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Logitech USB steering wheel (view source)
Revision as of 04:14, 19 November 2010
, 04:14, 19 November 2010→On Air Data
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The Force Feedback configuration is sent continuously over the wireless link, which takes the form of a 31 byte payload. These are seen on the SPI bus as they are sent to the RF24L01 output buffer (register 0xA0). The format is as follows:
The Force Feedback configuration is sent continuously over the wireless link, which takes the form of a 31 byte payload. These are seen on the SPI bus as they are sent to the RF24L01 output buffer (register 0xA0). The format is as follows:
: Bytes 1..2 - Negotiated SubChannel Address
: Bytes 1..2 - Negotiated SubChannel Address
−: Byte 3 - Receive Ack (0x40 saw packet, 0x80 missed packet, 0x20 awaiting sync, 0x07..0x04 sync received, 0x10?).
+: Byte 3 - Packet Ack dongle->wheel (0x40 saw packet, 0x80 missed packet, 0x20 awaiting sync, 0x07..0x04 sync received, 0x10 sync now).
: Byte 4 - Unknown
: Byte 4 - Unknown
: Bytes 5..10 - Effect Slot 1
: Bytes 5..10 - Effect Slot 1