@waiting/bankcard-reader-bp8903/dist/lib/index.js

南天 BP8903 读银行卡

import { parseDeviceOpts, } from '@waiting/bankcard-reader-base'
import { info } from '@waiting/log'
import { validateDllFile, } from '@waiting/shared-core'
import * as ffi from 'ffi'
import { of, } from 'rxjs'
import { dllFuncs, } from './config'
import { disconnectDevice, findDeviceList, readAll } from './device'
export async function init(options) {
    const deviceOpts = parseDeviceOpts(options)
    const { debug } = deviceOpts

    if (debug) {
        info(deviceOpts)
    }
    await validateDllFile(deviceOpts.dllTxt)
    const apib = ffi.Library(deviceOpts.dllTxt, dllFuncs)
    const devices = findDeviceList(deviceOpts, apib)

    if (devices && devices.length) {
        return devices
    }
    else {
        throw new Error('未找到读卡设备')
    }
}
/** Read card data */
export function read(device) {
    if (device.openPort) {
        try {
            disconnectDevice(device)
        }
        catch (ex) {
            throw ex
        }
        const ret$ = of(readAll(device))

        return ret$.toPromise()
    }
    else {
        throw new Error('设备端口未指定')
    }
}