/* 
The MIT License

Copyright (c) 1989-2022 Lauterbach GmbH

Permission is hereby granted, free of charge,
to any person obtaining a copy of this software and
associated documentation files (the "Software"), to
deal in the Software without restriction, including
without limitation the rights to use, copy, modify,
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copies of the Software, and to permit persons to whom
the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice
shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/**************************************************************************

    FDX communication demo application

    $Date: 2022-11-21 17:36:06 +0100 (Mon, 21 Nov 2022) $
    $Revision: 20122 $

    This is the current source for this demo.
    The latest source can be found in demo/etc/fdx/target.

    This part runs on the target processor.
    It communicates with "fdxhost.c" on the host system.

    (c) Lauterbach GmbH
    http://www.lauterbach.com/

**************************************************************************/

#include "stddef.h"
#include "t32fdx.h"

#ifdef C55X
#define FDXTEST_BUFSIZE	0x0820
#else
#define FDXTEST_BUFSIZE	0x1000
#endif


T32_Fdx_DefineChannel(FdxTestSendBuffer,FDXTEST_BUFSIZE);
T32_Fdx_DefineChannel(FdxTestReceiveBuffer,FDXTEST_BUFSIZE);

static unsigned char buf[1024];

static void fdxerror()
{
    /* place a breakpoint here to catch communication errors */
}

static void fdxtest()
{
    int             i;
    int             len;

    T32_Fdx_InitChannel(FdxTestSendBuffer);
    T32_Fdx_InitChannel(FdxTestReceiveBuffer);

    T32_Fdx_EnableChannel(FdxTestSendBuffer);
    T32_Fdx_EnableChannel(FdxTestReceiveBuffer);

    for (i = 0; i < 50; i++) {
	len = i + 2;
	buf[0] = (unsigned char)( '0' + i );
	buf[len - 1] = (unsigned char)( '1' + i );
	T32_Fdx_Send(&FdxTestSendBuffer, buf, len);
    }

    buf[0] = 0;
    T32_Fdx_Send(&FdxTestSendBuffer, buf, 1);

    for (i = 0; i < 10; i++) {
	buf[0] = 'a';
	buf[1] = 'b';
	buf[2] = 'c';
	buf[3] = (unsigned char) i;
	buf[999] = (unsigned char) i;
	T32_Fdx_Send(&FdxTestSendBuffer, buf, 1000);
    }

    buf[0] = 0;
    T32_Fdx_Send(&FdxTestSendBuffer, buf, 1);

    for (i = 0; i < 50; i++) {
	len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
	if (len <= 0)
	    fdxerror();
	if (len != i + 2 || buf[0] != '0' + i || buf[len - 1] != '1' + i)
	    fdxerror();
    }

    len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
    if (len != 1)
	fdxerror();

    for (i = 0; i < 10; i++) {
	len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
	if (len != 1000)
	    fdxerror();
    }

    len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
    if (len != 1)
	fdxerror();

    for (i = 0; i < 1000; i++) {
	buf[0] = 0;
	T32_Fdx_Send(&FdxTestSendBuffer, buf, 1);
    }

    len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
    if (len != 1)
	fdxerror();

    for (i = 0; i < 1000; i++) {
	buf[0] = 0;
	T32_Fdx_Send(&FdxTestSendBuffer, buf, 1);
    }

    len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
    if (len != 1)
	fdxerror();

    for (i = 0; i < 1000; i++) {
	len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
	if (len <= 0)
	    fdxerror();
	if (len != 1)
	    fdxerror();
    }

    buf[0] = 0;
    T32_Fdx_Send(&FdxTestSendBuffer, buf, 1);

    for (i = 0; i < 1000; i++) {
	len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
	if (len <= 0)
	    fdxerror();
	if (len != 1)
	    fdxerror();
	buf[0] = 0;
	T32_Fdx_Send(&FdxTestSendBuffer, buf, 1);
    }

    for (i = 0; i < 100; i++) {
	buf[0] = 0;
	T32_Fdx_Send(&FdxTestSendBuffer, buf, 1024);
    }

    for (i = 0; i < 100; i++) {
	len = T32_Fdx_Receive(&FdxTestReceiveBuffer, buf, sizeof(buf));
	if (len <= 0)
	    fdxerror();
	if (len != 1024)
	    fdxerror();
    }

    buf[0] = 0;
    T32_Fdx_Send(&FdxTestSendBuffer, buf, 1);

    while (T32_Fdx_Pending(&FdxTestSendBuffer))
       T32_Fdx_Poll();
}


int main()
{
    fdxtest();
    return 0;
}