comedi_cmd works now, added some debugging info to insn

diff --git a/comedi/drivers/ni_at_a2150.c b/comedi/drivers/ni_at_a2150.c
index 2b1d7403a8ff59d8de91b27143d85dedd3a39d81..d2ad1013839a3efccc90bd3aa31843cfa4d8a645 100644 (file)
--- a/comedi/drivers/ni_at_a2150.c
+++ b/comedi/drivers/ni_at_a2150.c
@@ -414,7 +414,7 @@ static int a2150_attach(comedi_device *dev, comedi_devconfig *it)
        s = dev->subdevices + 0;
        dev->read_subdev = s;
        s->type = COMEDI_SUBD_AI;
-       s->subdev_flags = SDF_READABLE;
+       s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_OTHER;
        s->n_chan = 4;
        s->len_chanlist = 4;
        s->maxdata = 0xffff;
@@ -780,10 +780,20 @@ static int a2150_ai_rinsn(comedi_device *dev, comedi_subdevice *s, comedi_insn *
                        comedi_error(dev, "timeout");
                        return -ETIME;
                }
+
+#ifdef A2150_DEBUG
+       ni_dump_regs(dev);
+#endif
                data[n] = inw(dev->iobase + FIFO_DATA_REG);
+#ifdef A2150_DEBUG
+       rt_printk(" data is %i\n", data[n]);
+#endif
                data[n] ^= 0x8000;
        }
 
+       // clear fifo and reset triggering circuitry
+       outw(0, dev->iobase + FIFO_RESET_REG);
+
        return n;
 }