2.6.2.1. FE_READ_BER¶
2.6.2.1.1. Name¶
FE_READ_BER
2.6.2.1.3. Arguments¶
int fd | File descriptor returned by a previous call to open(). |
int request | Equals FE_READ_BER for this command. |
uint32_t *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.