/*******************************************************************************
* PMC825 UDP/IP Socket Interface Test Program                                  *
*                                                                              *
* (C) 2011 Stock Flight Systems. All rights reserved.                          *
*                                                                              *
* Filename: dirlist.c                                                          *
*                                                                              *
* Redistribution and use in source and binary forms, with or without           *
* modification, are permitted provided that the following conditions are met:  *
* Redistributions of source code must retain the above copyright notice, this  *
* list of conditions and the following disclaimer.                             *
*                                                                              *
* 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.                       *
*                                                                              *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "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 OWNER 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.                           *
*                                                                              *
* This file contains a test program which interfaces to the PMC825 via the     *
* UDP/IP socket interface.                                                     *
*                                                                              *
* Function names                                                               *
* ____________________________________________________________________________ *
*                                                                              *
* int main(void)                                                               *
* void ExceptionHandler(void)                                                  *
*                                                                              *
* MODIFICATIONS:                                                               *
*                                                                              *
* When          Version      What                                  Who         *
* ____________________________________________________________________________ *
*                                                                              *
* 15.05.2011    1.0          Initial Version                       M. Stock    *
*                                                                              *
*******************************************************************************/

/*
 * Includes.
 */

#include "pmc825socket.h"
#include "can_as.h"

/*
 * Local definitions.
 */

#define	LPORT_BASE      34567           /* Local UDP/IP port number base */
#define	RPORT_BASE      34568           /* PMC825 UDP/IP port number base */

/*
 * Globals.
 */

PMC825_IF Pmc825;

/*
 * ExceptionHandler() frees all resources then terminates.
 */

void ExceptionHandler(void)
{
Pmc825StopInterface(&Pmc825);
printf("\nProgram terminated, all resources released.\n");
exit(0);
}

/*
 * main() starts here.
 */

int main (int argc, char *argv[])
{
#ifndef WIN32
struct timespec t2,t1 = {0,1000000*10};	/* 10ms frame time */
#endif
unsigned int *iptr, host_ip, pmc825_ip, lport, rport;
unsigned char hip[32], pip[32], ch[8], *fnamestr;
int loops, chan, done, ret, i, ip[4];
CTRL_MSG ctrl;

/*
 * First of all, get IP addresses and CAN channel number.
 */

if (argc != 4)
  {
  printf("usage: %s host_ip pmc825_ip can_channel\n", argv[0]);
  exit(1);
  }

strcpy(hip, argv[1]);
strcpy(pip, argv[2]);
strcpy(ch, argv[3]);

sscanf(hip, "%d.%d.%d.%d", &ip[0], &ip[1], &ip[2], &ip[3]);
host_ip = (ip[0] << 24) | (ip[1] << 16) | (ip[2] << 8) | ip[3];

sscanf(pip, "%d.%d.%d.%d", &ip[0], &ip[1], &ip[2], &ip[3]);
pmc825_ip = (ip[0] << 24) | (ip[1] << 16) | (ip[2] << 8) | ip[3];

sscanf(ch, "%d", &chan);

lport = LPORT_BASE + chan * 2;
rport = RPORT_BASE + chan * 2;

/*
 * Set up the exception handler. We want to make sure that we perform
 * cleanup in case we are terminated by some unexpected event.
 */

#ifndef WIN32
signal(SIGQUIT, (void *) ExceptionHandler);
signal(SIGINT,  (void *) ExceptionHandler);
signal(SIGTERM, (void *) ExceptionHandler);
signal(SIGKILL, (void *) ExceptionHandler);
signal(SIGPIPE, (void *) ExceptionHandler);
#endif

/*
 * Initialize the interface for the PMC825.
 */

ret = Pmc825StartInterface(&Pmc825, pmc825_ip, host_ip, rport, lport, chan);

if (ret == PMC825_MEM_ALLOC_ERR)
  {
  printf("Memory allocation error, exiting ...\n");
  Pmc825StopInterface(&Pmc825);
  exit(0);
  }
else if (ret == PMC825_SOCKET_ERR)
  {
  printf("Socket error, exiting ...\n");
  Pmc825StopInterface(&Pmc825);
  exit(0);
  }

done = 0;

/*
 * Read and print the PMC825 SD card FAT32 file system directory.
 */

for (;;)
  {
  Pmc825ListDirCmd(&Pmc825);

  ret = Pmc825CtrlRead(&Pmc825, &ctrl);

  while ((ret != PMC825_NO_MSG) && (done == 0))
    {
    if (ctrl.opcode == TARGET_LIST_DIR_RESP)
      {
      fnamestr = (unsigned char *) &(ctrl.arg[0]);
      i = 0;

      printf("%d Files on SDcard:\n", ctrl.svc_rsp_code);

      for (loops = 0; loops < ctrl.svc_rsp_code; loops++)
	{
	printf("%c%c%c%c%c%c%c%c%c%c%c%c\n", fnamestr[i],
                                             fnamestr[i+1],
                                             fnamestr[i+2],
                                             fnamestr[i+3],
                                             fnamestr[i+4],
                                             fnamestr[i+5],
                                             fnamestr[i+6],
                                             fnamestr[i+7],
                                             fnamestr[i+8],
                                             fnamestr[i+9],
                                             fnamestr[i+10],
                                             fnamestr[i+11]);
	i += 12;
	}
      done = 1;
      }
    ret = Pmc825CtrlRead(&Pmc825, &ctrl);
    }

  /*
   * 10ms time frame.
   */

#ifndef WIN32
  nanosleep(&t1,&t2);
#else
  Sleep(10);
#endif
  }
Pmc825StopInterface(&Pmc825);
exit(0);
}

/*
 * End of file.
 */
