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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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//! Get the max send size of the link.
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size_t pulse_link_max_send_size(void);
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//! Begin constructing a packet to send out the PULSE2 link.
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//!
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//! \param protocol encapsulation protocol number
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void *pulse_link_send_begin(uint16_t protocol);
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//! Send a packet out the PULSE2 link.
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//! \param [out] buf buffer containing the packet data to send. Must be
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//! a buffer pointer returned by \ref pulse_link_send_begin.
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//! \param length length of the packet in buf. Must not exceed the value
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//! returned by \ref pulse_link_max_send_size.
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void pulse_link_send(void *buf, size_t length);
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//! Release a transmit buffer without sending the packet.
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//!
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//! \param buf buffer to be released. Must be a buffer pointer returned
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//! by \ref pulse_link_send_begin.
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void pulse_link_send_cancel(void *buf);
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// Use preprocessor magic to generate function signatures for all protocol
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// handler functions.
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#define ON_PACKET(NUMBER, PACKET_HANDLER) \
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void PACKET_HANDLER(void *packet, size_t length);
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#define ON_INIT(INITIALIZER) \
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void INITIALIZER(void);
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#define ON_LINK_STATE_CHANGE(ON_UP, ON_DOWN) \
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void ON_UP(void); \
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void ON_DOWN(void);
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#include "console/pulse2_transport_registry.def"
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#undef ON_PACKET
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#undef ON_INIT
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#undef ON_LINK_STATE_CHANGE
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