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import * as utils from 'sportident/lib/utils';
import {DeviceClosedError, ISiDevice, ISiDeviceDriverData, SiDeviceState} from 'sportident/lib/SiDevice/ISiDevice';
import {ISiDeviceDriver, ISiDeviceDriverWithDetection, SiDeviceDriverWithAutodetectionEvents} from 'sportident/lib/SiDevice/ISiDeviceDriver';
import {SiDevice} from 'sportident/lib/SiDevice/SiDevice';
const siConfiguration = 1;
const siInterface = 0;
const siAlternate = 0;
const siEndpoint = 1;
const siPacketSize = 64;
const siDeviceFilters = [
{vendorId: 0x10c4, productId: 0x800a},
];
const matchesSiDeviceFilters = (
vendorId: number,
productId: number,
) => siDeviceFilters.some(
(filter) => (
vendorId === filter.vendorId
&& productId === filter.productId
),
);
const getIdent = (device: USBDevice) => `${device.serialNumber}`;
export interface NodeUsbSiDeviceDriverData extends ISiDeviceDriverData<NodeUsbSiDeviceDriver> {
driver: NodeUsbSiDeviceDriver;
device: USBDevice;
}
// interface NodeUsbAutodetectionCallbacks {
// onAttach: utils.EventCallback<utils.IEvent<'attach'>>;
// onDetach: utils.EventCallback<utils.IEvent<'detach'>>;
// }
export type INodeUsbSiDevice = ISiDevice<NodeUsbSiDeviceDriverData>;
export type NodeUsbSiDevice = SiDevice<NodeUsbSiDeviceDriverData>;
class NodeUsbSiDeviceDriver implements
ISiDeviceDriver<NodeUsbSiDeviceDriverData>,
ISiDeviceDriverWithDetection<NodeUsbSiDeviceDriverData, []> {
/* ISiDeviceDriverWithAutodetection<NodeUsbSiDeviceDriverData> */
public name = 'NodeUSB';
private siDeviceByIdent:
{[ident: string]: NodeUsbSiDevice} = {};
private autodetectedSiDevices:
{[ident: string]: NodeUsbSiDevice} = {};
// private autodetectionCallbacks?: NodeUsbAutodetectionCallbacks;
constructor(
private nodeUsb: typeof webusb,
) {}
detect(): Promise<NodeUsbSiDevice> {
return Promise.resolve(
this.nodeUsb.requestDevice({
filters: siDeviceFilters,
}),
)
.then((nodeUsbDevice) => {
Iif (!nodeUsbDevice) {
throw new Error('no device found');
}
return this.autodetectSiDevice(nodeUsbDevice);
});
}
getSiDevice(nodeUsbDevice: USBDevice): NodeUsbSiDevice {
const ident = getIdent(nodeUsbDevice);
if (this.siDeviceByIdent[ident] !== undefined) {
return this.siDeviceByIdent[ident];
}
const newSiDeviceData: NodeUsbSiDeviceDriverData = {
driver: this,
device: nodeUsbDevice,
};
const newSiDevice = new SiDevice(ident, newSiDeviceData);
this.siDeviceByIdent[ident] = newSiDevice;
return newSiDevice;
}
//
// forgetSiDevice(
// siDevice: NodeUsbSiDevice,
// ) {
// const nodeUsbDevice = siDevice.data.device;
// const ident = getIdent(nodeUsbDevice);
// delete this.siDeviceByIdent[ident];
// if (this.autodetectedSiDevices[ident] !== undefined) {
// this.dispatchEvent('remove', new SiDeviceRemoveEvent(siDevice));
// }
// delete this.autodetectedSiDevices[ident];
// }
//
// startAutoDetection(): Promise<INodeUsbSiDevice[]> {
// this.registerAutodetectionCallbacks();
// return this.getAutodetectedDevices();
// }
//
// getAutodetectedDevices(): Promise<NodeUsbSiDevice[]> {
// return this.nodeUsb.getDevices()
// .then((nodeUsbDevices: iNodeUsb.NodeUsbDevice[]) => (
// this.autodetectSiDevices(nodeUsbDevices)
// ));
// }
//
// autodetectSiDevices(
// nodeUsbDevices: iNodeUsb.NodeUsbDevice[]
// ): Promise<NodeUsbSiDevice[]> {
// // TODO: Make this easier when Promise.allSettled polyfill is available
// return new Promise((resolve) => {
// let numSettled = 0;
// const devices: NodeUsbSiDevice[] = [];
// const onSettled = () => {
// numSettled += 1;
// if (numSettled === nodeUsbDevices.length) {
// resolve(devices);
// }
// };
// nodeUsbDevices.forEach(
// (nodeUsbDevice: iNodeUsb.NodeUsbDevice) => (
// this.autodetectSiDevice(nodeUsbDevice)
// .then((siDevice: NodeUsbSiDevice) => {
// devices.push(siDevice);
// onSettled();
// })
// .catch(() => onSettled())
// )
// )
// });
// }
autodetectSiDevice(nodeWebUsbDevice: USBDevice): Promise<NodeUsbSiDevice> {
Iif (!matchesSiDeviceFilters(
nodeWebUsbDevice.vendorId,
nodeWebUsbDevice.productId,
)) {
return Promise.reject(new Error('Not a SI device'));
}
const ident = getIdent(nodeWebUsbDevice);
Iif (this.autodetectedSiDevices[ident] !== undefined) {
return Promise.reject(new Error('Duplicate SI device'));
}
const siDevice = this.getSiDevice(nodeWebUsbDevice);
this.autodetectedSiDevices[ident] = siDevice;
return siDevice.open();
}
// registerAutodetectionCallbacks(): void {
// if (this.autodetectionCallbacks !== undefined) {
// return;
// }
// const onConnectCallback = (event: iNodeUsb.WebUsbConnectEvent) => {
// const nodeUsbDevice = event.device;
// this.autodetectSiDevice(nodeUsbDevice)
// .then((openedDevice: NodeUsbSiDevice) => {
// this.dispatchEvent('add', new SiDeviceAddEvent(openedDevice));
// });
// };
// this.nodeUsb.addEventListener('connect', onConnectCallback);
// const onDisconnectCallback = (event: iNodeUsb.WebUsbDisconnectEvent) => {
// const nodeUsbDevice = event.device;
// const ident = getIdent(nodeUsbDevice);
// const siDevice = this.siDeviceByIdent[ident];
// if (siDevice === undefined) {
// return;
// }
// this.forgetSiDevice(siDevice);
// };
// this.nodeUsb.addEventListener('disconnect', onDisconnectCallback);
// this.autodetectionCallbacks = {
// onConnect: onConnectCallback,
// onDisconnect: onDisconnectCallback,
// };
// }
//
// stopAutoDetection(): Promise<unknown> {
// this.deregisterAutodetectionCallbacks();
// return this.closeAutoOpened();
// }
//
// deregisterAutodetectionCallbacks(): void {
// if (this.autodetectionCallbacks === undefined) {
// return;
// }
// this.nodeUsb.removeEventListener('connect', this.autodetectionCallbacks.onConnect);
// this.nodeUsb.removeEventListener('disconnect', this.autodetectionCallbacks.onDisconnect);
// this.autodetectionCallbacks = undefined;
// }
//
// closeAutoOpened(): Promise<unknown> {
// return Promise.all(
// Object.values(this.autodetectedSiDevices).map(
// (autoOpenedDevice) => autoOpenedDevice.close(),
// ),
// )
// .then(() => {
// this.autodetectedSiDevices = {};
// });
// }
open(device: INodeUsbSiDevice): Promise<unknown> {
console.debug('Opening...');
const nodeDevice = device.data.device;
return nodeDevice.open()
.then(() => {
console.debug('Resetting...');
return nodeDevice.reset();
})
.then(() => {
console.debug('Selecting Configuration...');
return nodeDevice.selectConfiguration(siConfiguration);
})
.then(() => {
console.debug('Claiming Interface...');
return nodeDevice.claimInterface(siInterface);
})
.then(() => {
console.debug('Selection Alternate Interface...');
return nodeDevice.selectAlternateInterface(siInterface, siAlternate);
})
.then(() => {
console.debug('Enabling Serial...');
return nodeDevice.controlTransferOut({
requestType: 'vendor',
recipient: 'interface',
request: 0x00,
value: 0x01,
index: siInterface,
});
})
.then(() => {
console.debug('Setting Baudrate...');
return nodeDevice.controlTransferOut({
requestType: 'vendor',
recipient: 'interface',
request: 0x1E,
value: 0x00,
index: siInterface,
}, new Uint8Array([0x00, 0x96, 0x00, 0x00]).buffer);
})
.then(() => true);
}
close(
device: INodeUsbSiDevice,
): Promise<unknown> {
console.debug('Disabling Serial...');
const nodeDevice = device.data.device;
return nodeDevice.controlTransferOut({
requestType: 'vendor',
recipient: 'interface',
request: 0x00,
value: 0x00,
index: siInterface,
})
.then(() => {
console.debug('Releasing Interface...');
return nodeDevice.releaseInterface(siInterface);
})
.then(() => {
console.debug('Closing Device...');
return nodeDevice.close();
})
.then(() => true);
}
receive(
device: INodeUsbSiDevice,
): Promise<number[]> {
const nodeDevice = device.data.device;
Iif (nodeDevice.opened !== true) {
console.warn('Device has been closed. Stopping receive loop.');
device.setState(SiDeviceState.Closed);
throw new DeviceClosedError();
}
return nodeDevice.transferIn(siEndpoint, siPacketSize)
.then((response) => {
Iif (!response.data) {
return [];
}
const uint8Data = new Uint8Array(response.data.buffer);
return [...uint8Data];
});
}
send(
device: INodeUsbSiDevice,
uint8Data: number[],
): Promise<unknown> {
const nodeDevice = device.data.device;
const buffer = new Uint8Array(uint8Data);
return nodeDevice.transferOut(siEndpoint, buffer)
.then(() => true);
}
}
// eslint-disable-next-line @typescript-eslint/no-empty-interface
interface NodeUsbSiDeviceDriver extends utils.EventTarget<SiDeviceDriverWithAutodetectionEvents<NodeUsbSiDeviceDriverData>> {}
utils.applyMixins(NodeUsbSiDeviceDriver, [utils.EventTarget]);
export const getNodeUsbSiDeviceDriver = (
nodeWebUsb: typeof webusb,
): NodeUsbSiDeviceDriver => new NodeUsbSiDeviceDriver(nodeWebUsb);
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