ICS Advent AOB8/16, Руководство по эксплуатации продукта

Страница: 34 / 40

Manual Number: 00650-010-6 Page 25
void sinecurve()
{
int i;
double rads,sine;
if (counts == 0) return; /*no point -- no curve */
clrscr();
printf(“Calculating sine wave points....”);
rads = (double) 2 * PI / (counts - 1); /* rad per count */
for(i = 0;i <counts;i++)
{
sine = (sin(rads * i) + 1.0) * 32767;
progstruct[i] = (unsigned) sine;
}
clrscr();
printf(“Generating sine wave, press any key to stop....”);
sendtoport();
} /* end sinecurve */
Function: trianglecurve( ) - local routine
Purpose: Calculate the points to create a trinagle wave
Input: None
Calls: None
Output: None
void trianglecurve(void)
{
int i;
double slope,temp;
if (counts == 0) return; /* no counts -- no curve */
clrscr();
Printf(“Calculating triangle wave points....”);
slope = 65535.0 / counts * 2.0; /* waveform slope */
for(i=0;i <counts/2;i++)
{
temp = slope * i;
progstruct[i] = (int)temp;