Getting Started

Chapter 9 – Digital Meets Analog – ADC and DAC

case 'l':
if((s[1]=='i') && (s[2]=='g')&& (s[3]=='h') && (s[4 =='t'))

case

if( & (s[3] == 'p'))

(s[3] == 't'))

') && (s[4]=='?'))

the ADC demo.\r");

ing("\rYou sent: '");

);

n't understand.\r");

}

hen you turn on the Butterfly you should see the following on HyperTerminal:

o communicate.

o the ADC demo.

temperature in fahrenheit

ltage value

pe in:

void parseInput(char s[])
{
// parse first character
switch (s[0])
{

getLight();
break;
't':
(s[1] == 'e') && (s[2] == 'm')&
getTemperature();
break;
case 'v':
if((s[1] == 'o') && (s[2] == 'l')&&
getVolt();
break;
case 'd':
if((s[1]=='e') && (s[2]=='m') && (s[3]=='o
sendString("You are talking to
break;
default:
sendStr
sendChar(s[0]
sendString("' - I do
break;

}
s[0] = '\0';

Using ADC

W

PC_Comm.c ready t

You are talking t

Commands:

light - returns a light value

temp - returns the

returns a vo

volt -

Ty