Thanks Charles, I'll give it a try. Charles Lepple wrote: > On Oct 2, 2008, at 1:25 PM, Christopher Moore wrote: > >> Hey everyone, >> >> I have a question about usage path and formatting a >> hid_set_output/input_report. >> >> Given the output below, I'm trying to: >> >> send a report to: Report ID #4, I believe the Path to be: >> PATHLEN = 2 >> PATH_OUT = [0x000B0001,0x0014002C] or is it [0x0B01,0x142C]? >> SEND_PACKET_LEN = 8 > > (By the way, if you're using Python, it calculates the length of the > list/tuple before passing that to the C portion of libhid. So PATHLEN > is not needed.) > > It's the first one - 0x000B0001 etc. > > The elements of the usage path are 32-bit numbers, composed of the > usage page in the upper 16 bits, and the usage in the lower 16 bits. > >> receive a report from: Report ID #3 (same as above ... which seems >> wierd...) >> PATHLEN = 2 >> PATH_OUT = [0x000B0001,0x0014002C] or is it [0x0B01,0x142C]? >> RECEIVE_PACKET_LEN = 7 >> >> Is my assumption/formatting correct? > > I think so. > > It's OK to have the same path for inputs, outputs and features. (For > instance, with a file, you can read or write to it.) > > You just have to use the proper function for each item. >
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