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CHARON supports NI PCI/PCIe/GPIB boards in pass-through mode using a specific driver that can be built from sources located in "/opt/charon/drivers/ni_pci_gpib_ppt
" directory. Upon loading the driver (".ko" loadable module) into OS kernel at runtime it creates "/dev/gpib<i>
" device for each NI PCI/PCIe/GPIB board it finds.
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There is no need to install device drivers from National Instruments.
Building NI-PCI/GPIB PCI PassThrough device driver
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Step | Description |
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1 | Make sure that the required building tools and include files are installed. If they are absent install them:
Note: The kernel version must match the version of the installed kernel-headers (i.e. this packages must have same versions. It can be verified via Check that the "kernel" and the "kernel-headers" have the same version, and ensure that system is booted from this kernel version (not from some older one and etc) with " |
2 | Open xterm and change the default directory to "
|
3 | Issue "make clean; make" commands to build kernel object:
It is prohibited to use a module built on a certain version of kernel on another one. |
4 | Check that there are no compilation errors and the file "ni_pci_gpib_ppt .ko " has been built |
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Installation of NI-PCI/GPIB PCI PassThrough device driver
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Step | Description | |||||
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1 | Disable auto-loading of device drivers from National Instruments on boot (if available). Use the black list file "/etc/modprobe.d/blacklist.conf " to do that. | |||||
2 | Copy the GPIB kernel module to the location of Linux kernel modules, for example:
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3 | Enable auto load of the module:
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4 | Regenerate new "initramfs" image with "mkinitrd":
The particular path may be different, depending on the kernel version and Linux distribution. |
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