FFT LED Display / Mbed 2 deprecated GUI_Testing

guiiiii

Dependencies:   mbed wave_player mbed-rtos SDFileSystem

main.cpp@3:f53cb35273f8, 2020-12-03 (annotated)

Committer:
dimitryjl23
Date:
Thu Dec 03 19:41:11 2020 +0000
Revision:
3:f53cb35273f8
Parent:
2:b2c4f3766090 
some changes;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:bdbd3d6fc5d5 1 #include "mbed.h"
shyamgatech 2:b2c4f3766090 2 #include "rtos.h"
mbed_official 0:bdbd3d6fc5d5 3 #include "SDFileSystem.h"
shyamgatech 2:b2c4f3766090 4 #include "wave_player.h"
shyamgatech 2:b2c4f3766090 5 #include <string>
shyamgatech 2:b2c4f3766090 6
shyamgatech 2:b2c4f3766090 7 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
shyamgatech 2:b2c4f3766090 8 Serial pc (USBTX,USBRX);
shyamgatech 2:b2c4f3766090 9 DigitalOut led(LED1);
shyamgatech 2:b2c4f3766090 10 AnalogOut DACout(p18); // speaker
shyamgatech 2:b2c4f3766090 11 wave_player waver(&DACout);
shyamgatech 2:b2c4f3766090 12 //#define MAXLINE 100
shyamgatech 2:b2c4f3766090 13 //char myline [MAXLINE];
shyamgatech 2:b2c4f3766090 14 //int i, inch ;
shyamgatech 2:b2c4f3766090 15 string dir;
dimitryjl23 3:f53cb35273f8 16 //string song = "africa-toto";
shyamgatech 2:b2c4f3766090 17 string song;
shyamgatech 2:b2c4f3766090 18 bool play;
shyamgatech 2:b2c4f3766090 19 Mutex speaker_lock;
shyamgatech 2:b2c4f3766090 20
shyamgatech 2:b2c4f3766090 21
shyamgatech 2:b2c4f3766090 22
shyamgatech 2:b2c4f3766090 23 void speaker_thread(void const* args)
shyamgatech 2:b2c4f3766090 24 {
shyamgatech 2:b2c4f3766090 25 while(1) {
shyamgatech 2:b2c4f3766090 26 // check helper function for new song in GUI
shyamgatech 2:b2c4f3766090 27 // grab file here and put together string
shyamgatech 2:b2c4f3766090 28 // string song_title = "/sd/" + "" + ".wav";
dimitryjl23 3:f53cb35273f8 29
dimitryjl23 3:f53cb35273f8 30
dimitryjl23 3:f53cb35273f8 31 if(play == true)
dimitryjl23 3:f53cb35273f8 32 {
dimitryjl23 3:f53cb35273f8 33 //speaker_lock.lock();
dimitryjl23 3:f53cb35273f8 34 FILE *wave_file;
dimitryjl23 3:f53cb35273f8 35 dir = "/sd/" + song + ".wav";
dimitryjl23 3:f53cb35273f8 36 wave_file=fopen(dir.c_str(),"r");
shyamgatech 2:b2c4f3766090 37 waver.play(wave_file);
dimitryjl23 3:f53cb35273f8 38 fclose(wave_file);
dimitryjl23 3:f53cb35273f8 39 //speaker_lock.unlock();
shyamgatech 2:b2c4f3766090 40 }
dimitryjl23 3:f53cb35273f8 41 Thread::wait(1000);
shyamgatech 2:b2c4f3766090 42 }
shyamgatech 2:b2c4f3766090 43 }
shyamgatech 2:b2c4f3766090 44
shyamgatech 2:b2c4f3766090 45
shyamgatech 2:b2c4f3766090 46
shyamgatech 2:b2c4f3766090 47
shyamgatech 2:b2c4f3766090 48
shyamgatech 2:b2c4f3766090 49
shyamgatech 2:b2c4f3766090 50
shyamgatech 2:b2c4f3766090 51
shyamgatech 2:b2c4f3766090 52
shyamgatech 2:b2c4f3766090 53
shyamgatech 2:b2c4f3766090 54
shyamgatech 2:b2c4f3766090 55
shyamgatech 2:b2c4f3766090 56 int main()
shyamgatech 2:b2c4f3766090 57 {
dimitryjl23 3:f53cb35273f8 58
dimitryjl23 3:f53cb35273f8 59 char c;
shyamgatech 2:b2c4f3766090 60 Thread speaker(speaker_thread);
dimitryjl23 3:f53cb35273f8 61 //led = 1;
shyamgatech 2:b2c4f3766090 62 while(1) {
shyamgatech 2:b2c4f3766090 63 wait(0.2);
dimitryjl23 3:f53cb35273f8 64
shyamgatech 2:b2c4f3766090 65 while(!pc.readable()) {
shyamgatech 2:b2c4f3766090 66 Thread::wait(1);
shyamgatech 2:b2c4f3766090 67 }
shyamgatech 2:b2c4f3766090 68 if (pc.getc() == '!') {
shyamgatech 2:b2c4f3766090 69 c = pc.getc();
shyamgatech 2:b2c4f3766090 70 switch(c) {
shyamgatech 2:b2c4f3766090 71 case '1':
shyamgatech 2:b2c4f3766090 72 song = "africa-toto";
dimitryjl23 3:f53cb35273f8 73 //led = 1;
shyamgatech 2:b2c4f3766090 74 break;
shyamgatech 2:b2c4f3766090 75 case '2':
shyamgatech 2:b2c4f3766090 76 song = "around_the_world-atc";
shyamgatech 2:b2c4f3766090 77 break;
shyamgatech 2:b2c4f3766090 78 case '3':
shyamgatech 2:b2c4f3766090 79 song = "beautiful_life-ace_of_base";
shyamgatech 2:b2c4f3766090 80 break;
shyamgatech 2:b2c4f3766090 81 case '4':
shyamgatech 2:b2c4f3766090 82 song = "dont_speak-no_doubt";
shyamgatech 2:b2c4f3766090 83 break;
shyamgatech 2:b2c4f3766090 84 case '5':
shyamgatech 2:b2c4f3766090 85 song = "my-love";
shyamgatech 2:b2c4f3766090 86 break;
shyamgatech 2:b2c4f3766090 87 case '6':
shyamgatech 2:b2c4f3766090 88 song = "Song1_test";
dimitryjl23 3:f53cb35273f8 89 //speaker.terminate();
shyamgatech 2:b2c4f3766090 90 break;
shyamgatech 2:b2c4f3766090 91 case 'P':
shyamgatech 2:b2c4f3766090 92 // wave_player plays
shyamgatech 2:b2c4f3766090 93 play = true;
shyamgatech 2:b2c4f3766090 94 break;
shyamgatech 2:b2c4f3766090 95 case 'S':
shyamgatech 2:b2c4f3766090 96 // wave_player stops
shyamgatech 2:b2c4f3766090 97 play = false;
dimitryjl23 3:f53cb35273f8 98 //led!=led;
dimitryjl23 3:f53cb35273f8 99 //speaker.terminate();
shyamgatech 2:b2c4f3766090 100 break;
shyamgatech 2:b2c4f3766090 101 default:
shyamgatech 2:b2c4f3766090 102 break;
shyamgatech 2:b2c4f3766090 103 }
dimitryjl23 3:f53cb35273f8 104
dimitryjl23 3:f53cb35273f8 105 if(play==true){led=1;}
dimitryjl23 3:f53cb35273f8 106 else{led=0;}
shyamgatech 2:b2c4f3766090 107 }
shyamgatech 2:b2c4f3766090 108 Thread::wait(200);
shyamgatech 2:b2c4f3766090 109 }
shyamgatech 2:b2c4f3766090 110 }
shyamgatech 2:b2c4f3766090 111
shyamgatech 2:b2c4f3766090 112
shyamgatech 2:b2c4f3766090 113
shyamgatech 2:b2c4f3766090 114
shyamgatech 2:b2c4f3766090 115
shyamgatech 2:b2c4f3766090 116
shyamgatech 2:b2c4f3766090 117
shyamgatech 2:b2c4f3766090 118 //============================================================================//
shyamgatech 2:b2c4f3766090 119 /*
mbed_official 0:bdbd3d6fc5d5 120 int main() {
shyamgatech 2:b2c4f3766090 121 printf("\n\r= = = = = = = = = =");
shyamgatech 2:b2c4f3766090 122 printf("\n\rHello World!\n\r");
shyamgatech 2:b2c4f3766090 123 mkdir("/sd/mydir", 0777); // Test that previous run had created permanent folder
shyamgatech 2:b2c4f3766090 124 // write
shyamgatech 2:b2c4f3766090 125 FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); // Commenting out, in a later run, from here ..
mbed_official 0:bdbd3d6fc5d5 126 if(fp == NULL) {
mbed_official 0:bdbd3d6fc5d5 127 error("Could not open file for write\n");
mbed_official 0:bdbd3d6fc5d5 128 }
shyamgatech 2:b2c4f3766090 129 fprintf(fp, "Hello from SD Card World!");
shyamgatech 2:b2c4f3766090 130 fclose(fp);
shyamgatech 2:b2c4f3766090 131 printf("Created file in sdcard\n\r"); //.. to here shows file really is permanent .. .. since it still reads correctly.
shyamgatech 2:b2c4f3766090 132 // read
shyamgatech 2:b2c4f3766090 133 printf("Reading file\n");
shyamgatech 2:b2c4f3766090 134 string inputString;
shyamgatech 2:b2c4f3766090 135 FILE *fp1 = fopen("/sd/mydir/sdtest.txt", "r");
shyamgatech 2:b2c4f3766090 136 if (fp1 == NULL) {
shyamgatech 2:b2c4f3766090 137 printf("Error Open \n");
shyamgatech 2:b2c4f3766090 138 } else {
shyamgatech 2:b2c4f3766090 139 printf("\r");
shyamgatech 2:b2c4f3766090 140 while(fscanf(fp1, "%s", inputString)!=EOF) {
shyamgatech 2:b2c4f3766090 141 printf("%s ", inputString.c_str());
shyamgatech 2:b2c4f3766090 142 }
shyamgatech 2:b2c4f3766090 143 }
shyamgatech 2:b2c4f3766090 144 fclose(fp1); // close the file
shyamgatech 2:b2c4f3766090 145 printf("\n\rFinished reading the file");
shyamgatech 2:b2c4f3766090 146 printf("\n\r= = = = = = = = = =");
shyamgatech 2:b2c4f3766090 147
shyamgatech 2:b2c4f3766090 148 return 0;
mbed_official 0:bdbd3d6fc5d5 149 }
shyamgatech 2:b2c4f3766090 150 */