Settings EEPROM structure¶

Structure¶

Offset	Size	Description
0x100	0x03	board info + CRC16
0x103	0x03	drc area + CRC16
0x106	0x03	device info
0x11E	0x0E	Factory Acc Calibration
0x1AC	0x15	Factory Gyro Calibration
0x12C	0x15	Gyro Calibration
0x153	0x12	Factory TP Calibration
0x19E	0x0E	2nd Factory Acc Calibration
0x1D3	0x12	2nd Factory TP Calibration
0x200	0x03	language bank + CRC16
0x203	0x03
0x206	0x03	Connection mode related? + CRC16
0x20D	0x06	Mic Config + CRC16
0x213	0x0E	Acc Calibration
0x244	0x12	TP Calibration
0x256	0x06	Unknown + ExtId 0 (Language) + CRC16
0x25C	0x06	ExtId 1 (RC Database) + CRC16
0x262	0x06	ExtId 2 + CRC16
0x268	0x06	ExtId 3 + CRC16
0x26E	0x06	ExtId 4 + CRC16
0x274	0x03	InitBootFlag + CRC16
0x277	0x0F
0x286	0x03	LCD Mode + CRC16
0x289	0x0c	TV Control Id + CRC16
0x295	0x03
0x298	0x03	Caffeine Enable Flag + CRC16
0x29B	0x03	Caffeine Initial Boot Flag + CRC16
0x29E	0x03	Caffeine Slot + CRC16
0x2A1	0x03	NotificationSoundMode + CRC16
0x2A4	0x03	NotificationInfo + CRC16
0x2A7	0x04	NotificationReadCount + CRC16

Device Info¶

This is a 8 bit value shown below followed by a CRC16.

Bits	Description
6 - 7	Unused/Unset
4 - 5	Supported connection types: 0b00: Wired 0b01: Wireless 0b10: Both 0b01 on retail.
2 - 3	Production type 0b00: Development 0b01: Mass Enables the “DK Menu”, if both bits are 0. 0b01 on retail.
0 - 1	Shipment status 0b00: Unshipped 0b01: Shipped Shows the service menu, if unshipped. 0b01 on retail.

Touchpad Calibration¶

The touchpad calibration scales the x and y values based on the provided max and min values. The input values are in the range of 0-4096 and get scaled down to 0-854 and 0-480.

Offset	Size	Description
0x00	0x02	newMinX
0x02	0x02	newMinY
0x04	0x02	newMaxX
0x06	0x02	newMaxY
0x08	0x02	oldMinX
0x0A	0x02	oldMinY
0x0C	0x02	oldMaxX
0x0E	0x02	oldMaxY
0x10	0x02	CRC16

Accelerometer Calibration¶

Each accelerometer value is converted to floating point values on the Wii U using the following logic.

float accelX = (float)rawAccelX / (float)(scaleX - offsetX);
float accelY = (float)rawAccelY / (float)(scaleY - offsetY);
float accelZ = (float)rawAccelZ / (float)(scaleZ - offsetZ);

Offset	Size	Description
0x00	0x02	offsetX
0x02	0x02	offsetY
0x04	0x02	offsetZ
0x06	0x02	scaleX
0x08	0x02	scaleY
0x0A	0x02	scaleZ
0x0C	0x02	CRC16

Gyroscope Calibration¶

Each gyroscope value is converted to floating point values on the Wii U using the following logic.

float gyroX = ((float)rawGyroX + offsetX) * ((scaleMult * 6.0f) / (float)scaleX / 360.0f)
float gyroY = ((float)rawGyroY + offsetY) * ((scaleMult * 6.0f) / (float)scaleY / 360.0f)
float gyroZ = ((float)rawGyroZ + offsetZ) * ((scaleMult * 6.0f) / (float)scaleZ / 360.0f)

Offset	Size	Description
0x00	0x03	offsetX
0x03	0x03	offsetY
0x06	0x03	offsetZ
0x09	0x03	scaleX
0x0C	0x03	scaleY
0x0F	0x03	scaleZ
0x12	0x01	scaleMult
0x13	0x02	CRC16

GPIO Controller DRC Firmware Changelog