Jingyi Yu / Mbed 2 deprecated playSoundSD

plays sound via SD card

Dependencies:   mbed wave_player mbed-rtos C12832_lcd 4DGL-uLCD-SE LCD_fonts SDFileSystem

main.cpp@5:63f0d732f83c, 2019-12-09 (annotated)

Committer:
jingyitaro
Date:
Mon Dec 09 21:34:02 2019 +0000
Revision:
5:63f0d732f83c
Parent:
4:79863d2ea5a0 
deleted everything and left playSound only

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 2:a69c8c5f5b03 1 // example to test the mbed Lab Board lcd lib with the mbed rtos
4180_1 4:79863d2ea5a0 2 // Pot1 changes the contrast
4180_1 4:79863d2ea5a0 3 // Pot2 changes the speed of the sin wave
dreschpe 1:1c6a9eaf55b5 4
dreschpe 0:f6a57b843f79 5 #include "mbed.h"
dreschpe 0:f6a57b843f79 6 #include "rtos.h"
dreschpe 0:f6a57b843f79 7 #include "stdio.h"
jingyitaro 5:63f0d732f83c 8 #include "SDFileSystem.h"
jingyitaro 5:63f0d732f83c 9 #include "wave_player.h"
4180_1 4:79863d2ea5a0 10
jingyitaro 5:63f0d732f83c 11 DigitalOut led1(LED1);
jingyitaro 5:63f0d732f83c 12 DigitalOut led2(LED2);
jingyitaro 5:63f0d732f83c 13 DigitalOut led3(LED3);
jingyitaro 5:63f0d732f83c 14
jingyitaro 5:63f0d732f83c 15 SDFileSystem sd(p5, p6, p7, p8, "sd");
jingyitaro 5:63f0d732f83c 16 AnalogOut DACout(p18);
jingyitaro 5:63f0d732f83c 17 wave_player waver(&DACout);
dreschpe 2:a69c8c5f5b03 18
4180_1 4:79863d2ea5a0 19 // mutex to make the lcd lib thread safe
jingyitaro 5:63f0d732f83c 20 Mutex spk_mutex;
dreschpe 0:f6a57b843f79 21
dreschpe 0:f6a57b843f79 22
4180_1 4:79863d2ea5a0 23 // Thread 6
4180_1 4:79863d2ea5a0 24 // Speaker
4180_1 4:79863d2ea5a0 25 void thread6(void const *args)
4180_1 4:79863d2ea5a0 26 {
jingyitaro 5:63f0d732f83c 27 FILE *wave_file;
4180_1 4:79863d2ea5a0 28 while(true) { // thread loop
jingyitaro 5:63f0d732f83c 29
jingyitaro 5:63f0d732f83c 30 spk_mutex.lock();
jingyitaro 5:63f0d732f83c 31 wave_file=fopen("/sd/sound01.wav","r");
jingyitaro 5:63f0d732f83c 32 spk_mutex.unlock();
jingyitaro 5:63f0d732f83c 33
jingyitaro 5:63f0d732f83c 34 waver.play(wave_file);
jingyitaro 5:63f0d732f83c 35
jingyitaro 5:63f0d732f83c 36 spk_mutex.lock();
jingyitaro 5:63f0d732f83c 37 fclose(wave_file);
jingyitaro 5:63f0d732f83c 38 spk_mutex.unlock();
jingyitaro 5:63f0d732f83c 39
jingyitaro 5:63f0d732f83c 40 //Thread::wait(500); // wait
4180_1 4:79863d2ea5a0 41 }
4180_1 4:79863d2ea5a0 42 }
jingyitaro 5:63f0d732f83c 43
4180_1 4:79863d2ea5a0 44
dreschpe 0:f6a57b843f79 45 int main()
dreschpe 0:f6a57b843f79 46 {
jingyitaro 5:63f0d732f83c 47
4180_1 4:79863d2ea5a0 48 Thread t6(thread6); //start thread6
jingyitaro 5:63f0d732f83c 49
dreschpe 2:a69c8c5f5b03 50 while(true) { // main is the next thread
jingyitaro 5:63f0d732f83c 51
jingyitaro 5:63f0d732f83c 52 //Thread::wait(1000); // wait 0.5s
jingyitaro 5:63f0d732f83c 53
jingyitaro 5:63f0d732f83c 54 }
jingyitaro 5:63f0d732f83c 55
dreschpe 0:f6a57b843f79 56 }