add debug messages to rtlsdr_read/write_array

Signed-off-by: Steve Markgraf <steve@steve-m.de>
13 years ago · 9d0232385b
parent 42a6592e63
commit 9d0232385b
1 changed files with 6 additions and 0 deletions
--- a/src/librtlsdr.c
+++ b/src/librtlsdr.c
@ -279,6 +279,9 @@ int rtlsdr_read_array(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t *

 	r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, array, len, CTRL_TIMEOUT);

+	if (r < 0)
+		fprintf(stderr, "%s failed with %d\n", __FUNCTION__, r);
+
 	return r;
 }

@ -289,6 +292,9 @@ int rtlsdr_write_array(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t

 	r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, array, len, CTRL_TIMEOUT);

+	if (r < 0)
+		fprintf(stderr, "%s failed with %d\n", __FUNCTION__, r);
+
 	return r;
 }