int SetBacklight() {
int bvalue;
printf("[LPMTd] :: Set backlight level to ");
if(GetPowerState() == POWER_ON_BATTERY) {
GetConfig("BACKLIGHT_BAT_VALUE", &bvalue);
} else {
GetConfig("BACKLIGHT_AC_VALUE", &bvalue);
}
if(bvalue > backlightMaxValue) {
bvalue = backlightMaxValue;
}
printf("%d ", bvalue);
FILE* fd = fopen(brightnessPath, "w");
if(!fd) {
printf("[ FAIL ]\n");
return -1;
}
fprintf(fd, "%d", bvalue);
fclose(fd);
printf("[ OK ]\n");
return 0;
}
int main() {
printf("[LPMTd] :: Linux Power Management Tool v1.0\n");
signal(SIGTERM, signal_term);
if(LoadConfig(CONFIG_FILE_PATH) || UPowerConnect()
|| FetchBacklightInfo() || FetchCpuInfo() || UpdatePowerState()
|| SetBacklight() || SetHDD_APM() || SetCpuFreq()) {
printf("[LPMTd] :: Exit status (-1)\n");
return -1;
}
int new_pstate = WaitUPowerStateChange();
while(new_pstate >= 0) {
if(new_pstate != GetPowerState()) {
SetPowerState(new_pstate);
if(SetBacklight() || SetHDD_APM() || SetCpuFreq()) {
printf("[LPMTd] :: Exit status (-1)\n");
return -1;
}
}
new_pstate = WaitUPowerStateChange();
}
UPowerDisconnect();
ClearConfig();
printf("[LPMTd] :: Exit status (0)\n");
return 0;
}
int SetHDD_APM() {
unsigned int apm;
char* select;
if(GetPowerState() == POWER_ON_BATTERY) {
GetConfig("APM_BAT_VALUE", &apm);
} else {
GetConfig("APM_AC_VALUE", &apm);
}
GetConfig("APM_SELECT_DEVICE", &select);
if(!strcmp(select, "all-scsi")) {
char *id = "abcdefgh";
unsigned int i;
for(i = 0; i < 8; i++) {
char dev[10];
sprintf(dev, "/dev/sd%c", id[i]);
if(!access(dev, F_OK)) {
printf("[LPMTd] :: Set APM level for SCSI device <%s> to %d ", dev, apm);
if(ExecHdparm(dev, apm)) {
printf("[ FAIL ]\n");
} else {
printf("[ OK ]\n");
}
}
}
} else {
printf("[LPMTd] :: Set APM level for block device <%s> to %d ", select, apm);
if(!access(select, F_OK)) {
if(ExecHdparm(select, apm)) {
printf("[ FAIL ]\n");
return -1;
} else {
printf("[ OK ]\n");
}
} else {
printf("[ FAIL ]\n");
return -1;
}
}
return 0;
}
bool FirewireChannel::Retune(void)
{
LOG(VB_CHANNEL, LOG_INFO, LOC + "Retune()");
if (FirewireDevice::kAVCPowerOff == GetPowerState())
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"STB is turned off, must be on to retune.");
return false;
}
if (current_channel)
{
QString freqid = QString::number(current_channel);
return Tune(freqid, 0);
}
return false;
}
bool FirewireChannel::Tune(const QString &freqid, int /*finetune*/)
{
LOG(VB_CHANNEL, LOG_INFO, QString("Tune(%1)").arg(freqid));
bool ok;
uint channel = freqid.toUInt(&ok);
if (!ok)
return false;
if (FirewireDevice::kAVCPowerOff == GetPowerState())
{
LOG(VB_GENERAL, LOG_WARNING, LOC +
"STB is turned off, must be on to set channel.");
return true; // signal monitor will call retune later...
}
if (!device->SetChannel(fw_opts.model, 0, channel))
return false;
current_channel = channel;
return true;
}
