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95 lines
2.4 KiB
Markdown
95 lines
2.4 KiB
Markdown
Copyright 2016 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Summary
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=====================================
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Circuit diagram and firmware of Google Japanese Input physical flick version.
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Files
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=====================================
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* README.md -- this file
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* arduino/flick/* -- firmware source code (Arduino sketch)
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* circuit.png -- circuit diagram
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Building your device
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=====================================
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## Electronic parts
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* Arduino Nano * 1
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* RN-42-I/RM * 1
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* SJoys 2-axes joystick module (Sainsmart) * 12
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* MCP3208 * 3
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* 0.1uF ceramic capacitor * 4
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* 470 ohm resistor * 1
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* 1k ohm resistor * 1
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* Connectors
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## RN42 configuration
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This step is required for the first time, or when changing the device's name.
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See Microchip's documents for detail.
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1. Run a terminal emulator and open the serial port for Arduino.
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2. Type '!' to enter pass-through mode.
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3. Type '$$$'.
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4. Configure the module by these commands:
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* * * * * *
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SU,115k
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SM,6
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SA,2
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S~,6
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SH,0000
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SN,MY_PHYSICAL_FLICK_KEYBOARD
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R,1
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* * * * * *
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MY\_PHYSICAL\_FLICK\_KEYBOARD is a device name that will appear when you scan
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Bluetooth devices, and can be replaced by your preferred name.
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The commands will configure the module as follows:
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* 115200bps
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* Pairing mode
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* SSP "just works" mode
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* SPP profile
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* HID flag register = 0 (keyboard)
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Using flick input
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=====================================
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## Power supply
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When operating the device, supply power by USB cables to Arduino Nano.
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## Bluetooth pairing
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Using your device (e.g. Android phone), scan Bluetooth devices and you will
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find MY\_PHYSICAL\_FLICK\_KEYBOARD (or the name you set up) in the available
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device list.
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After pairing, find the device in the "physical keyboard" section and choose
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"English - U.S." keyboard layout for it.
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## How to input
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Switch the Japanese IME on the paired device to romaji input mode.
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Characters will be input as flick or press a key.
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