int
eloWaitAck(int fd)
{
unsigned char packet[ELO_PACKET_SIZE];
int i, nb_errors;
if (eloWaitReply(ELO_ACK, packet, fd)) {
for (i = 0, nb_errors = 0; i < 4; i++) {
if (packet[2 + i] != '0') {
nb_errors++;
}
}
if (nb_errors != 0) {
#ifdef DEBUG_MOUSE
fprintf(stderr,
"Elographics acknowledge packet reports %d errors\n",
nb_errors);
#endif
}
return 1;
} else {
return 0;
}
}
/* eloSendQuery --
*/
int eloSendQuery(unsigned char *request, unsigned char* reply, int fd) {
int ok;
if (eloSendPacket(request, fd)) {
ok = eloWaitReply(toupper(request[1]), reply, fd);
if (ok) {
ok = eloWaitAck(fd);
}
return ok;
}
else {
return 0;
}
}
