Vamsish Satoor / Mbed 2 deprecated 4180-FinalProject

music mixer code

Dependencies:   mbed wave_player mbed-rtos SimpleRGB 4DGL-uLCD-SE PinDetect

main.cpp@5:420cda7cbfc5, 2016-10-11 (annotated)

Committer:
kswanson31
Date:
Tue Oct 11 02:18:19 2016 +0000
Revision:
5:420cda7cbfc5
Parent:
4:4792f0db029a
Child:
6:648cd6a6fae2
Completed reboot thread with apple logo and progress bar

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kswanson31 0:51d88b4e2b23 1 #include "mbed.h"
kswanson31 0:51d88b4e2b23 2 #include "rtos.h"
kswanson31 5:420cda7cbfc5 3 #include <string>
fkhan39 4:4792f0db029a 4 #include "uLCD_4DGL.h"
kswanson31 1:ff69d2d97a2c 5 #include "SimpleRGB.h"
kswanson31 1:ff69d2d97a2c 6
kswanson31 1:ff69d2d97a2c 7 #define SECOND 1000 // used with threads
kswanson31 3:641770225c44 8 DigitalOut led(LED1); // test led
kswanson31 0:51d88b4e2b23 9
kswanson31 5:420cda7cbfc5 10 uLCD_4DGL lcd(p9,p10,p11);
kswanson31 3:641770225c44 11 /* 1 init/declare
kswanson31 1:ff69d2d97a2c 12
kswanson31 0:51d88b4e2b23 13 Ticker first;
kswanson31 0:51d88b4e2b23 14 Ticker second;
kswanson31 0:51d88b4e2b23 15 Ticker third;
kswanson31 0:51d88b4e2b23 16 Ticker fourth;
kswanson31 0:51d88b4e2b23 17 DigitalOut led1(LED1);
kswanson31 0:51d88b4e2b23 18 DigitalOut led2(LED2);
kswanson31 0:51d88b4e2b23 19 DigitalOut led3(LED3);
kswanson31 0:51d88b4e2b23 20 DigitalOut led4(LED4);
kswanson31 0:51d88b4e2b23 21
kswanson31 0:51d88b4e2b23 22 void one() { // attached to ticker object. will be called after time given
kswanson31 0:51d88b4e2b23 23 led1 = !led1; // flip the value of the led
kswanson31 0:51d88b4e2b23 24 } // nothing returned
kswanson31 0:51d88b4e2b23 25
kswanson31 0:51d88b4e2b23 26 void two() {
kswanson31 0:51d88b4e2b23 27 led2 = !led2;
kswanson31 0:51d88b4e2b23 28 }
kswanson31 0:51d88b4e2b23 29
kswanson31 0:51d88b4e2b23 30 void three() {
kswanson31 0:51d88b4e2b23 31 led3 = !led3;
kswanson31 0:51d88b4e2b23 32 }
kswanson31 0:51d88b4e2b23 33
fkhan39 2:c64bfb83fe76 34 void four() {
kswanson31 0:51d88b4e2b23 35 led4 = !led4;
kswanson31 0:51d88b4e2b23 36 }
kswanson31 1:ff69d2d97a2c 37
kswanson31 3:641770225c44 38 */// - 1
kswanson31 0:51d88b4e2b23 39
kswanson31 1:ff69d2d97a2c 40
kswanson31 3:641770225c44 41 /* 2 init/declare */
kswanson31 1:ff69d2d97a2c 42
kswanson31 1:ff69d2d97a2c 43 // lcd thread
kswanson31 0:51d88b4e2b23 44 void uLCD_reboot_thread(void const *args) {
kswanson31 0:51d88b4e2b23 45 // show reboot process, associated with clip of apple restart
kswanson31 1:ff69d2d97a2c 46 while (true) {
kswanson31 0:51d88b4e2b23 47 // lock, print 'Rebooting!' to uLCD with "progress_bar" underneath
fkhan39 4:4792f0db029a 48 lcd.text_string("Rebooting", 2, 5, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 49 // draw progress bar 8 sec
fkhan39 4:4792f0db029a 50 for (int i = 0; i < 8; i++) {
kswanson31 5:420cda7cbfc5 51 lcd.text_string("|", 2 + i, 6, FONT_7X8, WHITE);
kswanson31 5:420cda7cbfc5 52 // progress[i+1] += arr[i];
kswanson31 5:420cda7cbfc5 53 Thread::wait(SECOND);
fkhan39 4:4792f0db029a 54 }
kswanson31 0:51d88b4e2b23 55 // draw an ascii 'apple'
kswanson31 5:420cda7cbfc5 56 lcd.text_string(" .:' ", 2, 4, FONT_7X8, WHITE);
kswanson31 5:420cda7cbfc5 57 lcd.text_string(" :' ", 2, 5, FONT_7X8, WHITE);
kswanson31 5:420cda7cbfc5 58 lcd.text_string(" .'` `-' ``. ", 2, 6, FONT_7X8, WHITE);
kswanson31 5:420cda7cbfc5 59 lcd.text_string(": .-' ", 2, 7, FONT_7X8, WHITE);
kswanson31 5:420cda7cbfc5 60 lcd.text_string(": : ", 2, 8, FONT_7X8, WHITE);
kswanson31 5:420cda7cbfc5 61 lcd.text_string(" : `-; ", 2, 9, FONT_7X8, WHITE);
kswanson31 5:420cda7cbfc5 62 lcd.text_string(" `.__.-.__.' ", 2, 10, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 63 // unlock, wait for 52
kswanson31 5:420cda7cbfc5 64 Thread::wait(52 * SECOND);
kswanson31 5:420cda7cbfc5 65 // clear screen
kswanson31 5:420cda7cbfc5 66 lcd.cls();
kswanson31 0:51d88b4e2b23 67 }
kswanson31 0:51d88b4e2b23 68 }
kswanson31 0:51d88b4e2b23 69
kswanson31 1:ff69d2d97a2c 70 // lcd thread
kswanson31 0:51d88b4e2b23 71 void uLCD_status_thread(void const *args) {
kswanson31 0:51d88b4e2b23 72 // show time with smile, frown, sad face at top right
fkhan39 4:4792f0db029a 73 set_time(1476146921);
kswanson31 1:ff69d2d97a2c 74 while (true) {
kswanson31 5:420cda7cbfc5 75 char buffer[32];
kswanson31 0:51d88b4e2b23 76 // lock, update time at top right with smiley at top left
fkhan39 4:4792f0db029a 77 time_t seconds = time(NULL);
fkhan39 4:4792f0db029a 78 strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
fkhan39 4:4792f0db029a 79 lcd.text_string(buffer, 5, 1, FONT_7X8, RED);
fkhan39 4:4792f0db029a 80 lcd.text_string(":-)", 1, 1, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 81 // unlock, wait for 20 sec
kswanson31 5:420cda7cbfc5 82 Thread::wait(20 * SECOND);
fkhan39 4:4792f0db029a 83 // lock, change to frown
fkhan39 4:4792f0db029a 84 lcd.text_string(">:|", 1, 1, FONT_7X8, WHITE);
fkhan39 4:4792f0db029a 85 // unlock, wait for 20 sec
kswanson31 5:420cda7cbfc5 86 Thread::wait(20 * SECOND);
kswanson31 0:51d88b4e2b23 87 // lock, change to sad
fkhan39 4:4792f0db029a 88 lcd.text_string(":-(", 1, 1, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 89 // unlock, wait for 20 sec
kswanson31 5:420cda7cbfc5 90 Thread::wait(20 * SECOND);
kswanson31 0:51d88b4e2b23 91 }
kswanson31 0:51d88b4e2b23 92 }
kswanson31 0:51d88b4e2b23 93
kswanson31 1:ff69d2d97a2c 94 RGBLed rgbLED(p21, p22, p23); // object to use the RGB LED
kswanson31 1:ff69d2d97a2c 95 const LightColor green(0.0, 0.8, 0.0); // adjust brightness for green
kswanson31 1:ff69d2d97a2c 96 const LightColor yellow(1.0, 0.8, 0.0);
kswanson31 1:ff69d2d97a2c 97 const LightColor orange(1.0, 0.4, 0.0);
kswanson31 1:ff69d2d97a2c 98 const LightColor red(1.0,0.0,0.0);
kswanson31 1:ff69d2d97a2c 99 const LightColor violet(1.0, 0.0, 0.8);
kswanson31 1:ff69d2d97a2c 100 const LightColor blue(0.0, 0.0, 1.0);
kswanson31 1:ff69d2d97a2c 101
kswanson31 1:ff69d2d97a2c 102 // rgb led thread
kswanson31 0:51d88b4e2b23 103 void rainbow_led_thread(void const *args) {
kswanson31 1:ff69d2d97a2c 104 // reboot with white (6 sec), then cycle through apple colors (54 sec)
kswanson31 1:ff69d2d97a2c 105 while (true) {
kswanson31 1:ff69d2d97a2c 106 rgbLED.write(1.0, 1.0, 1.0); // bright white
kswanson31 1:ff69d2d97a2c 107 Thread::wait(2 * SECOND);
kswanson31 1:ff69d2d97a2c 108 // dim to nothing over 4 seconds
kswanson31 1:ff69d2d97a2c 109 for (float c = 1.0; c > 0.0; c = c - 0.01) {
kswanson31 1:ff69d2d97a2c 110 rgbLED.write(c, c, c);
kswanson31 1:ff69d2d97a2c 111 Thread::wait(40); // 40 * 100 = 4000 = 4 secs
kswanson31 1:ff69d2d97a2c 112 }
kswanson31 1:ff69d2d97a2c 113 // rotate through other colors over 54 seconds
kswanson31 1:ff69d2d97a2c 114 rgbLED = green;
kswanson31 1:ff69d2d97a2c 115 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 116 rgbLED = yellow;
kswanson31 1:ff69d2d97a2c 117 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 118 rgbLED = orange;
kswanson31 1:ff69d2d97a2c 119 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 120 rgbLED = red;
kswanson31 1:ff69d2d97a2c 121 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 122 rgbLED = violet;
kswanson31 1:ff69d2d97a2c 123 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 124 rgbLED = blue;
kswanson31 1:ff69d2d97a2c 125 Thread::wait(9 * SECOND);
kswanson31 0:51d88b4e2b23 126 }
kswanson31 0:51d88b4e2b23 127 }
kswanson31 3:641770225c44 128 // - 2
kswanson31 0:51d88b4e2b23 129
kswanson31 1:ff69d2d97a2c 130
kswanson31 0:51d88b4e2b23 131 int main() {
kswanson31 3:641770225c44 132 /* 1 calls
kswanson31 0:51d88b4e2b23 133 led1 = 1, led2 = 1, led3 = 1, led4 = 1;
kswanson31 0:51d88b4e2b23 134
kswanson31 0:51d88b4e2b23 135 first.attach(&one, 1.0); // attach the function and when to call it
kswanson31 0:51d88b4e2b23 136 second.attach(&two, 2.0);
kswanson31 0:51d88b4e2b23 137 third.attach(&three, 3.0);
kswanson31 0:51d88b4e2b23 138 fourth.attach(&four, 4.0);
kswanson31 3:641770225c44 139 */// - 1
kswanson31 0:51d88b4e2b23 140
kswanson31 1:ff69d2d97a2c 141
kswanson31 3:641770225c44 142 /* 2 calls */
kswanson31 5:420cda7cbfc5 143 Thread thread2(uLCD_reboot_thread);
kswanson31 3:641770225c44 144 //Thread thread3(uLCD_status_thread);
kswanson31 1:ff69d2d97a2c 145 Thread thread4(rainbow_led_thread);
kswanson31 3:641770225c44 146 // - 2
kswanson31 1:ff69d2d97a2c 147
kswanson31 1:ff69d2d97a2c 148
kswanson31 3:641770225c44 149 led = 1;
kswanson31 3:641770225c44 150
kswanson31 1:ff69d2d97a2c 151 while(true) {
kswanson31 3:641770225c44 152 /* 2 speaker 'thread' calls
kswanson31 0:51d88b4e2b23 153 // speaker plays mac reboot sound, error sound occasionally
kswanson31 0:51d88b4e2b23 154 // play reboot sound
kswanson31 0:51d88b4e2b23 155 // wait 20
kswanson31 0:51d88b4e2b23 156 // error
kswanson31 0:51d88b4e2b23 157 // wait 20
kswanson31 0:51d88b4e2b23 158 // error
kswanson31 0:51d88b4e2b23 159 // wait 20
kswanson31 3:641770225c44 160 */// - 2
kswanson31 3:641770225c44 161
kswanson31 3:641770225c44 162
kswanson31 3:641770225c44 163 // thread testing
kswanson31 3:641770225c44 164 led = !led;
kswanson31 3:641770225c44 165 Thread::wait(2000);
kswanson31 3:641770225c44 166 led = !led;
kswanson31 3:641770225c44 167 Thread::wait(1000);
kswanson31 3:641770225c44 168 led = !led;
kswanson31 3:641770225c44 169 Thread::wait(500);
kswanson31 3:641770225c44 170 // - test
kswanson31 3:641770225c44 171
kswanson31 0:51d88b4e2b23 172 } // interupts will occur automatically
kswanson31 0:51d88b4e2b23 173 }