6.1.2.1. FE_READ_BER

6.1.2.1.1. Name

FE_READ_BER

注意

This ioctl is deprecated.

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.