5.3.13. ioctl LIRC_SET_SEND_CARRIER
5.3.13.1. Name
LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX.
5.3.13.2. Synopsis
-
int ioctl(int fd, int request, __u32* frequency)
5.3.13.3. Arguments
- fd
- File descriptor returned by open().
- request
- LIRC_SET_SEND_CARRIER
- frequency
- Frequency of the carrier to be modulated, in Hz.
5.3.13.4. Description
Set send carrier used to modulate IR PWM pulses and spaces.
5.3.13.5. 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.