int transmit(int hc, int uc, int cmd)
{
int ret = 0, i = 0;
unsigned char data[5];
char scratch[40];
dsyslog(LOG_INFO,"transmit: hc=0x%x, uc=0x%x, fc=0x%x\n",hc,uc,cmd);
if (cmd >= X10_CMD_END){
dsyslog(LOG_INFO,"transmit: invalid fc\n");
return 1;
}
hc &= 0x0f;
memset(data,0,sizeof(data));
i = 0;
data[i++] = X10_PL_SENDCMD;
data[i++] = housecode[hc] | 0x40;
if (uc >= 0)
data[i++] = unitcode[uc] | 0x40;
if (cmd >= 0)
data[i++] = functioncode[cmd] | 0x40;
data[4] = X10_PL_REPEATONCE;
if (sem_wait_timeout(&cts,timeout)) {
syslog(LOG_INFO,"Timeout while waiting for transmitter\n");
syslog(LOG_INFO,"If this persists, restart daemon\n");
return -1;
}
if (startup()) {
syslog(LOG_INFO,"unable to communicate with PowerLinc Transceiver\n");
ret = -1;
goto done;
}
dsyslog(LOG_INFO,"sending %s\n",dumphex(scratch,(void *)data,sizeof(data)));
ret = write(serial,data,sizeof(data));
dsyslog(LOG_INFO,"sleeping for %d microseconds\n",delay);
usleep(delay*1000);
done:
sem_post(&cts); // enable transmitter
return ret;
}
int
sem_trywait(sem_t *sem)
{
return sem_wait_timeout(sem, 0);
}
int
sem_wait(sem_t *sem)
{
return sem_wait_timeout(sem, INFINITE);
}
int sem_wait(ACL_SEM *sem)
{
return sem_wait_timeout(sem, ACL_MUTEX_MAXWAIT);
}
int sem_try_wait(ACL_SEM *sem)
{
return sem_wait_timeout(sem, 0);
}
