Diff: Doctor.cpp

Revision:

1:0167f0cacae5

diff -r 757da73b539a -r 0167f0cacae5 Doctor.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Doctor.cpp	Wed Feb 19 16:14:10 2014 +0000
@@ -0,0 +1,179 @@
+#include "mbed.h"
+#include "TARDIS_ARCHIVE.h"
+DigitalOut l(LED1), l2(LED2), l3(LED3), l4(LED4);
+/********************************************************/
+AnalogIn pitch(p19);                //Potentiometer sets up the pitch of the song
+AnalogIn tempo(p20);                //Potentiometer to set tempo of the song
+DigitalIn joyUP(p15);               //Play song of the Doctor (Master)
+DigitalIn joyDOWN(p12);             //Play song of the Companion (Slave)
+DigitalIn joyMID(p14);              //Stop playing either master or Slave song.
+PwmOut speaker(p26);                //Speaker on the mbed
+
+/*============SERIAL COMMUNICATION==============*/
+I2C doctor(p9, p10);           //mosi/miso/sck of the Doctor
+/********************************************************/
+Serial pc(USBTX, USBRX);
+int send_note;                   //word we will send
+int rec_note;                    //value received from master
+const int addr = 0x42;
+const int stop = 0xFF;
+/************************************|I Am the Doctor|**********************************/
+float frequency[]= {D3, E3, F3, G3,
+                    F3 ,E3, D3, E3, D3
+                   };
+float beat[]= {.7,.7,.7,0.3,.7,.7,.7,0.3,0.3, 0.3};
+/***************************************************************************************/
+//
+int main()
+{
+
+    while(1) {
+
+        if (joyUP) {
+            playTheDoctor();
+            doctor.stop();
+            wait(0.01);
+        } else if (joyDOWN) {
+
+            playTheCompanion();
+            wait(0.01);
+        } else if (joyMID) {
+//            pc.printf("\n\rMAIN PROGRAM OF THE DOCTOR INITIATED");
+//
+//            doctor.start();
+//            doctor.write(addr);
+//            int j = frequency[4];
+//            int k = doctor.write(F3);
+//            pc.printf("\n\rHi = '%d'", j);
+//            doctor.stop();
+            songOfMyPeople(frequency, beat);
+            // wait(2);
+        }
+        wait (0.01);
+    }
+}
+//========================================================================================================================================
+//========================================================================================================================================
+//========================================================================================================================================
+
+/*********************************************************************
+******************************THE COMPANION***************************
+********************************aka slave*****************************
+**********************************************************************/
+
+void playTheCompanion()
+{
+    doctor.start();
+    //doctor.read(addr);
+    doctor.write(addr|0x01);
+//send address, with R/W bit set to Read
+    int prev=0;
+    int cur;
+    while(1) {
+        rec_note = doctor.read(addr);
+        cur = rec_note;
+        if(rec_note==stop) {
+            speaker = 0;
+            //doctor.write(addr|0x00);
+            doctor.stop();
+            return;
+        }
+        if(cur!=prev) playTheCompanion(cur);
+        prev = rec_note;
+        //wait(0.01);
+        if (joyMID) {
+            speaker = 0;                    //reset speaker duty cycle
+            doctor.write(stop);
+            doctor.stop();
+            wait(1);                        //delay for inferior humans
+            return;
+        } else if(joyUP) {
+            speaker = 0;                   //read joyUp value.
+            doctor.write(stop);
+            doctor.stop();
+            return;
+
+        }
+    }
+//speaker = 0;
+
+//return;
+}
+
+/*********************************************************************
+******************************THE DOCTOR******************************
+********************************aka master****************************
+**********************************************************************/
+
+void playTheDoctor()
+{
+    doctor.start();
+    doctor.write(addr);
+    for (int i=0; i<=sizeof(frequency)/sizeof(int)-1; i++) {
+        send_note = frequency[i];
+        doctor.write(send_note);
+        pc.printf("\n\rDoctor sent note = '%d", send_note);
+        float value = lookupNoteFrq(frequency, i);
+        speaker.period(1/(2*value)); // set PWM period
+        speaker=0.5;
+        wait(0.4*beat[i]);
+
+        if (joyMID) {
+            pc.printf("\n\rDoctor song was interrupted by demo");
+            speaker = 0; //reset speaker duty cycle
+            doctor.stop();
+            wait(2);     //delay for inferior humans
+            return;
+        } else if(joyDOWN) {
+            speaker = 0;
+            doctor.stop();
+            return;
+        }
+    }
+    doctor.write(stop);
+    doctor.stop();
+    speaker=0;
+    return;
+}
+/*===================================================================*/
+//===================Goon Squad of helper functions==================//
+void playTheCompanion(int k)
+{
+    float frqNote = notes[k];
+    pc.printf("\n\rNote I got = '%d", k);
+    speaker.period(1/(2*frqNote)); // set PWM period
+    speaker=0.5;
+    return;
+}
+
+/*====================Original Demo====================================*/
+void songOfMyPeople(float frequency[], float beat[])
+
+{
+    while(1) { //run infinetly unless interupted
+        for (int i=0; i<=8; i++) {
+            float value = lookupNoteFrq(frequency, i);
+            speaker.period(1/(2*value)); // set PWM period
+            speaker=0.5; // set duty cycle
+            wait(0.4*beat[i]);
+            if (joyMID) {
+                speaker = 0; //reset speaker duty cycle
+                wait(2);     //delay for inferior humans
+                return;
+            }
+        }
+        speaker = 0;
+        wait(0.25);
+    }
+}
+
+/*===================================================================*/
+float lookupNoteFrq(float frq[], int k)
+{
+    int location_of_note = frequency[k];
+    pc.printf("\n\rLocation of the note = '%d'", location_of_note);
+
+    float vNote = notes[location_of_note];
+    pc.printf("\n\rFrq of the note = '%f'", vNote);
+    return vNote;
+}
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