/*
Filename: MicLED.nxc
Based on HiTechnic Experimenter's Kit Program

(c) HiTechnic 2009
(c) Alex Alspach 2012

*/

#include "NXCDefs.h"

#define PROTO_PORT IN_1

int inputdata;
int outputdata;
int count;
byte cmndbuf[];                 // buffer for outbound I2C command
byte respbuf[];                 // buffer for inbound I2C response

/* protoboard I/O map
   42,43 - A0 input
   44,45 - A1 input
   46,47 - A2 input
   48,49 - A3 input
   4A,4B - A4 input
   4C    - B inputs
   4D    - B outputs
   4E    - B controls
*/

void readdata()
  {
  ArrayInit(cmndbuf, 0, 2);     // set the buffer to hold 2 values
  cmndbuf[0] = 0x02;            // set write to channel
  cmndbuf[1] = 0x42;            // to set read address
  count=2;                      // 2 bytes to read
  I2CBytes(PROTO_PORT, cmndbuf, count, respbuf);  // issue I2C write command and read the byte back
  inputdata=respbuf[0]*4+respbuf[1];              // create input value by reading the high order byte,
                                                  // shift it left 3 bits and add the low order byt to
                                                  //create a full 10 bit value
  }

void writedata()
  {
  ArrayInit(cmndbuf, 0, 3);     // set the buffer to hold 3 values
  cmndbuf[0] = 0x02;            // set write to channel
  cmndbuf[1] = 0x4D;            // to set write address
  cmndbuf[2] = outputdata;      // to set write data
  count=0;                      // no bytes to read
  I2CBytes(PROTO_PORT, cmndbuf, count, respbuf);  // issue I2C write command and read the byte back
  }

task main()
  {
  
  byte b0 = 1;
  byte b1 = 2;
  byte b2 = 4;
  byte b3 = 8;
  byte b4 = 16;
  byte b5 = 32;
  

  int soundSensorValue;
  string stgSoundSensorValue;
  string stgMessageandValue;
  
  SetSensorSound(IN_2);

  SetSensorLowspeed(PROTO_PORT); // set sensor port 1 to low speed serial (I2C)
  Wait(100);

  
  ArrayInit(cmndbuf, 0, 3);     // set the buffer to hold 3 values
  cmndbuf[0] = 0x02;            // set write to channel
  cmndbuf[1] = 0x4E;            // to set write address
  cmndbuf[2] = 0x3F;            // to write 111111
  count=0;                      // no bytes to read
  I2CBytes(PROTO_PORT, cmndbuf, count, respbuf);  // issue I2C write command
  Wait(100);
  
  while (TRUE)
    {
    
    soundSensorValue = Sensor(IN_2);
    inputdata =  soundSensorValue;
    
    ClearScreen();
    
    NumOut(20, LCD_LINE1, inputdata);

    outputdata=b0;                      //set the output value to turn one LED on
    if(inputdata>20) outputdata=b0|b1;     //       based on the input value
    if(inputdata>40) outputdata=b0|b1|b2;
    if(inputdata>60) outputdata=b0|b1|b2|b3;
    if(inputdata>80) outputdata=b0|b1|b2|b3|b4;
    if(inputdata>90) outputdata=b0|b1|b2|b3|b4|b5;
    writedata();

    Wait(50);
    }
    
    StopAllTasks();
}