Nick H / Mbed 2 deprecated final_proj_rtos

ECE 4180 final project. Sound and Bluetooth activated coffee maker

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

main.cpp@5:18b2796e4847, 2019-10-03 (annotated)

Committer:
nhummel3
Date:
Thu Oct 03 21:28:13 2019 +0000
Revision:
5:18b2796e4847
Parent:
4:79863d2ea5a0
Child:
6:e4aba042979b
rtos attempt;

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 "Small_6.h"
dreschpe 0:f6a57b843f79 8 #include "Small_7.h"
dreschpe 0:f6a57b843f79 9 #include "Arial_9.h"
dreschpe 0:f6a57b843f79 10 #include "stdio.h"
dreschpe 1:1c6a9eaf55b5 11 #include "C12832_lcd.h"
nhummel3 5:18b2796e4847 12 #include "sound.h"
dreschpe 0:f6a57b843f79 13
nhummel3 5:18b2796e4847 14 #define sample_freq 11025.0
nhummel3 5:18b2796e4847 15 //get and set the frequency from wav conversion tool GUI
nhummel3 5:18b2796e4847 16 int i=0;
4180_1 4:79863d2ea5a0 17
nhummel3 5:18b2796e4847 18 Ticker sampletick;
dreschpe 3:3ec443c0842a 19 C12832_LCD LCD;
dreschpe 1:1c6a9eaf55b5 20 AnalogIn Pot1(p19);
dreschpe 1:1c6a9eaf55b5 21 AnalogIn Pot2(p20);
4180_1 4:79863d2ea5a0 22 PwmOut Speaker(p26);
4180_1 4:79863d2ea5a0 23 PwmOut RGBLED_r(p23);
4180_1 4:79863d2ea5a0 24 PwmOut RGBLED_g(p24);
4180_1 4:79863d2ea5a0 25 PwmOut RGBLED_b(p25);
4180_1 4:79863d2ea5a0 26 DigitalIn joyfire(p14);
4180_1 4:79863d2ea5a0 27 BusIn joy(p15,p12,p13,p16);
4180_1 4:79863d2ea5a0 28 BusOut leds(LED1,LED2,LED3,LED4);
dreschpe 2:a69c8c5f5b03 29
4180_1 4:79863d2ea5a0 30 // mutex to make the lcd lib thread safe
dreschpe 1:1c6a9eaf55b5 31 Mutex lcd_mutex;
dreschpe 0:f6a57b843f79 32
nhummel3 5:18b2796e4847 33 void audio_sample ()
dreschpe 0:f6a57b843f79 34 {
dreschpe 0:f6a57b843f79 35
nhummel3 5:18b2796e4847 36 Speaker = sound_data[i]/255.0;//scale to 0.0 to 1.0 for PWM
nhummel3 5:18b2796e4847 37 i++;
nhummel3 5:18b2796e4847 38 if (i>= NUM_ELEMENTS) {
nhummel3 5:18b2796e4847 39 i = 0;
nhummel3 5:18b2796e4847 40 sampletick.detach();
dreschpe 0:f6a57b843f79 41 }
dreschpe 0:f6a57b843f79 42 }
dreschpe 0:f6a57b843f79 43
nhummel3 5:18b2796e4847 44 //
nhummel3 5:18b2796e4847 45 //// Thread 1
nhummel3 5:18b2796e4847 46 //// print counter into first line and wait for 1 s
nhummel3 5:18b2796e4847 47 //void thread1(void const *args)
nhummel3 5:18b2796e4847 48 //{
nhummel3 5:18b2796e4847 49 // int i;
nhummel3 5:18b2796e4847 50 // while(true) { // thread loop
nhummel3 5:18b2796e4847 51 // lcd_mutex.lock();
nhummel3 5:18b2796e4847 52 // LCD.locate(0,0);
nhummel3 5:18b2796e4847 53 // LCD.set_font((unsigned char*) Small_6);
nhummel3 5:18b2796e4847 54 // LCD.printf("Thread1 count: %d",i);
nhummel3 5:18b2796e4847 55 // lcd_mutex.unlock();
nhummel3 5:18b2796e4847 56 // i++;
nhummel3 5:18b2796e4847 57 // Thread::wait(1000);
nhummel3 5:18b2796e4847 58 // }
nhummel3 5:18b2796e4847 59 //}
nhummel3 5:18b2796e4847 60 //
nhummel3 5:18b2796e4847 61 //// Thread 2
nhummel3 5:18b2796e4847 62 //// print counter into third line and wait for 0,5s
nhummel3 5:18b2796e4847 63 //void thread2(void const *args)
nhummel3 5:18b2796e4847 64 //{
nhummel3 5:18b2796e4847 65 // int k;
nhummel3 5:18b2796e4847 66 // while(true) { // thread loop
nhummel3 5:18b2796e4847 67 // lcd_mutex.lock();
nhummel3 5:18b2796e4847 68 // LCD.locate(0,20);
nhummel3 5:18b2796e4847 69 // LCD.set_font((unsigned char*) Arial_9);
nhummel3 5:18b2796e4847 70 // LCD.printf("Thread 2 count : %d",k);
nhummel3 5:18b2796e4847 71 // lcd_mutex.unlock();
nhummel3 5:18b2796e4847 72 // k++;
nhummel3 5:18b2796e4847 73 // Thread::wait(500); // wait 0.5s
nhummel3 5:18b2796e4847 74 // }
nhummel3 5:18b2796e4847 75 //}
nhummel3 5:18b2796e4847 76 //
nhummel3 5:18b2796e4847 77 //// Thread 3
nhummel3 5:18b2796e4847 78 //// print a sin function in a small window
nhummel3 5:18b2796e4847 79 //// the value of pot 1 changes the speed of the sine wave
nhummel3 5:18b2796e4847 80 //void thread3(void const *args)
nhummel3 5:18b2796e4847 81 //{
nhummel3 5:18b2796e4847 82 // int i,k,v;
nhummel3 5:18b2796e4847 83 // double s,a;
nhummel3 5:18b2796e4847 84 // k = 1;
nhummel3 5:18b2796e4847 85 // lcd_mutex.lock();
nhummel3 5:18b2796e4847 86 // LCD.rect(89,0,127,17,1);
nhummel3 5:18b2796e4847 87 // lcd_mutex.unlock();
nhummel3 5:18b2796e4847 88 // while(true) { // thread loop
nhummel3 5:18b2796e4847 89 // v = Pot1.read_u16(); // get value of pot 1
nhummel3 5:18b2796e4847 90 // lcd_mutex.lock();
nhummel3 5:18b2796e4847 91 // for (i=90; i<127; i++) {
nhummel3 5:18b2796e4847 92 // s = 8 * sin((long double)(i+k) /5); // pixel to print
nhummel3 5:18b2796e4847 93 // a = 8 * sin((long double)(i+k-1) /5); // old pixel to erase
nhummel3 5:18b2796e4847 94 // LCD.pixel(i,9 + (int)a ,0); // erase pixel
nhummel3 5:18b2796e4847 95 // LCD.pixel(i,9 + (int)s ,1); // print pixel
nhummel3 5:18b2796e4847 96 // }
nhummel3 5:18b2796e4847 97 // LCD.copy_to_lcd(); // LCD.pixel does not update the lcd
nhummel3 5:18b2796e4847 98 // lcd_mutex.unlock();
nhummel3 5:18b2796e4847 99 // k++;
nhummel3 5:18b2796e4847 100 // Thread::wait(v/100); // value of pot1 / 100
nhummel3 5:18b2796e4847 101 // }
nhummel3 5:18b2796e4847 102 //}
nhummel3 5:18b2796e4847 103 //
nhummel3 5:18b2796e4847 104 //// Thread 4
nhummel3 5:18b2796e4847 105 //// input pot 2 and change the contrast of LCD
nhummel3 5:18b2796e4847 106 //void thread4(void const *args)
nhummel3 5:18b2796e4847 107 //{
nhummel3 5:18b2796e4847 108 // int k;
nhummel3 5:18b2796e4847 109 // while(true) { // thread loop
nhummel3 5:18b2796e4847 110 // k = Pot2.read_u16(); // get the value of poti 2
nhummel3 5:18b2796e4847 111 // k = k >> 10; // need only 6 bits for contrast
nhummel3 5:18b2796e4847 112 // lcd_mutex.lock();
nhummel3 5:18b2796e4847 113 // LCD.set_contrast(k);
nhummel3 5:18b2796e4847 114 // lcd_mutex.unlock();
nhummel3 5:18b2796e4847 115 // Thread::wait(500); // wait 0.5s
nhummel3 5:18b2796e4847 116 // }
nhummel3 5:18b2796e4847 117 //}
nhummel3 5:18b2796e4847 118 //// Thread 5
nhummel3 5:18b2796e4847 119 //// RGB LED
nhummel3 5:18b2796e4847 120 //void thread5(void const *args)
nhummel3 5:18b2796e4847 121 //{
nhummel3 5:18b2796e4847 122 // while(true) { // thread loop
nhummel3 5:18b2796e4847 123 // RGBLED_r = 0.5 + (rand() % 11)/20.0;
nhummel3 5:18b2796e4847 124 // RGBLED_g = 0.5 + (rand() % 11)/20.0;
nhummel3 5:18b2796e4847 125 // RGBLED_b = 0.5 + (rand() % 11)/20.0;
nhummel3 5:18b2796e4847 126 // Thread::wait(1667); // wait 1.5s
nhummel3 5:18b2796e4847 127 // }
nhummel3 5:18b2796e4847 128 //}
nhummel3 5:18b2796e4847 129 //// Thread 6
nhummel3 5:18b2796e4847 130 //// Speaker
nhummel3 5:18b2796e4847 131 //void thread6(void const *args)
nhummel3 5:18b2796e4847 132 //{
nhummel3 5:18b2796e4847 133 // while(true) {
nhummel3 5:18b2796e4847 134 // //sampletick.attach(&audio_sample, 1.0 / sample_freq);
nhummel3 5:18b2796e4847 135 // /*
nhummel3 5:18b2796e4847 136 // // thread loop
nhummel3 5:18b2796e4847 137 // Speaker.period(1.0/800.0);
nhummel3 5:18b2796e4847 138 // Speaker = 0.01;
nhummel3 5:18b2796e4847 139 // Thread::wait(1000); // wait 1.0s
nhummel3 5:18b2796e4847 140 // Speaker.period(1.0/969.0);
nhummel3 5:18b2796e4847 141 // Speaker = 0.01;
nhummel3 5:18b2796e4847 142 // Thread::wait(1000); // wait 1.0s
nhummel3 5:18b2796e4847 143 // */
nhummel3 5:18b2796e4847 144 // }
nhummel3 5:18b2796e4847 145 //}
nhummel3 5:18b2796e4847 146 //
nhummel3 5:18b2796e4847 147 //// Thread 7
nhummel3 5:18b2796e4847 148 //// Joystick controls onboard mbed LEDs
nhummel3 5:18b2796e4847 149 //void thread7(void const *args)
nhummel3 5:18b2796e4847 150 //{
nhummel3 5:18b2796e4847 151 // while(true) { // thread loop
nhummel3 5:18b2796e4847 152 // if (joyfire) {
nhummel3 5:18b2796e4847 153 // leds = 0xf;
nhummel3 5:18b2796e4847 154 // } else {
nhummel3 5:18b2796e4847 155 // leds = joy;
nhummel3 5:18b2796e4847 156 // }
nhummel3 5:18b2796e4847 157 // Thread::wait(200); // wait 0.25s
nhummel3 5:18b2796e4847 158 // }
nhummel3 5:18b2796e4847 159 //}
dreschpe 1:1c6a9eaf55b5 160
dreschpe 2:a69c8c5f5b03 161
4180_1 4:79863d2ea5a0 162
dreschpe 0:f6a57b843f79 163 int main()
dreschpe 0:f6a57b843f79 164 {
nhummel3 5:18b2796e4847 165 //int j;
nhummel3 5:18b2796e4847 166 //LCD.cls();
nhummel3 5:18b2796e4847 167 Speaker.period(1.0/250000.0);
nhummel3 5:18b2796e4847 168 //Thread t1(thread1); //start thread1
nhummel3 5:18b2796e4847 169 //Thread t2(thread2); //start thread2
nhummel3 5:18b2796e4847 170 //Thread t3(thread3); //start thread3
nhummel3 5:18b2796e4847 171 //Thread t4(thread4); //start thread4
nhummel3 5:18b2796e4847 172 //Thread t5(thread5); //start thread5
nhummel3 5:18b2796e4847 173 //Thread t6(thread6); //start thread6
nhummel3 5:18b2796e4847 174 //Thread t7(thread7); //start thread7
dreschpe 0:f6a57b843f79 175
dreschpe 2:a69c8c5f5b03 176 while(true) { // main is the next thread
nhummel3 5:18b2796e4847 177 //lcd_mutex.lock();
nhummel3 5:18b2796e4847 178
nhummel3 5:18b2796e4847 179
nhummel3 5:18b2796e4847 180
nhummel3 5:18b2796e4847 181
nhummel3 5:18b2796e4847 182 sampletick.attach(&audio_sample, 1.0 / sample_freq);
nhummel3 5:18b2796e4847 183
nhummel3 5:18b2796e4847 184 //LCD.locate(0,9);
nhummel3 5:18b2796e4847 185 //LCD.set_font((unsigned char*) Small_7);
nhummel3 5:18b2796e4847 186 //j = LCD.get_contrast(); // read the actual contrast
nhummel3 5:18b2796e4847 187 //LCD.printf("contrast : %d",j);
nhummel3 5:18b2796e4847 188 //lcd_mutex.unlock();
nhummel3 5:18b2796e4847 189 // wait(1.0 / sample_freq); // wait 0.5s
dreschpe 0:f6a57b843f79 190 }
nhummel3 5:18b2796e4847 191 }