Files
GoldenCheetah/src/USBXpress.cpp
2011-03-19 22:11:43 +00:00

129 lines
3.5 KiB
C++

/*
* Copyright (c) 2011 Mark Liversedge (liversedge@gmail.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef WIN32
#include <QString>
#include <QDebug>
#include "USBXpress.h"
#ifdef GC_HAVE_USBXPRESS
USBXpress::USBXpress() {} // nothing to do - all members are static
int USBXpress::open(HANDLE *handle)
{
DWORD numDevices;
// any USBXpress devices connected?
SI_GetNumDevices(&numDevices);
if (numDevices == 0) return -1;
// lets see if one of them is a GARMIN USB1 stick and open it
for (unsigned int i=0; i<numDevices; i++) {
char buffer[128];
bool vidok, pidok;
// we want product 1004 and vendor 0fcf
SI_GetProductString (i, &buffer, SI_RETURN_PID);
unsigned int vid = QString(buffer).toInt(&vidok, 16);
SI_GetProductString (i, &buffer, SI_RETURN_VID);
unsigned int pid = QString(buffer).toInt(&pidok, 16);
// we found ours?
if (vidok && vid == GARMIN_USB1_VID && pidok && pid == GARMIN_USB1_PID) {
// bingo
if (SI_Open (i, handle) == SI_SUCCESS) {
// clear out any crap
SI_FlushBuffers(*handle, 1, 1);
SI_SetTimeouts(5,5); // 5ms timeout seems ok
SI_SetBaudRate(*handle, 115200); // USB1 supports this
SI_SetLineControl(*handle, 0x800); // 8bit, 1 stop, no parity
SI_SetFlowControl(*handle, /*bCTS_MaskCode */ SI_STATUS_INPUT,
/*bRTS_MaskCode */ SI_HELD_INACTIVE,
/*bDTR_MaskCode */ SI_HELD_INACTIVE,
/*bDSRMaskCode */ SI_STATUS_INPUT,
/*bDCD_MaskCode */ SI_STATUS_INPUT,
/*bFlowXonXoff */ FALSE);
// success!
return 0;
}
}
}
// no dice. fail.
return -1;
}
int USBXpress::close(HANDLE *handle)
{
SI_Close(*handle);
return 0;
}
int USBXpress::read(HANDLE *handle, unsigned char *buf, int bytes)
{
DWORD read;
if (SI_Read (*handle, buf, (DWORD) bytes, &read, NULL) == SI_SUCCESS)
return read;
else return -1;
}
int USBXpress::write(HANDLE *handle, unsigned char *buf, int bytes)
{
DWORD wrote;
if (SI_Write (*handle, buf, (DWORD) bytes, &wrote, NULL) == SI_SUCCESS)
return bytes;
else
return -1;
}
#else
// if we don't have USBXpress installed then stubs return fail
USBXpress::USBXpress() {} // nothing to do - all members are static
int USBXpress::open(HANDLE *)
{
return -1;
}
int USBXpress::close(HANDLE *)
{
return -1;
}
int USBXpress::read(HANDLE *, unsigned char *, int)
{
return -1;
}
int USBXpress::write(HANDLE *, unsigned char *, int)
{
return -1;
}
#endif // USBXpress
#endif // Win32