+/*
++----------------------------------------------------------------------------+
+| Function Name :INT i_APCI1710_InsnReadChrono(struct comedi_device *dev,struct comedi_subdevice *s,
+struct comedi_insn *insn,unsigned int *data) |
++----------------------------------------------------------------------------+
+| Task : Read functions for Timer |
++----------------------------------------------------------------------------+
+| Input Parameters :
++----------------------------------------------------------------------------+
+| Output Parameters : - |
++----------------------------------------------------------------------------+
+| Return Value :
++----------------------------------------------------------------------------+
+*/
+static int i_APCI1710_InsnReadChrono(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ struct addi_private *devpriv = dev->private;
+ unsigned char b_ReadType;
+ int i_ReturnValue = insn->n;
+
+ b_ReadType = CR_CHAN(insn->chanspec);
+
+ switch (b_ReadType) {
+ case APCI1710_CHRONO_PROGRESS_STATUS:
+ i_ReturnValue = i_APCI1710_GetChronoProgressStatus(dev,
+ (unsigned char) CR_AREF(insn->chanspec), (unsigned char *) &data[0]);
+ break;
+
+ case APCI1710_CHRONO_READVALUE:
+ i_ReturnValue = i_APCI1710_ReadChronoValue(dev,
+ (unsigned char) CR_AREF(insn->chanspec),
+ (unsigned int) insn->unused[0],
+ (unsigned char *) &data[0], (unsigned int *) &data[1]);
+ break;
+
+ case APCI1710_CHRONO_CONVERTVALUE:
+ i_ReturnValue = i_APCI1710_ConvertChronoValue(dev,
+ (unsigned char) CR_AREF(insn->chanspec),
+ (unsigned int) insn->unused[0],
+ (unsigned int *) &data[0],
+ (unsigned char *) &data[1],
+ (unsigned char *) &data[2],
+ (unsigned int *) &data[3],
+ (unsigned int *) &data[4], (unsigned int *) &data[5]);
+ break;
+
+ case APCI1710_CHRONO_READINTERRUPT:
+ printk("In Chrono Read Interrupt\n");
+
+ data[0] = devpriv->s_InterruptParameters.
+ s_FIFOInterruptParameters[devpriv->
+ s_InterruptParameters.ui_Read].b_OldModuleMask;
+ data[1] = devpriv->s_InterruptParameters.
+ s_FIFOInterruptParameters[devpriv->
+ s_InterruptParameters.ui_Read].ul_OldInterruptMask;
+ data[2] = devpriv->s_InterruptParameters.
+ s_FIFOInterruptParameters[devpriv->
+ s_InterruptParameters.ui_Read].ul_OldCounterLatchValue;
+
+ /**************************/
+ /* Increment the read FIFO */
+ /***************************/
+
+ devpriv->
+ s_InterruptParameters.
+ ui_Read = (devpriv->
+ s_InterruptParameters.
+ ui_Read + 1) % APCI1710_SAVE_INTERRUPT;
+ break;
+
+ default:
+ printk("ReadType Parameter wrong\n");
+ }
+
+ if (i_ReturnValue >= 0)
+ i_ReturnValue = insn->n;
+ return i_ReturnValue;
+
+}
+