MBED Bluetooth Controlled Party Bus
Dependencies: 4DGL-uLCD-SE Motor PinDetect SDFileSystem mbed wave_player
main.cpp@0:36e81c32e784, 2016-03-14 (annotated)
- Committer:
- jtgt21
- Date:
- Mon Mar 14 17:18:53 2016 +0000
- Revision:
- 0:36e81c32e784
commited
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jtgt21 | 0:36e81c32e784 | 1 | #include "mbed.h" |
jtgt21 | 0:36e81c32e784 | 2 | #include "PinDetect.h" |
jtgt21 | 0:36e81c32e784 | 3 | #include "SDFileSystem.h" |
jtgt21 | 0:36e81c32e784 | 4 | #include "uLCD_4DGL.h" |
jtgt21 | 0:36e81c32e784 | 5 | #include "wave_player.h" |
jtgt21 | 0:36e81c32e784 | 6 | #include "Motor.h" |
jtgt21 | 0:36e81c32e784 | 7 | #include <vector> |
jtgt21 | 0:36e81c32e784 | 8 | #include <string> |
jtgt21 | 0:36e81c32e784 | 9 | //SDfile |
jtgt21 | 0:36e81c32e784 | 10 | SDFileSystem sd(p5, p6, p7, p8, p9, "sd"); //SD card |
jtgt21 | 0:36e81c32e784 | 11 | //Pushbuttons |
jtgt21 | 0:36e81c32e784 | 12 | PinDetect pbStop(p17); |
jtgt21 | 0:36e81c32e784 | 13 | //LEDS and Bluetooth Serial Pins |
jtgt21 | 0:36e81c32e784 | 14 | BusOut myled(LED1,LED2,LED3,LED4); |
jtgt21 | 0:36e81c32e784 | 15 | Serial blue(p13,p14); //tx, rx |
jtgt21 | 0:36e81c32e784 | 16 | |
jtgt21 | 0:36e81c32e784 | 17 | //Motor |
jtgt21 | 0:36e81c32e784 | 18 | Motor m(p21, p22, p23); // pwm, fwd, rev |
jtgt21 | 0:36e81c32e784 | 19 | Motor m2(p26, p25, p24); |
jtgt21 | 0:36e81c32e784 | 20 | |
jtgt21 | 0:36e81c32e784 | 21 | |
jtgt21 | 0:36e81c32e784 | 22 | //uLCD |
jtgt21 | 0:36e81c32e784 | 23 | uLCD_4DGL uLCD(p28, p27, p29); |
jtgt21 | 0:36e81c32e784 | 24 | //Wave Player |
jtgt21 | 0:36e81c32e784 | 25 | AnalogOut DACout(p18); |
jtgt21 | 0:36e81c32e784 | 26 | wave_player waver(&DACout); |
jtgt21 | 0:36e81c32e784 | 27 | int pbPlays = 1; |
jtgt21 | 0:36e81c32e784 | 28 | //Create Music State |
jtgt21 | 0:36e81c32e784 | 29 | enum musicStateType {START, WAIT, WAIT2, LIST,REVERSE, NEXT, PLAY}; |
jtgt21 | 0:36e81c32e784 | 30 | FILE *wave_file; |
jtgt21 | 0:36e81c32e784 | 31 | musicStateType musicState = START; |
jtgt21 | 0:36e81c32e784 | 32 | //Callback Functions |
jtgt21 | 0:36e81c32e784 | 33 | void pbUp_hit_callback (void) |
jtgt21 | 0:36e81c32e784 | 34 | { |
jtgt21 | 0:36e81c32e784 | 35 | switch (musicState) |
jtgt21 | 0:36e81c32e784 | 36 | { |
jtgt21 | 0:36e81c32e784 | 37 | case WAIT: |
jtgt21 | 0:36e81c32e784 | 38 | musicState = LIST; |
jtgt21 | 0:36e81c32e784 | 39 | break; |
jtgt21 | 0:36e81c32e784 | 40 | case WAIT2: |
jtgt21 | 0:36e81c32e784 | 41 | musicState = REVERSE; |
jtgt21 | 0:36e81c32e784 | 42 | break; |
jtgt21 | 0:36e81c32e784 | 43 | } |
jtgt21 | 0:36e81c32e784 | 44 | } |
jtgt21 | 0:36e81c32e784 | 45 | |
jtgt21 | 0:36e81c32e784 | 46 | void pbDown_hit_callback (void) |
jtgt21 | 0:36e81c32e784 | 47 | { |
jtgt21 | 0:36e81c32e784 | 48 | switch (musicState) |
jtgt21 | 0:36e81c32e784 | 49 | { |
jtgt21 | 0:36e81c32e784 | 50 | case WAIT: |
jtgt21 | 0:36e81c32e784 | 51 | musicState = LIST; |
jtgt21 | 0:36e81c32e784 | 52 | break; |
jtgt21 | 0:36e81c32e784 | 53 | case WAIT2: |
jtgt21 | 0:36e81c32e784 | 54 | musicState = NEXT; |
jtgt21 | 0:36e81c32e784 | 55 | break; |
jtgt21 | 0:36e81c32e784 | 56 | } |
jtgt21 | 0:36e81c32e784 | 57 | } |
jtgt21 | 0:36e81c32e784 | 58 | |
jtgt21 | 0:36e81c32e784 | 59 | void pbPlay_hit_callback (void) |
jtgt21 | 0:36e81c32e784 | 60 | { |
jtgt21 | 0:36e81c32e784 | 61 | switch (musicState) |
jtgt21 | 0:36e81c32e784 | 62 | { |
jtgt21 | 0:36e81c32e784 | 63 | case WAIT: |
jtgt21 | 0:36e81c32e784 | 64 | musicState = LIST; |
jtgt21 | 0:36e81c32e784 | 65 | break; |
jtgt21 | 0:36e81c32e784 | 66 | case WAIT2: |
jtgt21 | 0:36e81c32e784 | 67 | musicState = PLAY; |
jtgt21 | 0:36e81c32e784 | 68 | break; |
jtgt21 | 0:36e81c32e784 | 69 | case PLAY: |
jtgt21 | 0:36e81c32e784 | 70 | pbPlays = 0; |
jtgt21 | 0:36e81c32e784 | 71 | break; |
jtgt21 | 0:36e81c32e784 | 72 | } |
jtgt21 | 0:36e81c32e784 | 73 | } |
jtgt21 | 0:36e81c32e784 | 74 | |
jtgt21 | 0:36e81c32e784 | 75 | vector<string> filenames; //filenames are stored in a vector string |
jtgt21 | 0:36e81c32e784 | 76 | void read_file_names(char *dir) |
jtgt21 | 0:36e81c32e784 | 77 | { |
jtgt21 | 0:36e81c32e784 | 78 | DIR *dp; |
jtgt21 | 0:36e81c32e784 | 79 | struct dirent *dirp; |
jtgt21 | 0:36e81c32e784 | 80 | dp = opendir(dir); |
jtgt21 | 0:36e81c32e784 | 81 | //read all directory and file names in current directory into filename vector |
jtgt21 | 0:36e81c32e784 | 82 | while((dirp = readdir(dp)) != NULL) { |
jtgt21 | 0:36e81c32e784 | 83 | filenames.push_back(string(dirp->d_name)); |
jtgt21 | 0:36e81c32e784 | 84 | } |
jtgt21 | 0:36e81c32e784 | 85 | } |
jtgt21 | 0:36e81c32e784 | 86 | |
jtgt21 | 0:36e81c32e784 | 87 | int main() |
jtgt21 | 0:36e81c32e784 | 88 | { |
jtgt21 | 0:36e81c32e784 | 89 | //Setup for song stop pushbutton |
jtgt21 | 0:36e81c32e784 | 90 | pbStop.mode(PullUp); |
jtgt21 | 0:36e81c32e784 | 91 | wait(0.1); |
jtgt21 | 0:36e81c32e784 | 92 | pbStop.attach_deasserted(&pbPlay_hit_callback); |
jtgt21 | 0:36e81c32e784 | 93 | pbStop.setSampleFrequency(); |
jtgt21 | 0:36e81c32e784 | 94 | //intialize uLCD |
jtgt21 | 0:36e81c32e784 | 95 | uLCD.display_control(PORTRAIT); |
jtgt21 | 0:36e81c32e784 | 96 | uLCD.cls(); |
jtgt21 | 0:36e81c32e784 | 97 | uLCD.baudrate(BAUD_3000000); |
jtgt21 | 0:36e81c32e784 | 98 | uLCD.background_color(BLACK); |
jtgt21 | 0:36e81c32e784 | 99 | //initialize variables |
jtgt21 | 0:36e81c32e784 | 100 | char bnum=0; |
jtgt21 | 0:36e81c32e784 | 101 | char bhit=0; |
jtgt21 | 0:36e81c32e784 | 102 | while(sd.SD_inserted() == false) { |
jtgt21 | 0:36e81c32e784 | 103 | uLCD.cls(); |
jtgt21 | 0:36e81c32e784 | 104 | uLCD.printf("Insert SD Card!\n"); |
jtgt21 | 0:36e81c32e784 | 105 | wait(0.5); |
jtgt21 | 0:36e81c32e784 | 106 | } |
jtgt21 | 0:36e81c32e784 | 107 | int i = 0; |
jtgt21 | 0:36e81c32e784 | 108 | vector<string>::iterator it=filenames.begin(); |
jtgt21 | 0:36e81c32e784 | 109 | vector<string>::iterator ittemp=filenames.begin(); |
jtgt21 | 0:36e81c32e784 | 110 | //While loop for music state. state is initialized to Start |
jtgt21 | 0:36e81c32e784 | 111 | //and waits until a button is pressed to go to the music LIST state. |
jtgt21 | 0:36e81c32e784 | 112 | while (1) |
jtgt21 | 0:36e81c32e784 | 113 | { |
jtgt21 | 0:36e81c32e784 | 114 | switch (musicState) |
jtgt21 | 0:36e81c32e784 | 115 | { |
jtgt21 | 0:36e81c32e784 | 116 | case START: |
jtgt21 | 0:36e81c32e784 | 117 | { |
jtgt21 | 0:36e81c32e784 | 118 | read_file_names("/sd/myMusic"); |
jtgt21 | 0:36e81c32e784 | 119 | it = filenames.begin(); |
jtgt21 | 0:36e81c32e784 | 120 | ittemp = filenames.begin(); |
jtgt21 | 0:36e81c32e784 | 121 | uLCD.cls(); |
jtgt21 | 0:36e81c32e784 | 122 | uLCD.locate(0,0); |
jtgt21 | 0:36e81c32e784 | 123 | uLCD.printf("MBED Party Bus!!!\n\n"); |
jtgt21 | 0:36e81c32e784 | 124 | uLCD.printf("Press Key to Start"); |
jtgt21 | 0:36e81c32e784 | 125 | musicState = WAIT; |
jtgt21 | 0:36e81c32e784 | 126 | break; |
jtgt21 | 0:36e81c32e784 | 127 | } |
jtgt21 | 0:36e81c32e784 | 128 | case LIST: |
jtgt21 | 0:36e81c32e784 | 129 | { |
jtgt21 | 0:36e81c32e784 | 130 | pbPlays = 1; |
jtgt21 | 0:36e81c32e784 | 131 | // read file names into vector of strings |
jtgt21 | 0:36e81c32e784 | 132 | uLCD.cls(); |
jtgt21 | 0:36e81c32e784 | 133 | // print filename strings from vector using an iterator |
jtgt21 | 0:36e81c32e784 | 134 | for(it = ittemp;it < filenames.end(); it++) |
jtgt21 | 0:36e81c32e784 | 135 | { |
jtgt21 | 0:36e81c32e784 | 136 | uLCD.printf("%s\n\r", (*it).substr(0, (*it).length()-4).c_str()); |
jtgt21 | 0:36e81c32e784 | 137 | } |
jtgt21 | 0:36e81c32e784 | 138 | } |
jtgt21 | 0:36e81c32e784 | 139 | musicState = WAIT2; |
jtgt21 | 0:36e81c32e784 | 140 | break; |
jtgt21 | 0:36e81c32e784 | 141 | //Case for next song in list |
jtgt21 | 0:36e81c32e784 | 142 | case NEXT: |
jtgt21 | 0:36e81c32e784 | 143 | { |
jtgt21 | 0:36e81c32e784 | 144 | if(ittemp == filenames.end()) |
jtgt21 | 0:36e81c32e784 | 145 | {ittemp = filenames.begin(); |
jtgt21 | 0:36e81c32e784 | 146 | musicState = LIST;} |
jtgt21 | 0:36e81c32e784 | 147 | else |
jtgt21 | 0:36e81c32e784 | 148 | {ittemp = ittemp++; |
jtgt21 | 0:36e81c32e784 | 149 | musicState = LIST;} |
jtgt21 | 0:36e81c32e784 | 150 | break; |
jtgt21 | 0:36e81c32e784 | 151 | } |
jtgt21 | 0:36e81c32e784 | 152 | //Case for previous song in list |
jtgt21 | 0:36e81c32e784 | 153 | case REVERSE: |
jtgt21 | 0:36e81c32e784 | 154 | { |
jtgt21 | 0:36e81c32e784 | 155 | if(ittemp == filenames.begin()) |
jtgt21 | 0:36e81c32e784 | 156 | {ittemp = filenames.begin(); |
jtgt21 | 0:36e81c32e784 | 157 | musicState = LIST; |
jtgt21 | 0:36e81c32e784 | 158 | } |
jtgt21 | 0:36e81c32e784 | 159 | else |
jtgt21 | 0:36e81c32e784 | 160 | {ittemp = ittemp--; |
jtgt21 | 0:36e81c32e784 | 161 | musicState = LIST;} |
jtgt21 | 0:36e81c32e784 | 162 | break; |
jtgt21 | 0:36e81c32e784 | 163 | } |
jtgt21 | 0:36e81c32e784 | 164 | //Case to play selected song |
jtgt21 | 0:36e81c32e784 | 165 | case PLAY: |
jtgt21 | 0:36e81c32e784 | 166 | { |
jtgt21 | 0:36e81c32e784 | 167 | uLCD.cls(); |
jtgt21 | 0:36e81c32e784 | 168 | uLCD.printf("%s\n\r", (*ittemp).substr(0, (*ittemp).length()-4).c_str()); |
jtgt21 | 0:36e81c32e784 | 169 | uLCD.printf("Now Playing"); |
jtgt21 | 0:36e81c32e784 | 170 | string filename = "/sd/myMusic/"; |
jtgt21 | 0:36e81c32e784 | 171 | filename = filename + (*ittemp); |
jtgt21 | 0:36e81c32e784 | 172 | //If statements below deteremine which song is playing and what album artwork to show on uLCD screen |
jtgt21 | 0:36e81c32e784 | 173 | if(filename == "/sd/myMusic/badboys2.wav"){ |
jtgt21 | 0:36e81c32e784 | 174 | uLCD.media_init(); |
jtgt21 | 0:36e81c32e784 | 175 | uLCD.set_sector_address(0x0000, 0x0000); |
jtgt21 | 0:36e81c32e784 | 176 | uLCD.display_image(0,0); |
jtgt21 | 0:36e81c32e784 | 177 | } |
jtgt21 | 0:36e81c32e784 | 178 | if(filename == "/sd/myMusic/Childish_3005.wav"){ |
jtgt21 | 0:36e81c32e784 | 179 | uLCD.media_init(); |
jtgt21 | 0:36e81c32e784 | 180 | uLCD.set_sector_address(0x0000, 0x0041); |
jtgt21 | 0:36e81c32e784 | 181 | uLCD.display_image(0,0); |
jtgt21 | 0:36e81c32e784 | 182 | } |
jtgt21 | 0:36e81c32e784 | 183 | if(filename == "/sd/myMusic/Drake.wav"){ |
jtgt21 | 0:36e81c32e784 | 184 | uLCD.media_init(); |
jtgt21 | 0:36e81c32e784 | 185 | uLCD.set_sector_address(0x0000, 0x0082); |
jtgt21 | 0:36e81c32e784 | 186 | uLCD.display_image(0,0); |
jtgt21 | 0:36e81c32e784 | 187 | } |
jtgt21 | 0:36e81c32e784 | 188 | if(filename == "/sd/myMusic/Chase.wav"){ |
jtgt21 | 0:36e81c32e784 | 189 | uLCD.media_init(); |
jtgt21 | 0:36e81c32e784 | 190 | uLCD.set_sector_address(0x0000, 0x00C3); |
jtgt21 | 0:36e81c32e784 | 191 | uLCD.display_image(0,0); |
jtgt21 | 0:36e81c32e784 | 192 | } |
jtgt21 | 0:36e81c32e784 | 193 | if(filename == "/sd/myMusic/Kanye.wav"){ |
jtgt21 | 0:36e81c32e784 | 194 | uLCD.media_init(); |
jtgt21 | 0:36e81c32e784 | 195 | uLCD.set_sector_address(0x0000, 0x0104); |
jtgt21 | 0:36e81c32e784 | 196 | uLCD.display_image(0,0); |
jtgt21 | 0:36e81c32e784 | 197 | } |
jtgt21 | 0:36e81c32e784 | 198 | //Start up motor for robot. Left motor speed is faster because of weight on shadowbot(Can be changed). |
jtgt21 | 0:36e81c32e784 | 199 | m.speed(-0.4); |
jtgt21 | 0:36e81c32e784 | 200 | m2.speed(-0.55); |
jtgt21 | 0:36e81c32e784 | 201 | wave_file=fopen(filename.c_str(), "r"); |
jtgt21 | 0:36e81c32e784 | 202 | //Play song |
jtgt21 | 0:36e81c32e784 | 203 | waver.play(wave_file, pbPlays); |
jtgt21 | 0:36e81c32e784 | 204 | fclose(wave_file); |
jtgt21 | 0:36e81c32e784 | 205 | //Turn off robot motors |
jtgt21 | 0:36e81c32e784 | 206 | m.speed(0); |
jtgt21 | 0:36e81c32e784 | 207 | m2.speed(0); |
jtgt21 | 0:36e81c32e784 | 208 | //Return to music LIST |
jtgt21 | 0:36e81c32e784 | 209 | musicState = LIST; |
jtgt21 | 0:36e81c32e784 | 210 | break; |
jtgt21 | 0:36e81c32e784 | 211 | } |
jtgt21 | 0:36e81c32e784 | 212 | case WAIT: |
jtgt21 | 0:36e81c32e784 | 213 | i++; |
jtgt21 | 0:36e81c32e784 | 214 | //Commands for intial wait. The bluetooth commands for up, down, and right all change the music state to the LIST at startup |
jtgt21 | 0:36e81c32e784 | 215 | if (blue.getc()=='!') { |
jtgt21 | 0:36e81c32e784 | 216 | if (blue.getc()=='B') { //button data packet |
jtgt21 | 0:36e81c32e784 | 217 | bnum = blue.getc(); //button number |
jtgt21 | 0:36e81c32e784 | 218 | bhit = blue.getc(); //1=hit, 0=release |
jtgt21 | 0:36e81c32e784 | 219 | if (blue.getc()==char(~('!' + 'B' + bnum + bhit))) { //checksum OK? |
jtgt21 | 0:36e81c32e784 | 220 | myled = bnum - '0'; //current button number will appear on LEDs |
jtgt21 | 0:36e81c32e784 | 221 | switch (bnum) { |
jtgt21 | 0:36e81c32e784 | 222 | case '5': //button 5 up arrow |
jtgt21 | 0:36e81c32e784 | 223 | if (bhit=='1') { |
jtgt21 | 0:36e81c32e784 | 224 | //add hit code here |
jtgt21 | 0:36e81c32e784 | 225 | } else { |
jtgt21 | 0:36e81c32e784 | 226 | pbUp_hit_callback(); |
jtgt21 | 0:36e81c32e784 | 227 | } |
jtgt21 | 0:36e81c32e784 | 228 | break; |
jtgt21 | 0:36e81c32e784 | 229 | case '6': //button 6 down arrow |
jtgt21 | 0:36e81c32e784 | 230 | if (bhit=='1') { |
jtgt21 | 0:36e81c32e784 | 231 | //add hit code here |
jtgt21 | 0:36e81c32e784 | 232 | } else { |
jtgt21 | 0:36e81c32e784 | 233 | pbDown_hit_callback();//add release code here |
jtgt21 | 0:36e81c32e784 | 234 | } |
jtgt21 | 0:36e81c32e784 | 235 | break; |
jtgt21 | 0:36e81c32e784 | 236 | case '8': //button 8 right arrow |
jtgt21 | 0:36e81c32e784 | 237 | if (bhit=='1') { |
jtgt21 | 0:36e81c32e784 | 238 | //add hit code here |
jtgt21 | 0:36e81c32e784 | 239 | } else { |
jtgt21 | 0:36e81c32e784 | 240 | pbPlay_hit_callback();//add release code here |
jtgt21 | 0:36e81c32e784 | 241 | } |
jtgt21 | 0:36e81c32e784 | 242 | break; |
jtgt21 | 0:36e81c32e784 | 243 | } |
jtgt21 | 0:36e81c32e784 | 244 | } |
jtgt21 | 0:36e81c32e784 | 245 | }} |
jtgt21 | 0:36e81c32e784 | 246 | break; |
jtgt21 | 0:36e81c32e784 | 247 | case WAIT2: |
jtgt21 | 0:36e81c32e784 | 248 | if (blue.getc()=='!') { |
jtgt21 | 0:36e81c32e784 | 249 | //Second wait function moves up and down in list with bluetooth commands. Right ble button plays the song here |
jtgt21 | 0:36e81c32e784 | 250 | if (blue.getc()=='B') { //button data packet |
jtgt21 | 0:36e81c32e784 | 251 | bnum = blue.getc(); //button number |
jtgt21 | 0:36e81c32e784 | 252 | bhit = blue.getc(); //1=hit, 0=release |
jtgt21 | 0:36e81c32e784 | 253 | if (blue.getc()==char(~('!' + 'B' + bnum + bhit))) { //checksum OK? |
jtgt21 | 0:36e81c32e784 | 254 | myled = bnum - '0'; //current button number will appear on LEDs |
jtgt21 | 0:36e81c32e784 | 255 | switch (bnum) { |
jtgt21 | 0:36e81c32e784 | 256 | case '5': //button 5 up arrow |
jtgt21 | 0:36e81c32e784 | 257 | if (bhit=='1') { |
jtgt21 | 0:36e81c32e784 | 258 | //add hit code here |
jtgt21 | 0:36e81c32e784 | 259 | } else { |
jtgt21 | 0:36e81c32e784 | 260 | pbUp_hit_callback(); |
jtgt21 | 0:36e81c32e784 | 261 | } |
jtgt21 | 0:36e81c32e784 | 262 | break; |
jtgt21 | 0:36e81c32e784 | 263 | case '6': //button 6 down arrow |
jtgt21 | 0:36e81c32e784 | 264 | if (bhit=='1') { |
jtgt21 | 0:36e81c32e784 | 265 | //add hit code here |
jtgt21 | 0:36e81c32e784 | 266 | } else { |
jtgt21 | 0:36e81c32e784 | 267 | pbDown_hit_callback();//add release code here |
jtgt21 | 0:36e81c32e784 | 268 | } |
jtgt21 | 0:36e81c32e784 | 269 | break; |
jtgt21 | 0:36e81c32e784 | 270 | case '8': //button 8 right arrow |
jtgt21 | 0:36e81c32e784 | 271 | if (bhit=='1') { |
jtgt21 | 0:36e81c32e784 | 272 | //add hit code here |
jtgt21 | 0:36e81c32e784 | 273 | } else { |
jtgt21 | 0:36e81c32e784 | 274 | pbPlay_hit_callback();//add release code here |
jtgt21 | 0:36e81c32e784 | 275 | } |
jtgt21 | 0:36e81c32e784 | 276 | break; |
jtgt21 | 0:36e81c32e784 | 277 | } |
jtgt21 | 0:36e81c32e784 | 278 | } |
jtgt21 | 0:36e81c32e784 | 279 | }} |
jtgt21 | 0:36e81c32e784 | 280 | i++; |
jtgt21 | 0:36e81c32e784 | 281 | break; |
jtgt21 | 0:36e81c32e784 | 282 | } |
jtgt21 | 0:36e81c32e784 | 283 | } |
jtgt21 | 0:36e81c32e784 | 284 | } |
jtgt21 | 0:36e81c32e784 | 285 |