prana koirala / Mbed OS ECE4180Lab3_rtos_Bluetooth

This program is a part of Lab Assignment to introduce mbedRTOS feature. It has four threads.

Dependencies:   4DGL-uLCD-SE wave_player_appbd

Fork of rtos_mutex by mbed official

This program is a part of a ECE4180 Lab3. It uses four threads. Main thread is for counting the RTC time and printing to uLCD. Anohter thread is for playing short tone, next is for displaying image in uLCD from the unformatted SD card. Next thread control the RBG led. All these threads utilize bluetooth serial UART command received and function accordingly. Bluetooth App from adafruit is used as an assistance to send command.

Parts used: mBED LPC1768 uLCD Display + SD Card Adafruit Bluetooth Audio Amp + Speaker

main.cpp@1:0f886ffbe0c1, 2012-07-13 (annotated)

Committer:
emilmont
Date:
Fri Jul 13 10:34:00 2012 +0000
Revision:
1:0f886ffbe0c1
Parent:
0:9325f4cd8c1e
Child:
5:384d6cef11d4
First implementation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:0f886ffbe0c1 1 #include "mbed.h"
emilmont 1:0f886ffbe0c1 2 #include "rtos.h"
emilmont 1:0f886ffbe0c1 3
emilmont 1:0f886ffbe0c1 4 Mutex stdio_mutex;
emilmont 1:0f886ffbe0c1 5
emilmont 1:0f886ffbe0c1 6 void notify(const char* name, int state) {
emilmont 1:0f886ffbe0c1 7 stdio_mutex.lock();
emilmont 1:0f886ffbe0c1 8 printf("%s: %d\n\r", name, state);
emilmont 1:0f886ffbe0c1 9 stdio_mutex.unlock();
emilmont 1:0f886ffbe0c1 10 }
emilmont 1:0f886ffbe0c1 11
emilmont 1:0f886ffbe0c1 12 void test_thread(void const *args) {
emilmont 1:0f886ffbe0c1 13 while (true) {
emilmont 1:0f886ffbe0c1 14 notify((const char*)args, 0); Thread::wait(1000);
emilmont 1:0f886ffbe0c1 15 notify((const char*)args, 1); Thread::wait(1000);
emilmont 1:0f886ffbe0c1 16 }
emilmont 1:0f886ffbe0c1 17 }
emilmont 1:0f886ffbe0c1 18
emilmont 1:0f886ffbe0c1 19 int main() {
emilmont 1:0f886ffbe0c1 20 Thread t2(test_thread, (void *)"Th 2");
emilmont 1:0f886ffbe0c1 21 Thread t3(test_thread, (void *)"Th 3");
emilmont 1:0f886ffbe0c1 22
emilmont 1:0f886ffbe0c1 23 test_thread((void *)"Th 1");
emilmont 1:0f886ffbe0c1 24 }