mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-11 01:55:38 +08:00
108 lines
3.8 KiB
C
108 lines
3.8 KiB
C
/*
|
|
* Generic uart / rs232/ serial port library
|
|
*
|
|
* Copyright (c) 2013, Roel Verdult
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the copyright holders nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @file uart.h
|
|
*/
|
|
|
|
#ifndef _UART_H_
|
|
#define _UART_H_
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "common.h"
|
|
#include "util_posix.h" // msclock
|
|
|
|
|
|
|
|
#if defined (_WIN32)
|
|
#define SERIAL_PORT_H "com3"
|
|
#elif defined(__APPLE__)
|
|
#define SERIAL_PORT_H "/dev/cu.usbmodem"
|
|
#else
|
|
#define SERIAL_PORT_H "/dev/ttyACM0"
|
|
#endif
|
|
|
|
/* serial_port is declared as a void*, which you should cast to whatever type
|
|
* makes sense to your connection method. Both the posix and win32
|
|
* implementations define their own structs in place.
|
|
*/
|
|
typedef void* serial_port;
|
|
|
|
/* Returned by uart_open if the serial port specified was invalid.
|
|
*/
|
|
#define INVALID_SERIAL_PORT (void*)(~1)
|
|
|
|
/* Returned by uart_open if the serial port specified is in use by another
|
|
* process.
|
|
*/
|
|
#define CLAIMED_SERIAL_PORT (void*)(~2)
|
|
|
|
/* Given a user-specified port name, connect to the port and return a structure
|
|
* used for future references to that port.
|
|
*
|
|
* On errors, this method returns INVALID_SERIAL_PORT or CLAIMED_SERIAL_PORT.
|
|
*/
|
|
serial_port uart_open(const char* pcPortName);
|
|
|
|
/* Closes the given port.
|
|
*/
|
|
void uart_close(const serial_port sp);
|
|
|
|
/* Reads from the given serial port for up to 30ms.
|
|
* pbtRx: A pointer to a buffer for the returned data to be written to.
|
|
* pszMaxRxLen: The maximum data size we want to be sent.
|
|
* pszRxLen: The number of bytes that we were actually sent.
|
|
*
|
|
* Returns TRUE if any data was fetched, even if it was less than pszMaxRxLen.
|
|
*
|
|
* Returns FALSE if there was an error reading from the device. Note that a
|
|
* partial read may have completed into the buffer by the corresponding
|
|
* implementation, so pszRxLen should be checked to see if any data was written.
|
|
*/
|
|
bool uart_receive(const serial_port sp, uint8_t* pbtRx, size_t pszMaxRxLen, size_t* pszRxLen);
|
|
|
|
/* Sends a buffer to a given serial port.
|
|
* pbtTx: A pointer to a buffer containing the data to send.
|
|
* len: The amount of data to be sent.
|
|
*/
|
|
bool uart_send(const serial_port sp, const uint8_t* pbtTx, const size_t len);
|
|
|
|
/* Sets the current speed of the serial port, in baud.
|
|
*/
|
|
bool uart_set_speed(serial_port sp, const uint32_t uiPortSpeed);
|
|
|
|
/* Gets the current speed of the serial port, in baud.
|
|
*/
|
|
uint32_t uart_get_speed(const serial_port sp);
|
|
|
|
#endif // _UART_H_
|
|
|