static void
cksecure(void)
{
ulong db;
extern ulong getdebug(void);
if (getscr() & 1)
panic("cpu%d: running non-secure", m->machno);
db = getdebug();
if (db)
iprint("cpu%d: debug enable reg %#lux\n", m->machno, db);
}
int main(int argc, char **argv) {
int lid = LID_UNKNOWN;
int power = PWR_UNKNOWN;
int brightscr=1023; //screen brightness on AC (default at start)
int brightkeyb=512; //keyboard brightness on AC
int dimscr=512; //screen brightness on battery
int dimkeyb=300; //keyboard brightness on battery
int keyTimer = 0;
system("echo -ne \"\\033[9;0]\" >/dev/tty0"); //set screen blank to never -- it doesn't blank the frame buffer so don't use it
//intialize the keyboard lights
keyb(powerstate() == PWR_AC_CORD?brightkeyb:dimkeyb);
keys_timerid = create_timer(KEYS_TIMER, KEYS_TIMEOUT);
lcd_timerid = create_timer(LCD_TIMER, LCD_TIMEOUT);
power_timerid = create_timer(POWER_TIMER, 0);
signal(SIGQUIT, _powerDown);
signal(SIGINT, _suspend);
signal(SIGUSR1, _newMsg);
while(1) { //main loop
if( (!power || newMsg) && GetKeyPressed() == 1) //if there is power the timers are not active, so nothing needs to be done
{
if(!power){
//a key has been pressed -- reset the timers
set_timer(keys_timerid, KEYS_TIMEOUT);
set_timer(lcd_timerid, LCD_TIMEOUT);
screenOn();
}
if(newMsg && valkeyb){
//stop flashing the keyboard
keyb(valkeyb);
toggleLED(0);
valkeyb = 0;
newMsg = 0;
}
}
if(newMsg){
if(!valkeyb)
valkeyb = getkeyb();
toggleLED(flashKeyBrd);
if(flashKeyBrd){
keyb(valkeyb);
flashKeyBrd=0;
}
else{
keyb(0);
flashKeyBrd=1;
}
}
if(powerDown && !suspend)
{
set_timer(power_timerid, POWER_TIMEOUT);
powerDown = 0;
}
if(suspend)
{
set_timer(power_timerid, 0);
suspend = 0;
powerDown = 0;
}
if(lid != lidstate())
{
lid = lidstate();
lightswitch(lid);
}
if(power != powerstate())
{ //there has been a change in the powerstate
keyTimer = 0;
power = powerstate();
if (power) { //AC is plugged in
// system("echo -ne \"\\033[9;0]\" >/dev/tty0"); //set screen blank to never
screenOn();
set_timer(keys_timerid, 0);
set_timer(lcd_timerid, 0);
dimscr = getscr(); //store current brightness as dim values
dimkeyb = getkeyb();
keysOn();
lcdb(brightscr);
keyb(brightkeyb); //and brighten lights
}
else{ //AC is unplugged
// system("echo -ne \"\\033[9;1]\" >/dev/tty0"); //set screen blank to 1 minutes
set_timer(keys_timerid, KEYS_TIMEOUT);
set_timer(lcd_timerid, LCD_TIMEOUT);
brightscr = getscr(); //store current brightness as bright
brightkeyb = getkeyb();
lcdb(dimscr);
keyb(dimkeyb); //and dim lights
}
}
sleep(1); //wait one second
}
}
