]> git.zerfleddert.de Git - proxmark3-svn/blame - uart/uart.h
fix truncation issue on "lf t55 config" modulation
[proxmark3-svn] / uart / uart.h
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5bcc76c4 1/*
13dbdd6b 2 * Generic uart / rs232/ serial port library
5bcc76c4 3 *
13dbdd6b 4 * Copyright (c) 2013, Roel Verdult
5bcc76c4 5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the copyright holders nor the
15 * names of its contributors may be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * @file uart.h
5bcc76c4 30 */
31
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32#ifndef _PM3_UART_H_
33#define _PM3_UART_H_
5bcc76c4 34
35#include <stdio.h>
36#include <string.h>
37#include <stdlib.h>
38
39#include <stdint.h>
40#include <stdbool.h>
41
f5ecd97b 42/* Used to substitute for an example serial port path on each platform.
43 */
44#ifdef _WIN32
45#define SERIAL_PORT_H "com3"
46#elif __APPLE__
47#define SERIAL_PORT_H "/dev/tty.usbmodem*"
48#else
49#define SERIAL_PORT_H "/dev/ttyACM0"
50#endif
5bcc76c4 51
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52/* serial_port is declared as a void*, which you should cast to whatever type
53 * makes sense to your connection method. Both the posix and win32
54 * implementations define their own structs in place.
55 */
5bcc76c4 56typedef void* serial_port;
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57
58/* Returned by uart_open if the serial port specified was invalid.
59 */
5bcc76c4 60#define INVALID_SERIAL_PORT (void*)(~1)
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61
62/* Returned by uart_open if the serial port specified is in use by another
63 * process.
64 */
5bcc76c4 65#define CLAIMED_SERIAL_PORT (void*)(~2)
66
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67/* Given a user-specified port name, connect to the port and return a structure
68 * used for future references to that port.
69 *
70 * On errors, this method returns INVALID_SERIAL_PORT or CLAIMED_SERIAL_PORT.
71 */
5bcc76c4 72serial_port uart_open(const char* pcPortName);
5bcc76c4 73
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74/* Closes the given port.
75 */
76void uart_close(const serial_port sp);
5bcc76c4 77
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78/* Reads from the given serial port for up to 30ms.
79 * pbtRx: A pointer to a buffer for the returned data to be written to.
80 * pszMaxRxLen: The maximum data size we want to be sent.
81 * pszRxLen: The number of bytes that we were actually sent.
82 *
83 * Returns TRUE if any data was fetched, even if it was less than pszMaxRxLen.
84 *
85 * Returns FALSE if there was an error reading from the device. Note that a
86 * partial read may have completed into the buffer by the corresponding
87 * implementation, so pszRxLen should be checked to see if any data was written.
88 */
f5ecd97b 89bool uart_receive(const serial_port sp, uint8_t* pbtRx, size_t pszMaxRxLen, size_t* pszRxLen);
62ee4fed 90
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91/* Sends a buffer to a given serial port.
92 * pbtTx: A pointer to a buffer containing the data to send.
93 * szTxLen: The amount of data to be sent.
94 */
f5ecd97b 95bool uart_send(const serial_port sp, const uint8_t* pbtTx, const size_t szTxLen);
5bcc76c4 96
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97/* Sets the current speed of the serial port, in baud.
98 */
99bool uart_set_speed(serial_port sp, const uint32_t uiPortSpeed);
100
101/* Gets the current speed of the serial port, in baud.
102 */
103uint32_t uart_get_speed(const serial_port sp);
5bcc76c4 104
067bfc8b 105#endif // _PM3_UART_H_
5bcc76c4 106
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