
PicoScope 2104 & 2105 PC Oscilloscope User Guide
8
Copyright 2006 Pico Technology Limited. All rights reserved.PS2100044-1.0
3
Technical 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
0 PS2000_OK
The PicoScope 2000 Series unit is functioning
correctly.
1 PS2000_MAX_UNITS_OPENED
Attempts have been made to open more than
PS2000_MAX_UNITS
units.
2 PS2000_MEM_FAIL
Not enough memory could be allocated on the
host machine.
3 PS2000_NOT_FOUND
No PicoScope 2000 Series unit could be found.
4 PS2000_FW_FAIL
Unable to download firmware.
5 PS2000_NOT_RESPONDING
The PicoScope 2000 Series unit is not responding
to commands from the PC.
6 PS2000_CONFIG_FAIL
The configuration information in the oscilloscope
has become corrupt or is missing.
7 PS2000_OS_NOT_SUPPORTED
The operating system is not one of the supported
products: Windows 98SE, ME, 2000, XP and
2003.