6.5.12. ioctl LIRC_SET_SEND_CARRIER¶
6.5.12.1. Name¶
LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX.
6.5.12.2. Synopsis¶
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LIRC_SET_SEND_CARRIER¶
int ioctl(int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency)
6.5.12.3. Arguments¶
fd
File descriptor returned by open().
frequency
Frequency of the carrier to be modulated, in Hz.
6.5.12.4. Description¶
Set send carrier used to modulate IR PWM pulses and spaces.
6.5.12.5. 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.