X-Git-Url: http://developer.intra2net.com/git/?p=libftdi;a=blobdiff_plain;f=src%2Fftdi_stream.c;h=b949999951c711e7c62c4808e383205d7097b12f;hp=d39fc2a2cde61bb46936880634c4a083fe84f3e3;hb=9956d4289d04f1c67a8738a7b8b32e1345ab0968;hpb=97c6b5f63d77f28968f4ad19c6901f11598898c9

diff --git a/src/ftdi_stream.c b/src/ftdi_stream.c
index d39fc2a..b949999 100644
--- a/src/ftdi_stream.c
+++ b/src/ftdi_stream.c
@@ -152,8 +152,28 @@ ftdi_readstream(struct ftdi_context *ftdi,
     int bufferSize = packetsPerTransfer * ftdi->max_packet_size;
     int xferIndex;
     int err = 0;
+
+    /* Only FT2232H and FT232H know about the synchronous FIFO Mode*/
+    if ((ftdi->type != TYPE_2232H) && (ftdi->type != TYPE_232H))
+    {
+        fprintf(stderr,"Device doesn't support synchronous FIFO mode\n");
+        return 1;
+    }
     
-    fprintf(stderr, "ftdi_readstream\n");
+    /* We don't know in what state we are, switch to reset*/
+    if (ftdi_set_bitmode(ftdi,  0xff, BITMODE_RESET) < 0)
+    {
+        fprintf(stderr,"Can't reset mode\n");
+        return 1;
+    }
+    
+    /* Purge anything remaining in the buffers*/
+    if (ftdi_usb_purge_buffers(ftdi) < 0)
+    {
+        fprintf(stderr,"Can't Purge\n");
+        return 1;
+    }
+
     /*
      * Set up all transfers
      */