Revision 0:13b922a701d4, committed 2015-10-22

Comitter:

Xiaofei

Date:

Thu Oct 22 18:58:41 2015 +0000

Commit message:

EasyVR3 LAB

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EasyVR.cpp	Thu Oct 22 18:58:41 2015 +0000
@@ -0,0 +1,59 @@
+#pragma once
+#include "EasyVR.h"
+
+EasyVR::EasyVR(PinName tx,PinName rx):_easyVR(tx,rx)
+{
+}
+
+EasyVR::~EasyVR()
+{
+}
+
+void EasyVR::sendCmd(uint8_t c)
+{
+    _easyVR.putc(c);
+    wait(0.001);
+}
+
+void EasyVR::sendArg(int8_t c)
+{
+    _easyVR.putc(c + ARG_ZERO);
+    wait(0.001);
+}
+
+int8_t EasyVR::recv(int8_t time)
+{
+    while(!_easyVR.readable() && time != 0)
+    {
+        if(time>0)
+        time--;
+        wait(0.001);
+    }
+    return _easyVR.getc();
+}
+
+void EasyVR::decrypt(char* arg)
+{
+    *arg = *arg - ARG_ZERO;
+}
+
+bool EasyVR::awake(int timeOut)
+{
+    bool isAwake=0;
+
+    while (timeOut>0)
+    {
+        _easyVR.putc(CMD_BREAK);
+        if(_easyVR.getc()==CMD_TIMEOUT)
+        {
+            isAwake = 1;
+        }
+
+        if(timeOut>0)
+        {
+            timeOut--;
+        }
+        wait(0.001);
+    }
+    return isAwake;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EasyVR.h	Thu Oct 22 18:58:41 2015 +0000
@@ -0,0 +1,22 @@
+#pragma once
+#include "mbed.h"
+#include "protocol.h"
+class EasyVR
+{
+public:
+    EasyVR(PinName tx,PinName rx);
+    ~EasyVR();
+    
+    void sendCmd(uint8_t);
+    void sendArg(int8_t);
+
+    int8_t recv(int8_t timeOut = 1);
+    void decrypt(char*);
+    
+    bool awake(int timeOut = 100);
+    
+    
+private:
+    Serial _easyVR;
+    
+};
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 22 18:58:41 2015 +0000
@@ -0,0 +1,63 @@
+#include "mbed.h"
+#include "EasyVR.h"
+ 
+DigitalOut led1(LED1);
+DigitalOut led4(LED4);
+
+EasyVR VR(p13, p14);  // tx, rx
+Serial pc(USBTX,USBRX);
+
+PwmOut red(p21);
+PwmOut blue(p22);
+PwmOut green(p23);
+
+void ledDance();
+ 
+int main() {
+    char buffer=0;
+
+    if(VR.awake())                //wake up device - needs more work and a timeout
+    {
+        led1 = 1;
+    }
+    
+    while (1)
+    {
+        VR.sendCmd(CMD_RECOG_SI); // Start Recognition
+        VR.sendArg(1);            // Use Wordset 3 - the numbers 0..10
+        
+        buffer = VR.recv();       // Receive a byte from easyVR 
+        
+        if(buffer == CMD_SLEEP)   // If easyVR is sleeping
+        {
+            VR.sendCmd(' ');      // Send blanck to activate it
+        }
+        else
+        {
+            VR.decrypt(&buffer);  // If not sleeping, decrtpt received message
+            pc.printf("%d\n",buffer);
+        }
+        
+        // if command is taken by easyVR, the LED4 will toggle
+        if (buffer==7) {red = 0; green = 1; blue = 0;led4=!led4;}   // hello
+        if (buffer==6) {red = 0; green = 0; blue = 0;led4=!led4;}   // stop or turn off
+        if (buffer==3) {led4=!led4;ledDance();}                     // run
+        if (buffer==7) led4=!led4;
+        wait(0.1);
+    }
+}
+
+void ledDance()
+{
+    for(int i=0;i<5000;i++)
+    {
+        red = !green;
+        green = !blue;
+        blue = !red;
+        wait(0.001);
+    }
+    red = 1;
+    green = 0;
+    blue = 0;
+    
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Oct 22 18:58:41 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/protocol.h	Thu Oct 22 18:58:41 2015 +0000
@@ -0,0 +1,59 @@
+#ifndef PROTOCOL_H
+#define PROTOCOL_H
+
+#define CMD_BREAK       'b' // abort recog or ping
+#define CMD_SLEEP       's' // go to power down
+#define CMD_KNOB        'k' // set si knob <1>
+#define CMD_MIC_DIST    'k' // set microphone (<1>=-1) distance <2>
+#define CMD_LEVEL       'v' // set sd level <1>
+#define CMD_LANGUAGE    'l' // set si language <1>
+#define CMD_TIMEOUT     'o' // set timeout <1>
+#define CMD_RECOG_SI    'i' // do si recog from ws <1>
+#define CMD_TRAIN_SD    't' // train sd command at group <1> pos <2>
+#define CMD_GROUP_SD    'g' // insert new command at group <1> pos <2>
+#define CMD_UNGROUP_SD  'u' // remove command at group <1> pos <2>
+#define CMD_RECOG_SD    'd' // do sd recog at group <1> (0 = trigger mixed si/sd)
+#define CMD_ERASE_SD    'e' // reset command at group <1> pos <2>
+#define CMD_NAME_SD     'n' // label command at group <1> pos <2> with length <3> name <4-n>
+#define CMD_COUNT_SD    'c' // get command count for group <1>
+#define CMD_DUMP_SD     'p' // read command data at group <1> pos <2>
+#define CMD_MASK_SD     'm' // get active group mask
+#define CMD_RESETALL    'r' // reset all commands and groups
+#define CMD_ID          'x' // get version id
+#define CMD_DELAY       'y' // set transmit delay <1> (log scale)
+#define CMD_BAUDRATE    'a' // set baudrate <1> (bit time, 1=>115200)
+#define CMD_QUERY_IO    'q' // configure, read or write I/O pin <1> of type <2>
+#define CMD_PLAY_SX     'w' // wave table entry <1-2> (10-bit) playback at volume <3>
+#define CMD_PLAY_DTMF   'w' // play (<1>=-1) dial tone <2> for duration <3>
+#define CMD_DUMP_SX     'h' // dump wave table entries
+#define CMD_DUMP_SI     'z' // dump si settings for ws <1> (or total ws count if -1)
+#define CMD_SEND_SN     'j' // send sonicnet token with bits <1> index <2-3> at time <4-5>
+#define CMD_RECV_SN     'f' // receive sonicnet token with bits <1> rejection <2> timeout <3-4>
+
+#define STS_MASK        'k' // mask of active groups <1-8>
+#define STS_COUNT       'c' // count of commands <1> (or number of ws <1>)
+#define STS_AWAKEN      'w' // back from power down mode
+#define STS_DATA        'd' // provide training <1>, conflict <2>, command label <3-35> (counted string)
+#define STS_ERROR       'e' // signal error code <1-2>
+#define STS_INVALID     'v' // invalid command or argument
+#define STS_TIMEOUT     't' // timeout expired
+#define STS_INTERR      'i' // back from aborted recognition (see 'break')
+#define STS_SUCCESS     'o' // no errors status
+#define STS_RESULT      'r' // recognised sd command <1> - training similar to sd <1>
+#define STS_SIMILAR     's' // recognised si <1> (in mixed si/sd) - training similar to si <1>
+#define STS_OUT_OF_MEM  'm' // no more available commands (see 'group')
+#define STS_ID          'x' // provide version id <1>
+#define STS_PIN         'p' // return pin state <1>
+#define STS_TABLE_SX    'h' // table entries count <1-2> (10-bit), table name <3-35> (counted string)
+#define STS_GRAMMAR     'z' // si grammar: flags <1>, word count <2>, labels... <3-35> (n counted strings)
+#define STS_TOKEN       'f' // received sonicnet token <1-2>
+
+// protocol arguments are in the range 0x40 (-1) to 0x60 (+31) inclusive
+#define ARG_MIN     0x40
+#define ARG_MAX     0x60
+#define ARG_ZERO    0x41
+
+#define ARG_ACK     0x20    // to read more status arguments
+
+#endif //PROTOCOL_H
+