27 lines
567 B
C
27 lines
567 B
C
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// SPDX-License-Identifier: GPL-2.0
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// test ir decoder
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//
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// Copyright (C) 2018 Sean Young <sean@mess.org>
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#include <linux/bpf.h>
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#include <linux/lirc.h>
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#include <bpf/bpf_helpers.h>
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SEC("lirc_mode2")
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int bpf_decoder(unsigned int *sample)
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{
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if (LIRC_IS_PULSE(*sample)) {
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unsigned int duration = LIRC_VALUE(*sample);
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if (duration & 0x10000)
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bpf_rc_keydown(sample, 0x40, duration & 0xffff, 0);
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if (duration & 0x20000)
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bpf_rc_pointer_rel(sample, (duration >> 8) & 0xff,
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duration & 0xff);
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}
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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