ECE 4180 / Mbed 2 deprecated 4180-L3-P4

Lab 3 Part 4

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

main.cpp@14:ae63fb7c2d06, 2021-02-25 (annotated)

Committer:
glanier9
Date:
Thu Feb 25 20:51:58 2021 +0000
Revision:
14:ae63fb7c2d06
Parent:
13:8987c75dfe41
Child:
15:e406620ee8af
Ditched the interrupt idea. Using a check for every blink cycle. ISSUE: for some reason the logic for the serial check inside thread one is being read even though no serial data is transmitted. The LED ends up turning itself off.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:491820ee784d 1 #include "mbed.h"
mbed_official 11:0309bef74ba8 2 #include "rtos.h"
glanier9 12:94b16c66c09a 3 #include "Speaker.h"
glanier9 12:94b16c66c09a 4 #include "uLCD_4DGL.h"
glanier9 12:94b16c66c09a 5 #include "SDFileSystem.h"
glanier9 12:94b16c66c09a 6 #include "wave_player.h"
glanier9 12:94b16c66c09a 7
glanier9 13:8987c75dfe41 8 char setting = '1';
glanier9 12:94b16c66c09a 9
glanier9 12:94b16c66c09a 10 BusOut myled(LED1,LED2,LED3,LED4);
glanier9 12:94b16c66c09a 11
glanier9 12:94b16c66c09a 12 Serial blue(p13,p14);
glanier9 12:94b16c66c09a 13
glanier9 12:94b16c66c09a 14 AnalogOut DACout(p18);
glanier9 12:94b16c66c09a 15
glanier9 12:94b16c66c09a 16 wave_player waver(&DACout);
glanier9 12:94b16c66c09a 17
glanier9 12:94b16c66c09a 18 SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
glanier9 12:94b16c66c09a 19
glanier9 12:94b16c66c09a 20 Mutex stdio_mutex;
glanier9 14:ae63fb7c2d06 21 Mutex get_mutex;
glanier9 12:94b16c66c09a 22
glanier9 12:94b16c66c09a 23 uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
glanier9 12:94b16c66c09a 24
glanier9 12:94b16c66c09a 25 PwmOut rLED(p21); // Light up Red LED with p21
glanier9 12:94b16c66c09a 26 PwmOut gLED(p22); // Light up Green LED with p22
glanier9 12:94b16c66c09a 27 PwmOut bLED(p23); // Light up Blue LED with p23
glanier9 12:94b16c66c09a 28
glanier9 12:94b16c66c09a 29 Thread thread1;
glanier9 12:94b16c66c09a 30 Thread thread2;
glanier9 12:94b16c66c09a 31 Thread thread3;
glanier9 12:94b16c66c09a 32 Thread thread4;
glanier9 12:94b16c66c09a 33
glanier9 14:ae63fb7c2d06 34 Semaphore sem1(0);
glanier9 14:ae63fb7c2d06 35 Semaphore sem2(0);
glanier9 14:ae63fb7c2d06 36
glanier9 14:ae63fb7c2d06 37 ///* The Terminator 53. Coming to theatres this summer!!!!!! */
glanier9 14:ae63fb7c2d06 38 //void the_terminator()
glanier9 14:ae63fb7c2d06 39 //{
glanier9 14:ae63fb7c2d06 40 //
glanier9 14:ae63fb7c2d06 41 //}
glanier9 14:ae63fb7c2d06 42
glanier9 14:ae63fb7c2d06 43
glanier9 12:94b16c66c09a 44 /* Function Calls */
glanier9 12:94b16c66c09a 45 void top_red_box()
glanier9 12:94b16c66c09a 46 {
glanier9 12:94b16c66c09a 47 stdio_mutex.lock();
glanier9 12:94b16c66c09a 48 uLCD.filled_rectangle(0, 0, 127, 63, RED);
glanier9 12:94b16c66c09a 49 stdio_mutex.unlock();
glanier9 12:94b16c66c09a 50 }
glanier9 12:94b16c66c09a 51 void bot_blue_box()
glanier9 12:94b16c66c09a 52 {
glanier9 12:94b16c66c09a 53 stdio_mutex.lock();
glanier9 12:94b16c66c09a 54 uLCD.filled_rectangle(0, 63, 127, 127, BLUE);
glanier9 12:94b16c66c09a 55 stdio_mutex.unlock();
glanier9 12:94b16c66c09a 56 }
glanier9 12:94b16c66c09a 57 void top_black_box()
glanier9 12:94b16c66c09a 58 {
glanier9 12:94b16c66c09a 59 stdio_mutex.lock();
glanier9 12:94b16c66c09a 60 uLCD.filled_rectangle(0, 0, 127, 63, BLACK);
glanier9 12:94b16c66c09a 61 stdio_mutex.unlock();
glanier9 12:94b16c66c09a 62
glanier9 12:94b16c66c09a 63 }
glanier9 12:94b16c66c09a 64 void bot_black_box()
glanier9 12:94b16c66c09a 65 {
glanier9 12:94b16c66c09a 66 stdio_mutex.lock();
glanier9 12:94b16c66c09a 67 uLCD.filled_rectangle(0, 63, 127, 127, BLACK);
glanier9 12:94b16c66c09a 68 stdio_mutex.unlock();
glanier9 12:94b16c66c09a 69 }
glanier9 12:94b16c66c09a 70
glanier9 12:94b16c66c09a 71
glanier9 12:94b16c66c09a 72 /* Threads */
glanier9 12:94b16c66c09a 73 void led_thread()
glanier9 12:94b16c66c09a 74 {
glanier9 12:94b16c66c09a 75 while(1) {
glanier9 13:8987c75dfe41 76 if(setting == '1') {
glanier9 13:8987c75dfe41 77 bLED = 0;
glanier9 13:8987c75dfe41 78 rLED = 1;
glanier9 13:8987c75dfe41 79 gLED = 0;
glanier9 13:8987c75dfe41 80 Thread::wait(750);
glanier9 13:8987c75dfe41 81 rLED = 0;
glanier9 13:8987c75dfe41 82 bLED = 1;
glanier9 13:8987c75dfe41 83 gLED = 0;
glanier9 13:8987c75dfe41 84 Thread::wait(750);
glanier9 13:8987c75dfe41 85 }
glanier9 13:8987c75dfe41 86 if (setting == '2') {
glanier9 13:8987c75dfe41 87 bLED = 1;
glanier9 13:8987c75dfe41 88 rLED = 1;
glanier9 13:8987c75dfe41 89 gLED = 0;
glanier9 13:8987c75dfe41 90 Thread::wait(750);
glanier9 13:8987c75dfe41 91 rLED = 0;
glanier9 13:8987c75dfe41 92 bLED = 0;
glanier9 13:8987c75dfe41 93 gLED = 1;
glanier9 13:8987c75dfe41 94 Thread::wait(750);
glanier9 13:8987c75dfe41 95 }
glanier9 14:ae63fb7c2d06 96 if (blue.readable() && blue.getc()=='!') {
glanier9 14:ae63fb7c2d06 97 if (blue.getc()=='B') { //button data
glanier9 14:ae63fb7c2d06 98 char bnum = blue.getc(); //button number
glanier9 14:ae63fb7c2d06 99 if ((bnum>='1')&&(bnum<='4')) { //is a number button 1..4
glanier9 14:ae63fb7c2d06 100 setting = bnum;// Change setting based on button input to set start setting. Check for chars
glanier9 14:ae63fb7c2d06 101 rLED = 0;
glanier9 14:ae63fb7c2d06 102 gLED = 0;
glanier9 14:ae63fb7c2d06 103 bLED = 0;
glanier9 14:ae63fb7c2d06 104 myled[bnum-'1']=blue.getc()-'0'; //turn on/off that num LED
glanier9 14:ae63fb7c2d06 105 wait(1);
glanier9 14:ae63fb7c2d06 106 break;
glanier9 14:ae63fb7c2d06 107 }
glanier9 14:ae63fb7c2d06 108 }
glanier9 14:ae63fb7c2d06 109 }
emilmont 1:491820ee784d 110 }
emilmont 1:491820ee784d 111 }
glanier9 12:94b16c66c09a 112
glanier9 12:94b16c66c09a 113 void speaker_thread()
glanier9 12:94b16c66c09a 114 {
glanier9 12:94b16c66c09a 115 while(1) {
glanier9 12:94b16c66c09a 116 FILE *wave_file;
glanier9 12:94b16c66c09a 117 wave_file=fopen("/sd/WEEWOO.wav","r");
glanier9 12:94b16c66c09a 118 waver.play(wave_file);
glanier9 12:94b16c66c09a 119 fclose(wave_file);
glanier9 12:94b16c66c09a 120 }
glanier9 12:94b16c66c09a 121 }
glanier9 12:94b16c66c09a 122
glanier9 12:94b16c66c09a 123 void lcd1_thread()
glanier9 12:94b16c66c09a 124 {
glanier9 12:94b16c66c09a 125 while(1) {
glanier9 12:94b16c66c09a 126 top_red_box();
glanier9 12:94b16c66c09a 127 Thread::wait(750);
glanier9 12:94b16c66c09a 128 top_black_box();
glanier9 12:94b16c66c09a 129 Thread::wait(750);
glanier9 12:94b16c66c09a 130 }
glanier9 12:94b16c66c09a 131 }
glanier9 12:94b16c66c09a 132
glanier9 12:94b16c66c09a 133 void lcd2_thread()
glanier9 12:94b16c66c09a 134 {
glanier9 12:94b16c66c09a 135 while(1) {
glanier9 12:94b16c66c09a 136 bot_black_box();
glanier9 12:94b16c66c09a 137 Thread::wait(750);
glanier9 12:94b16c66c09a 138 bot_blue_box();
glanier9 12:94b16c66c09a 139 Thread::wait(750);
glanier9 12:94b16c66c09a 140 }
glanier9 12:94b16c66c09a 141 }
glanier9 12:94b16c66c09a 142
glanier9 12:94b16c66c09a 143 int main()
glanier9 12:94b16c66c09a 144 {
glanier9 12:94b16c66c09a 145 rLED = 0;
glanier9 12:94b16c66c09a 146 gLED = 0;
glanier9 12:94b16c66c09a 147 bLED = 0;
glanier9 13:8987c75dfe41 148
glanier9 14:ae63fb7c2d06 149 /* Wait for user to press a setting button */
glanier9 12:94b16c66c09a 150 char bnum=0;
glanier9 12:94b16c66c09a 151 while(1) {
glanier9 12:94b16c66c09a 152 if (blue.readable() && blue.getc()=='!') {
glanier9 12:94b16c66c09a 153 if (blue.getc()=='B') { //button data
glanier9 12:94b16c66c09a 154 bnum = blue.getc(); //button number
glanier9 13:8987c75dfe41 155 if ((bnum>='1')&&(bnum<='4')) { //is a number button 1..4
glanier9 13:8987c75dfe41 156 setting = bnum;// Change setting based on button input to set start setting. Check for chars
glanier9 12:94b16c66c09a 157 break; //turn on/off that num LED
glanier9 13:8987c75dfe41 158 }
glanier9 12:94b16c66c09a 159 }
glanier9 12:94b16c66c09a 160 }
glanier9 14:ae63fb7c2d06 161 }
glanier9 13:8987c75dfe41 162
glanier9 14:ae63fb7c2d06 163 /* Start all threads */
glanier9 12:94b16c66c09a 164 thread1.start(led_thread);
glanier9 12:94b16c66c09a 165 thread2.start(speaker_thread);
glanier9 12:94b16c66c09a 166 thread3.start(lcd1_thread);
glanier9 12:94b16c66c09a 167 thread4.start(lcd2_thread);
glanier9 13:8987c75dfe41 168
glanier9 14:ae63fb7c2d06 169 /* Infinite Loop, let threads run */
emilmont 1:491820ee784d 170 while (true) {
glanier9 14:ae63fb7c2d06 171 ///* Terminate all thread processes */
glanier9 14:ae63fb7c2d06 172 // thread1.join();
glanier9 14:ae63fb7c2d06 173 //
glanier9 14:ae63fb7c2d06 174 // thread2.terminate();
glanier9 14:ae63fb7c2d06 175 // thread3.terminate();
glanier9 14:ae63fb7c2d06 176 // thread4.terminate();
glanier9 14:ae63fb7c2d06 177 //
glanier9 14:ae63fb7c2d06 178 // /* Start all thread processes again, this time with new settings */
glanier9 14:ae63fb7c2d06 179 // thread1.start(led_thread);
glanier9 14:ae63fb7c2d06 180 // thread2.start(speaker_thread);
glanier9 14:ae63fb7c2d06 181 // thread3.start(lcd1_thread);
glanier9 14:ae63fb7c2d06 182 // thread4.start(lcd2_thread);
emilmont 1:491820ee784d 183 }
emilmont 1:491820ee784d 184 }