From 2de447402e27396aeb5796570ede338ad05a6d63 Mon Sep 17 00:00:00 2001
From: Haiyi <1021441632@qq.com>
Date: Tue, 28 Jun 2022 14:04:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9A=82=E5=AD=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/pages/sampleComparison/index.module.scss |   8 +
 src/pages/sampleComparison/index.tsx         |  46 +-
 src/use/BlueToothCopy.tsx                    | 477 +++++++++++++++++++
 3 files changed, 522 insertions(+), 9 deletions(-)
 create mode 100644 src/use/BlueToothCopy.tsx

diff --git a/src/pages/sampleComparison/index.module.scss b/src/pages/sampleComparison/index.module.scss
index fd9517c..8ee7104 100644
--- a/src/pages/sampleComparison/index.module.scss
+++ b/src/pages/sampleComparison/index.module.scss
@@ -94,6 +94,7 @@ page {
                     font-family: Microsoft YaHei, Microsoft YaHei-Regular;
                     font-weight: 400;
                     color: #707070;
+
                 }
 
             }
@@ -101,6 +102,13 @@ page {
             .color_bock {
                 width: 290px;
                 height: 290px;
+                border-radius: 50%;
+            }
+
+            .color_bocktwo {
+                width: 290px;
+                height: 290px;
+                border-radius: 50%;
             }
 
             .nameColor {
diff --git a/src/pages/sampleComparison/index.tsx b/src/pages/sampleComparison/index.tsx
index b8c9cf7..982e58c 100644
--- a/src/pages/sampleComparison/index.tsx
+++ b/src/pages/sampleComparison/index.tsx
@@ -3,6 +3,7 @@ import { Image, Text, Textarea, View } from "@tarojs/components"
 import Taro, { useDidShow, usePullDownRefresh, useRouter } from "@tarojs/taro";
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { useBluetooth } from "@/use/contextBlueTooth"
+import { useBluetoothTwo } from "@/use/BlueToothCopy"
 import classnames from "classnames";
 import LinkBlueTooth from "./compoents/bluetooth/LinkBlueTooth";
 import { toRgb } from '@/common/bluetooth/color/colorSpace'
@@ -21,10 +22,22 @@ export default () => {
         product_kind_id: '',
         component: ''
     })
+
+    const [colorList, setColorList] = useState({
+        one: [],
+        two: []
+    })
     const { state: colorState, measureAndGetLab } = useBluetooth()
-    const getLab = () => {
+
+    const getLab = async (val) => {
         if (colorState.connected) {
-            measureAndGetLab()
+            let res = await measureAndGetLab()
+            if (val === 1) {
+                setColorList({ ...colorList, one: res })
+            } else {
+                setColorList({ ...colorList, two: res })
+                console.log('colorList',colorList)
+            }
         } else {
             Taro.showToast({
                 title: '请链接设备',
@@ -32,15 +45,24 @@ export default () => {
             })
         }
     }
+
     //监听lab数据变化
     const [blueToothColor, setBlueToothColor] = useState('')
+    const [blueToothColorTwo, setBlueToothColorTwo] = useState('')
     useEffect(() => {
         if (colorState.deviceLab) {
             const rgb = toRgb([colorState.deviceLab.L, colorState.deviceLab.a, colorState.deviceLab.b])
-            setBlueToothColor(`rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`)
-            setSearchField({ ...searchField, l: rgb[0], a: rgb[1], b: rgb[2], size: 10 })
+            console.log(colorList, 'colorList.one.lengthcolorList.one.length')
+            if (colorList.one?.constructor === Object) {
+                setBlueToothColor(`rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`)
+                console.log(blueToothColor, 'blueToothColorblueToothColor')
+            }
+            if (colorList.two?.constructor === Object) {
+                setBlueToothColorTwo(`rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`)
+            }
+            // setSearchField({ ...searchField, l: rgb[0], a: rgb[1], b: rgb[2], size: 10 })
         }
-    }, [colorState.deviceLab])
+    }, [colorList])
     return (
         <View className={styles.body}>
             {/* <View className={styles.topBox}>
@@ -58,7 +80,7 @@ export default () => {
                     <View className={styles.firstLeftName} >对比样品</View>
                     {
                         blueToothColor === '' &&
-                        <View className={styles.firstLeftbox} onClick={() => getLab()}>
+                        <View className={styles.firstLeftbox} onClick={() => getLab(1)}>
                             <View className={styles.clickFont} >点击取色</View>
                         </View>
                     }
@@ -69,9 +91,15 @@ export default () => {
                 </View>
                 <View className={styles.firstBox}>
                     <View className={styles.firstLeftName}>对比样品</View>
-                    <View className={styles.firstLeftbox}>
-                        <View className={styles.clickFont} onClick={() => getLab()}>点击取色</View>
-                    </View>
+                    {
+                        blueToothColorTwo === '' &&
+                        <View className={styles.firstLeftbox} onClick={() => getLab(2)}>
+                            <View className={styles.clickFont} >点击取色</View>
+                        </View>
+                    }
+                    {blueToothColorTwo && <View className={classnames(styles.color_bocktwo)} style={{ background: blueToothColorTwo }}></View>
+
+                    }
                     <View className={styles.nameColor}>--</View>
                 </View>
             </View>
diff --git a/src/use/BlueToothCopy.tsx b/src/use/BlueToothCopy.tsx
new file mode 100644
index 0000000..0d07766
--- /dev/null
+++ b/src/use/BlueToothCopy.tsx
@@ -0,0 +1,477 @@
+import React, {useRef, useState } from "react"
+import Taro from "@tarojs/taro";
+import { Command } from "@/common/bluetooth/command";
+import { uint8ArrayToFloat32, uint8ArrayToHex, waitFor } from "@/common/bluetooth/utils";
+
+
+interface params {
+    init: () => void
+    state: Object,
+    startScan: () => void,
+    measureAndGetLab: () => any,
+    getAdapterState: () => void,
+    connect: (any) => void,
+    disconnect: () => void
+}
+const Context = React.createContext<params|unknown>(null)
+
+interface stateStype {
+    listeners: any,
+    discovering: boolean,
+    available: boolean,
+    connected: any,
+    connecting: any,
+    serviceRule: any,
+    serviceId: any,
+    characteristicRule: any,
+    characteristicId: any,
+
+    /** 正在执行的命令 */
+    command: any,
+    responseResolve: any,
+    responseReject: any,
+    responseTimer: any,
+
+    /** 是否显示蓝牙调试信息 */
+    debug: any,
+    //搜索到的设备
+    devices: any,
+    //取色仪主动返回的数据
+    deviceLab: any
+}
+
+let stateObj: stateStype = {
+    /** 事件监听器 */ 
+    listeners: new Set(),
+    /** 正在扫描设备 */
+    discovering: false,
+    /** 蓝牙是否可用 */
+    available: true,
+    /** 当前连接的设备 */
+    connected: null,
+    /** 正在连接的设备 */
+    connecting: null,
+
+    serviceRule: /^0000FFE0/,
+    serviceId: null,
+    characteristicRule: /^0000FFE1/,
+    characteristicId: null,
+
+    /** 正在执行的命令 */
+    command: null,
+    responseResolve: null,
+    responseReject: null,
+    responseTimer: null,
+
+    /** 是否显示蓝牙调试信息 */
+    debug: true,
+    //搜索到的设备
+    devices: [],
+    //取色仪主动返回的数据
+    deviceLab: null
+}
+
+export default (props) => {
+    let refStatus = useRef(stateObj)
+    let [state, setState] = useState(refStatus.current)
+
+    const changeStatus =  (obj:Object): void => {
+        refStatus.current = {...refStatus.current, ...obj}
+        setState({...refStatus.current})
+    }
+
+    const init = async () => {
+        try{
+            await openAdapter();
+        }catch(e) {
+            changeStatus({available:false})
+        }
+        
+        // 绑定事件通知
+        Taro.onBluetoothAdapterStateChange(res => {
+            emit({ type: 'stateUpdate', detail: res });
+        });
+        Taro.onBLEConnectionStateChange(res => {
+            emit({ type: res.connected ? 'connected' : 'disconnect', detail: res });
+        });
+        Taro.onBLECharacteristicValueChange(({ value }) => notifySubscriber(value));
+        subscribe(async ev => {
+            if (ev.type === 'stateUpdate') {
+                // 蓝牙状态发生的变化
+                changeStatus({discovering:ev.detail.discovering, available:ev.detail.available})
+            } else if (ev.type === 'disconnect' && refStatus.current.connected && refStatus.current.connected.deviceId === ev.detail.deviceId) {
+                // 断开连接
+                changeStatus({
+                    connected:null,  
+                    serviceId:null,
+                    characteristicId:null, 
+                    deviceLab:null, 
+                    devices:[]
+                })
+                Taro.showToast({ icon: 'none', title: '蓝牙连接已断开' });
+            } else if (ev.type === 'connected' && refStatus.current.connecting) {
+                // 连接成功
+                changeStatus({connected: refStatus.current.connecting, connecting: null})
+                Taro.showToast({ title: '蓝牙已连接' });
+            } else if (ev.type === 'measure') {
+                //监听取色仪主动推送lab
+                await measureAndGetLab()
+            }
+            
+        });
+    }
+
+    /** 打开蓝牙适配器 */
+    const openAdapter = () => {
+        return new Promise((resolve, reject) => {
+            Taro.openBluetoothAdapter({
+                success: resolve,
+                fail: reject
+            });
+        });
+    }
+
+    /**
+     * 推送事件
+     * @param {{type: string; data: any}} event 
+     */
+     const emit = (event) => {
+        refStatus.current.listeners.forEach(cb => {
+            cb && cb(event);
+        });
+    }
+
+    const subscribe = (cb) => {
+        if (cb) {
+            changeStatus({
+                listeners: refStatus.current.listeners.add(cb)
+            })
+        }
+    }
+
+    /** 
+     * 获取蓝牙适配器状态 
+     * @returns {Promise<{discovering: boolean; available: boolean}>}
+     */
+     const getAdapterState = () => {
+        return new Promise((resolve, reject) => {
+            Taro.getBluetoothAdapterState({
+                success: resolve,
+                fail: reject
+            })
+        })
+    }
+
+    /**
+     * 启动设备扫描
+     * @param {(res: { devices: { name: string, deviceId: string, RSSI: number }[] }) => void} cb 
+     * @param {number} duration 
+     */
+     const startScan = (duration = 30000) => {
+        console.log('开始寻找')
+        changeStatus({devices:[]})
+        Taro.onBluetoothDeviceFound(getDevices);
+        return new Promise((resolve, reject) => {
+            Taro.startBluetoothDevicesDiscovery({
+                allowDuplicatesKey: true,
+                success: resolve,
+                fail: reject
+            });
+
+            if (duration > 0) {
+                setTimeout(() => {
+                    Taro.offBluetoothDeviceFound(getDevices);
+                    Taro.stopBluetoothDevicesDiscovery();
+                    console.log("停止搜索")
+                }, duration);
+            }
+        });
+    }
+
+     //获取搜索到的设备
+     const getDevices = (res) => {
+        res.devices.forEach(device => {
+            // 排除掉已搜索到的设备和名称不合法的设备, 将新发现的设备添加到列表中
+            if (/^CM/.test(device.name) && !refStatus.current.devices.find(i => i.deviceId === device.deviceId)) {
+                changeStatus({devices: [ ...refStatus.current.devices, device ]})
+            }
+        });
+    }
+
+    /**
+     * 连接设备
+     * @param {{ name: string, deviceId: string, RSSI: number }} device 
+     */
+     const connect = async (device) => {
+        try {
+            changeStatus({connecting: device})
+            console.log('connecting::', device)
+            await createConnection(device.deviceId);
+            await discoverService(device.deviceId);
+            await discoverCharacteristic(device.deviceId);
+            await notifyCharacteristicValueChange(device.deviceId);
+        } catch (e) {
+            changeStatus({connecting: null})
+            Taro.showToast({ icon: 'none', title: '蓝牙连接失败' });
+            throw e;
+        }
+    }
+
+    /** 断开当前连接的设备 */
+    const  disconnect = async () => {
+        if (!refStatus.current.connected && !refStatus.current.connecting) return;
+        if (refStatus.current.connected) {
+            await closeConnection(refStatus.current.connected.deviceId);
+            resetCommand();
+            changeStatus({
+                connected: null,
+                serviceId: null,
+                characteristicId: null,
+                devices: [],
+                deviceLab: null
+            })
+        }
+
+        if (refStatus.current.connecting) {
+            await closeConnection(refStatus.current.connecting.deviceId);
+            changeStatus({connecting:null})
+        }
+    }
+
+    /** 创建 BLE 连接 */
+    function createConnection(deviceId) {
+        return new Promise((resolve, reject) => {
+            Taro.createBLEConnection({
+                deviceId,
+                timeout: 2000,
+                success: resolve,
+                fail: reject
+            });
+        });
+    }
+
+    /** 关闭 BLE 连接 */
+    function closeConnection(deviceId) {
+        return new Promise((resolve, reject) => {
+            Taro.closeBLEConnection({
+                deviceId,
+                success: resolve,
+                fail: reject
+            });
+        });
+    }
+
+    /** 搜索服务 */
+    function discoverService(deviceId) {
+        return new Promise((resolve, reject) => {
+            Taro.getBLEDeviceServices({
+                deviceId,
+                success: ({ services }) => {
+                    const service = services.find(i => refStatus.current.serviceRule.test(i.uuid));
+                    if (!service) {
+                        reject(new Error('服务不可用'));
+                    } else {
+                        changeStatus({serviceId: service.uuid})
+                        resolve(service);
+                    }
+                },
+                fail: reject
+            });
+        });
+    }
+
+    /** 搜索特征 */
+    function discoverCharacteristic(deviceId) {
+        return new Promise((resolve, reject) => {
+            Taro.getBLEDeviceCharacteristics({
+                deviceId,
+                serviceId: refStatus.current.serviceId,
+                success: ({ characteristics }) => {
+                    const characteristic = characteristics.find(i => refStatus.current.characteristicRule.test(i.uuid));
+                    if (!characteristic) {
+                        reject(new Error('特征不可用'));
+                    } else {
+                        changeStatus({characteristicId: characteristic.uuid})
+                        resolve(characteristic);
+                    }
+                },
+                fail: reject
+            })
+        });
+    }
+
+     /** 启动特征通知 */
+     function notifyCharacteristicValueChange(deviceId, stateParm = true) {
+        return new Promise((resolve, reject) => {
+            Taro.notifyBLECharacteristicValueChange({
+                deviceId,
+                serviceId: refStatus.current.serviceId,
+                characteristicId: refStatus.current.characteristicId,
+                state:stateParm,
+                success: resolve,
+                fail: reject
+            });
+        });
+    }
+
+    /**
+     * 通知订阅器
+     * @param {ArrayBuffer} buffer 
+     */
+     function notifySubscriber(buffer) {
+        if (refStatus.current.command) {
+            if (refStatus.current.debug) {
+                console.log(`[BLE RESP] ${uint8ArrayToHex(new Uint8Array(buffer))}`);
+            }
+            refStatus.current.command.fillResponse(buffer);
+            if (refStatus.current.command.isComplete) {
+                if (refStatus.current.command.isValid && refStatus.current.responseResolve) {
+                    refStatus.current.responseResolve(refStatus.current.command.response);
+                } else if (!refStatus.current.command.isValid) {
+                    refStatus.current.responseReject(new Error('无效数据'));
+                }
+                resetCommand();
+            }
+        } else {
+            const uint8Array = new Uint8Array(buffer);
+            if (uint8Array[0] === 0xbb && uint8Array[1] === 1 && uint8Array[3] === 0) {
+                const ev = { type: 'measure', detail: { mode: uint8Array[2] } };
+                emit(ev);
+            }
+        }
+    }
+
+    /**
+     * 发送命令
+     * @param {Command}} command 
+     * @returns {Promise<Uint8Array>}
+     */
+     function exec(command) {
+        return new Promise(async (resolve, reject) => {
+            if (refStatus.current.command) {
+                reject(new Error('正在执行其他命令'));
+            } else {
+                try {
+                    refStatus.current.command = command;
+                    const data = command.data;
+                    for (let i = 0; i < data.length; i++) {
+                        await sendData(data[i]);
+                    } 
+
+                    if (command.responseSize <= 0) {
+                        resolve(true);
+                        resetCommand();
+                    } else {
+                        refStatus.current.responseReject = reject;
+                        refStatus.current.responseResolve = resolve;
+                        refStatus.current.responseTimer = setTimeout(() => {
+                            reject(new Error('命令响应超时'));
+                            resetCommand();
+                        }, command.timeout);
+                    }
+                } catch (e) {
+                    reject(e);
+                }
+            }
+            
+        });
+    }
+
+     /**
+     * 发送命令
+     * @param {ArrayBuffer} buffer 
+     */
+      function sendData(buffer) {
+        if (refStatus.current.debug) {
+            console.log(`[BLE SEND] ${uint8ArrayToHex(new Uint8Array(buffer))}`);
+        }
+        return new Promise((resolve, reject) => {
+            console.log('current:::',refStatus.current)
+            Taro.writeBLECharacteristicValue({
+                deviceId: refStatus.current.connected.deviceId,
+                serviceId: refStatus.current.serviceId,
+                characteristicId: refStatus.current.characteristicId,
+                value: buffer,
+                success: resolve,
+                fail: reject
+            })
+        });
+    }
+
+    function resetCommand() {
+        if (refStatus.current.responseTimer) {
+            clearTimeout(refStatus.current.responseTimer);
+        }
+        changeStatus({
+            command: null,
+            responseResolve: null,
+            responseReject: null,
+            responseTimer: null
+        })
+    }
+
+    /**
+     * 测量
+     * @param {number} mode 
+     * @returns {Promise}
+     */
+     async function measure (mode = 0) {
+        console.log('current1:::',Command.WakeUp)
+        await exec(Command.WakeUp);
+        console.log('current2:::',Command.WakeUp)
+        await waitFor(50);
+        console.log('current3:::',Command.WakeUp)
+        return await exec(Command.measure(mode));
+    }
+
+    /**
+     * 获取测量的 lab 值
+     * @param {number} mode 
+     * @returns {Promise<{ L: number, a: number, b: number }>}
+     */
+    async function getLab(mode = 0) {
+        await exec(Command.WakeUp);
+        await waitFor(50);
+        const data: any = await exec(Command.getLab(mode));
+        return {
+            L: uint8ArrayToFloat32(data.slice(5, 9)),
+            a: uint8ArrayToFloat32(data.slice(9, 13)),
+            b: uint8ArrayToFloat32(data.slice(13, 17)),
+        };
+    }
+
+    /**
+     * 测量并获取 lab 值
+     * @param {number} mode 
+     * @returns {Promise<{L: number, a: number, b: number}>}
+     */
+     async function measureAndGetLab(mode = 0) {
+        await measure(mode);
+        await waitFor(50);
+        const lab = await getLab(mode);
+        console.log('lab2::',lab)
+        changeStatus({deviceLab:lab})
+        return lab
+    }
+
+    return <Context.Provider children={props.children} value={{
+        init, 
+        state,
+        startScan,
+        measureAndGetLab,
+        getAdapterState,
+        connect,
+        disconnect
+    }} />
+}
+
+
+export const useBluetoothTwo = () => {
+    const res = React.useContext<any>(Context)
+    if(res) {
+        return {...res}
+    } else {
+        return {}
+    }
+    
+}
\ No newline at end of file