tmk
10 years ago
1 changed files with 6 additions and 1 deletions
+ 6
- 1
keyboard/hhkb_rn42/MEMO.txt
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| @@ -4,12 +4,16 @@ Roving RN-42 | |||
| TODO | |||
| ---- | |||
| - Lipo charger configuration: fast charge time | |||
| - Lipo voltage ADC sensing | |||
| - Lipo charger configuration: fast charge time: USB charger spec? | |||
| - Low voltage alarm: LED indcates voltage of Lipo | |||
| - CTS/RTS lines are needed? just connect in loop back if no flow control is needed. | |||
| - CTS is needed for waking up from deep sleep? | |||
| - Serial API callback when data are available/received(and when send buffer is available) | |||
| - Serial API instance several serial ports can be used | |||
| - DCDC converter: squeaky inducter with onsemi NCP1402 | |||
| - Lipo charger MCP73831: needs capacitor 4.7uF *2 | |||
| - Keymap layer bug: during space is pressed(mousekey) press Fn(HHKB) then release space before Fn, in result HHKB layer is locked(toggled) unintentionally. | |||
| DONE: | |||
| - USB connection check - 07.01 | |||
| @@ -17,6 +21,7 @@ DONE: | |||
| - USB/BT switching BT is on -> BT, BT is off -> USB - 07.01 | |||
| - Under voltage lock out UVLO for protection of Lipo - Lipo has discharge protection at 3.100V 07.01 | |||
| - Power saving: HHKB scan, BT radio control - 9h with 850mAh, this is enough 07.01 | |||
| - Power selector doesn't work; Q4 MOSFET leaks from Lipo to USB power line. -- use Schottky instead 07/04 | |||
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