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authorKeith Packard <keithp@keithp.com>2009-08-18 12:19:31 -0700
committerKeith Packard <keithp@keithp.com>2009-08-18 14:39:15 -0700
commit9b03d620722dc54630539afba40720c30de69b2d (patch)
tree49450794239dfcfaab32190ccb7c81e2e71c2bbc /ao-tools/lib/cp-usb-async.c
parent7c790fe859dff062692964338091ffbbcdf63257 (diff)
Use --tty/-T on command line to specify target device
Also, use the ALTOS_TTY environment variable in all tools. Note that the magic value of "BITBANG" switches the library to connecting through a CP2103 instead. Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'ao-tools/lib/cp-usb-async.c')
-rw-r--r--ao-tools/lib/cp-usb-async.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ao-tools/lib/cp-usb-async.c b/ao-tools/lib/cp-usb-async.c
index 6539394b..3e75b507 100644
--- a/ao-tools/lib/cp-usb-async.c
+++ b/ao-tools/lib/cp-usb-async.c
@@ -60,6 +60,7 @@ cp_usb_async_open(void)
0x10c4, 0xea60);
cp->ack = -1;
if (!cp->handle) {
+ fprintf(stderr, "Cannot find USB device 10c4:ea60\n");
libusb_exit(cp->ctx);
free(cp);
return NULL;