Getting Started

Chapter 9 – Digital Meets Analog – ADC and DAC

llator:

g(ENTER);

sendFString(TEXT_CTC);

dFString(TO_START);

dFString(TEXT_SINE);

sendFString(WAVE);

sendFString(TEXT_SQUARE);

sendFString(ENTER);
sendFString(TEXT_SAWTOOTH);

init(250); // default to 1000 Hz

DigitalOscilloscopeTimerInit();

// Demonstrator.c Function Generator / Digital Oscilloscope version

#include "PC_Comm.h"
#include "Messages.h"
#include "WaveTables.h"

unsigned char count = 0;
unsigned char tenth = 0;
//unsigned long signal = 0; // used for test

void initializer()
{
// Calibrate the osci
OSCCAL_calibration();

// Initialize the USART
USARTinit();

// set PORTD for output
DDRD = 0xFF;

// Display instructions on PC
sendFString(TALKING_TO);
sendFString(WHO_DEMO);

sendFStrin

sendFString(ENTER);
sendFString(TEXT_SINE);
sen
sen

sendFString(ENTER);

sendFString(TO_START);
sendFString(TEXT_SQUARE);
sendFString(WAVE);

sendFString(TO_START);
sendFString(TEXT_SAWTOOTH);
sendFString(WAVE);

sendFString(ENTER);
sendFString(TEXT_TRIANGLE);
sendFString(TO_START);
sendFString(TEXT_TRIANGLE);
sendFString(WAVE);

MilliSec_