UIC EEPROM structure

The UIC's EEPROM occupies address range 0x1000..0x17FF. (TODO: maybe it occupies more?)

The first 256 bytes are used internally, while the rest is used for user data storage.

https://bitbucket.org/memahaxx/libdrc/src/master/src/device-config.cpp for more info.

0 = open
1 = shared key (?) 

0x00 = disabled
0x01 = none
0x04 = WPA
0x80 = WPA2 

0 = none
1 = WEP
2 = TKIP
3 = AES

Data is stored in little-endian order.

When multiple regions exist for a given information (for example, board info), the first region with a correct CRC16 is selected.

Bit 0-3 of the board info value are the main version, while bit 4-7 are the sub version.

Main version:

• 0 = DK1
• 1 = EP_DK2
• 2 = DP1
• 3 = DP2
• 4 = DK3
• 5 = DK4
• 6 = DP3
• 7 = DK5
• 8 = DP4
• 9 = DKMP
• 10 = DP5
• 11 = MASS
• 12 = DKMP2
• 13 = DRC_I

Sub version:

• 0 = DK1_EP_DK2
• 1 = DP1_DK3
• 2 = DK4
• 3 = DP3
• 4 = DK5
• 5 = DP4
• 6 = DKMP
• 7 = DP5
• 8 = MASS
• 9 = DKMP2
• 10 = DRC_I

• 0 = Japan
• 1 = North America
• 2 = Europe
• 3 = China
• 4 = South Korea
• 5 = Taiwan
• 6 = Australia

Value is 0x15 for retail boards.

If bit0-1 are any value other than 1, the gamepad will enter service mode upon boot.

(0-3 = America, 4-11 = Europe)

• 0 = English
• 1 = French
• 2 = Spanish
• 3 = Portuguese
• 4 = English
• 5 = French
• 6 = Spanish
• 7 = Portuguese
• 8 = Dutch
• 9 = Italian
• 10 = German
• 11 = Russian
• 12 = Japanese
• 13 = Chinese (simplified)
• 14 = Korean
• 15 = Chinese (traditional)

The minimum and maximum values are used to cap the reading from the volume slider within an acceptable range.

TODO: detail how that reading is converted to the final volume setting passed to the audio amplifier

Raw coordinates are 12-bit TSC readings, while screen coordinates are their corresponding values in pixels.

Observed screen coordinates are: 53,30 802,451

This table maps 6 predefined brightness levels to their adequate LCD parameters. See the LCD page for information as to how these settings are used.