Apple-2-Tools/apple2pi
1
0
Fork 0
mirror of https://github.com/dschmenk/apple2pi.git synced 2024-11-28 09:49:27 +00:00
Code Issues Projects Releases Wiki Activity

Only set GPCLK on default Pi serial port. Force 115.2 Kbaud

Browse Source
This commit is contained in:
David Schmenk 2014-06-19 10:24:53 -07:00
parent 13bd130756
commit 32598a68c6
1 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/a2pid.c
View File

@ -17,6 +17,7 @@
#include <linux/input.h> #include <linux/input.h>
#include <linux/uinput.h> #include <linux/uinput.h>
char deftty[] = "/dev/ttyAMA0"; /* Default for Raspberry Pi */
#if defined(SETSERCLK) && defined(__ARMEL__) #if defined(SETSERCLK) && defined(__ARMEL__)
#include "gpclk.c" #include "gpclk.c"
#endif #endif
@ -301,7 +302,7 @@ void sendrelxy(int fd, int x, int y)
write(fd, &evsync, sizeof(evsync)); write(fd, &evsync, sizeof(evsync));
} }
/*****************************************************************\ /*****************************************************************\
* * * *
* Request queue management * * Request queue management *
* * * *
\*****************************************************************/ \*****************************************************************/
@ -454,7 +455,7 @@ void main(int argc, char **argv)
int a2fd, kbdfd, moufd, srvfd, maxfd; int a2fd, kbdfd, moufd, srvfd, maxfd;
struct sockaddr_in servaddr; struct sockaddr_in servaddr;
fd_set readset, openset; fd_set readset, openset;
char *devtty = "/dev/ttyAMA0"; /* default for Raspberry Pi */ char *devtty = deftty;
char *vdrvdir = "/usr/share/a2pi/"; /* default vdrv image directory */ char *vdrvdir = "/usr/share/a2pi/"; /* default vdrv image directory */
/* /*
@ -586,8 +587,11 @@ void main(int argc, char **argv)
/* /*
* Initialize ACIA clock for Apple II Pi card * Initialize ACIA clock for Apple II Pi card
*/ */
gpclk(271); /* divisor for ~1.8 MHz => (500/271) MHz */ if (devtty == deftty)
sleep(1); /* give clock chance to settle down */ {
gpclk(271); /* divisor for ~1.8 MHz => (500/271) MHz */
sleep(1); /* give clock chance to settle down */
}
#endif #endif
/* /*
* Open serial port. * Open serial port.
@ -605,6 +609,8 @@ void main(int argc, char **argv)
newtio.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */ newtio.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */
newtio.c_cc[VTIME] = 0; /* inter-character timer unused */ newtio.c_cc[VTIME] = 0; /* inter-character timer unused */
newtio.c_cc[VMIN] = 1; /* blocking read until 1 char received */ newtio.c_cc[VMIN] = 1; /* blocking read until 1 char received */
cfsetispeed(&newtio, B115200);
cfsetospeed(&newtio, B115200);
tcsetattr(a2fd, TCSANOW, &newtio); tcsetattr(a2fd, TCSANOW, &newtio);
prlog("a2pid: Waiting to connect to Apple II...\n"); prlog("a2pid: Waiting to connect to Apple II...\n");
iopkt[0] = 0x80; /* request re-sync if Apple II already running */ iopkt[0] = 0x80; /* request re-sync if Apple II already running */