API Functions
28Copyright © 2006–2022 Pico Technology Ltd. All rights reserved.ps2000pg.en-12
PicoScope 2000 Series Programmer's Guide
5.8 ps2000_get_unit_info
int16_t ps2000_get_unit_info
(
int16_t handle,
int8_t *string,
int16_t string_length,
int16_t line
)
This function writes oscilloscope information to a character string. If the oscilloscope failed to
open, only line types 0 and 6 are available to explain why the last open unit call failed.
handle: the handle of the oscilloscope from which information is required.
If an invalid handle is passed, the error code from the last oscilloscope that
failed to open is returned.
string: a pointer to the character string buffer in the calling function where
the function will write the oscilloscope information string selected with line.
If string is NULL, no information will be written.
string_length: the length of the character string buffer. If the string is
not long enough to accept all of the information, only the first
string_length characters are returned.
line: a value selected from enumerated type PS2000_INFO (see table
below) specifying what information is required from the driver
The length of the string written to the string buffer
0: if one of the parameters is out of range or string is NULL
PS2000_DRIVER_VERSION (0), the version number of the DLL
used by the oscilloscope driver.
PS2000_USB_VERSION (1), the type of USB connection that is
being used to connect the oscilloscope to the computer.
PS2000_HARDWARE_VERSION (2), the hardware version of the
attached oscilloscope.
PS2000_VARIANT_INFO (3), the variant of PicoScope 2000 PC
Oscilloscope that is attached to the computer.
PS2000_BATCH_AND_SERIAL (4), the batch and serial number of
the oscilloscope.
PS2000_CAL_DATE (5), the calibration date of the oscilloscope.
PS2000_ERROR_CODE (6), one of the Error codes.
PS2000_KERNEL_DRIVER_VERSION (7), the version number of the
kernel driver.
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