ref: 54bac038f411c10a596adf84c06df32f8c7c4c53
dir: /appl/lib/irsage.b/
implement Ir;
include "sys.m";
FD, Dir: import Sys;
include "ir.m";
sys: Sys;
init(keys, pid: chan of int): int
{
sys = load Sys Sys->PATH;
cfd := sys->open("#t/eia1ctl", sys->OWRITE);
if(cfd == nil)
return -1;
sys->fprint(cfd, "b9600");
dfd := sys->open("#t/eia1", sys->OREAD);
cfd = nil;
spawn reader(keys, pid, dfd);
return 0;
}
reader(keys, pid: chan of int, dfd: ref FD)
{
n, ta, tb: int;
dir: Dir;
b1:= array[1] of byte;
b2:= array[1] of byte;
pid <-= sys->pctl(0,nil);
(n, dir) = sys->fstat(dfd);
if(n >= 0 && dir.length > big 0) {
while(dir.length > big 0) {
l := int dir.length;
n = sys->read(dfd, array[l] of byte, l);
if(n < 0)
break;
dir.length -= big n;
}
}
out: for(;;) {
n = sys->read(dfd, b1, len b1);
if(n <= 0)
break;
ta = sys->millisec();
for(;;) {
n = sys->read(dfd, b2, 1);
if(n <= 0)
break out;
tb = sys->millisec();
if(tb - ta <= 200)
break;
ta = tb;
b1[0] = b2[0];
}
#sys->print("IR Code = %d\n", ((int b1[0]&16r1f)<<5) | (int b2[0]&16r1f));
case ((int b1[0]&16r1f)<<5) | (int b2[0]&16r1f) {
71 => n = Ir->ChanDN;
95 => n = Ir->Seven;
# 135 => n = Ir->VolDN;
207 => n = Ir->Three;
15 => n = Ir->Select;
135 => n = Ir->Dn;
335 => n = Ir->Five;
# 343 => n = Ir->Rew;
519 => n = Ir->Rew;
399 => n = Ir->Nine;
407 => n = Ir->Enter;
455 => n = Ir->Power;
479 => n = Ir->One;
591 => n = Ir->Six;
599 => n = Ir->ChanUP;
# 663 => n = Ir->VolUP;
663 => n = Ir->Up;
735 => n = Ir->Two;
791 => n = Ir->Mute;
# 839 => n = Ir->FF;
23 => n = Ir->FF;
863 => n = Ir->Four;
903 => n = Ir->Record;
927 => n = Ir->Eight;
975 => n = Ir->Zero;
983 => n = Ir->Rcl;
* => n = Ir->Error;
}
keys <-= n;
}
keys <-= Ir->Error;
}
translate(c: int): int
{
return c;
}