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Support a file copy to flash a firmware.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| import { IBootloader, IBootloaderReadResult } from '../Bootloader'; | ||
| import { | ||
| FirmwareWriterPhaseListener, | ||
| FirmwareWriterProgressListener, | ||
| } from '../FirmwareWriter'; | ||
| import { IResult } from '../Types'; | ||
|
|
||
| export class WebFileSystem implements IBootloader { | ||
| private directoryHandle: any | undefined; | ||
|
|
||
| constructor() { | ||
| this.directoryHandle = undefined; | ||
| } | ||
|
|
||
| async open(): Promise<IResult> { | ||
| try { | ||
| this.directoryHandle = await window.showDirectoryPicker({ | ||
| mode: 'readwrite', | ||
| }); | ||
| return { success: true }; | ||
| } catch (error) { | ||
| return { | ||
| success: false, | ||
| error: `Opening a directory failed: ${error}`, | ||
| cause: error, | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| async read( | ||
| // eslint-disable-next-line no-unused-vars | ||
| size: number, | ||
| // eslint-disable-next-line no-unused-vars | ||
| progress: FirmwareWriterProgressListener, | ||
| // eslint-disable-next-line no-unused-vars | ||
| phase: FirmwareWriterPhaseListener | ||
| ): Promise<IBootloaderReadResult> { | ||
| throw new Error('This method never be called.'); | ||
| } | ||
|
|
||
| async verify( | ||
| // eslint-disable-next-line no-unused-vars | ||
| bytes: Uint8Array, | ||
| // eslint-disable-next-line no-unused-vars | ||
| progress: FirmwareWriterProgressListener, | ||
| // eslint-disable-next-line no-unused-vars | ||
| phase: FirmwareWriterPhaseListener | ||
| ): Promise<IResult> { | ||
| throw new Error('This method never be called.'); | ||
| } | ||
|
|
||
| async write( | ||
| flashBytes: Uint8Array, | ||
| // eslint-disable-next-line no-unused-vars | ||
| eepromBytes: Uint8Array | null, | ||
| progress: FirmwareWriterProgressListener, | ||
| phase: FirmwareWriterPhaseListener | ||
| ): Promise<IResult> { | ||
| if (this.directoryHandle === undefined) { | ||
| throw new Error('A target directory is not opened.'); | ||
| } | ||
| try { | ||
| progress('Start writing firmware to a file.'); | ||
| const fileHandle = await this.directoryHandle.getFileHandle( | ||
| 'firmware.uf2', | ||
| { create: true } | ||
| ); | ||
| const writable = await fileHandle.createWritable(); | ||
| await writable.write(flashBytes); | ||
| await writable.close(); | ||
| progress('Writing firmware to a file is completed.'); | ||
| phase('wrote'); | ||
| this.directoryHandle = undefined; | ||
| phase('closed'); | ||
| return { success: true }; | ||
| } catch (error) { | ||
| return { | ||
| success: false, | ||
| error: `Writing firmware to a file failed: ${error}`, | ||
| cause: error, | ||
| }; | ||
| } | ||
| } | ||
| } |
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