Diff: main.cpp

Revision:

1:f4b793d840db

Parent:

0:74b4b9fc9480

--- a/main.cpp	Fri Jun 04 10:23:46 2010 +0000
+++ b/main.cpp	Thu Mar 24 14:46:30 2016 +0000
@@ -1,26 +1,128 @@
 #include "main.h"
 
 Serial xbee1(p9, p10);
-DigitalOut rst1(p11);
+Serial pc(USBTX, USBRX);
+DigitalOut rst1(p30);
+int adress = 0x55;                              //Adress of this controller
+int createdDataArray[1];                        //Array that stores the data created by the getData() method
+
+
+DigitalIn right(p16);                           //Joystick pins on application board
+DigitalIn up(p15);
+DigitalIn down(p12);
+DigitalIn left(p13);
+
+DigitalIn btn1(p14);                            //extra buttons connected with internal pull up
+DigitalIn btn2(p11);
+DigitalIn btn3(p8);
+DigitalIn btn4(p7);
+
+void getData()                  //This method reads the data from to user controlls and stores it in a single byte. If a button is pressed it sets the corresponding bit to 1.
+//It is stored in createdDataArray[0];
 
-DigitalOut myled(LED1);
-DigitalOut myled2(LED2);
+{
+    int createdData = 0x00;
+    if (down) {
+        createdData  = createdData | 0x01;
+    } else {
+        createdData= createdData & 0xfe;
+    }
+    if (up) {
+        createdData = createdData |= 0x02;
+    } else {
+        createdData= createdData & 0xfd;
+    }
+
+    if (right) {
+        createdData = createdData |= 0x04;
+    } else {
+        createdData= createdData & 0xfb;
+    }
+    if (left) {
+        createdData = createdData |= 0x08;
+    } else {
+        createdData= createdData & 0xf7;
+    }
+
+    if (! btn1) {
+        createdData  = createdData | 0x10;
+    } else {
+        createdData= createdData & 0xef;
+    }
+    if (! btn2) {
+        createdData = createdData |= 0x20;
+    } else {
+        createdData= createdData & 0xdf;
+    }
 
-int main() {
+    if (! btn3) {
+        createdData = createdData |= 0x40;
+    } else {
+        createdData= createdData & 0xbf;
+    }
+    if (! btn4) {
+        createdData = createdData |= 0x80;
+    } else {
+        createdData= createdData & 0x7f;
+    }
+    createdDataArray[0] = createdData;
+
+}
+
+void sendData(int adress, int dataToSend[])     //Sends the data. make sure that the size of the array giving is adjusted properly.
+{
+
+    int size = 1;                               //Size of the dataToSend array is 1
+    int checkSum = 0;
+    for(int n=0 ; n<size ; n++) {               //build a checksum witht the data from the array dataToSend
+        checkSum += dataToSend[n];
+    }
+    checkSum += adress;
+    checkSum  = checkSum % 256;
+
+
+    xbee1.putc(0x7E);                           //send flag to signal start of data transfer
+
+    xbee1.putc(adress);                         //adress of the functionality that will be adressed. (buttons, lcd or speaker)
+
+    xbee1.putc(size);                           //Size of the following data (is the length of the array)
+
+    for(int n=0 ; n<size ; n++) {               //send a byte for every databyte stored in the array. Size determines the amount of bytes send here
+        xbee1.putc(dataToSend[n]);
+
+    }
+    xbee1.putc(checkSum);                       //send the checksum
+
+    pc.printf("%x,%x,%x,%x \n\r",adress,dataToSend[0],size,checkSum);    //show data on the terminal
+
+
+}
+
+
+
+
+int main()
+{
+    btn1.mode(PullUp);                          //configure internal pull up mode
+    btn2.mode(PullUp);
+    btn3.mode(PullUp);
+    btn4.mode(PullUp);
+
+    wait_ms(3000);
     rst1 = 0;   //Set reset pin to 0
-    myled = 0;
-    myled2= 0;
     wait_ms(1);
     rst1 = 1;   //Set reset pin to 1
     wait_ms(1);
+    xbee1.baud(57600);
+
+
 
     while (1) {
-        int a = getKeyNum();
-        
-        if(a!=-1){
-            myled2 = 1;
-            xbee1.putc(a); //XBee write
-            myled2 = 0;
-        }
+
+        getData();                              //store data in the array CreatedDataArray
+        sendData(adress, createdDataArray);     //send the data
+
+        wait_ms(100);
+
     }
 }