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96 lines
3.3 KiB
Markdown
96 lines
3.3 KiB
Markdown
| Supported Targets | ESP32 |
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| ----------------- | ----- |
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# ESP-IDF BT/BLE HID Device Demo
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This demo use APIs which esp_hid component provided to create a BT, BLE or Bluetooth dual mode hid device. Users can choose mode by setting `HID_DEV_MODE`.
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This example works in companion with the [BLE HID Host Example](../esp_hid_host/README.md)
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## How to Use Example
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Before project configuration and build, be sure to set the correct chip target using:
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```bash
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idf.py set-target <chip_name>
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```
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The BT hid device plays as a mouse. When the connection is successfully established, users can follow the usage below to operate the 'mouse'.
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```
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########################################################################
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BT hid mouse demo usage:
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You can input these value to simulate mouse: 'q', 'w', 'e', 'a', 's', 'd', 'h'
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q -- click the left key
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w -- move up
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e -- click the right key
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a -- move left
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s -- move down
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d -- move right
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h -- show the help
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########################################################################
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```
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The BLE hid device plays as a remote control. When the connection is successfully established, the remote control will set volume up and down periodically.
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This example implements a BLE HID device.
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### Hardware Required
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* A development board with ESP32 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.)
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* A USB cable for Power supply and programming
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See [Development Boards](https://www.espressif.com/en/products/devkits) for more information about it.
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### Configure the Project
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### Build and Flash
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Build the project and flash it to the board, then run monitor tool to view serial output.
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```
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idf.py -p PORT flash monitor
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```
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(To exit the serial monitor, type ``Ctrl-]``.)
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See the [Getting Started Guide](https://idf.espressif.com/) for full steps to configure and use ESP-IDF to build projects.
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## Example Output
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```
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I (0) cpu_start: Starting scheduler on APP CPU.
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I (607) BTDM_INIT: BT controller compile version [d03a5d3]
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I (607) system_api: Base MAC address is not set
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I (607) system_api: read default base MAC address from EFUSE
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I (617) phy_init: phy_version 4670,719f9f6,Feb 18 2021,17:07:07
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W (1337) BT_BTM: BTM_BleWriteAdvData, Partial data write into ADV
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I (1357) HID_DEV_DEMO: START
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I (25067) HID_DEV_DEMO: CONNECT
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I (25357) HID_DEV_DEMO: Send the volume
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E (25437) BT_SMP: Value for numeric comparison = 125657
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I (25437) ESP_HID_GAP: BLE GAP NC_REQ passkey:125657
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W (25517) BT_SMP: FOR LE SC LTK IS USED INSTEAD OF STK
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I (25587) ESP_HID_GAP: BLE GAP KEY type = ESP_LE_KEY_LENC
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I (25587) ESP_HID_GAP: BLE GAP KEY type = ESP_LE_KEY_PENC
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I (25587) ESP_HID_GAP: BLE GAP KEY type = ESP_LE_KEY_LID
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I (25647) ESP_HID_GAP: BLE GAP KEY type = ESP_LE_KEY_PID
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I (25757) ESP_HID_GAP: BLE GAP AUTH SUCCESS
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I (27457) HID_DEV_DEMO: Send the volume
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I (29557) HID_DEV_DEMO: Send the volume
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I (31657) HID_DEV_DEMO: Send the volume
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I (33757) HID_DEV_DEMO: Send the volume
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I (35857) HID_DEV_DEMO: Send the volume
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I (37957) HID_DEV_DEMO: Send the volume
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I (40057) HID_DEV_DEMO: Send the volume
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I (42157) HID_DEV_DEMO: Send the volume
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I (44257) HID_DEV_DEMO: Send the volume
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I (46357) HID_DEV_DEMO: Send the volume
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I (48457) HID_DEV_DEMO: Send the volume
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I (50557) HID_DEV_DEMO: Send the volume
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...
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```
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## Troubleshooting
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For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.
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