From 05e1bfcd05798d1ea1a946f4d4eb73e08ac28865 Mon Sep 17 00:00:00 2001
From: michael <michael>
Date: Mon, 2 Apr 2007 11:31:20 +0000
Subject: [PATCH] rename TRENZ define to FORCE_PC3_IDENT and document how to
 enable the define

---
 Makefile     | 13 ++++++-------
 README       |  4 ++--
 usb-driver.c |  2 +-
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/Makefile b/Makefile
index 3325a89..1ce1b06 100644
--- a/Makefile
+++ b/Makefile
@@ -1,16 +1,15 @@
-CFLAGS=-Wall -fPIC
+#Add -DFORCE_PC3_IDENT to CFLAGS to force the identification of
+#a Parallel Cable III
+CFLAGS=-Wall -fPIC #-DFORCE_PC3_IDENT
 
-SOBJECTS=libusb-driver.so libusb-driver-DEBUG.so libusb-driver-trenz.so
+SOBJECTS=libusb-driver.so libusb-driver-DEBUG.so
 
 all: $(SOBJECTS)
 
-libusb-driver.so: usb-driver.c usb-driver.h
+libusb-driver.so: usb-driver.c usb-driver.h Makefile
 	gcc $(CFLAGS) $< -o $@ -ldl -lusb -lpthread -shared
 
-libusb-driver-trenz.so: usb-driver.c usb-driver.h
-	gcc -DTRENZ $(CFLAGS) $< -o $@ -ldl -lusb -lpthread -shared
-
-libusb-driver-DEBUG.so: usb-driver.c usb-driver.h
+libusb-driver-DEBUG.so: usb-driver.c usb-driver.h Makefile
 	gcc -DDEBUG $(CFLAGS) $< -o $@ -ldl -lusb -lpthread -shared
 
 clean:
diff --git a/README b/README
index fcf211a..aa4eefe 100644
--- a/README
+++ b/README
@@ -73,8 +73,8 @@ To use the device as an ordinary user, put the user in the group 'lp'
 
 
 If you have an almost compatible cable which works with other software but not
-with Impact, try preloading libusb-driver-trenz.so instead of libusb-driver.so.
-It includes a hack by Stefan Ziegenbalg to force detection of a parallel cable.
+with Impact, try adding -DFORCE_PC3_IDENT to the CFLAGS line in the Makefile.
+This enables a hack by Stefan Ziegenbalg to force detection of a parallel cable.
 
 
 Parallel Cable IV is currently only supported in 'compatibility mode', as no
diff --git a/usb-driver.c b/usb-driver.c
index c497b50..a34e5e4 100644
--- a/usb-driver.c
+++ b/usb-driver.c
@@ -282,7 +282,7 @@ int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, unsigned char *wd
 		switch(tr->cmdTrans) {
 			case PP_READ:
 				ret = ioctl(parportfd, PPRSTATUS, &val);
-#ifdef TRENZ
+#ifdef FORCE_PC3_IDENT
 				val &= 95;
 				if (last_pp_write & 64)
 					val |= 32;
-- 
2.39.2