Subsystem
|
basic status
|
extended status
|
notes
|
Kinetis-W CPU |
OK |
|
basic SWIO functions OK, OS operational
|
WS2812B driver |
OK |
|
confirmed CPU has GPIO performance to operate on-board LEDs; extended chain testing TBD
|
I2C |
OK |
|
|
SPI |
OK |
|
|
OLED |
OK |
|
|
UART |
OK |
|
Works well enough for chibiOS
|
Integrated radio |
|
|
|
BLE |
|
|
|
Accelerometer |
OK |
|
|
Microphone |
ECO1 |
|
Schematic symbol mirrored; requires board respin
|
MPR121 |
OK |
|
|
Jog dial + buttons |
OK |
|
OK for direct touch on dielectric. Not yet tested for capacitive projection through ABS bezel.
|
GPIO expander |
OK |
|
|
Fancy battery charger |
OK |
|
|
Shipping state power |
OK |
OK |
immeasurable leakage when in "ship mode" e.g. soft battery disconnect state
|
Gas gauge |
OK/ECO3 |
|
gas gauge itself works fine, talks on I2C; but topological position is incorrect and requires ECO3 to be effective
|
USB charging port |
OK |
|
|
USB charging port OC protect |
|
|
|
Cheesy battery charger option |
N/A |
|
not populated in EVT1
|
Cheesy battery level option |
N/A |
|
not populated in EVT1
|
On-state power characterization |
|
|
|
Standby power characterization |
|
|
|