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HP Prime too complicated
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07-16-2018, 06:53 AM
Post: #46
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RE: HP Prime too complicated
Hello,
Serial coms are "easy". Send bytes, receive bytes... USB is complex! Above the low level packetized send/receive there are various layers of protocol that have to be handled by the OS. HID, MSD... being the most basic examples. On top of this is the "user level" data exchange, which is packetized and COULD be accessed by/through user programs. The problem is really in that OS layer. We could add some user functions to send/reveice through USB, but only for the HID protocol. And this would probably limit significantly the actuall use of the functions. This is why it has kind of fallen by the way side... Especially as most data aquisition systems have quite complex protocols, come with their own PC software to handle all of this and therefore would be 1: a LOT of work for the user to implement in Prime while at the same time not being as good as the PC version... Now, if one of you here is working for a company that makes/use such a device and have a real use for such USB functions (more than just: it would be cool to show that you can do it), then please do PM me and I can see if something could be arranged... Cyrille Although I work for the HP calculator group, the views and opinions I post here are my own. I do not speak for HP. |
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