X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/52244230d318b663c5a389d57713e16139f0e069..067bfc8b762f86d5ebb65ecca9e1ba3a304ecd84:/client/uart.c

diff --git a/client/uart.c b/client/uart.c
deleted file mode 100644
index 4b2fee99..00000000
--- a/client/uart.c
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * 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.c
- * @brief
- *
- */
-
-#include "uart.h"
-
-// Test if we are dealing with unix operating systems
-#ifndef _WIN32
-
-#include <termios.h>
-typedef struct termios term_info;
-typedef struct {
-  int fd;           // Serial port file descriptor
-  term_info tiOld;  // Terminal info before using the port
-  term_info tiNew;  // Terminal info during the transaction
-} serial_port_unix;
-
-// Set time-out on 30 miliseconds
-const struct timeval timeout = {
-  .tv_sec  =     0, // 0 second
-  .tv_usec = 30000  // 30000 micro seconds
-};
-
-serial_port uart_open(const char* pcPortName)
-{
-  serial_port_unix* sp = malloc(sizeof(serial_port_unix));
-  if (sp == 0) return INVALID_SERIAL_PORT;
-  
-  sp->fd = open(pcPortName, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK);
-  if(sp->fd == -1) {
-    uart_close(sp);
-    return INVALID_SERIAL_PORT;
-  }
-
-  // Finally figured out a way to claim a serial port interface under unix
-  // We just try to set a (advisory) lock on the file descriptor
-  struct flock fl;
-  fl.l_type   = F_WRLCK;
-  fl.l_whence = SEEK_SET;
-  fl.l_start  = 0;
-  fl.l_len    = 0;
-  fl.l_pid    = getpid();
-  
-  // Does the system allows us to place a lock on this file descriptor
-  if (fcntl(sp->fd, F_SETLK, &fl) == -1) {
-    // A conflicting lock is held by another process
-    free(sp);
-    return CLAIMED_SERIAL_PORT;
-  }
-
-  // Try to retrieve the old (current) terminal info struct
-  if(tcgetattr(sp->fd,&sp->tiOld) == -1) {
-    uart_close(sp);
-    return INVALID_SERIAL_PORT;
-  }
-  
-  // Duplicate the (old) terminal info struct
-  sp->tiNew = sp->tiOld;
-  
-  // Configure the serial port
-  sp->tiNew.c_cflag = CS8 | CLOCAL | CREAD;
-  sp->tiNew.c_iflag = IGNPAR;
-  sp->tiNew.c_oflag = 0;
-  sp->tiNew.c_lflag = 0;
-    
-  // Block until n bytes are received
-  sp->tiNew.c_cc[VMIN] = 0;
-  // Block until a timer expires (n * 100 mSec.)
-  sp->tiNew.c_cc[VTIME] = 0;
-  
-  // Try to set the new terminal info struct
-  if(tcsetattr(sp->fd,TCSANOW,&sp->tiNew) == -1) {
-    uart_close(sp);
-    return INVALID_SERIAL_PORT;
-  }
-  
-  // Flush all lingering data that may exist
-  tcflush(sp->fd, TCIOFLUSH);
-
-  return sp;
-}
-
-void uart_close(const serial_port sp) {
-  serial_port_unix* spu = (serial_port_unix*)sp;
-  tcflush(spu->fd,TCIOFLUSH);
-  tcsetattr(spu->fd,TCSANOW,&(spu->tiOld));
-  struct flock fl;
-  fl.l_type   = F_UNLCK;
-  fl.l_whence = SEEK_SET;
-  fl.l_start  = 0;
-  fl.l_len    = 0;
-  fl.l_pid    = getpid();
-  fcntl(spu->fd, F_SETLK, &fl);
-  close(spu->fd);
-  free(sp);
-}
-
-bool uart_set_speed(serial_port sp, const uint32_t uiPortSpeed) {
-  const serial_port_unix* spu = (serial_port_unix*)sp;
-  speed_t stPortSpeed;
-  switch (uiPortSpeed) {
-    case 0: stPortSpeed = B0; break;
-    case 50: stPortSpeed = B50; break;
-    case 75: stPortSpeed = B75; break;
-    case 110: stPortSpeed = B110; break;
-    case 134: stPortSpeed = B134; break;
-    case 150: stPortSpeed = B150; break;
-    case 300: stPortSpeed = B300; break;
-    case 600: stPortSpeed = B600; break;
-    case 1200: stPortSpeed = B1200; break;
-    case 1800: stPortSpeed = B1800; break;
-    case 2400: stPortSpeed = B2400; break;
-    case 4800: stPortSpeed = B4800; break;
-    case 9600: stPortSpeed = B9600; break;
-    case 19200: stPortSpeed = B19200; break;
-    case 38400: stPortSpeed = B38400; break;
-#  ifdef B57600
-    case 57600: stPortSpeed = B57600; break;
-#  endif
-#  ifdef B115200
-    case 115200: stPortSpeed = B115200; break;
-#  endif
-#  ifdef B230400
-    case 230400: stPortSpeed = B230400; break;
-#  endif
-#  ifdef B460800
-    case 460800: stPortSpeed = B460800; break;
-#  endif
-#  ifdef B921600
-    case 921600: stPortSpeed = B921600; break;
-#  endif
-    default: return false;
-  };
-  struct termios ti;
-  if (tcgetattr(spu->fd,&ti) == -1) return false;
-  // Set port speed (Input and Output)
-  cfsetispeed(&ti,stPortSpeed);
-  cfsetospeed(&ti,stPortSpeed);
-  return (tcsetattr(spu->fd,TCSANOW,&ti) != -1);
-}
-
-uint32_t uart_get_speed(const serial_port sp) {
-  struct termios ti;
-  uint32_t uiPortSpeed;
-  const serial_port_unix* spu = (serial_port_unix*)sp;
-  if (tcgetattr(spu->fd,&ti) == -1) return 0;
-  // Set port speed (Input)
-  speed_t stPortSpeed = cfgetispeed(&ti);
-  switch (stPortSpeed) {
-    case B0: uiPortSpeed = 0; break;
-    case B50: uiPortSpeed = 50; break;
-    case B75: uiPortSpeed = 75; break;
-    case B110: uiPortSpeed = 110; break;
-    case B134: uiPortSpeed = 134; break;
-    case B150: uiPortSpeed = 150; break;
-    case B300: uiPortSpeed = 300; break;
-    case B600: uiPortSpeed = 600; break;
-    case B1200: uiPortSpeed = 1200; break;
-    case B1800: uiPortSpeed = 1800; break;
-    case B2400: uiPortSpeed = 2400; break;
-    case B4800: uiPortSpeed = 4800; break;
-    case B9600: uiPortSpeed = 9600; break;
-    case B19200: uiPortSpeed = 19200; break;
-    case B38400: uiPortSpeed = 38400; break;
-#  ifdef B57600
-    case B57600: uiPortSpeed = 57600; break;
-#  endif
-#  ifdef B115200
-    case B115200: uiPortSpeed = 115200; break;
-#  endif
-#  ifdef B230400
-    case B230400: uiPortSpeed = 230400; break;
-#  endif
-#  ifdef B460800
-    case B460800: uiPortSpeed = 460800; break;
-#  endif
-#  ifdef B921600
-    case B921600: uiPortSpeed = 921600; break;
-#  endif
-    default: return 0;
-  };
-  return uiPortSpeed;
-}
-
-bool uart_set_parity(serial_port sp, serial_port_parity spp) {
-  struct termios ti;
-  const serial_port_unix* spu = (serial_port_unix*)sp;
-  if (tcgetattr(spu->fd,&ti) == -1) return false;
-  switch(spp) {
-    case SP_INVALID: return false;
-    case SP_NONE: ti.c_cflag &= ~(PARENB | PARODD); break;
-    case SP_EVEN: ti.c_cflag |= PARENB; ti.c_cflag &= ~(PARODD); break;
-    case SP_ODD: ti.c_cflag |= PARENB | PARODD; break;
-  }
-  return (tcsetattr(spu->fd,TCSANOW,&ti) != -1);
-}
-
-serial_port_parity uart_get_parity(const serial_port sp) {
-  struct termios ti;
-  const serial_port_unix* spu = (serial_port_unix*)sp;
-  if (tcgetattr(spu->fd,&ti) == -1) return SP_INVALID;
-  
-  if (ti.c_cflag & PARENB) {
-    if (ti.c_cflag & PARODD) {
-      return SP_ODD;
-    } else {
-      return SP_EVEN;
-    }
-  } else {
-    return SP_NONE;
-  }
-}
-
-bool uart_cts(const serial_port sp) {
-  char status;
-  if (ioctl(((serial_port_unix*)sp)->fd,TIOCMGET,&status) < 0) return false;
-  return (status & TIOCM_CTS);
-}
-
-bool uart_receive(const serial_port sp, byte_t* pbtRx, size_t* pszRxLen) {
-
-  int res;
-  int byteCount;
-  fd_set rfds;
-  struct timeval tv;
-  
-  // Reset the output count
-  *pszRxLen = 0;
-  
-  do {
-    // Reset file descriptor
-    FD_ZERO(&rfds);
-    FD_SET(((serial_port_unix*)sp)->fd,&rfds);
-    tv = timeout;
-    res = select(((serial_port_unix*)sp)->fd+1, &rfds, NULL, NULL, &tv);
-    
-    // Read error
-    if (res < 0) {
-      return false;
-    }
- 
-    // Read time-out
-    if (res == 0) {
-      if (*pszRxLen == 0) {
-        // Error, we received no data
-        return false;
-      } else {
-        // We received some data, but nothing more is available
-        return true;
-      }
-    }
- 
-    // Retrieve the count of the incoming bytes
-    res = ioctl(((serial_port_unix*)sp)->fd, FIONREAD, &byteCount);
-    if (res < 0) return false;
-
-    // There is something available, read the data
-    res = read(((serial_port_unix*)sp)->fd,pbtRx+(*pszRxLen),byteCount);
-
-    // Stop if the OS has some troubles reading the data
-    if (res <= 0) return false;
- 
-    *pszRxLen += res;
-
-    if(res==byteCount)
-        return true;
-    
-  } while (byteCount);
-
-  return true;
-}
-
-bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen) {
-  int32_t res;
-  size_t szPos = 0;
-  fd_set rfds;
-  struct timeval tv;
-  
-  while (szPos < szTxLen) {
-    // Reset file descriptor
-    FD_ZERO(&rfds);
-    FD_SET(((serial_port_unix*)sp)->fd,&rfds);
-    tv = timeout;
-    res = select(((serial_port_unix*)sp)->fd+1, NULL, &rfds, NULL, &tv);
-    
-    // Write error
-    if (res < 0) {
-      return false;
-    }
-    
-    // Write time-out
-    if (res == 0) {
-      return false;
-    }
-    
-    // Send away the bytes
-    res = write(((serial_port_unix*)sp)->fd,pbtTx+szPos,szTxLen-szPos);
-    
-    // Stop if the OS has some troubles sending the data
-    if (res <= 0) return false;
-    
-    szPos += res;
-  }
-  return true;
-}
-
-#else
-// The windows serial port implementation
-
-typedef struct {
-  HANDLE hPort;     // Serial port handle
-  DCB dcb;          // Device control settings
-  COMMTIMEOUTS ct;  // Serial port time-out configuration
-} serial_port_windows;
-
-void upcase(char *p) {
-  while(*p != '\0') {
-    if(*p >= 97 && *p <= 122) {
-      *p -= 32;
-    }
-    ++p;
-  }
-}
-
-serial_port uart_open(const char* pcPortName) {
-  char acPortName[255];
-  serial_port_windows* sp = malloc(sizeof(serial_port_windows));
-  
-  // Copy the input "com?" to "\\.\COM?" format
-  sprintf(acPortName,"\\\\.\\%s",pcPortName);
-  upcase(acPortName);
-  
-  // Try to open the serial port
-  sp->hPort = CreateFileA(acPortName,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);
-  if (sp->hPort == INVALID_HANDLE_VALUE) {
-    uart_close(sp);
-    return INVALID_SERIAL_PORT;
-  }
-  
-  // Prepare the device control
-  memset(&sp->dcb, 0, sizeof(DCB));
-  sp->dcb.DCBlength = sizeof(DCB);
-  if(!BuildCommDCBA("baud=9600 data=8 parity=N stop=1",&sp->dcb)) {
-    uart_close(sp);
-    return INVALID_SERIAL_PORT;
-  }
-  
-  // Update the active serial port
-  if(!SetCommState(sp->hPort,&sp->dcb)) {
-    uart_close(sp);
-    return INVALID_SERIAL_PORT;
-  }
-  
-  sp->ct.ReadIntervalTimeout         = 0;
-  sp->ct.ReadTotalTimeoutMultiplier  = 0;
-  sp->ct.ReadTotalTimeoutConstant    = 30;
-  sp->ct.WriteTotalTimeoutMultiplier = 0;
-  sp->ct.WriteTotalTimeoutConstant   = 30;
-  
-  if(!SetCommTimeouts(sp->hPort,&sp->ct)) {
-    uart_close(sp);
-    return INVALID_SERIAL_PORT;
-  }
-  
-  PurgeComm(sp->hPort, PURGE_RXABORT | PURGE_RXCLEAR);
-  
-  return sp;
-}
-
-void uart_close(const serial_port sp) {
-  CloseHandle(((serial_port_windows*)sp)->hPort);
-  free(sp);
-}
-
-bool uart_set_speed(serial_port sp, const uint32_t uiPortSpeed) {
-  serial_port_windows* spw;
-  spw = (serial_port_windows*)sp;
-  spw->dcb.BaudRate = uiPortSpeed;
-  return SetCommState(spw->hPort, &spw->dcb);
-}
-
-uint32_t uart_get_speed(const serial_port sp) {
-  const serial_port_windows* spw = (serial_port_windows*)sp;
-  if (!GetCommState(spw->hPort, (serial_port)&spw->dcb)) {
-    return spw->dcb.BaudRate;
-  }
-  return 0;
-}
-
-bool uart_receive(const serial_port sp, byte_t* pbtRx, size_t* pszRxLen) {
-  ReadFile(((serial_port_windows*)sp)->hPort,pbtRx,*pszRxLen,(LPDWORD)pszRxLen,NULL);
-  return (*pszRxLen != 0);
-}
-
-bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen) {
-  DWORD dwTxLen = 0;
-  return WriteFile(((serial_port_windows*)sp)->hPort,pbtTx,szTxLen,&dwTxLen,NULL);
-  return (dwTxLen != 0);
-}
-
-#endif