WIP DeviceWebUSBConnection, DeviceWebBluetoothConnection interfaces

For mocking connections.

Author: microbit-grace

lib/bluetooth.ts

@@ -15,8 +15,8 @@ import {
   BoardVersion,
   ConnectionStatus,
   ConnectionStatusEvent,
-  DeviceConnection,
   DeviceConnectionEventMap,
+  DeviceWebBluetoothConnection,
 } from "./device.js";
 import { TypedEventTarget } from "./events.js";
 import { LedMatrix } from "./led.js";
@@ -38,7 +38,7 @@ export interface MicrobitWebBluetoothConnectionOptions {
  */
 export class MicrobitWebBluetoothConnection
   extends TypedEventTarget<DeviceConnectionEventMap & ServiceConnectionEventMap>
-  implements DeviceConnection
+  implements DeviceWebBluetoothConnection
 {
   status: ConnectionStatus = ConnectionStatus.SUPPORT_NOT_KNOWN;
 

lib/device.ts

@@ -212,18 +212,10 @@ export interface DeviceConnection
   /**
    * Get the board version.
    *
-   * @returns the board version or null if there is no connection.
+   * @returns the board version or undefined if there is no connection.
    */
   getBoardVersion(): BoardVersion | undefined;
 
-  /**
-   * Flash the micro:bit.
-   *
-   * @param dataSource The data to use.
-   * @param options Flash options and progress callback.
-   */
-  flash?(dataSource: FlashDataSource, options: {}): Promise<void>;
-
   /**
    * Disconnect from the device.
    */
@@ -232,7 +224,7 @@ export interface DeviceConnection
   /**
    * Write serial data to the device.
    *
-   * Does nothting if there is no connection.
+   * Does nothing if there is no connection.
    *
    * @param data The data to write.
    * @returns A promise that resolves when the write is complete.
@@ -242,5 +234,31 @@ export interface DeviceConnection
   /**
    * Clear device to enable chooseDevice.
    */
-  clearDevice(): void;
+  clearDevice(): Promise<void> | void;
+}
+
+export interface DeviceWebUSBConnection extends DeviceConnection {
+  /**
+   * Get the deviceId.
+   *
+   * @returns the device id or undefined if there is no connection.
+   */
+  getDeviceId(): number | undefined;
+
+  /**
+   * Flash the micro:bit.
+   *
+   * @param dataSource The data to use.
+   * @param options Flash options and progress callback.
+   */
+  flash(dataSource: FlashDataSource, options: {}): Promise<void>;
+}
+
+export interface DeviceWebBluetoothConnection extends DeviceConnection {
+  /**
+   * Sets micro:bit name filter for device requesting.
+   *
+   * @param name The name of the micro:bit.
+   */
+  setNameFilter(name: string): void;
 }

lib/index.ts

@@ -12,9 +12,12 @@ import {
   DeviceConnectionEventMap,
   DeviceError,
   DeviceErrorCode,
+  DeviceWebBluetoothConnection,
+  DeviceWebUSBConnection,
   FlashDataError,
   FlashDataSource,
   FlashEvent,
+  FlashOptions,
   SerialDataEvent,
   SerialErrorEvent,
   SerialResetEvent,
@@ -56,6 +59,9 @@ export type {
   ButtonState,
   DeviceConnection,
   DeviceErrorCode,
+  DeviceWebBluetoothConnection,
+  DeviceWebUSBConnection,
+  FlashOptions,
   FlashDataSource,
   MagnetometerData,
   MagnetometerDataEvent,

lib/usb.ts

@@ -10,13 +10,13 @@ import {
   BoardVersion,
   ConnectionStatus,
   ConnectionStatusEvent,
-  DeviceConnection,
   DeviceConnectionEventMap,
   DeviceError,
   FlashDataError,
   FlashDataSource,
   FlashEvent,
   FlashOptions,
+  DeviceWebUSBConnection as DeviceWebUSBConnection,
   SerialDataEvent,
   SerialErrorEvent,
   SerialResetEvent,
@@ -46,7 +46,7 @@ export interface MicrobitWebUSBConnectionOptions {
  */
 export class MicrobitWebUSBConnection
   extends TypedEventTarget<DeviceConnectionEventMap>
-  implements DeviceConnection
+  implements DeviceWebUSBConnection
 {
   status: ConnectionStatus =
     navigator.usb && !isChromeOS105()

src/demo.ts

@@ -12,6 +12,7 @@ import {
   ConnectionStatus,
   ConnectionStatusEvent,
   DeviceConnection,
+  DeviceWebUSBConnection,
   SerialDataEvent,
 } from "../lib/device";
 import { createUniversalHexFlashDataSource } from "../lib/hex-flash-data-source";
@@ -194,7 +195,7 @@ const createConnectSection = (type: ConnectionType): Section => {
 };
 
 const createFlashSection = (): Section => {
-  if (!connection.flash) {
+  if (typeof connection["flash"] !== "function") {
     return {};
   }
   const dom = crelt(
@@ -209,16 +210,17 @@ const createFlashSection = (): Section => {
           const file = (e.currentTarget as HTMLInputElement).files?.item(0);
           if (file) {
             const text = await file.text();
-            if (connection.flash) {
-              console.time("flash");
-              await connection.flash(createUniversalHexFlashDataSource(text), {
+            console.time("flash");
+            await (connection as DeviceWebUSBConnection).flash(
+              createUniversalHexFlashDataSource(text),
+              {
                 partial: true,
                 progress: (percentage: number | undefined) => {
                   console.log(percentage);
                 },
-              });
-              console.timeEnd("flash");
-            }
+              },
+            );
+            console.timeEnd("flash");
           }
         },
       }),