Jingyi Yu
plays sound via SD card
Dependencies: mbed wave_player mbed-rtos C12832_lcd 4DGL-uLCD-SE LCD_fonts SDFileSystem
Revision 5:63f0d732f83c, committed 2019-12-09
- Comitter:
- jingyitaro
- Date:
- Mon Dec 09 21:34:02 2019 +0000
- Parent:
- 4:79863d2ea5a0
- Commit message:
- deleted everything and left playSound only
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Mon Dec 09 21:34:02 2019 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#2cb1845d7681
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Mon Dec 09 21:34:02 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/neilt6/code/SDFileSystem/#e4d2567200db
--- a/main.cpp Sun Sep 22 17:57:46 2013 +0000
+++ b/main.cpp Mon Dec 09 21:34:02 2019 +0000
@@ -4,161 +4,53 @@
#include "mbed.h"
#include "rtos.h"
-#include "Small_6.h"
-#include "Small_7.h"
-#include "Arial_9.h"
#include "stdio.h"
-#include "C12832_lcd.h"
-
+#include "SDFileSystem.h"
+#include "wave_player.h"
-C12832_LCD LCD;
-AnalogIn Pot1(p19);
-AnalogIn Pot2(p20);
-PwmOut Speaker(p26);
-PwmOut RGBLED_r(p23);
-PwmOut RGBLED_g(p24);
-PwmOut RGBLED_b(p25);
-DigitalIn joyfire(p14);
-BusIn joy(p15,p12,p13,p16);
-BusOut leds(LED1,LED2,LED3,LED4);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+AnalogOut DACout(p18);
+wave_player waver(&DACout);
// mutex to make the lcd lib thread safe
-Mutex lcd_mutex;
-
-// Thread 1
-// print counter into first line and wait for 1 s
-void thread1(void const *args)
-{
- int i;
- while(true) { // thread loop
- lcd_mutex.lock();
- LCD.locate(0,0);
- LCD.set_font((unsigned char*) Small_6);
- LCD.printf("Thread1 count: %d",i);
- lcd_mutex.unlock();
- i++;
- Thread::wait(1000);
- }
-}
-
-// Thread 2
-// print counter into third line and wait for 0,5s
-void thread2(void const *args)
-{
- int k;
- while(true) { // thread loop
- lcd_mutex.lock();
- LCD.locate(0,20);
- LCD.set_font((unsigned char*) Arial_9);
- LCD.printf("Thread 2 count : %d",k);
- lcd_mutex.unlock();
- k++;
- Thread::wait(500); // wait 0.5s
- }
-}
+Mutex spk_mutex;
-// Thread 3
-// print a sin function in a small window
-// the value of pot 1 changes the speed of the sine wave
-void thread3(void const *args)
-{
- int i,k,v;
- double s,a;
- k = 1;
- lcd_mutex.lock();
- LCD.rect(89,0,127,17,1);
- lcd_mutex.unlock();
- while(true) { // thread loop
- v = Pot1.read_u16(); // get value of pot 1
- lcd_mutex.lock();
- for (i=90; i<127; i++) {
- s = 8 * sin((long double)(i+k) /5); // pixel to print
- a = 8 * sin((long double)(i+k-1) /5); // old pixel to erase
- LCD.pixel(i,9 + (int)a ,0); // erase pixel
- LCD.pixel(i,9 + (int)s ,1); // print pixel
- }
- LCD.copy_to_lcd(); // LCD.pixel does not update the lcd
- lcd_mutex.unlock();
- k++;
- Thread::wait(v/100); // value of pot1 / 100
- }
-}
-// Thread 4
-// input pot 2 and change the contrast of LCD
-void thread4(void const *args)
-{
- int k;
- while(true) { // thread loop
- k = Pot2.read_u16(); // get the value of poti 2
- k = k >> 10; // need only 6 bits for contrast
- lcd_mutex.lock();
- LCD.set_contrast(k);
- lcd_mutex.unlock();
- Thread::wait(500); // wait 0.5s
- }
-}
-// Thread 5
-// RGB LED
-void thread5(void const *args)
-{
- while(true) { // thread loop
- RGBLED_r = 0.5 + (rand() % 11)/20.0;
- RGBLED_g = 0.5 + (rand() % 11)/20.0;
- RGBLED_b = 0.5 + (rand() % 11)/20.0;
- Thread::wait(1667); // wait 1.5s
- }
-}
// Thread 6
// Speaker
void thread6(void const *args)
{
+ FILE *wave_file;
while(true) { // thread loop
- Speaker.period(1.0/800.0);
- Speaker = 0.01;
- Thread::wait(1000); // wait 1.0s
- Speaker.period(1.0/969.0);
- Speaker = 0.01;
- Thread::wait(1000); // wait 1.0s
+
+ spk_mutex.lock();
+ wave_file=fopen("/sd/sound01.wav","r");
+ spk_mutex.unlock();
+
+ waver.play(wave_file);
+
+ spk_mutex.lock();
+ fclose(wave_file);
+ spk_mutex.unlock();
+
+ //Thread::wait(500); // wait
}
}
-
-// Thread 7
-// Joystick controls onboard mbed LEDs
-void thread7(void const *args)
-{
- while(true) { // thread loop
- if (joyfire) {
- leds = 0xf;
- } else {
- leds = joy;
- }
- Thread::wait(200); // wait 0.25s
- }
-}
-
-
+
int main()
{
- int j;
- LCD.cls();
-
- Thread t1(thread1); //start thread1
- Thread t2(thread2); //start thread2
- Thread t3(thread3); //start thread3
- Thread t4(thread4); //start thread4
- Thread t5(thread5); //start thread5
+
Thread t6(thread6); //start thread6
- Thread t7(thread7); //start thread7
-
+
while(true) { // main is the next thread
- lcd_mutex.lock();
- LCD.locate(0,9);
- LCD.set_font((unsigned char*) Small_7);
- j = LCD.get_contrast(); // read the actual contrast
- LCD.printf("contrast : %d",j);
- lcd_mutex.unlock();
- Thread::wait(500); // wait 0.5s
- }
+
+ //Thread::wait(1000); // wait 0.5s
+
+ }
+
}
--- a/mbed-rtos.lib Sun Sep 22 17:57:46 2013 +0000 +++ b/mbed-rtos.lib Mon Dec 09 21:34:02 2019 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/#ee87e782d34f +http://mbed.org/users/mbed_official/code/mbed-rtos/#58563e6cba1e
--- a/mbed.bld Sun Sep 22 17:57:46 2013 +0000 +++ b/mbed.bld Mon Dec 09 21:34:02 2019 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/a9913a65894f \ No newline at end of file +https://os.mbed.com/users/mbed_official/code/mbed/builds/0ab6a29f35bf \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wave_player.lib Mon Dec 09 21:34:02 2019 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/sravet/code/wave_player/#acc3e18e77ad