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Hi
I wanna to know I can replaced threadx Os/ kernal with Linux Os / kernal in FX3 perpeheral
controller / Development board. Please tell me threadx OS is neccsary for buliding application.
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Hi,
Yes. ThreadX OS is needed as FX3 firmware is developed based on the same.
It is not recommended to use any other.
Thanks,
sai krishna.
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Thanks for the reply,
Please solve my another query, What is the meaning of FX3 SDK
support linux/ window /mac os?
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Hi,
If you are using Windows OS in your PC then you need to use FX3 SDK for Windows. That will be containing the USB drivers and applications that can work on a PC with Windows OS. Also the FX3 firmware building tools for Windows.
If you want to use a PC with Linux OS then you need to download FX3 SDK for Linux.
But in all cases, FX3 fimrware will be using ThreadX OS only. ThreadX OS is part of the FX3 fimrware that you get along with the FX3 SDK.
Regards,
sai kirshna.
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Thanks for sharing fruitful knowledge
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Hi Sai
If I make Cypress FX3 board as USB device with Linux OS, which already has USB driver support. So, is it not sufficient to talk with a USB host? Or is there something specific usage of ThreadX Kernal in FX3 firmware?
Is it like API gets compiled with Linux OS and while communicating, OS will use FX3 firmware (Treadx) instead of Linux USB driver?
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Hi,
If you connect a standard class USB device to a PC then you don't need any special driver from Cypress.
But when you connect FX3 DVK to PC then it will enumerate as a vendor class device. Then you need your own driver to talk to it; at least for programming FX3 device to function as per your application need.
Cypress is providing that driver (is developed based on Libusb) and an application that runs in Linux to program the FX3 device.
Data path is as follows (during development):
Consider the OS installed in the PC is Linux.
PC application provided by Cypress -> Driver in PC provided by Cypress (based on libusb) -> Low level standard USB drivers (part of Linux) -> FX3 device with firmware which is developed based on ThreadX OS to do different tasks as per the application need.
Please refer to the attached document for more details on the tools provided by Cypress for Linux platform.
Thanks,
sai krishna.
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This is not allowing me to attach a document.
So please refer to the doc foler present in the FX3 SDK for Linux platform (FX3_SDK_B81\cyusb_linux_1.0.2\cyusb_linux_1.0.2\docs)
Thanks,
sai krishna.