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Usb_tc08_legacy_set_channel – Omega Speaker Systems 8 Channel Thermocouple USB Data Acquisition Module TC-08 User Manual

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Technical reference

35

3.3.4.2

usb_tc08_legacy_set_channel

short usb_tc08_legacy_set_channel
(

short handle,
short channel,
char tc_type,
short filter_factor,
short offset,
short slope

)

Call this routine once for each channel that you would like to take readings from. You
can do this any time after calling

usb_tc08_open_unit

.

Arguments

handle

Specifies the USB TC-08 unit.

channel

Specifies which channel you want to set the details
for: This should be between 0 and 8.

tc_type

Specifies what type of thermocouple is connected to
this channel. Set to one of the following characters
'B', 'E', 'J', 'K', 'N', 'R', 'S', 'T.' Use a space in quotes
to disable the channel.

filter_factor

Specifies the size of the median filter. Each time the
driver takes a reading from this channel, it updates
the filtered value by adding a reading to a median
filter. The filter factor can be set to any value
between 0 - 255 (0 or 1 turns filtering off).

filter_factor

These parameters are provided for backward
compatibility with the serial TC-08 and have no effect
when used with the USB TC-08.

Returns

0

Use

usb_tc08_get_last_error

.

1

Legacy set channel successful.

Note: Do not call this function unless you are operating the USB TC-08 in legacy
mode, having called

usb_tc08_legacy_run

.