Gerrit Pathuis
/
HC05_KL25Z_Hello_PC
Bluetooth HC05 + KL25Z communicate with Bluetooth dongle in PC in both directions.
main.cpp@0:0e236e004748, 2017-12-02 (annotated)
- Committer:
- GerritPathuis
- Date:
- Sat Dec 02 13:21:04 2017 +0000
- Revision:
- 0:0e236e004748
- Child:
- 1:e73a7c99f767
Works, tested 2-12-2017
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GerritPathuis | 0:0e236e004748 | 1 | /* |
GerritPathuis | 0:0e236e004748 | 2 | * Author: G. Pathuis |
GerritPathuis | 0:0e236e004748 | 3 | * Date: 02-12-17 |
GerritPathuis | 0:0e236e004748 | 4 | * Notes: HC05 connected to a KL25Z |
GerritPathuis | 0:0e236e004748 | 5 | * Pair with PC use password 1234 |
GerritPathuis | 0:0e236e004748 | 6 | * |
GerritPathuis | 0:0e236e004748 | 7 | * Four wire connection |
GerritPathuis | 0:0e236e004748 | 8 | * HC05 to KL25Z |
GerritPathuis | 0:0e236e004748 | 9 | * GND to GND |
GerritPathuis | 0:0e236e004748 | 10 | * +5V to 5V |
GerritPathuis | 0:0e236e004748 | 11 | * TX to pin PTE0 |
GerritPathuis | 0:0e236e004748 | 12 | * RX to pin PTE1 |
GerritPathuis | 0:0e236e004748 | 13 | * |
GerritPathuis | 0:0e236e004748 | 14 | * Open Tera Term session to connect to KL25Z |
GerritPathuis | 0:0e236e004748 | 15 | * and |
GerritPathuis | 0:0e236e004748 | 16 | * Open second Tera Term session to read the Bluetooth |
GerritPathuis | 0:0e236e004748 | 17 | * dongle in the PC |
GerritPathuis | 0:0e236e004748 | 18 | * |
GerritPathuis | 0:0e236e004748 | 19 | * Make sute Tera Term uses 9600 baud |
GerritPathuis | 0:0e236e004748 | 20 | */ |
GerritPathuis | 0:0e236e004748 | 21 | |
GerritPathuis | 0:0e236e004748 | 22 | #include "mbed.h" |
GerritPathuis | 0:0e236e004748 | 23 | |
GerritPathuis | 0:0e236e004748 | 24 | |
GerritPathuis | 0:0e236e004748 | 25 | Serial pc(USBTX, USBRX); |
GerritPathuis | 0:0e236e004748 | 26 | Serial blue(PTE0, PTE1); // TX, RX |
GerritPathuis | 0:0e236e004748 | 27 | |
GerritPathuis | 0:0e236e004748 | 28 | DigitalOut myled(LED1); |
GerritPathuis | 0:0e236e004748 | 29 | DigitalOut myled2(LED2); |
GerritPathuis | 0:0e236e004748 | 30 | |
GerritPathuis | 0:0e236e004748 | 31 | |
GerritPathuis | 0:0e236e004748 | 32 | int main() |
GerritPathuis | 0:0e236e004748 | 33 | { |
GerritPathuis | 0:0e236e004748 | 34 | int i =0; |
GerritPathuis | 0:0e236e004748 | 35 | blue.baud(9600); // Default Bluetooth Baudrate |
GerritPathuis | 0:0e236e004748 | 36 | pc.baud(9600); |
GerritPathuis | 0:0e236e004748 | 37 | |
GerritPathuis | 0:0e236e004748 | 38 | pc.printf("Bluetooth Start\r\n"); |
GerritPathuis | 0:0e236e004748 | 39 | |
GerritPathuis | 0:0e236e004748 | 40 | // Write from Bluetooth to PC |
GerritPathuis | 0:0e236e004748 | 41 | for (i=0; i<10; i++) { |
GerritPathuis | 0:0e236e004748 | 42 | blue.printf("Hello PC this is the HC-05, %d\n\r", i); |
GerritPathuis | 0:0e236e004748 | 43 | myled = !myled; |
GerritPathuis | 0:0e236e004748 | 44 | } |
GerritPathuis | 0:0e236e004748 | 45 | wait(1); |
GerritPathuis | 0:0e236e004748 | 46 | |
GerritPathuis | 0:0e236e004748 | 47 | // Echo back characters and toggle the LED |
GerritPathuis | 0:0e236e004748 | 48 | while (1) { |
GerritPathuis | 0:0e236e004748 | 49 | if (blue.readable()) { |
GerritPathuis | 0:0e236e004748 | 50 | pc.putc(blue.getc()); |
GerritPathuis | 0:0e236e004748 | 51 | myled = !myled; |
GerritPathuis | 0:0e236e004748 | 52 | } |
GerritPathuis | 0:0e236e004748 | 53 | if (pc.readable()) { |
GerritPathuis | 0:0e236e004748 | 54 | blue.putc(pc.getc()); |
GerritPathuis | 0:0e236e004748 | 55 | myled2 = !myled2; |
GerritPathuis | 0:0e236e004748 | 56 | } |
GerritPathuis | 0:0e236e004748 | 57 | wait_ms(10); |
GerritPathuis | 0:0e236e004748 | 58 | } |
GerritPathuis | 0:0e236e004748 | 59 | } |