Apple-2-Tools
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apple2pi
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Only set GPCLK on default RPi UART

This commit is contained in:
David Schmenk 2014-07-07 12:33:13 -07:00
parent 6c83a517ed
commit e12c3be27c
1 changed files with 9 additions and 3 deletions
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12
src/a2pid.c
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@ -17,6 +17,7 @@
#include <linux/input.h>
#include <linux/uinput.h>
char deftty[] = "/dev/ttyAMA0"; /* Default for Raspberry Pi */
#if defined(SETSERCLK) && defined(__ARMEL__)
#include "gpclk.c"
#endif
@ -454,7 +455,7 @@ void main(int argc, char **argv)
int a2fd, kbdfd, moufd, srvfd, maxfd;
struct sockaddr_in servaddr;
fd_set readset, openset;
char *devtty = "/dev/ttyAMA0"; /* default for Raspberry Pi */
char *devtty = deftty;
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
*/
gpclk(271); /* divisor for ~1.8 MHz => (500/271) MHz */
sleep(1); /* give clock chance to settle down */
if (devtty == deftty)
{
gpclk(271); /* divisor for ~1.8 MHz => (500/271) MHz */
sleep(1); /* give clock chance to settle down */
}
#endif
/*
* 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_cc[VTIME] = 0; /* inter-character timer unused */
newtio.c_cc[VMIN] = 1; /* blocking read until 1 char received */
cfsetispeed(&newtio, B115200);
cfsetospeed(&newtio, B115200);
tcsetattr(a2fd, TCSANOW, &newtio);
prlog("a2pid: Waiting to connect to Apple II...\n");
iopkt[0] = 0x80; /* request re-sync if Apple II already running */