BMLite_RPi/hcp/inc/fpc_com_link.h
Andrey Perminov ee1de8e94d Initial commit
Change-Id: If8b9b540c22ba2c72ec05e9f0fac8dc4499ded0b
2020-04-16 15:17:23 -07:00

66 lines
1.7 KiB
C

/*
* Copyright (c) 2020 Fingerprint Cards AB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file fpc_com_link.h
* @brief Communication link interface.
*/
#ifndef FPC_COM_LINK_H
#define FPC_COM_LINK_H
#include <stdbool.h>
#include <stdint.h>
#include "fpc_com_result.h"
#include "fpc_com_chain.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @brief Sends a packet over the physical link in blocking mode.
*
* @param[in] packet Packet to transmit.
* @param[in] chain The communication chain to use.
* @return ::fpc_com_result_t
*/
fpc_com_result_t fpc_com_link_transmit(fpc_com_packet_link_t *packet, fpc_com_chain_t *chain);
/**
* @brief Receives a packet from the physical link.
*
* @param[in, out] packet Packet to populate.
* @param[in] chain The communication chain to use.
* @return ::fpc_com_result_t
*/
fpc_com_result_t fpc_com_link_receive(fpc_com_packet_link_t *packet, fpc_com_chain_t *chain);
/**
* @brief Returns the overhead of the layer.
*
* @param[out] offset The offset to the packet data.
* @return Overhead size in bytes.
*/
uint16_t fpc_com_link_get_overhead(uint16_t *offset);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* FPC_COM_LINK_H */