HPRT HM-E200 - Page 37

HM-E200 Programming Manual
33
SendStr[3] = 30；
SendStr[4] = 0； // Starting point
SendStr[5] = 104；
SendStr[6] = 1； // End point
PrtSendData(SendStr,7)；
// Print curve
SendStr[0] = 0x1D；
SendStr[1] = 0x27；
SendStr[2] = 3； // Three lines:X-axis, sin and cos function curve
SendStr[3] = 180； SendStr[4] = 0； // x-axis position
SendStr[5] = 180； SendStr[6] = 0；
for(i=1；i<1200；i++){
y1 = sin(i/180*3.1416)*(380-30)/2+180； // Calculation of the sin function
coordinates
y2 = cos(i/180*3.1416)*(380-30)/2+180；// Calculation of the cos function
coordinates
if(i==1) { y1s = y1； y2s = y2； }
PrtSendData( SendStr, 7 )；
if(y1s < y1)
{
PrtSendData( &y1s, 2 )； // Sin function curve at the starting point of the
line
PrtSendData( &y1, 2 )； // Sin function curve at the end point of the line
}
else
{
PrtSendData( &y1, 2 )； // Sin function curve at the starting
point of the line
PrtSendData( &y1s, 2 )； // Sin function curve at the end point
of the line
}
if(y2s < y2)
{
PrtSendData( &y2s, 2 )； // Cos function curve at the starting
point of the line
PrtSendData( &y2, 2 )； // Cos function curve at the end point of
the line
}
else
{
PrtSendData( &y2, 2 )； // Cos function curve at the starting
point of the line
PrtSendData( &y2s, 2 )； // Cos function curve at the end point
of the line
}
y1s = y1； //when print the next line, sin function curve at the starting
point of the line coordinate
y2s = y2； // when print the next line, cos function curve at the starting
point of the line coordinate
}