Vamsish Satoor / Mbed 2 deprecated 4180-FinalProject

music mixer code

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

main.cpp@4:4792f0db029a, 2016-10-11 (annotated)

Committer:
fkhan39
Date:
Tue Oct 11 01:18:40 2016 +0000
Revision:
4:4792f0db029a
Parent:
3:641770225c44
Child:
5:420cda7cbfc5
ulcd commit;

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"
fkhan39 4:4792f0db029a 3 #include "uLCD_4DGL.h"
kswanson31 1:ff69d2d97a2c 4 #include "SimpleRGB.h"
kswanson31 1:ff69d2d97a2c 5
kswanson31 1:ff69d2d97a2c 6 #define SECOND 1000 // used with threads
kswanson31 3:641770225c44 7 DigitalOut led(LED1); // test led
kswanson31 0:51d88b4e2b23 8
fkhan39 4:4792f0db029a 9 uLCD_4DGL lcd(p13,p14,p12);
kswanson31 3:641770225c44 10 /* 1 init/declare
kswanson31 1:ff69d2d97a2c 11
kswanson31 0:51d88b4e2b23 12 Ticker first;
kswanson31 0:51d88b4e2b23 13 Ticker second;
kswanson31 0:51d88b4e2b23 14 Ticker third;
kswanson31 0:51d88b4e2b23 15 Ticker fourth;
kswanson31 0:51d88b4e2b23 16 DigitalOut led1(LED1);
kswanson31 0:51d88b4e2b23 17 DigitalOut led2(LED2);
kswanson31 0:51d88b4e2b23 18 DigitalOut led3(LED3);
kswanson31 0:51d88b4e2b23 19 DigitalOut led4(LED4);
kswanson31 0:51d88b4e2b23 20
kswanson31 0:51d88b4e2b23 21 void one() { // attached to ticker object. will be called after time given
kswanson31 0:51d88b4e2b23 22 led1 = !led1; // flip the value of the led
kswanson31 0:51d88b4e2b23 23 } // nothing returned
kswanson31 0:51d88b4e2b23 24
kswanson31 0:51d88b4e2b23 25 void two() {
kswanson31 0:51d88b4e2b23 26 led2 = !led2;
kswanson31 0:51d88b4e2b23 27 }
kswanson31 0:51d88b4e2b23 28
kswanson31 0:51d88b4e2b23 29 void three() {
kswanson31 0:51d88b4e2b23 30 led3 = !led3;
kswanson31 0:51d88b4e2b23 31 }
kswanson31 0:51d88b4e2b23 32
fkhan39 2:c64bfb83fe76 33 void four() {
kswanson31 0:51d88b4e2b23 34 led4 = !led4;
kswanson31 0:51d88b4e2b23 35 }
kswanson31 1:ff69d2d97a2c 36
kswanson31 3:641770225c44 37 */// - 1
kswanson31 0:51d88b4e2b23 38
kswanson31 1:ff69d2d97a2c 39
kswanson31 3:641770225c44 40 /* 2 init/declare */
kswanson31 1:ff69d2d97a2c 41
kswanson31 1:ff69d2d97a2c 42 // lcd thread
kswanson31 0:51d88b4e2b23 43 void uLCD_reboot_thread(void const *args) {
kswanson31 0:51d88b4e2b23 44 // show reboot process, associated with clip of apple restart
kswanson31 1:ff69d2d97a2c 45 while (true) {
kswanson31 0:51d88b4e2b23 46 // lock, print 'Rebooting!' to uLCD with "progress_bar" underneath
fkhan39 4:4792f0db029a 47 lcd.text_string("Rebooting", 2, 5, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 48 // draw progress bar 8 sec
fkhan39 4:4792f0db029a 49 std::string progress("|");
fkhan39 4:4792f0db029a 50 for (int i = 0; i < 8; i++) {
fkhan39 4:4792f0db029a 51 lcd.text_string(progress, 2, 6, FONT_7X8, WHITE);
fkhan39 4:4792f0db029a 52 progress += '|';
fkhan39 4:4792f0db029a 53 wait(SECOND);
fkhan39 4:4792f0db029a 54 }
kswanson31 0:51d88b4e2b23 55 // draw an ascii 'apple'
fkhan39 4:4792f0db029a 56 lcd.text_string("(_`_)", 2, 5, FONT_7X8, WHITE);
fkhan39 4:4792f0db029a 57 lcd.text_string("", 2, 6, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 58 // unlock, wait for 52
fkhan39 4:4792f0db029a 59 wait(52*SECOND);
kswanson31 0:51d88b4e2b23 60 }
kswanson31 0:51d88b4e2b23 61 }
kswanson31 0:51d88b4e2b23 62
kswanson31 1:ff69d2d97a2c 63 // lcd thread
kswanson31 0:51d88b4e2b23 64 void uLCD_status_thread(void const *args) {
kswanson31 0:51d88b4e2b23 65 // show time with smile, frown, sad face at top right
fkhan39 4:4792f0db029a 66 set_time(1476146921);
kswanson31 1:ff69d2d97a2c 67 while (true) {
kswanson31 0:51d88b4e2b23 68 // lock, update time at top right with smiley at top left
fkhan39 4:4792f0db029a 69 time_t seconds = time(NULL);
fkhan39 4:4792f0db029a 70 char buffer[32];
fkhan39 4:4792f0db029a 71 strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
fkhan39 4:4792f0db029a 72 lcd.text_string(buffer, 5, 1, FONT_7X8, RED);
fkhan39 4:4792f0db029a 73 lcd.text_string(":-)", 1, 1, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 74 // unlock, wait for 20 sec
fkhan39 4:4792f0db029a 75 wait(20*SECOND);
fkhan39 4:4792f0db029a 76 // lock, change to frown
fkhan39 4:4792f0db029a 77 lcd.text_string(">:|", 1, 1, FONT_7X8, WHITE);
fkhan39 4:4792f0db029a 78 // unlock, wait for 20 sec
fkhan39 4:4792f0db029a 79 wait(20*SECOND);
kswanson31 0:51d88b4e2b23 80 // lock, change to sad
fkhan39 4:4792f0db029a 81 lcd.text_string(":-(", 1, 1, FONT_7X8, WHITE);
kswanson31 0:51d88b4e2b23 82 // unlock, wait for 20 sec
fkhan39 4:4792f0db029a 83 wait(20*SECOND);
kswanson31 0:51d88b4e2b23 84 }
kswanson31 0:51d88b4e2b23 85 }
kswanson31 0:51d88b4e2b23 86
kswanson31 1:ff69d2d97a2c 87 RGBLed rgbLED(p21, p22, p23); // object to use the RGB LED
kswanson31 1:ff69d2d97a2c 88 const LightColor green(0.0, 0.8, 0.0); // adjust brightness for green
kswanson31 1:ff69d2d97a2c 89 const LightColor yellow(1.0, 0.8, 0.0);
kswanson31 1:ff69d2d97a2c 90 const LightColor orange(1.0, 0.4, 0.0);
kswanson31 1:ff69d2d97a2c 91 const LightColor red(1.0,0.0,0.0);
kswanson31 1:ff69d2d97a2c 92 const LightColor violet(1.0, 0.0, 0.8);
kswanson31 1:ff69d2d97a2c 93 const LightColor blue(0.0, 0.0, 1.0);
kswanson31 1:ff69d2d97a2c 94
kswanson31 1:ff69d2d97a2c 95 // rgb led thread
kswanson31 0:51d88b4e2b23 96 void rainbow_led_thread(void const *args) {
kswanson31 1:ff69d2d97a2c 97 // reboot with white (6 sec), then cycle through apple colors (54 sec)
kswanson31 1:ff69d2d97a2c 98 while (true) {
kswanson31 1:ff69d2d97a2c 99 rgbLED.write(1.0, 1.0, 1.0); // bright white
kswanson31 1:ff69d2d97a2c 100 Thread::wait(2 * SECOND);
kswanson31 1:ff69d2d97a2c 101 // dim to nothing over 4 seconds
kswanson31 1:ff69d2d97a2c 102 for (float c = 1.0; c > 0.0; c = c - 0.01) {
kswanson31 1:ff69d2d97a2c 103 rgbLED.write(c, c, c);
kswanson31 1:ff69d2d97a2c 104 Thread::wait(40); // 40 * 100 = 4000 = 4 secs
kswanson31 1:ff69d2d97a2c 105 }
kswanson31 1:ff69d2d97a2c 106 // rotate through other colors over 54 seconds
kswanson31 1:ff69d2d97a2c 107 rgbLED = green;
kswanson31 1:ff69d2d97a2c 108 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 109 rgbLED = yellow;
kswanson31 1:ff69d2d97a2c 110 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 111 rgbLED = orange;
kswanson31 1:ff69d2d97a2c 112 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 113 rgbLED = red;
kswanson31 1:ff69d2d97a2c 114 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 115 rgbLED = violet;
kswanson31 1:ff69d2d97a2c 116 Thread::wait(9 * SECOND);
kswanson31 1:ff69d2d97a2c 117 rgbLED = blue;
kswanson31 1:ff69d2d97a2c 118 Thread::wait(9 * SECOND);
kswanson31 0:51d88b4e2b23 119 }
kswanson31 0:51d88b4e2b23 120 }
kswanson31 3:641770225c44 121 // - 2
kswanson31 0:51d88b4e2b23 122
kswanson31 1:ff69d2d97a2c 123
kswanson31 0:51d88b4e2b23 124 int main() {
kswanson31 3:641770225c44 125 /* 1 calls
kswanson31 0:51d88b4e2b23 126 led1 = 1, led2 = 1, led3 = 1, led4 = 1;
kswanson31 0:51d88b4e2b23 127
kswanson31 0:51d88b4e2b23 128 first.attach(&one, 1.0); // attach the function and when to call it
kswanson31 0:51d88b4e2b23 129 second.attach(&two, 2.0);
kswanson31 0:51d88b4e2b23 130 third.attach(&three, 3.0);
kswanson31 0:51d88b4e2b23 131 fourth.attach(&four, 4.0);
kswanson31 3:641770225c44 132 */// - 1
kswanson31 0:51d88b4e2b23 133
kswanson31 1:ff69d2d97a2c 134
kswanson31 3:641770225c44 135 /* 2 calls */
kswanson31 3:641770225c44 136 //Thread thread2(uLCD_reboot_thread);
kswanson31 3:641770225c44 137 //Thread thread3(uLCD_status_thread);
kswanson31 1:ff69d2d97a2c 138 Thread thread4(rainbow_led_thread);
kswanson31 3:641770225c44 139 // - 2
kswanson31 1:ff69d2d97a2c 140
kswanson31 1:ff69d2d97a2c 141
kswanson31 3:641770225c44 142 led = 1;
kswanson31 3:641770225c44 143
kswanson31 1:ff69d2d97a2c 144 while(true) {
kswanson31 3:641770225c44 145 /* 2 speaker 'thread' calls
kswanson31 0:51d88b4e2b23 146 // speaker plays mac reboot sound, error sound occasionally
kswanson31 0:51d88b4e2b23 147 // play reboot sound
kswanson31 0:51d88b4e2b23 148 // wait 20
kswanson31 0:51d88b4e2b23 149 // error
kswanson31 0:51d88b4e2b23 150 // wait 20
kswanson31 0:51d88b4e2b23 151 // error
kswanson31 0:51d88b4e2b23 152 // wait 20
kswanson31 3:641770225c44 153 */// - 2
kswanson31 3:641770225c44 154
kswanson31 3:641770225c44 155
kswanson31 3:641770225c44 156 // thread testing
kswanson31 3:641770225c44 157 led = !led;
kswanson31 3:641770225c44 158 Thread::wait(2000);
kswanson31 3:641770225c44 159 led = !led;
kswanson31 3:641770225c44 160 Thread::wait(1000);
kswanson31 3:641770225c44 161 led = !led;
kswanson31 3:641770225c44 162 Thread::wait(500);
kswanson31 3:641770225c44 163 // - test
kswanson31 3:641770225c44 164
kswanson31 0:51d88b4e2b23 165 } // interupts will occur automatically
kswanson31 0:51d88b4e2b23 166 }