Install on (2) Nucleo-L053R8's with an XBee PRO 900HP on the PA_9 and PA_10 serial pins. When the user button is pressed on one of the Nucleos, the LED flashes on the other.
Dependencies: SoftSerial mbed
main.cpp
- Committer:
- jmckneel
- Date:
- 2017-06-23
- Revision:
- 0:be753a471114
File content as of revision 0:be753a471114:
/* ----------------------------------------------------------------------------- Author: Jared McKneely Title: End-node firmware v. 1.0.0 Date: June 8th, 2017 Description: ----------------------------------------------------------------------------- */ // Libraries ------------------------------------------------------------------- #include "mbed.h" #include "SoftSerial.h" // Macros ---------------------------------------------------------------------- #define LED_ON (1) #define LED_OFF (0) #define TX (PB_3) #define RX (PA_10) // Hardware Objects ------------------------------------------------------------ DigitalOut led(LED1); InterruptIn button(USER_BUTTON); InterruptIn receive(PA_10); // Globals --------------------------------------------------------------------- SoftSerial xb(TX, RX); char tx = 'e'; char rx = '0'; // send_light ------------------------------------------------------------------ void send_light(void){ if (xb.writeable()){ xb.putc(tx); } } // blink_light ----------------------------------------------------------------- void blink_light(void){ led = LED_OFF; led = LED_ON; wait(0.05); led = LED_OFF; } // rx_process ------------------------------------------------------------------ void rx_process(void){ } // Main ------------------------------------------------------------------------ int main() { // Enable interrupt button.rise(&send_light); receive.rise(&rx_process); // While loop while (true){ if (xb.readable()){ rx = xb.getc(); if (rx == 'e'){ blink_light(); rx = '0'; } } wait(0.1); } }