Diff: main.cpp

Revision:

0:335b3d392c82

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Dec 13 00:27:27 2016 +0000
@@ -0,0 +1,319 @@
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+#include "SparkfunAnalogJoystick.h"
+
+DigitalOut myled(LED1);
+Serial pc(USBTX, USBRX);
+Serial xbee(p9,p10);
+DigitalOut reset(p22);
+uLCD_4DGL uLCD(p28,p27,p21); // serial tx, serial rx, reset pin;
+SparkfunAnalogJoystick JOYSTICK(p15,p16,p17);
+DigitalIn pb(p8);
+
+int getJoystickDirection(void);
+void SendUserData(void);
+int read_num(bool);
+void background_color(void);
+void line(void);
+void circle(void);
+void filled_circle(void);
+void triangle(void);
+void rectangle(void);
+void filled_rectangle(void);
+void pixel(void);
+void cls(void);
+void locate(void);
+void putc(void);
+void textbackground_color(void);
+int convert_to_int(char[],int);
+int convert_to_hex(char[],int);
+
+int main() {
+    // Reset and set up
+    reset=0;
+    wait_ms(1);
+    reset=1;
+    wait_ms(1);
+    uLCD.baudrate(3000000);
+    uLCD.printf("changed");
+    pc.printf("Starting receiver.\r\n");
+    myled=0;
+        
+    // Initial connection
+    uLCD.cls();
+    uLCD.printf("Connecting with sender...");
+    while(!xbee.readable()){}
+    uLCD.cls();
+    char c = xbee.getc();
+    if(c == 'o'){
+        uLCD.printf("Connected!");
+        xbee.putc('o');
+        //clear buffer
+        while(xbee.readable()){
+            uLCD.printf("Clearing buffer");
+            xbee.getc();
+        }
+    }
+    else{
+        uLCD.printf("Error");
+        wait(5);
+    }
+    wait(1);
+    uLCD.cls();
+    
+    // variable inits
+    char cmd;
+    char filler;
+    int count=0;
+    bool myTurn = false;
+    pb.mode(PullUp);
+    while(1) {
+        count++;
+        if(myTurn && count%1000000==0){
+            SendUserData();
+            count=0;
+        }
+        if(count>1000000){
+            count=0;
+        }
+        if(xbee.readable()){
+            myled=1;
+            cmd = xbee.getc();
+            filler = xbee.getc();
+            switch (cmd){
+                case 'a':
+                    break;
+                case 'b':
+                    line();                   
+                    break;
+                case 'c':
+                    circle();
+                    break;
+                case 'd':
+                    filled_circle();
+                    break;
+                case 'e':
+                    triangle();
+                    break;
+                case 'f':
+                    rectangle();
+                    break;
+                case 'g':
+                    filled_rectangle();
+                    break;
+                case 'h':
+                    pixel();
+                    break;
+                case 'i':
+                    cls();
+                    break;
+                case 'j':
+                    locate();
+                    break;
+                case 'k':
+                    putc();
+                    break;
+                case 'l':
+                    textbackground_color();
+                    break;
+                case 'm':
+                    // flip turn
+                    myTurn = !myTurn;
+                    break;
+                case 'n':
+                    //game over
+                    char z = xbee.getc();
+                    int w = z - '0';
+                    uLCD.cls();
+                    if(w==1){
+                        uLCD.printf("You lost!");
+                    }
+                    else if(w==2){
+                        uLCD.printf("You Won!");
+                    }
+                    else{
+                        uLCD.printf("Draw!");
+                    }
+            }
+            myled=0;
+        }
+    }
+}
+int getJoystickDirection(){
+    bool down = JOYSTICK.yAxis() > 0.6;
+    bool up = JOYSTICK.yAxis() < -0.6;
+    bool left = JOYSTICK.xAxis() > 0.6;
+    bool right = JOYSTICK.xAxis() < -0.6;
+    // up = 1
+    // down = 2
+    // left = 3
+    // right = 4
+    if(up){
+        return 1;
+    }
+    else if(down){
+        return 2;
+    }
+    else if(left){
+        return 3;
+    }
+    else if(right){
+        return 4;
+    }
+    return 0;
+}
+void SendUserData(){
+    // Joystick Data
+    int x = getJoystickDirection();
+    // PB
+    int pressed = 0;
+    if(pb){
+        pressed = 0;
+    }
+    else{
+        pressed = 1;
+    }
+    // Send
+    if(x!=0 || pressed==1){
+        if(xbee.writeable()){
+            xbee.printf("%d,%d,",x,pressed);
+            while(!xbee.readable()){}
+        }
+    }
+}
+int read_num(bool num){
+    char data[200];
+    int count = 0;
+    int x = 0;
+    while(1){
+        data[count] = xbee.getc();
+        if(data[count] == ','){
+            if(num){
+                x = convert_to_int(data,count);
+            }
+            else{
+                x = convert_to_hex(data,count);
+            }
+            break;
+        }
+        else{
+            count++;
+        }
+    }
+    return x;
+}
+void background_color(){
+    int color = read_num(false);
+    uLCD.background_color(color);
+}
+void line() { 
+    int x1 = read_num(true);
+    int y1 = read_num(true);
+    int x2 = read_num(true);
+    int y2 = read_num(true);
+    int color = read_num(false);
+    uLCD.line(x1,y1,x2,y2,color);
+}
+void circle() { 
+    int x = read_num(true);
+    int y = read_num(true);
+    int radius = read_num(true);
+    int color = read_num(false);
+    uLCD.circle(x, y, radius, color);
+}
+void filled_circle() { 
+    int x = read_num(true);
+    int y = read_num(true);
+    int radius = read_num(true);
+    int color = read_num(false);
+    uLCD.filled_circle(x, y, radius, color);
+}
+void triangle() { 
+    int x1 = read_num(true);
+    int y1 = read_num(true);
+    int x2 = read_num(true);
+    int y2 = read_num(true);
+    int x3 = read_num(true);
+    int y3 = read_num(true);
+    int color = read_num(false);
+    uLCD.triangle(x1,y1,x2,y2,x3,y3,color);
+}
+void rectangle() { 
+    int x1 = read_num(true);
+    int y1 = read_num(true);
+    int x2 = read_num(true);
+    int y2 = read_num(true);
+    int color = read_num(false);
+    uLCD.rectangle(x1,y1,x2,y2,color);
+}
+void filled_rectangle() { 
+    int x1 = read_num(true);
+    int y1 = read_num(true);
+    int x2 = read_num(true);
+    int y2 = read_num(true);
+    int color = read_num(false);
+    uLCD.filled_rectangle(x1,y1,x2,y2,color);
+}
+void pixel() { 
+    int x = read_num(true);
+    int y = read_num(true);
+    int color = read_num(false);
+    uLCD.pixel(x,y,color);
+}
+void cls() { 
+    uLCD.cls();
+}
+void locate() { 
+    int x = read_num(true);
+    int y = read_num(true);
+    uLCD.locate(x, y);
+}
+void putc() { 
+    char a = xbee.getc();
+    char filler = xbee.getc();
+    uLCD.putc(a);
+}
+void textbackground_color() { 
+    int color = read_num(false);
+    uLCD.textbackground_color(color);
+}
+int convert_to_int(char data[], int count){
+    int current=0;
+    for(int i=0; i<count; i++){
+        current = current*10;
+        current = current + (data[i] - '0');
+    }
+    return current;
+}
+int convert_to_hex(char data[], int count){
+    int currentH=0;
+    int numH=0;
+    for(int i=0; i<count; i++){
+        currentH = currentH*16;
+        switch(data[i]){
+            case 'a':
+                numH = 0xa;
+                break;
+            case 'b':
+                numH = 0xb;
+                break;
+            case 'c':
+                numH = 0xc;
+                break;
+            case 'd':
+                numH = 0xd;
+                break;
+            case 'e':
+                numH = 0xe;
+                break;
+            case 'f':
+                numH = 0xf;
+                break;
+            default:
+                numH = data[i]-'0';
+                break;
+        }
+        currentH+=numH;
+    }
+    return currentH;   
+}
\ No newline at end of file