6.4.12. ioctl LIRC_SET_SEND_CARRIER¶
6.4.12.1. Name¶
LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX.
6.4.12.2. Synopsis¶
-
int
ioctl
(int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency)¶
6.4.12.3. Arguments¶
fd
- File descriptor returned by open().
frequency
- Frequency of the carrier to be modulated, in Hz.
6.4.12.4. Description¶
Set send carrier used to modulate IR PWM pulses and spaces.
6.4.12.5. 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.