ECE 4180 final project. Sound and Bluetooth activated coffee maker
Dependencies: mbed wave_player mbed-rtos C12832_lcd 4DGL-uLCD-SE LCD_fonts SDFileSystem
Diff: main.cpp
- Revision:
- 5:18b2796e4847
- Parent:
- 4:79863d2ea5a0
- Child:
- 6:e4aba042979b
--- a/main.cpp Sun Sep 22 17:57:46 2013 +0000 +++ b/main.cpp Thu Oct 03 21:28:13 2019 +0000 @@ -9,8 +9,13 @@ #include "Arial_9.h" #include "stdio.h" #include "C12832_lcd.h" +#include "sound.h" +#define sample_freq 11025.0 +//get and set the frequency from wav conversion tool GUI +int i=0; +Ticker sampletick; C12832_LCD LCD; AnalogIn Pot1(p19); AnalogIn Pot2(p20); @@ -25,140 +30,162 @@ // 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) +void audio_sample () { - 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 + Speaker = sound_data[i]/255.0;//scale to 0.0 to 1.0 for PWM + i++; + if (i>= NUM_ELEMENTS) { + i = 0; + sampletick.detach(); } } -// 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) -{ - 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 - } -} - -// 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 - } -} +// +//// 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 +// } +//} +// +//// 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) +//{ +// while(true) { +// //sampletick.attach(&audio_sample, 1.0 / sample_freq); +// /* +// // 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 +// */ +// } +//} +// +//// 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 + //int j; + //LCD.cls(); + Speaker.period(1.0/250000.0); + //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 + //lcd_mutex.lock(); + + + + + sampletick.attach(&audio_sample, 1.0 / sample_freq); + + //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(); +// wait(1.0 / sample_freq); // wait 0.5s } -} +} \ No newline at end of file