Requires device system update newer than 2024.4.10.1

This two boards have a versatile analog front-end with 32 channels (or 32 channels per DAQ). Each Front-End has configurable gain, offset, impedance, input division and coupling

SciSDK allows to configure the front end of the board from code in a very simple way.

The board expose a node in the device tree called boardapi/analog that allows to configure the front end of the board.

Pleas remember that the board has a 32 channels front end, but some of the parameters are shared between channels. In the table below you can see the group size column that indicates how many channels share the same parameter.

Parameter	Description	Valid Values	Grouped Channels	Default Value	Example node
gain	Gain of the front end	0, 1, ... 99	2	0dB (1V/V)	`board0:/boardapi/analog/CH0_1.gain`
50r	Impedance of the front end	true, false	2	false	`board0:/boardapi/analog/CH0_1.50r`
div	Division by five	true, false	2	false	`board0:/boardapi/analog/CH0_1.div`
offset	Offset of the front end	-32768, ... 32767	1	0	`board0:/boardapi/analog/CH0.offset`
shaper	Coupling of the front end	dc 1us 10us 30us	32	dc	`board0:/boardapi/analog.shaper`

How to use the boardapi/analog node

The nodes with group size 1 are the ones that are unique for each channel. In order to access to channel CH you have to access to the node board0:/boardapi/analog/CHx where x is the number of the channel. For example to access to the offset of channel 3 you have to access to the node board0:/boardapi/analog/CH3.offset

channels with group size 2 groups adjacent channels. In order to access to channel CH you have to access to the node board0:/boardapi/analog/CHx_x+1 where x is the number of the channel. For example to access to the gain of channel 3 and 4 you have to access to the node board0:/boardapi/analog/CH3_4.gain

The shaper is common for all channels. In order to access to the shaper you have to access to the node board0:/boardapi/analog.shaper

Applying the configuration

Once you have set the parameters you have to execute the command board0:/boardapi/configure to apply the configuration.

Example

Configure a single channels

C/C++

int op_res=0;
op_res |= SCISDK_SetParameterInteger("board0:/boardapi/analog/CH0_1.gain", 5, _sdk);
op_res |= SCISDK_SetParameterString("board0:/boardapi/analog/CH0_1.50r", "true", _sdk);
op_res |= SCISDK_SetParameterString("board0:/boardapi/analog/CH0_1.div", "true", _sdk);
op_res |= SCISDK_SetParameterInteger("board0:/boardapi/analog/CH0.offset", 100, _sdk);
op_res |= SCISDK_SetParameterString("board0:/boardapi/analog.shaper", "dc", _sdk);
op_res |= SCISDK_ExecuteCommand("board0:/boardapi/configure", "", _sdk);

Python

sdk.SetParameter("board0:/boardapi/analog/CH0_1.gain", 5)
sdk.SetParameter("board0:/boardapi/analog/CH0_1.50r", "true",)
sdk.SetParameter("board0:/boardapi/analog/CH0_1.div", "true")
sdk.SetParameter("board0:/boardapi/analog/CH0.offset", 100)
sdk.SetParameter("board0:/boardapi/analog.shaper", "dc")
sdk.ExecuteCommand("board0:/boardapi/configure", "")

Configure all channels of the board

C/C++

int op_res=0;
for (int i = 0; i < 16; i++) {
    string ch = "board0:/boardapi/analog/CH" + to_string(i * 2) + "_" + to_string(i * 2 + 1) + ".gain";
    op_res |= SCISDK_SetParameterInteger((char*)ch.c_str(), 0, _sdk);
    ch = "board0:/boardapi/analog/CH" + to_string(i * 2) + "_" + to_string(i * 2 + 1) + ".50r";
    op_res |= SCISDK_SetParameterString((char*)ch.c_str(), "true", _sdk);
    ch = "board0:/boardapi/analog/CH" + to_string(i * 2) + "_" + to_string(i * 2 + 1) + ".div";
    op_res |= SCISDK_SetParameterString((char*)ch.c_str(), "true", _sdk);
}
for (int i = 0; i < 32; i++) {
    string ch = "board0:/boardapi/analog/CH" + to_string(i) + ".offset";
    op_res |= SCISDK_SetParameterInteger((char*)ch.c_str(), 0, _sdk);
}
op_res |= SCISDK_SetParameterString("board0:/boardapi/analog.shaper", "dc", _sdk);
op_res |= SCISDK_ExecuteCommand("board0:/boardapi/configure", "", _sdk);