141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
/*
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* Copyright (c) 2020 Fingerprint Cards AB
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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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* https://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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* Modified by Andrey Perminov <andrey.ppp@gmail.com>
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* for FPC BM-Lite applications
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*/
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#ifndef PLATFORM_RPI_H
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#define PLATFORM_RPI_H
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/**
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* @file platform.h
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* @brief Platform specific function interface
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include "fpc_bep_types.h"
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#include "hcp_tiny.h"
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typedef enum {
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COM_INTERFACE = 0,
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SPI_INTERFACE
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} interface_t;
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typedef struct {
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interface_t iface;
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char *port;
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uint32_t baudrate;
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uint32_t timeout;
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HCP_comm_t *hcp_comm;
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} rpi_initparams_t;
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/*
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* Pin definitions for RPI 3
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*/
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#define BMLITE_RESET_PIN 0
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#define BMLITE_IRQ_PIN 22
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#define SPI_CHANNEL 0
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/**
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* @brief Initializes COM Physical layer.
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*
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* @param[in] port tty port to use.
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* @param[in] baudrate Baudrate.
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* @param[in] timeout Timeout in ms. Use 0 for infinity.
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*/
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bool rpi_com_init(char *port, int baudrate, int timeout);
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/**
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* @brief Sends data over communication port in blocking mode.
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*
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* @param[in] size Number of bytes to send.
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* @param[in] data Data buffer to send.
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* @param[in] timeout Timeout in ms. Use 0 for infinity.
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*
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* @return ::fpc_bep_result_t
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*/
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fpc_bep_result_t rpi_com_send(uint16_t size, const uint8_t *data, uint32_t timeout,
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void *session);
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/**
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* @brief Receives data from communication port in blocking mode.
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*
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* @param[in] size Number of bytes to receive.
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* @param[in, out] data Data buffer to fill.
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* @param[in] timeout Timeout in ms. Use 0 for infinity.
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*
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* @return ::fpc_bep_result_t
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*/
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fpc_bep_result_t rpi_com_receive(uint16_t size, uint8_t *data, uint32_t timeout,
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void *session);
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/**
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* @brief Initializes SPI Physical layer.
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*
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* @param[in] speed_hz Baudrate.
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*/
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bool rpi_spi_init(uint32_t speed_hz);
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/**
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* @brief Sends data over communication port in blocking mode.
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*
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* @param[in] size Number of bytes to send.
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* @param[in] data Data buffer to send.
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* @param[in] timeout Timeout in ms. Use 0 for infinity.
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*
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* @return ::fpc_bep_result_t
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*/
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fpc_bep_result_t platform_spi_send(uint16_t size, const uint8_t *data, uint32_t timeout,
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void *session);
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/**
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* @brief Receives data from communication port in blocking mode.
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*
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* @param[in] size Number of bytes to receive.
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* @param[in, out] data Data buffer to fill.
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* @param[in] timeout Timeout in ms. Use 0 for infinity.
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*
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* @return ::fpc_bep_result_t
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*/
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fpc_bep_result_t platform_spi_receive(uint16_t size, uint8_t *data, uint32_t timeout,
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void *session);
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/**
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* @brief Get time in micro seconds
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*
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* @return time in us.
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*/
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// uint64_t platform_get_time(void);
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/**
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* @brief Clear console screen
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*/
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void rpi_clear_screen(void);
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/**
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* @brief Busy wait.
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*
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* @param[in] ms Time to wait [ms].
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* 0 => return immediately
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* 1 => wait at least 1ms etc.
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*/
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void hal_timebase_busy_wait(uint32_t ms);
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#endif /* PLATFORM_RPI_H */
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