Search found 5 matches

by twlbean
Mon May 07, 2012 4:59 pm
Forum: Centralized Controller Platforms
Topic: Sending RMP_CMD_NONE not getting a response
Replies: 2
Views: 4020

Re: Sending RMP_CMD_NONE not getting a response

It turns out I was sending the command without knowing the user feedback bitmap settings. The configured feedback settings (in my case) actually gave less data than expected which left me waiting for more data every time. The fix, for me, was to use the RMP_CMD_FORCE_CONFIG_FEEDBACK_BITMAPS command ...
by twlbean
Wed Apr 25, 2012 2:18 pm
Forum: Centralized Controller Platforms
Topic: Powering on RMP with USB connected fails
Replies: 3
Views: 4692

Powering on RMP with USB connected fails

When I connect the USB line to a hub that is unpowered but connected to running computer, I am unable to power on the RMP. According to the documentation I have, the front lights indicate the processors are in "reset". I have to unplug the USB, power on the RMP, and then plugin the USB line. This pr...
by twlbean
Wed Apr 25, 2012 2:10 pm
Forum: Centralized Controller Platforms
Topic: Sending RMP_CMD_NONE not getting a response
Replies: 2
Views: 4020

Sending RMP_CMD_NONE not getting a response

Documentation for this command says: This command can be used to poll the CCU for data without issuing a command that will result in an action. This command does nothing, but it is valid and will solicit a response. When I send an RMP_CMD_NONE message (with parameter = 0) to the platform I do not ge...
by twlbean
Mon Apr 23, 2012 6:20 pm
Forum: Centralized Controller Platforms
Topic: Force feedback bitmap command sends extra bytes
Replies: 2
Views: 4234

Re: Force feedback bitmap command sends extra bytes

Although the CRC is only 16-bits, the CCU ships all values using 32-bit values including the CRC. The additional 2 bytes are null bytes in the CRC value (16-bit value shipped as a 32). Thanks - that solved my problem. I also discovered that the 2 null bytes in the CRC value must also be included in...
by twlbean
Fri Apr 20, 2012 7:39 pm
Forum: Centralized Controller Platforms
Topic: Force feedback bitmap command sends extra bytes
Replies: 2
Views: 4234

Force feedback bitmap command sends extra bytes

I am using the USB interface, and sending the force feedback bitmap command. The problem I am seeing is that the response is 76 bytes. Per the documentation, I expect to get 74 bytes - (18 bits * 4 bytes) + CRC. If I simply skip the first 2 bytes (0x41, 0x00) of the response, things appear to work. ...