quicksand09
New member
I have a CFA-635 6-button module and was able to get it working great under XP with the software that was included. The ultimate goal for this module is to place it in a medical design where an FPGA will be controlling the module. I have just begun development for this and I am at the stage of getting the default factory "welcome screen" to show up when I plug the USB cable into my board. I was expecting the message to display as long as there was 5V on the VBUS line but that is not the case.
Is there some type of initialization packet that needs to be sent to the module to get it to execute the current Boot State? I noticed that the message doesn't appear when plugged into a PC that doesn't have the drivers installed either. Is there something in the drivers that is done when a connection of a 635 module is recognized on a USB port?
Is there some type of initialization packet that needs to be sent to the module to get it to execute the current Boot State? I noticed that the message doesn't appear when plugged into a PC that doesn't have the drivers installed either. Is there something in the drivers that is done when a connection of a 635 module is recognized on a USB port?
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