.refresh();
+ }
+ }
+ if ((a1>50)&&((a1!=x+3)||(b1!=y+4))) {// same as the function moving
+ lcd.drawCircle(a1,b1,1,2);
+ a1--;
+ } else if ((a1==x+3) && (b1==y+4) && (a1>=10)) { // same as the function moving
+ lcd.clear();
+ break;
+ } else if (a1<=50) {
+ lcd.clear();
+ r=1; // set global constant r=1 to jump the while(1) loop in the int main function
+ wait(2.0);
+ break;
+ }
+ wait(0.5);
+ }
+}
+// read default positions of the joystick to calibrate later readings
+void calibrateJoystick()
+{
+
+ // must not move during calibration
+ joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
+ joystick.y0 = yPot;
+}
+void updateJoystick()
+{
+ // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
+ joystick.x = xPot - joystick.x0;
+ joystick.y = yPot - joystick.y0;
+ // read button state
+ joystick.button = button;
+
+ // calculate direction depending on x,y values
+ // tolerance allows a little lee-way in case joystick not exactly in the stated direction
+ if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
+ joystick.direction = CENTRE;
+ } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
+ joystick.direction = UP;
+ } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
+ joystick.direction = DOWN;
+ } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
+ joystick.direction = RIGHT;
+ } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
+ joystick.direction = LEFT;
+ } else {
+ joystick.direction = UNKNOWN;
+ }
+
+ // set flag for printing
+ printFlag = 1;
+}
+
+
+
+
+