MCUHWC:GetBatteryVoltage
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Request
| Index Word | Description |
|---|---|
| 0 | Header code [0x00040000] |
Response
| Index Word | Description |
|---|---|
| 0 | Header code |
| 1 | Result code |
| 2 | u8 value |
Description
Returns a number which can be used to calculate the voltage using Vref * (value / 256) where Vref seems to be 5.0v.
When the charger is plugged into a fully charged old3DS, the value will be around 0xD1 (~4.1v)
Unplugging the charger will make the value go down to 0xCE (~4v)
The voltage at 5% battery percentage just after the LEDs start flashing is 0xAF (~3.4v)
Plugging in the charger at this point will make the voltage go up to 0xB9 (~3.6v)