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apple2pi
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Attempt re-sync when RPi reboots and Apple II doesn't

This commit is contained in:
dschmenk 2013-06-13 10:32:31 -07:00
parent d3747d4fbe
commit 91f7c94d58
2 changed files with 55 additions and 44 deletions
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src/A2PI.PO
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99
src/a2pid.c
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@ -614,7 +614,7 @@ void main(int argc, char **argv)
die("error: REP_DELAY");
evkey.type = EV_REP;
evkey.code = REP_PERIOD;
evkey.value = 100; /* 10 reps/sec */
evkey.value = 67; /* 15 reps/sec */
if (write(kbdfd, &evkey, sizeof(evkey)) < 0)
die("error: REP_PERIOD");
/*
@ -652,48 +652,16 @@ void main(int argc, char **argv)
/*
* Initialize event structures.
*/
bzero(&evkey, sizeof(evkey));
bzero(&evsync, sizeof(evsync));
bzero(&evrelx, sizeof(evrelx));
bzero(&evrely, sizeof(evrely));
evkey.type = EV_KEY;
evrelx.type = EV_REL;
evrelx.code = REL_X;
evrely.type = EV_REL;
evrely.code = REL_Y;
evsync.type = EV_SYN;
/*
* Open serial port.
*/
prlog("a2pid: Open serial port\n");
a2fd = open(devtty, O_RDWR | O_NOCTTY);
if (a2fd < 0)
die("error: serial port open");
tcgetattr(a2fd, &oldtio); /* save current port settings */
bzero(&newtio, sizeof(newtio));
newtio.c_cflag = BAUDRATE /*| CRTSCTS*/ | CS8 | CLOCAL | CREAD;
newtio.c_iflag = IGNPAR;
newtio.c_oflag = 0;
newtio.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */
newtio.c_cc[VTIME] = 0; /* inter-character timer unused */
newtio.c_cc[VMIN] = 1; /* blocking read until 1 char received */
tcsetattr(a2fd, TCSANOW, &newtio);
prlog("a2pid: Waiting...\n");
tcflush(a2fd, TCIFLUSH);
newtio.c_cc[VMIN] = 3; /* blocking read until 3 chars received */
tcsetattr(a2fd, TCSANOW, &newtio);
if (read(a2fd, iopkt, 1) == 1)
{
if (iopkt[0] == 0x80) /* receive sync */
{
prlog("a2pid: Connected.\n");
iopkt[0] = 0x81; /* acknowledge */
write(a2fd, iopkt, 1);
tcflush(a2fd, TCIFLUSH);
}
else
stop = TRUE;
}
bzero(&evkey, sizeof(evkey));
bzero(&evsync, sizeof(evsync));
bzero(&evrelx, sizeof(evrelx));
bzero(&evrely, sizeof(evrely));
evkey.type = EV_KEY;
evrelx.type = EV_REL;
evrelx.code = REL_X;
evrely.type = EV_REL;
evrely.code = REL_Y;
evsync.type = EV_SYN;
/*
* Open socket.
*/
@ -710,6 +678,48 @@ void main(int argc, char **argv)
if (listen(srvfd, 1) < 0)
die("error: listen socket");
reqfd = 0;
/*
* Open serial port.
*/
prlog("a2pid: Open serial port\n");
a2fd = open(devtty, O_RDWR | O_NOCTTY);
if (a2fd < 0)
die("error: serial port open");
tcflush(a2fd, TCIFLUSH);
tcgetattr(a2fd, &oldtio); /* save current port settings */
bzero(&newtio, sizeof(newtio));
newtio.c_cflag = BAUDRATE /*| CRTSCTS*/ | CS8 | CLOCAL | CREAD;
newtio.c_iflag = IGNPAR;
newtio.c_oflag = 0;
newtio.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */
newtio.c_cc[VTIME] = 0; /* inter-character timer unused */
newtio.c_cc[VMIN] = 1; /* blocking read until 1 char received */
tcsetattr(a2fd, TCSANOW, &newtio);
prlog("a2pid: Waiting...\n");
iopkt[0] = 0x80; /* request re-sync if Apple II already running */
write(a2fd, iopkt, 1);
if (read(a2fd, iopkt, 1) == 1)
{
if (iopkt[0] == 0x80) /* receive sync */
{
prlog("a2pid: Connected.\n");
iopkt[0] = 0x81; /* acknowledge */
write(a2fd, iopkt, 1);
tcflush(a2fd, TCIFLUSH);
}
else if (iopkt[0] == 0x9F) /* bad request from Apple II */
{
prlog("a2pi: Bad Connect Request.\n");
tcflush(a2fd, TCIFLUSH);
}
else
{
printf("a2pi: Bad Sync ACK [0x%02X]\n", iopkt[0]);
stop = TRUE;
}
}
newtio.c_cc[VMIN] = 3; /* blocking read until 3 chars received */
tcsetattr(a2fd, TCSANOW, &newtio);
FD_ZERO(&openset);
FD_SET(a2fd, &openset);
FD_SET(srvfd, &openset);
@ -843,7 +853,8 @@ void main(int argc, char **argv)
break;
default:
prlog("a2pid: Unknown Event\n");
stop = TRUE;
tcflush(a2fd, TCIFLUSH);
//stop = TRUE;
}
}
else