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rtl-sdr
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use timeouts for control transfers 

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
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13
src/rtl-sdr.c
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@ -154,6 +154,7 @@ typedef struct rtlsdr_dev {
#define CTRL_IN (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_IN)
#define CTRL_OUT (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT)
#define CTRL_TIMEOUT 300
enum usb_reg {
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;
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;
}
@ -207,7 +208,7 @@ int rtlsdr_write_array(rtlsdr_dev_t *dev, uint8_t block, uint16_t addr, uint8_t
int r;
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;
}
@ -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 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)
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;
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)
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;
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)
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;
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)
fprintf(stderr, "%s failed\n", __FUNCTION__);