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

Dependencies:   mbed-src

Fork of HC05_Transparent_mode by Edoardo De Marchi

Committer:
alex_G_blanco
Date:
Sat Mar 12 01:12:36 2016 +0000
Revision:
4:c68d2d96da42
Parent:
3:8783bfb5d8fa
* ECHO communication between Bluetooth and RS232;  * Using mBED Landtiger Card

Who changed what in which revision?

UserRevisionLine numberNew contents of line
edodm85 1:8c500bcdcbc4 1 /*
alex_G_blanco 4:c68d2d96da42 2 * ECHO communication between Bluetooth and RS232
alex_G_blanco 4:c68d2d96da42 3 * Using mBED Landtiger Card
alex_G_blanco 4:c68d2d96da42 4 * Based on HC05 work by:
edodm85 1:8c500bcdcbc4 5 * Author: Edoardo De Marchi
edodm85 3:8783bfb5d8fa 6 * Date: 11-08-14
edodm85 1:8c500bcdcbc4 7 * Notes: HC05 Trasparent Mode
edodm85 1:8c500bcdcbc4 8 */
edodm85 1:8c500bcdcbc4 9
alex_G_blanco 4:c68d2d96da42 10 //mBED Complete libraries
edodm85 0:44f245e8b430 11 #include "mbed.h"
edodm85 0:44f245e8b430 12
alex_G_blanco 4:c68d2d96da42 13 //Serial Pin port configurations
alex_G_blanco 4:c68d2d96da42 14 //pc - RS232 serial port, blue - bluetootk serial port
alex_G_blanco 4:c68d2d96da42 15 Serial pc(P0_10, P0_11); //tx, rx pins for the Landtiger, use COM2 UART2 connector direct from the card
alex_G_blanco 4:c68d2d96da42 16 Serial blue(P0_2, P0_3); // UART0_TX, UART0_RX for the LandTiger. Connect a BT module to these pins
edodm85 3:8783bfb5d8fa 17
alex_G_blanco 4:c68d2d96da42 18 //Define activity leds for RS232 and BT
alex_G_blanco 4:c68d2d96da42 19 DigitalOut myled4(P2_7);//landtiger LEDS LD4, LD5
alex_G_blanco 4:c68d2d96da42 20 DigitalOut myled5(P2_6);
alex_G_blanco 4:c68d2d96da42 21 BusOut LEDS(P2_5, P2_4, P2_3, P2_2, P2_1, P2_0); //landtiger all leds
edodm85 3:8783bfb5d8fa 22
alex_G_blanco 4:c68d2d96da42 23 int temp;
edodm85 1:8c500bcdcbc4 24
alex_G_blanco 4:c68d2d96da42 25 //Main routine
edodm85 1:8c500bcdcbc4 26 int main()
edodm85 1:8c500bcdcbc4 27 {
alex_G_blanco 4:c68d2d96da42 28 //Serial ports initialization
alex_G_blanco 4:c68d2d96da42 29 blue.baud(9600);
alex_G_blanco 4:c68d2d96da42 30 pc.baud(9600);
edodm85 1:8c500bcdcbc4 31 pc.printf("Bluetooth Start\r\n");
alex_G_blanco 4:c68d2d96da42 32 blue.printf("Communication Start \r\n\0");
alex_G_blanco 4:c68d2d96da42 33 LEDS = 0; //turn off other leds
edodm85 1:8c500bcdcbc4 34
edodm85 1:8c500bcdcbc4 35 // echo back characters and toggle the LED
edodm85 1:8c500bcdcbc4 36 while (1)
edodm85 1:8c500bcdcbc4 37 {
edodm85 1:8c500bcdcbc4 38 if (blue.readable())
edodm85 1:8c500bcdcbc4 39 {
alex_G_blanco 4:c68d2d96da42 40 temp = blue.getc(); //reads BT one character
alex_G_blanco 4:c68d2d96da42 41 pc.putc(temp); // puts character in serial
alex_G_blanco 4:c68d2d96da42 42 blue.putc(temp); //echo BT
alex_G_blanco 4:c68d2d96da42 43 myled4 = !myled4; //Led BT activity
edodm85 0:44f245e8b430 44 }
edodm85 1:8c500bcdcbc4 45 if (pc.readable())
edodm85 1:8c500bcdcbc4 46 {
alex_G_blanco 4:c68d2d96da42 47 temp = pc.getc(); //reads RS232 one character
alex_G_blanco 4:c68d2d96da42 48 blue.putc(temp); //puts character thru BT
alex_G_blanco 4:c68d2d96da42 49 pc.putc(temp); // echo serial
alex_G_blanco 4:c68d2d96da42 50 blue.printf("\0"); //null character to empty BT buffer
alex_G_blanco 4:c68d2d96da42 51 myled5 = !myled5; // RS232 activity led
edodm85 0:44f245e8b430 52 }
edodm85 0:44f245e8b430 53
edodm85 0:44f245e8b430 54 }
alex_G_blanco 4:c68d2d96da42 55 }