Adding ARYGON ADRA-USB/ADRB-USB reader support
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Roel Verdult
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4188f99a20
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3c2f6a327d
2 changed files with 360 additions and 0 deletions
304
src/rs232.c
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304
src/rs232.c
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/*
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Public platform independent Near Field Communication (NFC) library
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Copyright (C) 2009, Roel Verdult
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Based on rs232-code written by Teunis van Beelen
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available: http://www.teuniz.net/RS-232/index.html
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*/
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#include "rs232.h"
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#ifndef _WIN32 /* Linux */
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typedef struct termios term_info;
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typedef struct {
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int fd; // Serial port file descriptor
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term_info tiOld; // Terminal info before using the port
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term_info tiNew; // Terminal info during the transaction
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} serial_port_unix;
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// Set time-out on 30 miliseconds
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struct timeval tv = {
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.tv_sec = 0, // No seconds
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.tv_usec = 30000 // 30,000 micro seconds
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};
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// Work-around to claim rs232 interface using the c_iflag (software input processing) from the termios struct
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#define CCLAIMED 0x80000000
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serial_port rs232_open(const char* pcPortName)
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{
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serial_port_unix* sp = malloc(sizeof(serial_port_unix));
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if (sp == 0) return INVALID_SERIAL_PORT;
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sp->fd = open(pcPortName, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK);
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if(sp->fd == -1)
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{
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rs232_close(sp);
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return INVALID_SERIAL_PORT;
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}
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if(tcgetattr(sp->fd,&sp->tiOld) == -1)
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{
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rs232_close(sp);
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return INVALID_SERIAL_PORT;
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}
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// Make sure the port is not claimed already
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if (sp->tiOld.c_iflag & CCLAIMED)
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{
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rs232_close(sp);
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return CLAIMED_SERIAL_PORT;
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}
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// Copy the old terminal info struct
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sp->tiNew = sp->tiOld;
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sp->tiNew.c_cflag = CS8 | CLOCAL | CREAD;
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sp->tiNew.c_iflag = CCLAIMED | IGNPAR;
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sp->tiNew.c_oflag = 0;
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sp->tiNew.c_lflag = 0;
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sp->tiNew.c_cc[VMIN] = 0; // block untill n bytes are received
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sp->tiNew.c_cc[VTIME] = 0; // block untill a timer expires (n * 100 mSec.)
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if(tcsetattr(sp->fd,TCSANOW,&sp->tiNew) == -1)
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{
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rs232_close(sp);
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return INVALID_SERIAL_PORT;
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}
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return sp;
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}
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void rs232_close(const serial_port sp)
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{
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tcsetattr(((serial_port_unix*)sp)->fd,TCSANOW,&((serial_port_unix*)sp)->tiOld);
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close(((serial_port_unix*)sp)->fd);
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free(sp);
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}
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bool rs232_cts(const serial_port sp)
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{
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ulong ulStatus;
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if (ioctl(((serial_port_unix*)sp)->fd,TIOCMGET,&ulStatus) < 0) return false;
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return (ulStatus & TIOCM_CTS);
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}
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bool rs232_receive(const serial_port sp, byte* pbtRx, ui32* puiRxLen)
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{
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int iResult;
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ui32 uiCount = 0;
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fd_set rfds;
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while (true)
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{
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// Reset file descriptor
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FD_ZERO(&rfds);
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FD_SET(((serial_port_unix*)sp)->fd,&rfds);
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iResult = select(((serial_port_unix*)sp)->fd+1, &rfds, NULL, NULL, &tv);
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// Read error
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if (iResult < 0) return false;
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// Read time-out
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if (iResult == 0)
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{
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// Test if we at least have received something
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if (uiCount == 0) return false;
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// Store the received byte count and return succesful
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*puiRxLen = uiCount;
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return true;
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}
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// There is something available, read the data
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uiCount += read(((serial_port_unix*)sp)->fd,pbtRx+uiCount,*puiRxLen-uiCount);
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}
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}
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bool rs232_send(const serial_port sp, const byte* pbtTx, const ui32 uiTxLen)
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{
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int iResult;
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iResult = write(((serial_port_unix*)sp)->fd,pbtTx,uiTxLen);
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return (iResult >= 0);
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}
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#else /* windows */
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HANDLE Cport[16];
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char comports[16][10]={"\\\\.\\COM1", "\\\\.\\COM2", "\\\\.\\COM3", "\\\\.\\COM4",
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"\\\\.\\COM5", "\\\\.\\COM6", "\\\\.\\COM7", "\\\\.\\COM8",
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"\\\\.\\COM9", "\\\\.\\COM10", "\\\\.\\COM11", "\\\\.\\COM12",
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"\\\\.\\COM13", "\\\\.\\COM14", "\\\\.\\COM15", "\\\\.\\COM16"};
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char baudr[64];
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int OpenComport(int comport_number, int baudrate)
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{
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if((comport_number>15)||(comport_number<0))
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{
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printf("illegal comport number\n");
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return(1);
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}
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switch(baudrate)
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{
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sscanf(baudr,"baud=%d data=8 parity=N stop=1",baudrate);
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/*
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case 110 : strcpy(baudr, "baud=110 data=8 parity=N stop=1");
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break;
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case 300 : strcpy(baudr, "baud=300 data=8 parity=N stop=1");
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break;
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case 600 : strcpy(baudr, "baud=600 data=8 parity=N stop=1");
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break;
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case 1200 : strcpy(baudr, "baud=1200 data=8 parity=N stop=1");
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break;
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case 2400 : strcpy(baudr, "baud=2400 data=8 parity=N stop=1");
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break;
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case 4800 : strcpy(baudr, "baud=4800 data=8 parity=N stop=1");
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break;
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case 9600 : strcpy(baudr, "baud=9600 data=8 parity=N stop=1");
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break;
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case 19200 : strcpy(baudr, "baud=19200 data=8 parity=N stop=1");
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break;
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case 38400 : strcpy(baudr, "baud=38400 data=8 parity=N stop=1");
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break;
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case 57600 : strcpy(baudr, "baud=57600 data=8 parity=N stop=1");
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break;
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case 115200 : strcpy(baudr, "baud=115200 data=8 parity=N stop=1");
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break;
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case 128000 : strcpy(baudr, "baud=128000 data=8 parity=N stop=1");
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break;
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case 256000 : strcpy(baudr, "baud=256000 data=8 parity=N stop=1");
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break;
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default : printf("invalid baudrate\n");
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return(1);
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break;
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*/
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}
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Cport[comport_number] = CreateFileA(comports[comport_number],
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GENERIC_READ|GENERIC_WRITE,
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0, /* no share */
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NULL, /* no security */
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OPEN_EXISTING,
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0, /* no threads */
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NULL); /* no templates */
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if(Cport[comport_number]==INVALID_HANDLE_VALUE)
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{
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printf("unable to open comport\n");
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return(1);
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}
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DCB port_settings;
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memset(&port_settings, 0, sizeof(port_settings)); /* clear the new struct */
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port_settings.DCBlength = sizeof(port_settings);
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if(!BuildCommDCBA(baudr, &port_settings))
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{
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printf("unable to set comport dcb settings\n");
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CloseHandle(Cport[comport_number]);
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return(1);
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}
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if(!SetCommState(Cport[comport_number], &port_settings))
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{
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printf("unable to set comport cfg settings\n");
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CloseHandle(Cport[comport_number]);
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return(1);
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}
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COMMTIMEOUTS Cptimeouts;
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Cptimeouts.ReadIntervalTimeout = MAXDWORD;
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Cptimeouts.ReadTotalTimeoutMultiplier = 0;
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Cptimeouts.ReadTotalTimeoutConstant = 0;
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Cptimeouts.WriteTotalTimeoutMultiplier = 0;
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Cptimeouts.WriteTotalTimeoutConstant = 0;
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if(!SetCommTimeouts(Cport[comport_number], &Cptimeouts))
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{
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printf("unable to set comport time-out settings\n");
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CloseHandle(Cport[comport_number]);
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return(1);
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}
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return(0);
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}
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int PollComport(int comport_number, unsigned char *buf, int size)
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{
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int n;
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if(size>4096) size = 4096;
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/* added the void pointer cast, otherwise gcc will complain about */
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/* "warning: dereferencing type-punned pointer will break strict aliasing rules" */
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ReadFile(Cport[comport_number], buf, size, (LPDWORD)((void *)&n), NULL);
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return(n);
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}
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int SendByte(int comport_number, unsigned char byte)
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{
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int n;
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WriteFile(Cport[comport_number], &byte, 1, (LPDWORD)((void *)&n), NULL);
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if(n<0) return(1);
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return(0);
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}
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int SendBuf(int comport_number, unsigned char *buf, int size)
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{
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int n;
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if(WriteFile(Cport[comport_number], buf, size, (LPDWORD)((void *)&n), NULL))
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{
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return(n);
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}
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return(-1);
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}
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bool rs232_cts(const serial_port sp);
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{
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int status;
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GetCommModemStatus(Cport[comport_number], (LPDWORD)((void *)&status));
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if(status&MS_CTS_ON) return(1);
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else return(0);
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}
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void CloseComport(int comport_number)
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{
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CloseHandle(Cport[comport_number]);
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}
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#endif
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56
src/rs232.h
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56
src/rs232.h
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/*
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Public platform independent Near Field Communication (NFC) library
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Copyright (C) 2009, Roel Verdult
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU 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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#ifndef _LIBNFC_RS232_H_
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#define _LIBNFC_RS232_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 "defines.h"
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#include "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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#else
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#include <windows.h>
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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 rs232_open(const char* pcPortName);
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void rs232_close(const serial_port sp);
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bool rs232_cts(const serial_port sp);
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bool rs232_receive(const serial_port sp, byte* pbtRx, ui32* puiRxLen);
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bool rs232_send(const serial_port sp, const byte* pbtTx, const ui32 uiTxLen);
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#endif // _LIBNFC_RS232_H_
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