A HP 15CE keyboard handler bug?

[Martin Hepperle]

I wanted to try out the VoyagerSave Program under Windows 7.

After plugging in, the 15CE was detected as a HID device, but not with a human readable name (HP10b).

However VoyagerSave does not recognize the calculator properly. Could this be a compatibility problem with Windows 7?

VoyagerSave reports
Error: calc size too big: 61440
Error: no calculator found

My calculator firmware shows the checksum C6C6h.

It becomes somewhat confusing, which firmware is which and which would work with VoyagerSave.

So far I found:

• Original firmware: checksum 9090h
• first firmware with DEC fix (and 80 ms key debouncing?): AF90h
• firmware with DEC fix (and ??? ms key debouncing?): C6C6h (in my calculator)
• firmware with 100 ms key debouncing: 0A0Ah
• HP_IAR_USB_120ms.bin (8-bit Checksum 0A) (? same as above?)
  

The last file seems to be the latest, recommended firmware?

   
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