From 9d0232385b5eb1096a383d9810971a4e0a50c121 Mon Sep 17 00:00:00 2001 From: Steve Markgraf Date: Mon, 16 Jul 2012 21:04:48 +0200 Subject: [PATCH] add debug messages to rtlsdr_read/write_array Signed-off-by: Steve Markgraf --- src/librtlsdr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/librtlsdr.c b/src/librtlsdr.c index 8d82586..781256c 100644 --- 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; }