libhpcalcs: portable (Windows / MacOS X / Linux) connectivity kit library

[LarsF]

I'm sorry, but that did not help, got the same error. It seem to be a little random when it stops

hpcalcs DEBUG: Dumping IN packet with size 64
hpcalcs DEBUG: 00 00 55 00 53 00 45 00 29 00 3D 00 22 00 7B 00
hpcalcs DEBUG: 7B 00 7D 00 2C 00 7B 00 7D 00 7D 00 22 00 3B 00
hpcalcs DEBUG: 0A 00 45 00 4E 00 44 00 3B 00 0A 00 0A 00 57 00
hpcalcs DEBUG: 61 00 69 00 74 00 46 00 6F 00 72 00 54 00 61 00
hpcables INFO: cable_prime_hid_recv: read 0bytes
hpcalcs INFO: prime_recv_data: breaking due to short packet (1)
hpcalcs WARN: prime_recv_data: expected 18672 bytes but only got 882 bytes, output corrupted
hpcalcs DEBUG: read_vtl_pkt: command matches returned data
hpcalcs INFO: calc_prime_r_recv_file: embedded=687E computed=A5E3
hpcalcs ERROR: calc_prime_r_recv_file: CRC mismatch