6.1.2.1. FE_READ_BER¶
6.1.2.1.2. Synopsis¶
-
int
ioctl(int fd, FE_READ_BER, uint32_t *ber)¶
6.1.2.1.3. Arguments¶
fd- File descriptor returned by
open(). ber- The bit error rate is stored into *ber.
6.1.2.1.4. 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.
6.1.2.1.5. Return Value¶
On success 0 is returned.
On error -1 is returned, and the errno variable is set
appropriately.
Generic error codes are described at the Generic Error Codes chapter.