6.5.10. ioctl LIRC_SET_REC_CARRIER¶
6.5.10.1. Name¶
LIRC_SET_REC_CARRIER - Set carrier used to modulate IR receive.
6.5.10.3. Arguments¶
fd- File descriptor returned by open().
frequency- Frequency of the carrier that modulates PWM data, in Hz.
6.5.10.4. Description¶
Set receive carrier used to modulate IR PWM pulses and spaces.
Note
If called together with ioctl LIRC_SET_REC_CARRIER_RANGE, this ioctl sets the upper bound frequency that will be recognized by the device.
6.5.10.5. 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.