Example written in C to send a line speed to a print station
// Send Print Head Address 2 Line Speed of 100 feet per minute.
putchar(0x1b);
// Send out ESC
putchar(0x02);
// Send out STX
putchar(0x30);
// Send out upper nibble of address
putchar(0x32);
// Send out lower nibble of address
putchar(0x26);
// Send out '&' command
putchar(0x36);
// Send out upper nibble for Line Speed 100
putchar(0x34);
// Send out lower nibble for Line Speed 100
putchar(0x04);
// Send out EOT
// Get results from print station
{
unsigned char dummy;
dummy
=
getchar();
//
Get
ESC
dummy
=
getchar();
//
Get
STX
dummy = getchar() << 4;
// Get upper nibble of address
dummy |= getchar() & 0x0f;
// Get lower nibble of address
if(dummy
==
our_address)
{
dummy
=
getchar();
//
Get
command
dummy = getchar();
// Get ACK for print station
if(!dummy
==
ACK)
{
// error handler (didn't get acknowledgement from printer)
}
else
{
dummy
=
getchar();
//
Get
EOT
}
}
else
{
// error handler (not our address)
}
}
20
EVOLUTION SC
SYSTEM MANUAL Issue 1.1 15 November 2006
