2.6.2.1. FE_READ_BER¶
2.6.2.1.2. Synopsis¶
-
int
ioctl
(int fd, FE_READ_BER, uint32_t *ber)¶
2.6.2.1.3. Arguments¶
fd
- File descriptor returned by
open()
. ber
- The bit error rate is stored into *ber.
2.6.2.1.4. Description¶
This ioctl call returns the bit error rate for the signal currently received/demodulated by the front-end. For this command, read-only access to the device is sufficient.
2.6.2.1.5. Return Value¶
On success 0 is returned, on error -1 and the errno
variable is set
appropriately. The generic error codes are described at the
Generic Error Codes chapter.