2.5.9. ioctl FE_DISEQC_SEND_BURST

2.5.9.1. Name

FE_DISEQC_SEND_BURST - Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.

2.5.9.2. Synopsis

int ioctl(int fd, FE_DISEQC_SEND_BURST, enum fe_sec_mini_cmd *tone)

2.5.9.3. Arguments

fd

File descriptor returned by open().

tone

pointer to enum fe_sec_mini_cmd

2.5.9.4. Description

This ioctl is used to set the generation of a 22kHz tone burst for mini DiSEqC satellite selection for 2x1 switches. This call requires read/write permissions.

It provides support for what’s specified at Digital Satellite Equipment Control (DiSEqC) - Simple “ToneBurst” Detection Circuit specification.

fe_sec_mini_cmd

enum fe_sec_mini_cmd

ID	Description
SEC_MINI_A	Sends a mini-DiSEqC 22kHz ‘0’ Tone Burst to select satellite-A
SEC_MINI_B	Sends a mini-DiSEqC 22kHz ‘1’ Data Burst to select satellite-B

2.5.9.5. 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.