PicoScope 2104 & 2105 PC Oscilloscope User Guide
8
Copyright 2006 Pico Technology Limited. All rights reserved.PS2100044-1.0
3Technical reference

3.1 Driver

Once you have installed the PicoScope and PicoLog software, Windows will
automatically install the driver when the PicoScope PC Oscilloscope is plugged in for
the first time.
The Windows 98SE/ME/2000/XP/2003 32-bit driver, picopp.sys, is installed in the
Windows directory. It is loaded using an inf file, picopp.inf.

3.2 Driver error codes

This section is aimed at those people who intend to write their own programs for use
with the driver. A description of the driver error codes is given below. If the PicoScope
or PicoLog software reports an error, refer to the FAQ.
Code Enumeration Description
0PS2000_OK The PicoScope 2000 Series unit is functioning
correctly.
1PS2000_MAX_UNITS_OPENED Attempts have been made to open more than
PS2000_MAX_UNITS units.
2PS2000_MEM_FAIL Not enough memory could be allocated on the
host machine.
3PS2000_NOT_FOUND No PicoScope 2000 Series unit could be found.
4PS2000_FW_FAIL Unable to download firmware.
5PS2000_NOT_RESPONDING The PicoScope 2000 Series unit is not responding
to commands from the PC.
6PS2000_CONFIG_FAIL The configuration information in the oscilloscope
has become corrupt or is missing.
7PS2000_OS_NOT_SUPPORTED The operating system is not one of the supported
products: Windows 98SE, ME, 2000, XP and
2003.