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Line 307: − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + Line 369:
Line 370: − + − + − + − + − + − + − + − + − + − + − + − + Line 392:
Line 393: + + + + + + + − − Note that using invalid input with these InfoLED/SetBatteryEmptyLEDPattern commands(especially SetInfoLEDPattern) can cause the system to be bricked(however the boot failure may not begin immediately after using the invalid parameters). Line 489:
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→MCU service "mcu::RTC"
|-
|-
| 0x00060000
| 0x00060000
| ReadGyroscopeValues (reads gyroscopy with corrected values)
| ReadGyroscopeValues (reads 3x s16 gyro ADC values into IPC+8)
|-
|-
| 0x00070000
| 0x00070000
| GetRaw3DSliderPosition
| GetRaw3DSliderPosition (u8 position in IPC+8)
|-
|-
| 0x00080040
| 0x00080040
! Description
! Description
|-
|-
| 0x0001....
| 0x00010080
| SetSystemClock (RTC)
| [[MCURTC:SetRTC|SetRTC]]
|-
|-
| 0x0002....
| 0x00020000
| GetSystemClock (RTC)
| [[MCURTC:GetRTC|GetRTC]]
|-
|-
| 0x0003....
| 0x00030040
| ?
| SetRTCSeconds(u8 seconds)
|-
|-
| 0x0004....
| 0x00040000
| GetSystemClockSeconds
| u8 GetRTCSeconds
|-
|-
| 0x0005....
| 0x00050040
| ?
| SetRTCMinutes(u8 minutes)
|-
|-
| 0x0006....
| 0x00060000
| GetSystemClockMinutes ?
| u8 GetRTCMinutes
|-
|-
| 0x0007....
| 0x00070040
| ?
| SetRTCHours(u8 hours)
|-
|-
| 0x0008....
| 0x00080000
|
| u8 GetRTCHours
|-
|-
| 0x0009....
| 0x00090040
| ?
| SetRTCDayOfWeek(u8 dayno)
|-
|-
| 0x000A....
| 0x000A0000
| ?
| u8 GetRTCDayOfWeek
|-
|-
| 0x000B....
| 0x000B0040
| ?
| SetRTCDayOfMonth(u8 day)
|-
|-
| 0x000C....
| 0x000C0000
| ?
| u8 GetRTCDayOfMonth
|-
|-
| 0x000D....
| 0x000D0040
| ?
| SetRTCMonth(u8 month)
|-
|-
| 0x000E....
| 0x000E0000
| ?
| u8 GetRTCMonth
|-
|-
| 0x000F....
| 0x000F0040
| ?
| SetRTCYear(u8 year) where year = year - 2000
|-
|-
| 0x0010....
| 0x00100000
| ?
| u8 GetRTCYear where year = result + 2000
|-
|-
| 0x0011....
| 0x00110040
| ?
| SetRTCLeapYearCounter(u8 leap)
|-
|-
| 0x0012....
| 0x00120000
| ?
| u8 GetRTCLeapYearCounter
|-
|-
| 0x0013....
| 0x00130080
| ?
| [[MCURTC:SetRTCAlarm|SetRTCAlarm]]
|-
|-
| 0x0014....
| 0x00140000
| ?
| [[MCURTC:GetRTCAlarm|GetRTCAlarm]]
|-
|-
| 0x0015....
| 0x00150040
| ?
| SetRTCAlarmComponent[0] (u8 val)
|-
|-
| 0x0016....
| 0x00160000
| ?
| u8 GetRTCAlarmComponent[0]
|-
|-
| 0x0017....
| 0x00170040
| ?
| SetRTCAlarmComponent[1] (u8 val)
|-
|-
| 0x0018....
| 0x00180000
| ?
| u8 GetRTCAlarmComponent[1]
|-
|-
| 0x0019....
| 0x00190040
| ?
| SetRTCAlarmComponent[2] (u8 val)
|-
|-
| 0x001A....
| 0x001A0000
| ?
| u8 GetRTCAlarmComponent[2]
|-
|-
| 0x001B....
| 0x001B0040
| ?
| SetRTCAlarmComponent[3] (u8 val)
|-
|-
| 0x001C....
| 0x001C0000
| ?
| u8 GetRTCAlarmComponent[3]
|-
|-
| 0x001D....
| 0x001D0040
| ?
| SetRTCAlarmComponent[4] (u8 val)
|-
|-
| 0x001E....
| 0x001E0000
| ?
| u8 GetRTCAlarmComponent[4]
|-
|-
| 0x001F0040
| 0x001F0040
| SetPedometerRecordingMode
| SetPedometerRecordingMode(u8 mode)
|-
|-
| 0x00200000
| 0x00200000
| GetPedometerState
| u8 GetPedometerRecordingMode
|-
|-
| 0x00210080
| 0x00210080
| GetStepCount(for the current day)
| u8 GetStepCount (for the current day)
|-
|-
| 0x0022....
| 0x00220042
| ?
| ReadRegister4Fh(u32 unused_size, translation_param size=0x156 << 4 <nowiki>|</nowiki> 0xC, u8[0x156] ptr)
|-
|-
| 0x0023....
| 0x00230000
| ?
| void ??? writes 1 to register 0x4E which is not writable
|-
|-
| 0x0024....
| 0x00240000
| GetMcuRtcEventHandle. MCU notifications 1, 8, 9, 10, 13, 14 and 15 signal this.
| Handle GetPowerEventHandle. MCU notifications 1, 8, 9, 10, 13, 14 and 15 signal this.
see [[I2C_Registers#Device_3|Register 0x18]]
|-
|-
| 0x0025....
| 0x00250000
| GetMcuRtcEventReason
| u32 GetPowerInterruptHistory
|-
|-
| 0x0026....
| 0x00260000
| ?
| bool CheckRegister02hBit0
|-
|-
| 0x0027....
| 0x00270000
| Disables i2c register 2
| void ClearRegister02hBit0 (does nothing since the register is not writable)
|-
|-
| 0x0028....
| 0x00280000
| ?
| bool CheckRegister02hBit1
|-
|-
| 0x0029....
| 0x00290000
| Same as 0x0027....
| void ClearRegister02hBit1
|-
|-
| 0x002A0000
| 0x002A0000
| GetShellState. This writes the value of I2C-MCU register 0xf bit1 to u8 cmdreply[2].
| bool GetShellState. This writes the value of I2C-MCU register 0xf bit1 to u8 cmdreply[2].
|-
|-
| 0x002B0000
| 0x002B0000
| GetAdapterState. This writes the value of I2C-MCU register 0xf bit3 to u8 cmdreply[2].
| bool GetAdapterState. This writes the value of I2C-MCU register 0xf bit3 to u8 cmdreply[2].
|-
|-
| 0x002C0000
| 0x002C0000
| GetBatteryChargeState. This writes the value of I2C-MCU register 0xf bit4 to u8 cmdreply[2].
| bool GetBatteryChargeState. This writes the value of I2C-MCU register 0xf bit4 to u8 cmdreply[2].
|-
|-
| 0x002D0000
| 0x002D0000
| [[MCURTC:GetBatteryLevel|GetBatteryLevel]]
| [[MCURTC:GetBatteryLevel|GetBatteryLevel]]
|-
|-
| 0x002E....
| 0x002E0000
| ?
| u8 SetPowerModeIndicatorState (see [[I2C_Registers#Device_3|Register 0x29]])
|-
|-
| 0x002F....
| 0x002F0000
| ?
| u8 GetBatteryEmptyPatternByte0_safe™
|-
|-
| 0x0030....
| 0x00300040
| ?
| SetLEDBrightness(u8 brightness) (see [[I2C_Registers#Device_3|Register 0x28]])
|-
|-
| 0x0031....
| 0x00310000
| ?
| u8 GetLEDBrightness (see [[I2C_Registers#Device_3|Register 0x28]])
|-
|-
| 0x0032....
| 0x00320000
| [[MCURTC:PowerOff|PowerOff]] (writes 0x1 to i2c MCU device, reg 0x20)
| void PowerOff (writes 0x1 to i2c MCU device, [[I2C_Registers#Device_3|reg 0x20]])
|-
|-
| 0x0033....
| 0x00330000
| [[MCURTC:HardwareReboot|HardwareReboot]] (writes 0x4 to i2c MCU device, reg 0x20)
| void HardwareReboot (writes 0x4 to i2c MCU device, [[I2C_Registers#Device_3|reg 0x20]])
|-
|-
| 0x0034....
| 0x00340000
| ?
| ResetMcu
|-
|-
| 0x0035....
| 0x00350000
| Writes 0x10 to i2c MCU device, reg 0x20
| Writes 0x10 to i2c MCU device, reg 0x20 (this bit of the register is not writable)
|-
|-
| 0x0036....
| 0x00360040
| SetWatchdogTimer
| SetWatchdogTimer(u8 timer)
|-
|-
| 0x0037....
| 0x00370000
| GetWatchdogTimer
| u8 GetWatchdogTimer
|-
|-
| 0x0038....
| 0x00380042
| ?
| Same as [[MCUHWC:GetInfoRegisters]]
|-
|-
| 0x0039....
| 0x00390082
| SetPlayCountRegisters (u8 index, const u8 *data, u32 size). Write to free reg bank at index+8.
|-
|-
| 0x003A....
| 0x003A0082
| ?
| GetPlayCountRegisters
|-
|-
| 0x003B0640
| 0x003B0640
| [[MCURTC:GetInfoLEDStatus|GetInfoLEDStatus]]
| [[MCURTC:GetInfoLEDStatus|GetInfoLEDStatus]]
|-
|-
| 0x003E....
| 0x003E0040
| ?
| WriteRegister50h(u8 value)
|-
|-
| 0x003F....
| 0x003F0000
| ?
| u8 ReadRegister50h
|-
|-
| 0x0040....
| 0x00400040
| ?
| WriteRegister51h(u8 value)
|-
|-
| 0x0041....
| 0x00410000
| ?
| u8 ReadRegister51h
|-
|-
| 0x00420040
| 0x00420040
| [[MCURTC:SetBatteryEmptyLEDPattern|SetBatteryEmptyLEDPattern]]
| [[MCURTC:SetBatteryEmptyLEDPattern|SetBatteryEmptyLEDPattern]]
|-
|-
| 0x0043....
| 0x00430040
| ?
| SetScreenFlickerTop(u8 flicker)
|-
|-
| 0x0044....
| 0x00440000
| ?
| u8 GetScreenFlickerTop
|-
|-
| 0x0045....
| 0x00450040
| ?
| SetScreenFlickerBottom(u8 flicker)
|-
|-
| 0x0046....
| 0x00460000
| ?
| u8 GetScreenFlickerBottom
|-
|-
| 0x0047....
| 0x00470080
| ?
| SetVolumeSliderBounds(u8 low, u8 high) (see [[I2C_Registers#Device_3|Register 0x58]])
|-
|-
| 0x0048....
| 0x00480000
| ?
| u8 low, u8 high GetVolumeSliderBounds
|-
|-
| 0x0049....
| 0x00490040
| ?
| SetInterruptMask(u32 mask) (see [[I2C_Registers#Device_3|Register 0x18]])
|-
|-
| 0x004A....
| 0x004A0000
| ?
| u32 GetInterruptMask (see [[I2C_Registers#Device_3|Register 0x18]])
|-
|-
| 0x004B....
| 0x004B0000
| ?
| void ExitExclusiveInterruptMode
|-
|-
| 0x004C....
| 0x004C0000
| ?
| void EnterExclusiveInterruptMode
|-
|-
| 0x004D....
| 0x004D0000
| [[MCURTC:ReadHidFlagRegister|ReadHidFlagRegister]] (reads i2c MCU device, reg 0x10)
| [[MCURTC:ReadInterrupt|ReadInterrupt]] (see [[I2C_Registers#Device_3|Register 0x10]])
|-
|-
| 0x004E0040
| 0x004E0040
| [[MCURTC:PublishNotifications|PublishNotifications]]
| [[MCURTC:PublishNotifications|TriggerInterrupt]]
|-
|-
| 0x004F....
| 0x004F0040
| Sets some flag (otherwise set when uploading MCU firmware)
| SetMCUFirmUpdated(u32 flag) used by PTM module
|-
|-
| 0x0050....
| 0x00500000
| Returns the above flag
| u32 IsMCUFirmUpdated
|-
|-
| 0x00510040
| 0x00510040
| [[MCURTC:GetSoftwareClosedFlag|GetSoftwareClosedFlag]]
| [[MCURTC:GetSoftwareClosedFlag|GetSoftwareClosedFlag]]
|-
|-
| 0x0053....
| 0x00530040
| ?
| SetLgyLcdData
|-
|-
| 0x0054....
| 0x00540000
| ?
| GetLgyLcdData
|-
|-
| 0x0055....
| 0x00550040
| ?
| SetLgyNativeResolutionFlag
|-
|-
| 0x0056....
| 0x00560000
| ?
| GetLgyNativeResolutionFlag
|-
|-
| 0x0057....
| 0x00570040
| ?
| SetLocalFriendCodeCounter
|-
|-
| 0x0058....
| 0x00580000
| ?
| GetLocalFriendCodeCounter
|-
|-
| 0x00590040
| 0x00590040
| 0x005A0000
| 0x005A0000
| [[MCURTC:GetLegacyJumpProhibitedFlag|GetLegacyJumpProhibitedFlag]]
| [[MCURTC:GetLegacyJumpProhibitedFlag|GetLegacyJumpProhibitedFlag]]
|-
| 0x005B0040
| SetUUIDClockSequence
|-
| 0x005C0000
| GetUUIDClockSequence
|-
|}
|}
=MCU sound service "mcu::SND"=
=MCU sound service "mcu::SND"=
|-
|-
| 0x000E0080
| 0x000E0080
| ?
| GetBatteryTemperature
|-
|-
| 0x000F00C0
| 0x000F00C0
|-
|-
| 0x00020000
| 0x00020000
| u8 GetSeconds
| [[MCUPLS:GetSeconds|GetSeconds]]
|-
|-
| 0x00030000
| 0x00030000
|-
|-
| 0x00050000
| 0x00050000
| u8 GetRegister33h
| u8 GetDayOfWeek
|-
|-
| 0x00060000
| 0x00060000
=MCU firmware versions=
=MCU firmware versions=
These reside in mcu-module .rodata, are uploaded to MCU register 0x05 and are usually size 0x4003 bytes. (0x4000 bytes with 3 byte magic "jhl"?)
These reside in mcu sysmodule .rodata, are uploaded to MCU register 0x05 and are usually 0x4003 bytes in size (the actual firmware is 0x4000 bytes preceeded by a 3 byte magic header "<code>jhl</code>" which switches the I2C comms into flash write mode).
Switching requires register 0x05 (at address <code>0xFFBA9</code>) to contain 0x6A ('<code>j</code>'), register 0x06 containing 0x68 ('<code>h</code>'), and writing 0x6C ('<code>l</code>') to register 0x07. The actual flashing sequence is only signaled (code at 0x3312-0x331A) when writing register 0x07, it's skipped otherwise. Register 0x07 gets written anyways, just the actual signaling is skipped if the conditions aren't met.
Before the upload could commence, external MCU interrupts are turned off via GPIO command 0x00020080(0, 0x40000), then after the upload completed, the sysmodule waits exactly one second for the MCU to reboot, then turns external MCU interrupts back on via <code>gpio:MCU</code> command 0x00020080(0x40000, 0x40000).
There exists an alternate code path where uploading is done using register 0x3B (decided by making some nonsense conclusions about registers 0x0F and 0x10). This may be a "hack" around early versions of MCU? Register 0x3B is RTC-related on recent versions of MCU, and the "nonsense" condition is not met even on factory MCU firmware.
There exists an alternate code path in very old MCU_FIRM versions where uploading is done using register 0x3B (if register 0x0F is zero and 0x10 is 1). Register 0x3B is part of the RTC alarm registers on recent versions of MCU.
On dev-units, the user-facing representation of this firmware version is displayed by first subtracting 0x10 from the major field (raw register 0x00). It is these user-facing versions that are displayed in the table below. It is unknown what bit4 (0x10) actually represents, but it is seemingly always set.
On dev-units, the user-facing representation of this firmware version is displayed by first subtracting 0x10 from the major field (raw register 0x00). It is these user-facing versions that are displayed in the table below. It is unknown what bit4 (0x10) actually represents, but it is seemingly always set.