Reading Memory

• Output Report 0x17 reads memory:

• • (52) 17 XX XX XX XX YY YY
  • XX XX XX XX is big-endian formatted address
  • YY YY is big-endian formatted size in bytes
  • LSB of first byte is rumble flag and is not part of address, should be set to whatever state the rumble should be

• Responses look like:

• • SE XX XX data...
  • (a1) 21 80 00 f0 11 f0 80 6c 8c ...
  • S shifted right 4 bits is size in bytes, minus 1, of current packet
  • E is error flag:
  • • 8 if reading from bytes that don’t exist
    • 7 if reading from write-only registers
    • 0 if no error
  • XX XX is offset of current packet in big-endian format
  • Rest is data, 16 bytes maximum