} while(0);
+#if defined( __WIN32__) && !defined(__MINGW32__)
+#include <windows.h>
+#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
+struct timeval {
+ long tv_sec;
+ long tv_usec;
+};
+int gettimeofday( struct timeval *tv, void null)
+{
+ FILETIME ft;
+ unsigned __int64 tmpres = 0;
+ if(tv)
+ {
+ GetSystemTimeAsFileTime(&ft);
+ tmpres |= ft.dwHighDateTime;
+ tmpres <<= 32;
+ tmpres |= ft.dwLowDateTime;
+
+ /*converting file time to unix epoch*/
+ tmpres /= 10; /*convert into microseconds*/
+ tmpres -= DELTA_EPOCH_IN_MICROSECS;
+ tv->tv_sec = (LONG)(tmpres / 1000000UL);
+ tv->tv_usec = (LONG)(tmpres % 1000000UL);
+ }
+ /* Warning: Timezone not handled (and not needed here) */
+ return 0;
+}
+#endif
+
/**
Internal function to close usb device pointer.
Sets ftdi->usb_dev to NULL.
{
int offset = 0, ret = 1, i, num_of_chunks, chunk_remains;
int packet_size;
+ struct timeval tv_start, tv_current;
if (ftdi == NULL || ftdi->usb_dev == NULL)
ftdi_error_return(-666, "USB device unavailable");
offset += ftdi->readbuffer_remaining;
}
// do the actual USB read
+ gettimeofday(&tv_start,NULL);
while (offset < size && ret > 0)
{
ftdi->readbuffer_remaining = 0;
else
ret -= 2*(num_of_chunks-1)+chunk_remains;
}
- }
- else if (ret <= 2)
- {
- // no more data to read?
- return offset;
- }
- if (ret > 0)
- {
// data still fits in buf?
if (offset+ret <= size)
{
/* printf("Returning part: %d - size: %d - offset: %d - ret: %d - remaining: %d\n",
part_size, size, offset, ret, ftdi->readbuffer_remaining); */
- return offset;
}
}
+ gettimeofday(&tv_current,NULL);
+ if(((tv_current.tv_sec - tv_start.tv_sec)*1000000+(tv_current.tv_usec - tv_start.tv_usec))
+ > ftdi->usb_read_timeout)
+ return offset;
}
// never reached
return -127;