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emu: fixed serial protocol for LCM panel

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This commit is contained in:
aap
2019-03-08 09:28:24 +01:00
parent 135ab82a97
commit 93420ff2a9
1 changed files with 45 additions and 34 deletions
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79
emu/main_serial.c
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@@ -24,8 +24,8 @@ talkserial(int fd, Apr *apr, Ptr *ptr)
{
struct termios ios;
Apr oldapr;
char buf[32];
int n;
char c, buf[32];
int n, sw;
if(tcgetattr(fd, &ios) == 0){
cfsetispeed(&ios, B38400);
@@ -34,6 +34,10 @@ talkserial(int fd, Apr *apr, Ptr *ptr)
tcsetattr(fd, TCSANOW, &ios);
}
/* Synch to CR */
while(readn(fd, &c, 1) == 0, c != 015);
sw = 0;
while(1){
if(apr == nil)
return;
@@ -99,38 +103,45 @@ talkserial(int fd, Apr *apr, Ptr *ptr)
/* Send lights */
// TODO: only send changes
n = 0;
buf[n++] = '0';
buf[n++] = apr->ir>>12 & 077 | 0100;
buf[n++] = apr->ir>>6 & 077 | 0100;
buf[n++] = apr->ir>>0 & 077 | 0100;
buf[n++] = '1';
buf[n++] = apr->mi>>30 & 077 | 0100;
buf[n++] = apr->mi>>24 & 077 | 0100;
buf[n++] = apr->mi>>18 & 077 | 0100;
buf[n++] = '2';
buf[n++] = apr->mi>>12 & 077 | 0100;
buf[n++] = apr->mi>>6 & 077 | 0100;
buf[n++] = apr->mi>>0 & 077 | 0100;
buf[n++] = '3';
buf[n++] = apr->pc>>12 & 077 | 0100;
buf[n++] = apr->pc>>6 & 077 | 0100;
buf[n++] = apr->pc>>0 & 077 | 0100;
buf[n++] = '4';
buf[n++] = apr->ma>>12 & 077 | 0100;
buf[n++] = apr->ma>>6 & 077 | 0100;
buf[n++] = apr->ma>>0 & 077 | 0100;
buf[n++] = '5';
buf[n++] = apr->run<<5 | apr->pih>>3 | 0100;
buf[n++] = (apr->pih&7)<<3 | 0100;
buf[n++] = 0100;
buf[n++] = '6';
buf[n++] = apr->mc_stop<<5 | apr->pir>>3 | 0100;
buf[n++] = (apr->pir&7)<<3 | 0100;
buf[n++] = 0100;
buf[n++] = '7';
buf[n++] = apr->pi_active<<5 | apr->pio>>3 | 0100;
buf[n++] = (apr->pio&7)<<3 | 0100;
buf[n++] = 0100;
switch(sw){
case 0:
buf[n++] = '0';
buf[n++] = apr->ir>>12 & 077 | 0100;
buf[n++] = apr->ir>>6 & 077 | 0100;
buf[n++] = apr->ir>>0 & 077 | 0100;
buf[n++] = '1';
buf[n++] = apr->mi>>30 & 077 | 0100;
buf[n++] = apr->mi>>24 & 077 | 0100;
buf[n++] = apr->mi>>18 & 077 | 0100;
buf[n++] = '2';
buf[n++] = apr->mi>>12 & 077 | 0100;
buf[n++] = apr->mi>>6 & 077 | 0100;
buf[n++] = apr->mi>>0 & 077 | 0100;
buf[n++] = '3';
buf[n++] = apr->pc>>12 & 077 | 0100;
buf[n++] = apr->pc>>6 & 077 | 0100;
buf[n++] = apr->pc>>0 & 077 | 0100;
break;
case 1:
buf[n++] = '4';
buf[n++] = apr->ma>>12 & 077 | 0100;
buf[n++] = apr->ma>>6 & 077 | 0100;
buf[n++] = apr->ma>>0 & 077 | 0100;
buf[n++] = '5';
buf[n++] = apr->run<<5 | apr->pih>>3 | 0100;
buf[n++] = (apr->pih&7)<<3 | 0100;
buf[n++] = 0100;
buf[n++] = '6';
buf[n++] = apr->mc_stop<<5 | apr->pir>>3 | 0100;
buf[n++] = (apr->pir&7)<<3 | 0100;
buf[n++] = 0100;
buf[n++] = '7';
buf[n++] = apr->pi_active<<5 | apr->pio>>3 | 0100;
buf[n++] = (apr->pio&7)<<3 | 0100;
buf[n++] = 0100;
break;
}
sw = !sw;
writen(fd, buf, n);
}
}