wefwe
Dependencies: mbed C12832 DogM163 FatFileSystem
main.cpp@27:6e5cc34fb952, 2019-04-20 (annotated)
- Committer:
- JostBaus
- Date:
- Sat Apr 20 17:12:05 2019 +0000
- Revision:
- 27:6e5cc34fb952
- Parent:
- 26:304ecc4066a8
- Child:
- 28:19aac2daf669
forgot Stopped = 0; in void Play
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
neilt6 | 0:8f2b6eed2a9d | 1 | #include "mbed.h" |
JostBaus | 26:304ecc4066a8 | 2 | #include "string.h" |
JostBaus | 26:304ecc4066a8 | 3 | #include "stdio.h" |
JostBaus | 26:304ecc4066a8 | 4 | #include "math.h" |
JostBaus | 26:304ecc4066a8 | 5 | #include "C12832.h" |
JostBaus | 26:304ecc4066a8 | 6 | #include "WavPlayer.h" |
neilt6 | 0:8f2b6eed2a9d | 7 | #include "SDFileSystem.h" |
JostBaus | 26:304ecc4066a8 | 8 | #include <string> |
JostBaus | 26:304ecc4066a8 | 9 | using namespace std; |
neilt6 | 0:8f2b6eed2a9d | 10 | |
JostBaus | 26:304ecc4066a8 | 11 | //Communication\interfaces |
JostBaus | 26:304ecc4066a8 | 12 | Serial pc(USBTX,USBRX); //USB serial |
JostBaus | 26:304ecc4066a8 | 13 | C12832 lcd(p5, p7, p6, p8, p11); //LCD |
JostBaus | 26:304ecc4066a8 | 14 | SDFileSystem sd(p11, p12, p13, p15, "sd"); //SDCard |
JostBaus | 26:304ecc4066a8 | 15 | DigitalIn sdDetect(p14); //CardDetect |
JostBaus | 26:304ecc4066a8 | 16 | |
JostBaus | 26:304ecc4066a8 | 17 | //in- and outputs |
JostBaus | 26:304ecc4066a8 | 18 | DigitalIn PauseBtn(p21); |
JostBaus | 26:304ecc4066a8 | 19 | DigitalIn StopBtn(p22); |
neilt6 | 10:ae649a596123 | 20 | |
JostBaus | 26:304ecc4066a8 | 21 | //joystick |
JostBaus | 26:304ecc4066a8 | 22 | BusIn joy(p19,p17,p18,p20); |
JostBaus | 26:304ecc4066a8 | 23 | DigitalIn joyBtn(p14); |
JostBaus | 26:304ecc4066a8 | 24 | |
JostBaus | 26:304ecc4066a8 | 25 | //DAC output |
JostBaus | 26:304ecc4066a8 | 26 | WavPlayer waver; //set up DAC to use wave player library |
JostBaus | 26:304ecc4066a8 | 27 | |
JostBaus | 26:304ecc4066a8 | 28 | |
JostBaus | 26:304ecc4066a8 | 29 | //timer |
JostBaus | 26:304ecc4066a8 | 30 | Timer dur; |
neilt6 | 10:ae649a596123 | 31 | |
JostBaus | 26:304ecc4066a8 | 32 | //func |
JostBaus | 26:304ecc4066a8 | 33 | void read_file_names(char *dir); //SDCard read file names |
JostBaus | 26:304ecc4066a8 | 34 | void menu(); |
JostBaus | 26:304ecc4066a8 | 35 | void PlaySong(int m); |
JostBaus | 26:304ecc4066a8 | 36 | void PauseSong(); |
JostBaus | 26:304ecc4066a8 | 37 | void StopSong(); |
JostBaus | 26:304ecc4066a8 | 38 | |
JostBaus | 26:304ecc4066a8 | 39 | //variables |
JostBaus | 26:304ecc4066a8 | 40 | int m = 1; //index of choosen songs |
JostBaus | 26:304ecc4066a8 | 41 | int i = 0; //index of files from folder |
JostBaus | 26:304ecc4066a8 | 42 | int Paused = 0; //Is the song paused? |
JostBaus | 26:304ecc4066a8 | 43 | int Stopped = 0; //Is the song stopped? |
JostBaus | 26:304ecc4066a8 | 44 | char* songs[5]; |
neilt6 | 0:8f2b6eed2a9d | 45 | |
neilt6 | 0:8f2b6eed2a9d | 46 | int main() |
neilt6 | 0:8f2b6eed2a9d | 47 | { |
JostBaus | 26:304ecc4066a8 | 48 | while(sdDetect == 0) { |
JostBaus | 26:304ecc4066a8 | 49 | lcd.locate(0,0); |
JostBaus | 26:304ecc4066a8 | 50 | lcd.printf("Insert SD Card!"); |
neilt6 | 17:e5b7469082c8 | 51 | wait(0.5); |
JostBaus | 26:304ecc4066a8 | 52 | } |
JostBaus | 26:304ecc4066a8 | 53 | menu(); |
JostBaus | 26:304ecc4066a8 | 54 | } |
neilt6 | 17:e5b7469082c8 | 55 | |
JostBaus | 26:304ecc4066a8 | 56 | void menu() |
JostBaus | 26:304ecc4066a8 | 57 | { |
JostBaus | 26:304ecc4066a8 | 58 | lcd.cls(); |
JostBaus | 26:304ecc4066a8 | 59 | sd.disk_initialize(); |
JostBaus | 26:304ecc4066a8 | 60 | read_file_names("/sd/Music"); |
JostBaus | 26:304ecc4066a8 | 61 | while(1) { |
JostBaus | 26:304ecc4066a8 | 62 | lcd.locate(0,0); |
JostBaus | 26:304ecc4066a8 | 63 | lcd.printf("Please select a song"); |
JostBaus | 26:304ecc4066a8 | 64 | if(joy == 1) { |
JostBaus | 26:304ecc4066a8 | 65 | m++; |
JostBaus | 26:304ecc4066a8 | 66 | if(m == 5) { |
JostBaus | 26:304ecc4066a8 | 67 | m = 0; |
JostBaus | 26:304ecc4066a8 | 68 | } |
JostBaus | 26:304ecc4066a8 | 69 | } else if(joy == 2) { |
JostBaus | 26:304ecc4066a8 | 70 | m--; |
JostBaus | 26:304ecc4066a8 | 71 | if(m == -1) { |
JostBaus | 26:304ecc4066a8 | 72 | m = 4; |
JostBaus | 26:304ecc4066a8 | 73 | } |
neilt6 | 19:ae979143c796 | 74 | } |
JostBaus | 26:304ecc4066a8 | 75 | lcd.locate(0,15); |
JostBaus | 26:304ecc4066a8 | 76 | lcd.printf("%s", (songs[m])); |
JostBaus | 26:304ecc4066a8 | 77 | if(joyBtn == 1) { |
JostBaus | 26:304ecc4066a8 | 78 | PlaySong(m); |
JostBaus | 26:304ecc4066a8 | 79 | } |
JostBaus | 26:304ecc4066a8 | 80 | wait(0.1); |
JostBaus | 26:304ecc4066a8 | 81 | } |
JostBaus | 26:304ecc4066a8 | 82 | } |
neilt6 | 17:e5b7469082c8 | 83 | |
JostBaus | 26:304ecc4066a8 | 84 | void read_file_names(char *dir) // function that reads in file names from sd cards |
JostBaus | 26:304ecc4066a8 | 85 | { |
JostBaus | 26:304ecc4066a8 | 86 | DIR *dp; |
JostBaus | 26:304ecc4066a8 | 87 | struct dirent *dirp; |
JostBaus | 26:304ecc4066a8 | 88 | dp = opendir(dir); |
JostBaus | 26:304ecc4066a8 | 89 | //read all directory and file names in current directory into filename vector |
JostBaus | 26:304ecc4066a8 | 90 | while((dirp = readdir(dp)) != NULL) { |
JostBaus | 26:304ecc4066a8 | 91 | songs[i] = dirp->d_name; |
JostBaus | 26:304ecc4066a8 | 92 | i++; |
neilt6 | 0:8f2b6eed2a9d | 93 | } |
neilt6 | 0:8f2b6eed2a9d | 94 | } |
JostBaus | 26:304ecc4066a8 | 95 | |
JostBaus | 26:304ecc4066a8 | 96 | void PlaySong(int m) |
JostBaus | 26:304ecc4066a8 | 97 | { |
JostBaus | 26:304ecc4066a8 | 98 | string songname = songs[m]; |
JostBaus | 26:304ecc4066a8 | 99 | string a = "/sd/Music/"; |
JostBaus | 26:304ecc4066a8 | 100 | string fname = a + songname; //retrieves the file name |
JostBaus | 26:304ecc4066a8 | 101 | FILE *wave_file; |
JostBaus | 26:304ecc4066a8 | 102 | dur.start(); |
JostBaus | 26:304ecc4066a8 | 103 | lcd.cls(); |
JostBaus | 26:304ecc4066a8 | 104 | lcd.locate(0,0); |
JostBaus | 26:304ecc4066a8 | 105 | lcd.printf("Now playing"); |
JostBaus | 26:304ecc4066a8 | 106 | wave_file = fopen(fname.c_str(),"r"); //opens the music file |
JostBaus | 26:304ecc4066a8 | 107 | waver.open(&wave_file); |
JostBaus | 26:304ecc4066a8 | 108 | waver.play(); //plays the music file |
JostBaus | 26:304ecc4066a8 | 109 | lcd.locate(0,10); |
JostBaus | 26:304ecc4066a8 | 110 | lcd.printf("%s", (songs[m])); |
JostBaus | 26:304ecc4066a8 | 111 | while(Stopped == 0) { |
JostBaus | 26:304ecc4066a8 | 112 | if(StopBtn == 1) { |
JostBaus | 26:304ecc4066a8 | 113 | StopSong(); |
JostBaus | 26:304ecc4066a8 | 114 | } |
JostBaus | 26:304ecc4066a8 | 115 | if(PauseBtn == 1) { |
JostBaus | 26:304ecc4066a8 | 116 | PauseSong(); |
JostBaus | 26:304ecc4066a8 | 117 | } |
JostBaus | 26:304ecc4066a8 | 118 | lcd.locate(0,20); |
JostBaus | 26:304ecc4066a8 | 119 | lcd.printf("%2.f s", dur.read()); |
JostBaus | 26:304ecc4066a8 | 120 | } |
JostBaus | 26:304ecc4066a8 | 121 | fclose(wave_file); |
JostBaus | 27:6e5cc34fb952 | 122 | Stopped = 0; |
JostBaus | 26:304ecc4066a8 | 123 | menu(); |
JostBaus | 26:304ecc4066a8 | 124 | } |
JostBaus | 26:304ecc4066a8 | 125 | |
JostBaus | 26:304ecc4066a8 | 126 | void PauseSong() |
JostBaus | 26:304ecc4066a8 | 127 | { |
JostBaus | 26:304ecc4066a8 | 128 | while(1) { |
JostBaus | 26:304ecc4066a8 | 129 | if(Paused == 0) { |
JostBaus | 26:304ecc4066a8 | 130 | string songname = songs[m]; |
JostBaus | 26:304ecc4066a8 | 131 | unsigned index = songname.find(".wav"); |
JostBaus | 26:304ecc4066a8 | 132 | songname = songname.substr(0,index); |
JostBaus | 26:304ecc4066a8 | 133 | lcd.printf(songname.c_str()); |
JostBaus | 26:304ecc4066a8 | 134 | dur.stop(); |
JostBaus | 26:304ecc4066a8 | 135 | Paused = 1; |
JostBaus | 26:304ecc4066a8 | 136 | } else if(StopBtn == 1) { |
JostBaus | 26:304ecc4066a8 | 137 | StopSong(); |
JostBaus | 26:304ecc4066a8 | 138 | } else { |
JostBaus | 26:304ecc4066a8 | 139 | Paused = 0; |
JostBaus | 26:304ecc4066a8 | 140 | dur.start(); |
JostBaus | 26:304ecc4066a8 | 141 | } |
JostBaus | 26:304ecc4066a8 | 142 | } |
JostBaus | 26:304ecc4066a8 | 143 | } |
JostBaus | 26:304ecc4066a8 | 144 | |
JostBaus | 26:304ecc4066a8 | 145 | void StopSong() |
JostBaus | 26:304ecc4066a8 | 146 | { |
JostBaus | 26:304ecc4066a8 | 147 | lcd.cls(); |
JostBaus | 26:304ecc4066a8 | 148 | dur.reset(); |
JostBaus | 26:304ecc4066a8 | 149 | Stopped = 1; |
JostBaus | 26:304ecc4066a8 | 150 | } |