Revision 4:c68d2d96da42, committed 2016-03-12

Comitter:

alex_G_blanco

Date:

Sat Mar 12 01:12:36 2016 +0000

Parent:

3:8783bfb5d8fa

Commit message:

* ECHO communication between Bluetooth and RS232; * Using mBED Landtiger Card

Changed in this revision

diff -r 8783bfb5d8fa -r c68d2d96da42 main.cpp
--- a/main.cpp	Fri Aug 15 12:18:04 2014 +0000
+++ b/main.cpp	Sat Mar 12 01:12:36 2016 +0000
@@ -1,47 +1,55 @@
 /*
+ * ECHO communication between Bluetooth and RS232
+ * Using mBED Landtiger Card
+ * Based on HC05 work by:
  * Author: Edoardo De Marchi
  * Date: 11-08-14
  * Notes: HC05 Trasparent Mode
 */
 
+//mBED Complete libraries
 #include "mbed.h"
 
-
-Serial pc(USBTX, USBRX);
+//Serial Pin port configurations
+//pc - RS232 serial port, blue - bluetootk serial port
+    Serial pc(P0_10, P0_11);        //tx, rx pins for the Landtiger, use COM2 UART2 connector direct from the card
+    Serial blue(P0_2, P0_3);         // UART0_TX, UART0_RX for the LandTiger. Connect a BT module to these pins
 
-#if   defined(TARGET_LPC1768)
-Serial blue(p9, p10);          // TX, RX
-//Serial blue(p13, p14);         // TX, RX
-#elif defined(TARGET_LPC4330_M4)
-Serial blue(P6_4, P6_5);         // UART0_TX, UART0_RX
-//Serial blue(P2_3, P2_4);         // UART3_TX, UART3_RX
-#endif
+//Define activity leds for RS232 and BT
+    DigitalOut myled4(P2_7);//landtiger LEDS LD4, LD5
+    DigitalOut myled5(P2_6);
+    BusOut LEDS(P2_5, P2_4, P2_3, P2_2, P2_1, P2_0); //landtiger all leds
 
+int temp;
 
-DigitalOut myled(LED1);
-DigitalOut myled4(LED4);
-
-
+//Main routine
 int main() 
 {
-
-    blue.baud(115200);
-    pc.baud(115200);
+    //Serial ports initialization
+    blue.baud(9600);
+    pc.baud(9600);
     pc.printf("Bluetooth Start\r\n");
+    blue.printf("Communication Start \r\n\0");
+    LEDS = 0; //turn off other leds
     
     // echo back characters and toggle the LED
     while (1) 
     {
         if (blue.readable()) 
         {
-            pc.putc(blue.getc());
-            myled = !myled;
+            temp = blue.getc(); //reads BT one character
+            pc.putc(temp);      // puts character in serial
+            blue.putc(temp);    //echo BT
+            myled4 = !myled4;   //Led BT activity
         }
         if (pc.readable()) 
         {
-            blue.putc(pc.getc());
-            myled4 = !myled4;
+            temp = pc.getc(); //reads RS232 one character
+            blue.putc(temp);  //puts character thru BT
+            pc.putc(temp);    // echo serial
+            blue.printf("\0");  //null character to empty BT buffer      
+            myled5 = !myled5; // RS232 activity led
         }
         
     }
-}
\ No newline at end of file
+}