Diff: main.cpp

Revision:

4:31939848b5ba

Parent:

3:545c4c50dc0f

Child:

5:2e5fd80518c5

--- a/main.cpp	Thu May 16 12:09:39 2013 +0000
+++ b/main.cpp	Thu May 16 13:36:46 2013 +0000
@@ -8,16 +8,14 @@
 DigitalOut mbed_led[] = {(LED1), (LED2),(LED3), (LED4)};
 DigitalOut m3pi_led[] = {(p13), (p14), (p15), (p16), (p17), (p18), (p19), (p20)};
 DigitalIn m3pi_pb(p21);
+
 Timer t1;
-//Serial btbee(p28, p27); // tx rx
-//DigitalOut btbee_reset(p26);  // 0 resets the device
 
 
 int main()
 {
     // initialization stuff ////////////////////////////////////////////////////////////////////////////////////////////////////
     m3pi.locate(0,1);
-    //btbee_reset=1;  // else it keeps resetting
     btbee.reset();
     for (int i = 0; i <4; i++) {
         mbed_led[i] = 0;
@@ -34,116 +32,55 @@
     //btbee.format();  // the default should be fine
     // end initialization stuff ////////////////////////////////////////////////////////////////////////////////////////////////
 
-
-    /*  THIS IS NOT DOCUMENTED??? Where does the m3pi::printf function come from? m3pi is a child of Stream so it must be from there, probably defined using the m3pi::print function...
-    m3pi.locate(0,1);
-    m3pi.printf("Num %d",123456789);
-    */
-    //t1.start();
-
+    // let me play you the song of my people...
     // V=volume max is 15::O5=octave5::G16=G16th note::R24=rest24th note...a rest is needed between any two note that are the same
     //char dixie[]= {'V','1','5','O','5','G','1','6','E','1','6','C','8','R','2','4','C','8','R','2','4','C','1','6','D','1','6','E','1','6','F','1','6','G','8','R','2','4','G','8','R','2','4','G','8','E','1','6'};
     //the number of characters in the array
     //int len=49;
     //m3pi.playtune(dixie,len);
 
-    /*
-    t1.stop();
-    int t=t1.read_ms();
-    t1.reset();
-    m3pi.locate(0,0); //cursor on the LCD; x 0-7 y 0-1
-    m3pi.printf("%d",t);
-    */
 
-    /*
-    // tests for the pushbutton
-    while (true){
-    m3pi_led[0]=!m3pi_pb;
-    }
-    */
-    ///*
+    // wait for the user to push P21, should be pressed when the bt link is established (green led "link")
     while(m3pi_pb) {
         m3pi_led[0]=!m3pi_led[0];
         wait(0.1);
     }
-    //*/
 
-
-    // test what happens if i try to read from serial and nothing is there
-    // result: it blocks and waits for input
-    /*
-    char c = m3pi.getc();
-    m3pi.locate(0,1);
-    m3pi.printf("%c",c);
-    mbed_led[0]=1;
-    */
-
-    /*
-    int rawsens[5];
-    int sens1;
-    int t_sig1;
-    float fl;
-    while(true) {
-        t1.start();
-        m3pi.raw_sensor(rawsens);
-        t_sig1=t1.read_ms();
-        //wait(0.1);
-        m3pi.cls();
-        m3pi.locate(0,1);
-        m3pi.printf("%d",rawsens[0]);
-
-        m3pi.locate(0,0);
-        m3pi.printf("%d",t1.read_ms());
-        m3pi.locate(5,0);
-        m3pi.printf("%d",t_sig1);
-        t1.stop();
-        t1.reset();
-        m3pi_led[0]=!m3pi_led[0];
-        }
-    */
-
-    ///*
-    int ii=1;
-    int pos=0;
-    int write = 1;
-    char c;
-    char arr_read[30];
-    int  chars_read;
+    int iline=1;
+    int write = 1; // this could also be a boolean
+    char arr_read[30]; // this should be long enough to store any reply coming in over bt.
+    int  chars_read;   // number of chars read in a bt reply
+    
     while (true) {
-        m3pi_led[0]=1;
-        m3pi_led[1]=0;
+       
+        // this writes "Line 001\n" to "Line 005\n" and then "end\n" to the btbee
         if (btbee.writeable() && write ) {
-            if (ii==6) {
+            if (iline==6) {
                 btbee.printf("end\n");
                 write=1;
-            }
-            //else {btbee.printf("Sensor %d. : %d \n",ii,rawsens[ii-1]);}
+            }//if
             else {
-                btbee.printf("Line %0.3d \n",ii);
+                btbee.printf("Line %0.3d \n",iline);
                 m3pi_led[0]=0;
                 m3pi.locate(0,0);
-                m3pi.printf("Sent %0.3d",ii);
-                ii++;
-            }
-        }
+                m3pi.printf("Sent %0.3d",iline);
+                iline++;
+            }//else
+        }//if_write
+
+        // check for answers after each write /not write
         while (btbee.readable()) {
-            //c = btbee.getc();
-            //m3pi.locate(pos,1);
-            //m3pi.print(&c,1);
-            //pos++;
-            //pos=pos%8;
             m3pi_led[7]=1;
             btbee.read_all(arr_read, 30, &chars_read );
             m3pi_led[6]=1;
             m3pi.locate(0,1);
             m3pi.print(arr_read,chars_read);
             m3pi_led[5]=1;
-        }
-        pos=0;
+        }//while_readable
         wait(0.1);
-    }
-    //*/
-}
+    }//while true
+
+}//main