发送优化

lefengyang

3 days ago a9c835459990db39ae2db5157d7ad835dcd25b44

 ledApp/pages/index/index.vue

@@ -191,7 +191,10 @@
            dId: '' ,//已连接的设备id,
            devKwh: '',
            platform: '',
            screenOn: true
            screenOn: true,
            waitDallThenSend: false, // 标记：收到DALL清除所有信息指令回应后，再开始发送INST帧
            instTimer: null, // INST发送超时计时器：发送INST帧后等待回应，超过5秒未收到则判定发送失败
            instSendAborted: false // 标记：INST发送已失败/中止，收到迟到的回应时忽略，不再继续发送
         }
      },
      onLoad() {
@@ -377,7 +380,7 @@
            console.log('--------------', item);

            uni.showLoading({
               title: '发送中...',
               title: '发送中0%',
               mask: true
            });

@@ -402,7 +405,12 @@
            }

            if (this.ledData.length > 0) {
               this.commandINST(this.ledData[this.ledCurrent]);
               // 重置发送状态：清除残留计时器、重置失败标记
               this.clearInstTimer();
               this.instSendAborted = false;
               // 向智能壳发送INST帧前，先发送一次清除所有信息指令(DALL)，待智能壳回应后再开始发送
               this.waitDallThenSend = true;
               this.commandDALL();
            } else {
               uni.hideLoading();
               uni.showToast({
@@ -494,7 +502,7 @@
            var that = this
            uni.setBLEMTU({
               deviceId: this.deviceId,
               mtu: 80, // 最大值一般 512，蓝牙 4.2 通常支持 247
               mtu: 512, // 最大值一般 512，蓝牙 4.2 通常支持 247
               success: (res) => {
                  console.log('设置MTU成功:', res);
                  uni.hideLoading();
@@ -587,7 +595,8 @@
         },

         //向低功耗蓝牙设备特征值中写入二进制数据
         writeBLECharacteristicValue(buffer) {
         //keepLoading: 发送INST帧(含DALL前置指令、结束帧)过程中保持进度loading，发送成功后不关闭
         writeBLECharacteristicValue(buffer, keepLoading = false) {
            const that = this
            uni.writeBLECharacteristicValue({
               deviceId: this.deviceId,
@@ -597,7 +606,9 @@
               writeType: 'write',
               success: (res) => {
                  //console.log('写入指令发送成功----', res);
                  uni.hideLoading();
                  if (!keepLoading) {
                     uni.hideLoading();
                  }
               },
               fail: (err) => {
                  //console.log('写入指令发送失败----', err);
@@ -706,6 +717,67 @@
               this.writeBLECharacteristicValue(buffer)
            }, 500);
         },
         // 清除所有信息指令(DALL)
         commandDALL() {
            // 1．手机发指令：启动字节+帧头+包头段(0x43+简易绑定号+屏大小)+DALL+CRC校验码+帧尾。
            // 2．智能壳回指令：启动字节+帧头+包头段+DALL+返回标志+加密地址+CRC校验码+帧尾。
            // 构建指令数据
            const startBytes = new Array(10).fill(0x55); // 10个启动字节
            const frameHeader = 0x7E; // 帧头
            const packageType = 0x43; // 包类型
            // 使用新的简易绑定号生成函数
            const simpleBindId = this.generateSimpleBindId();

            // 屏大小 (2 bytes)
            const screenSize = [0x0C, 0x18];
            const packageHeader = [packageType, ...simpleBindId, ...screenSize];
            const command = [0x44, 0x41, 0x4C, 0x4C]; // "DALL"的ASCII码

            // 组合数据
            const data = [
               ...startBytes,
               frameHeader,
               ...packageHeader,
               ...command
            ];
            // 计算CRC校验码（从包头段开始计算）
            const crc = this.calcCRC16(data.slice(11));
            // 添加CRC和帧尾
            data.push((crc >> 8) & 0xFF); // CRC高8位
            data.push(crc & 0xFF); // CRC低8位
            data.push(frameHeader); // 帧尾
            console.log('DALL data----', this.hexArrayToHexString(data))

            const buffer = new Uint8Array(data).buffer;
            setTimeout(() => {
               this.writeBLECharacteristicValue(buffer, true)
            }, 50);
         },
         // 启动INST发送超时计时器：发送INST帧后等待智能壳回应，超过5秒未收到则判定发送失败
         startInstTimer() {
            this.clearInstTimer();
            this.instTimer = setTimeout(() => {
               this.handleInstTimeout();
            }, 5000);
         },
         // 清除INST发送超时计时器
         clearInstTimer() {
            if (this.instTimer) {
               clearTimeout(this.instTimer);
               this.instTimer = null;
            }
         },
         // INST发送超时处理：停止发送并提示发送失败
         handleInstTimeout() {
            this.instTimer = null;
            this.instSendAborted = true;
            uni.hideLoading();
            uni.showToast({
               title: '发送失败',
               icon: 'none',
               mask: true
            });
         },
         //添加信息指令(INST)
         commandINST(hexString) {
            // 1．手机发指令：启动+帧头+包头段(0x43+简易绑定号+屏大小)+INST+信息属性+文件名+总帧数+当前帧*+块描述+块数据+CRC校验码+帧尾
@@ -764,11 +836,19 @@
            //console.log(this.ledCurrent, '----INST data----', this.hexArrayToHexString(data))
            //const buffer = new Uint8Array(data).buffer;
            console.log('第几帧-------',this.ledCurrent)
            setTimeout(() => {
            // 根据总帧数和已发送数量更新发送进度（当前帧发送前，已发送ledCurrent帧），范围10%~99%
            const sendPercent = Math.max(10, Math.min(99, Math.round(this.ledCurrent / this.ledTotal * 100)));
            uni.showLoading({
               title: '发送中' + sendPercent + '%',
               mask: true
            });
            setTimeout(async () => {
               //this.writeBLECharacteristicValue(buffer)
               this.sendBLEDataInChunks(
                  this.hexArrayToHexString(data)
               )
               const ok = await this.sendBLEDataInChunks(this.hexArrayToHexString(data))
               if (ok) {
                  // 数据发送成功后启动超时计时器，等待智能壳回应，超过5秒未收到则判定发送失败
                  this.startInstTimer()
               }
            }, 50);
         },
         // 发送结束针
@@ -821,7 +901,9 @@

            const endbuffer = new Uint8Array(endData).buffer;
            setTimeout(() => {
               this.writeBLECharacteristicValue(endbuffer)
               this.writeBLECharacteristicValue(endbuffer, true)
               // 结束帧发送后启动超时计时器，等待智能壳回应，超过5秒未收到则判定发送失败
               this.startInstTimer()
            }, 50);
         },
         async sendBLEDataInChunks(hexStr) {
@@ -852,14 +934,19 @@
                     })
                  })
               } catch (err) {
                  console.error(`🚫 发送中断，第 ${i + 1} 包发送失败`)
                  console.error(`🚫 发送中断，第 ${i + 1} 帧发送失败`, err)
                  uni.hideLoading();
                  break
                  uni.showToast({
                     title: `🚫 发送中断，第 ${i + 1} 帧发送失败`,
                     duration: 4000
                  });
                  return false
               }
               // 延迟下一包发送
               await new Promise(r => setTimeout(r, interval))
            }
            //console.log("🎉 数据发送完成")
            return true
         },
         // 读取电量
         commandPOWR() {
@@ -977,6 +1064,12 @@
                     } else if (resName == 'PLAY') {

                     } else if (resName == 'INST') {
                        // 收到INST回应，清除发送超时计时器
                        that.clearInstTimer();
                        // 若已因超时中止发送，忽略迟到的回应，不再继续发送
                        if (that.instSendAborted) {
                           return;
                        }
                        // 添加动画帧
                        that.ledCurrent++
                        if (that.ledCurrent < that.ledTotal) {
@@ -986,15 +1079,24 @@
                           // });
                           that.commandINST(that.ledData[that.ledCurrent]);
                        } else if (that.ledCurrent == that.ledTotal) {
                           // uni.showLoading({
                           //    title: '发送结束帧',
                           //    mask: true
                           // });
                           // 所有数据帧已发送完成，发送结束帧，进度显示100%
                           uni.showLoading({
                              title: '发送中100%',
                              mask: true
                           });
                           that.commandEnd()
                        } else {
                           // 结束帧应答（ledCurrent == ledTotal + 1），全部发送完成，隐藏loading
                           uni.hideLoading();
                        }

                     } else if (resName == 'DALL') {

                        // 清除所有信息指令回应：返回标志0x30工作无异常，0x31工作有异常
                        if (that.waitDallThenSend) {
                           that.waitDallThenSend = false;
                           // 收到DALL回应后，开始发送第一帧INST
                           that.commandINST(that.ledData[that.ledCurrent]);
                        }
                     } else if (resName == 'POWR') {
                        // 查询电量
                        let capacityHex = result.slice(-8, -6); // "0a"