PICO DrDAQ, Programmer'S Manual

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USB DrDAQ Programmer's Guide 37
Copyright © 2010-2011 Pico Technology Ltd. All rights reserved. usbdrdaqpg.en
3.5.28 PICO_STATUS values
Every function in the USB DrDAQ API returns a status code from the following list of
PICO_STATUS
values:
Code
(hex) Enum Description
00 PICO_OK
The Data Logger is functioning correctly
01 PICO_MAX_UNITS_OPENED
An attempt has been made to open more than
UsbDrDaq_MAX_UNITS
02 PICO_MEMORY_FAIL
Not enough memory could be allocated on the
host machine
03 PICO_NOT_FOUND
No USB DrDAQ device could be found
04 PICO_FW_FAIL
Unable to download firmware
05 PICO_OPEN_OPERATION_IN_PROGRESS
A request to open a device is in progress
06 PICO_OPERATION_FAILED
The operation was unsuccessful
07 PICO_NOT_RESPONDING
The device is not responding to commands from
the PC
08 PICO_CONFIG_FAIL
The configuration information in the device has
become corrupt or is missing
09 PICO_KERNEL_DRIVER_TOO_OLD
The
picopp.sys
file is too old to be used with
the device driver
0A PICO_EEPROM_CORRUPT
The EEPROM has become corrupt, so the device
will use a default setting
0B PICO_OS_NOT_SUPPORTED
The operating system on the PC is not
supported by this driver
0C PICO_INVALID_HANDLE
There is no device with the handle value passed
0D PICO_INVALID_PARAMETER
A parameter value is not valid
0E PICO_INVALID_TIMEBASE
The time base is not supported or is invalid
0F PICO_INVALID_VOLTAGE_RANGE
The voltage range is not supported or is invalid
10 PICO_INVALID_CHANNEL
The channel number is not valid on this device
or no channels have been set
11 PICO_INVALID_TRIGGER_CHANNEL
The channel set for a trigger is not available on
this device
12 PICO_INVALID_CONDITION_CHANNEL
The channel set for a condition is not available
on this device
13 PICO_NO_SIGNAL_GENERATOR
The device does not have a signal generator
14 PICO_STREAMING_FAILED
Streaming has failed to start or has stopped
without user request
15 PICO_BLOCK_MODE_FAILED
Block failed to start - a parameter may have
been set wrongly
16 PICO_NULL_PARAMETER
A parameter that was required is
NULL
18 PICO_DATA_NOT_AVAILABLE
No data is available from a run block call
19 PICO_STRING_BUFFER_TOO_SMALL
The buffer passed for the information was too
small
1A PICO_ETS_NOT_SUPPORTED
ETS is not supported on this device
1B PICO_AUTO_TRIGGER_TIME_TOO_SHORT
The auto trigger time is less than the time it
will take to collect the data
1C PICO_BUFFER_STALL
The collection of data has stalled as unread
data would be overwritten
1D PICO_TOO_MANY_SAMPLES
The number of samples requested is more than
available in the current memory segment
1E PICO_TOO_MANY_SEGMENTS
Not possible to create number of segments
requested
1F PICO_PULSE_WIDTH_QUALIFIER
A null pointer has been passed in the trigger
function or one of the parameters is out of
range