add speech recognition lib

Author: bitsk

libraries/Maix_Speech_Recognition/examples/get_voice_model/get_voice_model.ino

@@ -0,0 +1,20 @@
+#include "Maix_Speech_Recognition.h"
+
+SpeechRecognizer rec;
+
+void setup()
+{ 
+    rec.begin();
+    Serial.begin(115200);
+    Serial.println("start rec...");
+    if( rec.record(0, 0) == 0) //keyword_num, model_num 
+    {    
+      rec.print_model(0, 0);
+    }
+    else 
+        Serial.println("rec failed");
+}
+
+void loop()
+{
+}

libraries/Maix_Speech_Recognition/examples/voice_control_led/voice_control_led.ino

@@ -0,0 +1,71 @@
+#include "Maix_Speech_Recognition.h"
+#include "voice_model.h"
+
+SpeechRecognizer rec;
+
+void setup()
+{
+    pinMode(LED_RED, OUTPUT);
+    pinMode(LED_BLUE, OUTPUT);
+    pinMode(LED_GREEN, OUTPUT);
+    rec.begin();
+    Serial.begin(115200);
+    Serial.println("init model...");
+    rec.addVoiceModel(0, 0, hongse_0, fram_num_hongse_0); //36
+    rec.addVoiceModel(0, 1, hongse_1, fram_num_hongse_1); //20
+    rec.addVoiceModel(0, 2, hongse_2, fram_num_hongse_2); //23
+    rec.addVoiceModel(0, 3, hongse_3, fram_num_hongse_3); //21
+    rec.addVoiceModel(1, 0, lvse_0, fram_num_lvse_0);     //20
+    rec.addVoiceModel(1, 1, lvse_1, fram_num_lvse_1);     //37
+    rec.addVoiceModel(1, 2, lvse_2, fram_num_lvse_2);     //19
+    rec.addVoiceModel(1, 3, lvse_3, fram_num_lvse_3);     //26
+    rec.addVoiceModel(2, 0, lanse_0, fram_num_lanse_0);   //19
+    rec.addVoiceModel(2, 1, lanse_1, fram_num_lanse_1);   //21
+    rec.addVoiceModel(2, 2, lanse_2, fram_num_lanse_2);   //28
+    rec.addVoiceModel(2, 3, lanse_3, fram_num_lanse_3);   //22
+    rec.addVoiceModel(3, 0, guandeng_0, fram_num_guandeng_0);  //26
+    rec.addVoiceModel(3, 1, guandeng_1, fram_num_guandeng_1);  //29
+    rec.addVoiceModel(3, 2, guandeng_2, fram_num_guandeng_2);  //33
+    rec.addVoiceModel(3, 3, guandeng_3, fram_num_guandeng_3);  //29
+    Serial.println("init model ok!");
+}
+void loop()
+{
+    int res;
+    res = rec.recognize();
+    Serial.printf("res : %d ", res);
+    if (res > 0){
+        switch (res)
+        {
+        case 1:
+            digitalWrite(LED_RED, LOW); //power on red led
+            digitalWrite(LED_GREEN, HIGH);
+            digitalWrite(LED_BLUE, HIGH);
+            Serial.println("rec : hongse ");
+            break;
+        case 2:
+            digitalWrite(LED_GREEN, LOW); //power on green led
+            digitalWrite(LED_RED, HIGH);
+            digitalWrite(LED_BLUE, HIGH);
+            Serial.println("rec : lvse ");
+            break;
+        case 3:
+            digitalWrite(LED_BLUE, LOW); //power on blue led
+            digitalWrite(LED_RED, HIGH);
+            digitalWrite(LED_GREEN, HIGH);
+            Serial.println("rec : lanse ");
+            break;
+        case 4:
+            digitalWrite(LED_RED, HIGH);
+            digitalWrite(LED_GREEN, HIGH);
+            digitalWrite(LED_BLUE, HIGH);   //power off all leds
+            Serial.println("rec : guandeng ");
+        default:
+            break;
+        }
+    }else
+    {
+        Serial.println("recognize failed.");
+    }
+    delay(1000);
+}

libraries/Maix_Speech_Recognition/examples/voice_control_led/voice_model.h

@@ -0,0 +1,9 @@
+name=Maix_Speech_Recognition
+version=1.0
+author=BigBits
+maintainer=BigBits<[email protected]>
+sentence=Maix Boards Speech Recognition Lib
+paragraph=Maix Boards Speech Recognition Lib
+category=Uncategorized
+url=
+architectures=k210