90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*-
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* Public platform independent Near Field Communication (NFC) library
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*
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* Copyright (C) 2009, 2010, Roel Verdult, Romuald Conty
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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/**
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* @file uart.h
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* @brief UART driver header
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*/
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#ifndef __NFC_BUS_UART_H__
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# define __NFC_BUS_UART_H__
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# include <stdio.h>
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# include <string.h>
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# include <stdlib.h>
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# include <nfc/nfc-types.h>
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// Handle platform specific includes
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# ifndef _WIN32
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# include <termios.h>
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# include <sys/ioctl.h>
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# include <unistd.h>
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# include <fcntl.h>
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <limits.h>
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# include <sys/time.h>
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// unistd.h is needed for usleep() fct.
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# include <unistd.h>
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# define delay_ms( X ) usleep( X * 1000 )
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# else
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# include <windows.h>
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# define snprintf _snprintf
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# define strdup _strdup
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# define delay_ms( X ) Sleep( X )
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# endif
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// Path to the serial port is OS-dependant.
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// Try to guess what we should use.
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//
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// XXX: Some review from users cross-compiling is welcome!
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# if defined (_WIN32)
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# define DEFAULT_SERIAL_PORTS { "COM1", "COM2", "COM3", "COM4", NULL }
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# elif defined(__APPLE__)
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// XXX: find UART connection string for PN53X device on Mac OS X when multiples devices are used
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# define DEFAULT_SERIAL_PORTS { "/dev/tty.SLAB_USBtoUART", NULL }
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# elif defined (__FreeBSD__) || defined (__OpenBSD__)
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// XXX: Not tested
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# define DEFAULT_SERIAL_PORTS { "/dev/cuau0", "/dev/cuau1", "/dev/cuau2", "/dev/cuau3", NULL }
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# elif defined (__linux__)
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# define DEFAULT_SERIAL_PORTS { "/dev/ttyUSB0", "/dev/ttyUSB1", "/dev/ttyUSB2", "/dev/ttyUSB3", "/dev/tty0", "/dev/tty1", "/dev/tty2", "/dev/tty3", NULL }
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# else
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# error "Can't determine serial string for your system"
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# endif
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// Define shortcut to types to make code more readable
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typedef void *serial_port;
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# define INVALID_SERIAL_PORT (void*)(~1)
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# define CLAIMED_SERIAL_PORT (void*)(~2)
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serial_port uart_open (const char *pcPortName);
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void uart_close (const serial_port sp);
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void uart_set_speed (serial_port sp, const uint32_t uiPortSpeed);
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uint32_t uart_get_speed (const serial_port sp);
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int uart_receive (serial_port sp, byte_t * pbtRx, size_t * pszRxLen);
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int uart_send (serial_port sp, const byte_t * pbtTx, const size_t szTxLen);
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#endif // __NFC_BUS_UART_H__
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