jim hamblen
EasyVR Speech Recogniton and Speech Synthesis Demo
main.cpp@1:5cf36d70a7d2, 2011-05-29 (annotated)
- Committer:
- 4180_1
- Date:
- Sun May 29 00:44:38 2011 +0000
- Revision:
- 1:5cf36d70a7d2
- Parent:
- 0:2fda8809cd0e
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| 4180_1 | 0:2fda8809cd0e | 1 | #include "mbed.h" |
| 4180_1 | 0:2fda8809cd0e | 2 | // EasyVR Speech Recognition and Speech Synthesis Demo |
| 4180_1 | 0:2fda8809cd0e | 3 | DigitalOut led1(LED1); |
| 4180_1 | 0:2fda8809cd0e | 4 | DigitalOut led2(LED2); |
| 4180_1 | 0:2fda8809cd0e | 5 | DigitalOut led3(LED3); |
| 4180_1 | 0:2fda8809cd0e | 6 | DigitalOut led4(LED4); |
| 4180_1 | 0:2fda8809cd0e | 7 | Serial device(p13, p14); // tx, rx |
| 4180_1 | 0:2fda8809cd0e | 8 | Serial pc(USBTX,USBRX); //USB virtual com port can be used to watch VR command responses |
| 4180_1 | 0:2fda8809cd0e | 9 | |
| 4180_1 | 0:2fda8809cd0e | 10 | // Function to play a sound file on speaker |
| 4180_1 | 0:2fda8809cd0e | 11 | void speak(int num) { |
| 4180_1 | 0:2fda8809cd0e | 12 | device.putc('w'); |
| 4180_1 | 0:2fda8809cd0e | 13 | // small delay is needed between characters |
| 4180_1 | 0:2fda8809cd0e | 14 | wait(.001); |
| 4180_1 | 1:5cf36d70a7d2 | 15 | device.putc('A' + num/32); |
| 4180_1 | 0:2fda8809cd0e | 16 | wait(.001); |
| 4180_1 | 1:5cf36d70a7d2 | 17 | device.putc('A' + num%32); |
| 4180_1 | 0:2fda8809cd0e | 18 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 19 | device.putc('P'); |
| 4180_1 | 0:2fda8809cd0e | 20 | while (device.getc()!='o') {} |
| 4180_1 | 0:2fda8809cd0e | 21 | wait(.25); |
| 4180_1 | 0:2fda8809cd0e | 22 | } |
| 4180_1 | 0:2fda8809cd0e | 23 | |
| 4180_1 | 0:2fda8809cd0e | 24 | int main() { |
| 4180_1 | 0:2fda8809cd0e | 25 | char rchar=0; |
| 4180_1 | 0:2fda8809cd0e | 26 | char echar=0; |
| 4180_1 | 0:2fda8809cd0e | 27 | led1=0; |
| 4180_1 | 0:2fda8809cd0e | 28 | led2=0; |
| 4180_1 | 0:2fda8809cd0e | 29 | led3=0; |
| 4180_1 | 0:2fda8809cd0e | 30 | led4=0; |
| 4180_1 | 0:2fda8809cd0e | 31 | // wake up EasyVR |
| 4180_1 | 0:2fda8809cd0e | 32 | device.putc('b'); |
| 4180_1 | 0:2fda8809cd0e | 33 | while (device.getc()!='o') { |
| 4180_1 | 0:2fda8809cd0e | 34 | device.putc('b'); |
| 4180_1 | 0:2fda8809cd0e | 35 | wait(0.1); |
| 4180_1 | 0:2fda8809cd0e | 36 | } |
| 4180_1 | 0:2fda8809cd0e | 37 | // play reset message |
| 4180_1 | 0:2fda8809cd0e | 38 | speak(3); |
| 4180_1 | 0:2fda8809cd0e | 39 | // Use SD recogniton and wait for password (mbed) |
| 4180_1 | 0:2fda8809cd0e | 40 | while (rchar!='A') { |
| 4180_1 | 0:2fda8809cd0e | 41 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 42 | device.putc('d'); |
| 4180_1 | 0:2fda8809cd0e | 43 | // a small delay is needed when sending EasyVR several characters |
| 4180_1 | 0:2fda8809cd0e | 44 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 45 | device.putc('B'); |
| 4180_1 | 0:2fda8809cd0e | 46 | while (device.readable()!=0) {} |
| 4180_1 | 0:2fda8809cd0e | 47 | rchar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 48 | pc.putc(rchar); |
| 4180_1 | 0:2fda8809cd0e | 49 | // word recognized |
| 4180_1 | 0:2fda8809cd0e | 50 | if (rchar=='r') { |
| 4180_1 | 0:2fda8809cd0e | 51 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 52 | device.putc(' '); |
| 4180_1 | 0:2fda8809cd0e | 53 | rchar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 54 | pc.putc(rchar); |
| 4180_1 | 0:2fda8809cd0e | 55 | // error |
| 4180_1 | 0:2fda8809cd0e | 56 | } else if (rchar=='e') { |
| 4180_1 | 0:2fda8809cd0e | 57 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 58 | device.putc(' '); |
| 4180_1 | 0:2fda8809cd0e | 59 | rchar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 60 | device.putc(' '); |
| 4180_1 | 0:2fda8809cd0e | 61 | rchar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 62 | } |
| 4180_1 | 0:2fda8809cd0e | 63 | } |
| 4180_1 | 0:2fda8809cd0e | 64 | // voice ack for password |
| 4180_1 | 0:2fda8809cd0e | 65 | speak(5); |
| 4180_1 | 0:2fda8809cd0e | 66 | wait(1); |
| 4180_1 | 0:2fda8809cd0e | 67 | // loop forever waiting for number commands |
| 4180_1 | 0:2fda8809cd0e | 68 | while (1) { |
| 4180_1 | 0:2fda8809cd0e | 69 | // voice prompt for input - don't prompt after a timeout or error |
| 4180_1 | 0:2fda8809cd0e | 70 | if ((rchar!='t')&&(rchar!='e')) speak(1); |
| 4180_1 | 0:2fda8809cd0e | 71 | wait(.002); |
| 4180_1 | 0:2fda8809cd0e | 72 | // SI recog of numbers 0..10 |
| 4180_1 | 0:2fda8809cd0e | 73 | device.putc('i'); |
| 4180_1 | 0:2fda8809cd0e | 74 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 75 | device.putc('D'); |
| 4180_1 | 0:2fda8809cd0e | 76 | while (device.readable()!=0) {} |
| 4180_1 | 0:2fda8809cd0e | 77 | rchar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 78 | pc.putc(rchar); |
| 4180_1 | 0:2fda8809cd0e | 79 | // number was recognized |
| 4180_1 | 0:2fda8809cd0e | 80 | if (rchar=='s') { |
| 4180_1 | 0:2fda8809cd0e | 81 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 82 | device.putc(' '); |
| 4180_1 | 0:2fda8809cd0e | 83 | rchar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 84 | pc.putc(rchar); |
| 4180_1 | 0:2fda8809cd0e | 85 | if (rchar=='B') led1 = !led1; |
| 4180_1 | 0:2fda8809cd0e | 86 | if (rchar=='C') led2 = !led2; |
| 4180_1 | 0:2fda8809cd0e | 87 | if (rchar=='D') led3 = !led3; |
| 4180_1 | 0:2fda8809cd0e | 88 | if (rchar=='E') led4 = !led4; |
| 4180_1 | 0:2fda8809cd0e | 89 | // voice ack |
| 4180_1 | 0:2fda8809cd0e | 90 | speak(2); |
| 4180_1 | 0:2fda8809cd0e | 91 | // recognition error |
| 4180_1 | 0:2fda8809cd0e | 92 | } else if (rchar=='e') { |
| 4180_1 | 0:2fda8809cd0e | 93 | wait(.001); |
| 4180_1 | 0:2fda8809cd0e | 94 | device.putc(' '); |
| 4180_1 | 0:2fda8809cd0e | 95 | echar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 96 | device.putc(' '); |
| 4180_1 | 0:2fda8809cd0e | 97 | echar=device.getc(); |
| 4180_1 | 0:2fda8809cd0e | 98 | // prompt user to restate command |
| 4180_1 | 0:2fda8809cd0e | 99 | speak(4); |
| 4180_1 | 0:2fda8809cd0e | 100 | } |
| 4180_1 | 0:2fda8809cd0e | 101 | } |
| 4180_1 | 0:2fda8809cd0e | 102 | } |