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Update Bluetooth docs (#4062) 

* syncing upstream

* Bluetooth Doc update

More Description in bluetooth section, Addition to Config options rules.mk section.

* merge upstream

chibios

* lib/chibios checkout

* Additional EZ key Section

added back EZ-Key diy link, Cleaned up some errors
master
chipperdoodles 2018-10-07 11:23:41 -07:00 committed by Drashna Jaelre
parent be2610b6da
commit 914d42acd0
2 changed files with 34 additions and 2 deletions
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docs/config_options.md
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@ -245,7 +245,9 @@ Use these to enable or disable building certain features. The more you have enab
* `UNICODE_ENABLE`
* Unicode
* `BLUETOOTH_ENABLE`
* Enable Bluetooth with the Adafruit EZ-Key HID
* Legacy option to Enable Bluetooth with the Adafruit EZ-Key HID. See BLUETOOTH
* `BLUETOOTH`
* Current options are AdafruitEzKey, AdafruitBLE, RN42
* `SPLIT_KEYBOARD`
* Enables split keyboard support (dual MCU like the let's split and bakingpy's boards) and includes all necessary files located at quantum/split_common
* `WAIT_FOR_USB`

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docs/feature_bluetooth.md
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@ -1,10 +1,40 @@
# Bluetooth
## Bluetooth Functionality
## Bluetooth Known Supported Hardware
Currently Bluetooth support is limited to AVR based chips. For Bluetooth 2.1 Qmk has support for RN-42 HID Firmware and Bluefruit EZ Key the later of which is not produced anymore. For more recent BLE protocols currently only the Adafruit Bluefruit SPI friend is directly supported. BLE is needed to connect to iOS devices. Note iOS does not support Mouse Input.
|Board |Bluetooth Protocol |Connection Type |Rules.mk |Bluetooth Chip|
|----------------------------------------------------------------|----------------------------|----------------|---------------------------|--------------|
|[Adafruit EzKey HID]("https://www.adafruit.com/product/1535") |Bluetooth Classic | UART | BLUETOOTH = AdafruitEZKey | |
|Rover Networks RN-42 (Sparkfun Bluesmirf) |Bluetooth Classic | UART | BLUETOOTH = RN42 | RN-42 |
|[Bluefruit LE SPI Friend](https://www.adafruit.com/product/2633)|Bluetooth Low Energy | SPI | BLUETOOTH = AdafruitBLE | nRF5182 |
Not Supported Yet but possible:
* [Bluefruit LE UART Friend](https://www.adafruit.com/product/2479). [Possible tmk implementation found in](https://github.com/tmk/tmk_keyboard/issues/514)
* HC-05 boards flashed with RN-42 firmware. They apparently both use the CSR BC417 Chip. Flashing it with RN-42 firmware gives it HID capability.
* [Sparkfun Bluetooth mate](https://www.sparkfun.com/products/14839)
* HM-13 based boards
### Adafruit BLE SPI Friend
Currently The only bluetooth chipset supported by QMK is the Adafruit Bluefruit SPI Friend. It's a Nordic nRF5182 based chip running Adafruit's custom firmware. Data is transmitted via Adafruit's SDEP over Hardware SPI. The [Feather 32u4 Bluefruit LE](https://www.adafruit.com/product/2829) is supported as it's an AVR mcu connected via SPI to the Nordic BLE chip with Adafruit firmware. If Building a custom board with the SPI friend it would be easiest to just use the pin selection that the 32u4 feather uses but you can change the pins in the config.h options with the following defines:
* #define AdafruitBleResetPin D4
* #define AdafruitBleCSPin B4
* #define AdafruitBleIRQPin E6
A Bluefruit UART friend can be converted to an SPI friend, however this [requires](https://github.com/qmk/qmk_firmware/issues/2274) some reflashing and soldering directly to the MDBT40 chip.
## Adafruit EZ-Key hid
This requires [some hardware changes](https://www.reddit.com/r/MechanicalKeyboards/comments/3psx0q/the_planck_keyboard_with_bluetooth_guide_and/?ref=search_posts), but can be enabled via the Makefile. The firmware will still output characters via USB, so be aware of this when charging via a computer. It would make sense to have a switch on the Bluefruit to turn it off at will.
<!-- FIXME: Document bluetooth support more completely. -->
## Bluetooth Rules.mk Options
Use only one of these
* BLUETOOTH_ENABLE = yes (Legacy Option)
* BLUETOOTH = RN42
* BLUETOOTH = AdafruitEZKey
* BLUETOOTH = AdafruitBLE
## Bluetooth Keycodes