File content as of revision 3:d3a088bc04e7:

#include "mbed.h"
//#include "InterruptIn.h"
//#include "Serial.h"

//DECLARATIONS
Serial pc(USBTX, USBRX);
//Digital Inputs
DigitalIn testIn(p25); 
//Digital Outputs
DigitalOut testOut(LED1);
//Analog Inputs
AnalogIn AIn(p26);
//Analog Outputs
AnalogOut AOut(p27);
AnalogOut BOut(p28);


char DisplayMenu(void){
char Key;
//disable_interrupts(INT_RTCC);
//disable_interrupts(INT_EXT1);
//disable_interrupts(GLOBAL);
printf("\n\r\n\r-----Robotics Test Program -----\n\n\r");
printf("Type number followed by enter:");
printf("\n\r 1: Read digital value at XX and write to YY.");
printf("\n\r 2: Write analog output at XX.");
printf("\n\r 3: Read analog input at YY and ZZ.");
printf("\n\r 4: PWM output at XX.");
printf("\n\r 5: Timer interrupt generation.");
printf("\n\r 6: External interrupt generation.");
printf("\n\r 7: Linear optical array test.");
printf("\n\r 8: Bluetooth communication.\n\r");
printf("Keypress = ");
Key=0x7F & pc.getc();
printf("\n\r-------------------------------------");
printf("\r\nPressed Key = %C",Key);
printf("\n\r-------------------------------------");
return(Key);
}

int SimpleIO(){ // read the state of a mechanical switch attached to a simple input port, display
//the logical value and then write the value to a simple output port that drives an LED.
if(testIn){
    printf("\r\n Logic Value = %f",testIn);
}
else{
    printf("\r\n Logic Value = %f",testIn);
}
testOut = testIn;
}
    
int fAnalogOut(){// accept a value from the keyboard that is then written to the analog output pin
char Key;
//disable_interrupts(INT_RTCC);
//disable_interrupts(INT_EXT1);
//disable_interrupts(GLOBAL);
printf("Enter a value");
printf("\n\rKeypress = ");
Key=0x7F & pc.getc();
printf("\n\r-------------------------------------");
printf("\r\nPressed Key = %C",Key);
printf("\n\r-------------------------------------");
AOut.write(Key);
    }
    
int fAnalogIn(){//read the analog values at two analog input pins and display the converted
//values. Note: the A/D converter on the MBED processor is unipolar with a dynamic range of 0 to 3.3V.
int AInCheck = AIn.read();
AOut.write(AInCheck);
BOut.write(AInCheck);
    }

int fPWMOut(){   //generate a PWM output using one of the six PWM channels on the MBED.
//Assume the value of the period and the on-time is read from the keyboard
    }

int ExternalIntInit(){//initialize an external interrupt that causes an LED to toggle its state each
//time an external interrupt is detected.
}

int TimerIntInit()
{
    
    
    }

int LinearOpticalArrayTest(){//repeatedly generates scans of the TSL1401 with a fixed delay between scans
int i;
do {
 //scan(ScanData); // Dummy scan
 //wait_us(IntegrationTime);
 //scan(ScanData);
 if (pc.readable()){
 char x=pc.getc();
 if (x=='q') break;
  else if (x=='i')
  {
  
  
  }
  else if(x=='l') 
  {
      //Display pixel values at the terminal
  }
 for(i=0; i<128; i=i+1) pc.printf("\n\n\r%d"/*, ScanData[i]*/);
 }
}while(1);
pc.printf("\n\n\rTerminating clocking sequence for linear optical array.\n\r");
}

int BlueToothTest(){//    The objective is to create the hardware and software interface illustrated
//in the figure below. Serial channel, Comm B, and the serial loopback path through the MBED
//processor will be used to initialize and configure the Parani/Promi Bluetooth module. Once
//configured, the objective is to enter keystrokes at Terminal A and have them displayed at Terminal
//B; and to have keystrokes entered at Terminal A displayed at Terminal B.


}

void scan(short ScanData[]) {
int j;
 //LoaSI=1;
 //LoaCLK=1;
 //LoaSI=0;
 for(j=0;j<128;j=j+1){
 //ScanData[j]=LoaAnalogIn.read_u16();
 //LoaCLK=0; //delay_us(1);
 //LoaCLK=1;
 }
 //LoaCLK=0;
}

void main() {
char Key;
//Initialize();
//while(TRUE) {
 Key=DisplayMenu();
 if(Key=='1') SimpleIO();                       //LAB 2.2
 else if(Key=='2') fAnalogOut();                //LAB 2.3
 else if(Key=='3') fAnalogIn();                  //LAB 2.4
 else if(Key=='4') fPWMOut();                    //LAB 2.5
 else if(Key=='5') TimerIntInit();              //LAB 2.6
 else if(Key=='6') ExternalIntInit();           //LAB 2.7
 else if(Key=='7') LinearOpticalArrayTest();    //LAB 2.8
 else if(Key=='8') BlueToothTest();             //LAB 2.9
 else printf("\r\nInvalid keypress entry.\r\n");
}