From 8b8e17eda2c981a6f9ba4ecab5a44cc419353b69 Mon Sep 17 00:00:00 2001
From: David Schmenk <dschmenk@gmail.com>
Date: Thu, 19 Sep 2013 21:03:28 -0700
Subject: [PATCH] Clean up build

---
 src/Makefile      | 44 +++++++++++++-------------------------------
 src/a2pi-setup.sh |  4 ++--
 src/a2pid.c       | 25 +++++++++++++++++++++++++
 src/gpclk.c       |  6 +++---
 4 files changed, 43 insertions(+), 36 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index e9d7c8b..3ce9b89 100755
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,42 +1,24 @@
-PACKAGE=a2pi
-VERSION=0.9.0
-PREFIX=/usr/local
-BIN= a2serclk a2pid a2joy a2joymou a2joypad a2mon a2term dskread dskwrite bintomon bload brun text2merlin merlin2text
-BINDIR=$(PREFIX)/bin
-DIST=$(PACKAGE)-$(VERSION)
-DISTDIR=./$(DIST)
+DESTDIR=/usr/local/bin
+SHAREDIR=/usr/share/a2pi
+BIN=a2pid a2joy a2joymou a2joypad a2mon a2term fusea2pi dskread dskwrite bload brun
+A2PIDEFS=-DSETSERCLK
 
-all: $(BIN) fusea2pi
+all: $(BIN)
+
+a2pid: a2pid.c gpclk.c
+	$(CC) $(A2PIDEFS) a2pid.c -o a2pid
 
 fusea2pi: fusea2pi.c a2lib.c
 	$(CC) -I/usr/include/fuse -D_FILE_OFFSET_BITS=64 fusea2pi.c -lfuse -o fusea2pi
 
 clean:
-	-rm $(BIN) *~ fusea2pi
+	-rm $(BIN) *~ *.tar.gz
 
 install:
-	cp $(BIN) fusea2pi a2mount $(BINDIR)
+	cp $(BIN) a2mount $(DESTDIR)
+	-mkdir $(SHAREDIR)
+	cp ../share/* $(SHAREDIR)
 	$(BASH) ./a2pi-setup.sh
 
 uninstall:
-	cd $(BINDIR); rm $(BIN) fusea2pi a2mount
-
-dist:
-	-rm -rf $(DISTDIR)
-	mkdir $(DISTDIR)
-	-chmod 777 $(DISTDIR)
-	cp ../LICENSE.txt $(DISTDIR)
-	cp ../README.md $(DISTDIR)
-	mkdir $(DISTDIR)/docs
-	cp ../docs/* $(DISTDIR)/docs
-	mkdir $(DISTDIR)/src
-	cp *.c $(DISTDIR)/src
-	cp *.sh $(DISTDIR)/src
-	cp *.conf $(DISTDIR)/src
-	cp *.bin $(DISTDIR)/src
-	cp *.mon $(DISTDIR)/src
-	cp *.PO $(DISTDIR)/src
-	cp a2mount execfile Makefile $(DISTDIR)/src
-	-chmod -R a+r $(DISTDIR)
-	tar czf $(DIST).tar.gz $(DISTDIR)
-	rm -rf $(DISTDIR)
\ No newline at end of file
+	cd $(DESTDIR); rm $(BIN) a2mount
diff --git a/src/a2pi-setup.sh b/src/a2pi-setup.sh
index fe8cbe2..aa8f6f9 100755
--- a/src/a2pi-setup.sh
+++ b/src/a2pi-setup.sh
@@ -15,12 +15,12 @@ if [ -n "$gettyline" -a ${gettyline:0:1} = T ] ; then
 	sed 's/^T0*/#T0*/' /etc/inittab.bak > /etc/inittab
 fi
 #
-# Add a2serclk and a2pid to rc.local
+# Add a2joy and a2pid to rc.local
 #
 if [ -f /etc/rc.local ] ; then
 	if ! grep a2pid /etc/rc.local > /dev/null ; then
 		mv /etc/rc.local /etc/rc.local.bak
-		sed -e '/^exit/i\# Start Apple II Pi' -e '/^exit/i\/usr/local/bin/a2serclk' -e '/^exit/i\/usr/local/bin/a2pid --daemon' -e '/^exit/i\wait 1' -e '/^exit/i\/usr/local/bin/a2joy' /etc/rc.local.bak > /etc/rc.local
+		sed -e '/^exit/i\# Start Apple II Pi' -e '/^exit/i\/usr/local/bin/a2pid --daemon' -e '/^exit/i\wait 1' -e '/^exit/i\/usr/local/bin/a2joy' /etc/rc.local.bak > /etc/rc.local
 		chmod +x /etc/rc.local
 	fi
 fi
diff --git a/src/a2pid.c b/src/a2pid.c
index cccef0b..526dd63 100755
--- a/src/a2pid.c
+++ b/src/a2pid.c
@@ -7,6 +7,7 @@
 #include <unistd.h>
 #include <termios.h>
 #include <string.h>
+#include <signal.h>
 #include <netinet/in.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -14,6 +15,10 @@
 #include <linux/input.h>
 #include <linux/uinput.h>
 
+#ifdef SETSERCLK
+#include "gpclk.c"
+#endif
+
 #define BAUDRATE B115200
 #define _POSIX_SOURCE 1 /* POSIX compliant source */
 #define FALSE 0
@@ -586,6 +591,13 @@ void flushreqs(int a2fd, int clidx, int status, int result)
 	}
     }
 }
+static void sig_bye(int signo)
+{
+    /*
+     * Exit gracefully
+     */
+    state = STOP;
+}
 void main(int argc, char **argv)
 {
     struct uinput_user_dev uidev;
@@ -622,6 +634,13 @@ void main(int argc, char **argv)
 	     */
 	    devtty = argv[1];
     }
+    /*
+     * Add signal handlers.
+     */
+    if (signal(SIGINT, sig_bye) == SIG_ERR)
+	die("signal");
+    if (signal(SIGHUP, sig_bye) == SIG_ERR)
+	die("signal");
     /*
      * Create keyboard input device
      */
@@ -709,6 +728,12 @@ void main(int argc, char **argv)
     evrely.type = EV_REL;
     evrely.code = REL_Y;
     evsync.type = EV_SYN;
+#ifdef SETSERCLK
+    /*
+     * Initialize ACIA clock for Apple II Pi card
+     */
+    gpclk(271); /* divisor for ~1.8 MHz => (500/271) MHz */
+#endif
     /*
      * Open serial port.
      */
diff --git a/src/gpclk.c b/src/gpclk.c
index 28e94b7..c34af6e 100755
--- a/src/gpclk.c
+++ b/src/gpclk.c
@@ -67,7 +67,7 @@ void release_io(volatile unsigned int *io_map)
     munmap((void *)io_map, IOMAP_LEN);
 }
 
-void setserclk(void)
+void gpclk(int idiv)
 {
     // I/O access
     volatile unsigned *gpio, *cmgp;
@@ -77,7 +77,7 @@ void setserclk(void)
     cmgp = setup_io(ARM_PERI_BASE + CMGP_OFFSET);
     gpio = setup_io(ARM_PERI_BASE + GPIO_OFFSET);
 
-    // Set Clock Manager to provivede ~1.8432 MHz from 500 MHz source (PLLD)
+    // Set Clock Manager to 500 MHz source (PLLD)
     CMGP_REG(CM_GP0CTL) = (0x5A << 24) // Password
 	                               // Disable
 	                | (1);         // Src = oscillator
@@ -86,7 +86,7 @@ void setserclk(void)
 	                               // Disable
 	                | (6);         // Src = PLLD
     CMGP_REG(CM_GP0DIV) = (0x5A << 24) // Password
-                        | (271 << 12); // IDIV
+                        | ((idiv) << 12); // IDIV
     usleep(1000);
     CMGP_REG(CM_GP0CTL) = (0x5A << 24) // Password
 	                | (1 << 4)     // Enable