mirror/rtl-sdr-blog
1
0
Fork 0
mirror of https://github.com/rtlsdrblog/rtl-sdr-blog.git synced 2024-12-27 03:18:30 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

use timeouts for control transfers

Browse Source 
Signed-off-by: Steve Markgraf <steve@steve-m.de>
This commit is contained in:
Steve Markgraf 2012-04-04 21:47:20 +02:00
parent cdd6c488a3
commit 003446e508
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/rtl-sdr.c
View File

@ -154,6 +154,7 @@ typedef struct rtlsdr_dev {
#define CTRL_IN (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_IN) #define CTRL_IN (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_IN)
#define CTRL_OUT (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT) #define CTRL_OUT (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT)
#define CTRL_TIMEOUT 300
enum usb_reg { enum usb_reg {
USB_SYSCTL = 0x2000, USB_SYSCTL = 0x2000,
@ -197,7 +198,7 @@ int rtlsdr_read_array(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t *
int r; int r;
uint16_t index = (block << 8); uint16_t index = (block << 8);
r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, array, len, 0); r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, array, len, CTRL_TIMEOUT);
return r; return r;
} }
@ -207,7 +208,7 @@ int rtlsdr_write_array(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t
int r; int r;
uint16_t index = (block << 8) | 0x10; uint16_t index = (block << 8) | 0x10;
r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, array, len, 0); r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, array, len, CTRL_TIMEOUT);
return r; return r;
} }
@ -260,7 +261,7 @@ uint16_t rtlsdr_read_reg(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_
uint16_t index = (block << 8); uint16_t index = (block << 8);
uint16_t reg; uint16_t reg;
r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, data, len, 0); r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, data, len, CTRL_TIMEOUT);
if (r < 0) if (r < 0)
fprintf(stderr, "%s failed\n", __FUNCTION__); fprintf(stderr, "%s failed\n", __FUNCTION__);
@ -284,7 +285,7 @@ void rtlsdr_write_reg(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint16_t
data[1] = val & 0xff; data[1] = val & 0xff;
r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, data, len, 0); r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, data, len, CTRL_TIMEOUT);
if (r < 0) if (r < 0)
fprintf(stderr, "%s failed\n", __FUNCTION__); fprintf(stderr, "%s failed\n", __FUNCTION__);
@ -299,7 +300,7 @@ uint16_t rtlsdr_demod_read_reg(rtlsdr_dev_t *dev, uint8_t page, uint8_t addr, ui
uint16_t reg; uint16_t reg;
addr = (addr << 8) | 0x20; addr = (addr << 8) | 0x20;
r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, data, len, 0); r = libusb_control_transfer(dev->devh, CTRL_IN, 0, addr, index, data, len, CTRL_TIMEOUT);
if (r < 0) if (r < 0)
fprintf(stderr, "%s failed\n", __FUNCTION__); fprintf(stderr, "%s failed\n", __FUNCTION__);
@ -323,7 +324,7 @@ void rtlsdr_demod_write_reg(rtlsdr_dev_t *dev, uint8_t page, uint16_t addr, uint
data[1] = val & 0xff; data[1] = val & 0xff;
r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, data, len, 0); r = libusb_control_transfer(dev->devh, CTRL_OUT, 0, addr, index, data, len, CTRL_TIMEOUT);
if (r < 0) if (r < 0)
fprintf(stderr, "%s failed\n", __FUNCTION__); fprintf(stderr, "%s failed\n", __FUNCTION__);