From a775b1e78446fb0ceef8f65af411422cc3213aa9 Mon Sep 17 00:00:00 2001
From: lefengyang <lefengyang@tencent.com>
Date: Tue, 15 Sep 2026 15:12:22 +0800
Subject: [PATCH] 图片转点阵图
---
ledApp/pages/index/index.vue | 293 ++++++++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 272 insertions(+), 21 deletions(-)
diff --git a/ledApp/pages/index/index.vue b/ledApp/pages/index/index.vue
index 2c326cc..d5f0d68 100644
--- a/ledApp/pages/index/index.vue
+++ b/ledApp/pages/index/index.vue
@@ -56,6 +56,10 @@
</view>
</view>
<view class="item_btn" v-if="dId == item.id">
+ <!-- <uv-button type="primary" shape="circle" text="已存序列" size="small" :plain="true"
+ @click="commandLIST"></uv-button>
+ <uv-button type="primary" shape="circle" :text="screenOn ? '关闭屏幕' : '打开屏幕'" size="small" :plain="true"
+ @click="toggleScreen()"></uv-button> -->
<uv-button type="primary" shape="circle" text="调节亮度" size="small" :plain="true"
@click="this.$refs.popupBRIG.open();"></uv-button>
<uv-button type="primary" shape="circle" text="发送LED" size="small" :plain="true"
@@ -186,7 +190,11 @@
baseURL: '',
dId: '' ,//已连接的设备id,
devKwh: '',
- platform: ''
+ platform: '',
+ 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() {
@@ -372,7 +380,7 @@
console.log('--------------', item);
uni.showLoading({
- title: '发送中...',
+ title: '发送中0%',
mask: true
});
@@ -397,7 +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({
@@ -489,7 +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();
@@ -582,7 +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,
@@ -592,7 +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);
@@ -641,6 +657,127 @@
}, 500);
},
+ // 切换屏幕状态
+ toggleScreen() {
+ if (this.screenOn) {
+ this.commandBLAC()
+ } else {
+ this.commandOPAC()
+ }
+ },
+ // 关闭屏幕
+ commandBLAC() {
+ console.log('关闭屏幕BLAC----')
+ const startBytes = new Array(10).fill(0x55);
+ const frameHeader = 0x7E;
+ const packageType = 0x41;
+ const command = [0x42, 0x4C, 0x41, 0x43];
+
+ const data = [
+ ...startBytes,
+ frameHeader,
+ packageType,
+ ...command
+ ];
+
+ const crc = this.calcCRC16(data.slice(11));
+ data.push((crc >> 8) & 0xFF);
+ data.push(crc & 0xFF);
+ data.push(frameHeader);
+ console.log('BLAC data----', this.hexArrayToHexString(data))
+
+ const buffer = new Uint8Array(data).buffer;
+ setTimeout(() => {
+ this.writeBLECharacteristicValue(buffer)
+ }, 500);
+ },
+ // 打开屏幕
+ commandOPAC() {
+ console.log('打开屏幕OPAC----')
+ const startBytes = new Array(10).fill(0x55);
+ const frameHeader = 0x7E;
+ const packageType = 0x41;
+ const command = [0x4F, 0x50, 0x41, 0x43];
+
+ const data = [
+ ...startBytes,
+ frameHeader,
+ packageType,
+ ...command
+ ];
+
+ const crc = this.calcCRC16(data.slice(11));
+ data.push((crc >> 8) & 0xFF);
+ data.push(crc & 0xFF);
+ data.push(frameHeader);
+ console.log('OPAC data----', this.hexArrayToHexString(data))
+
+ const buffer = new Uint8Array(data).buffer;
+ setTimeout(() => {
+ 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
@@ -676,8 +813,6 @@
// 块数据
const blockDescription = this.hexStringToArray(hexString)
- //const blockString = "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000FF0000FF000000000000000000000000000000000000000000000000000000000000FF0000000000000000000000000000000000000000000000FF0000000000000000FF0000FF00000000000000000000000000000000FF0000FF000000000000000000FF0000000000FF0000FF00FF0000FF0000FF000000000000000000FF00FF0000FF000000000000000000FF00000000000000000000FF000000FF0000FF0000FF0000FF0000000000FF0000000000000000000000FF0000000000000000000000FF0000FF0000000000000000FF0000FF0000000000000000000000000000FF00FF000000000000000000000000FF00FF0000FF000000000000000000FF00000000000000FF0000FF0000FF0000FF0000FF0000000000000000FF0000FF000000000000000000000000FF0000000000FF0000000000000000000000000000000000000000FF0000000000000000000000000000000000FF0000000000000000000000000000000000FF00000000000000000000000000FF0000FF000000FF0000FF0000000000000000000000FF00000000000000FF0000FF000000FF00FF0000FF000000000000FF0000000000000000000000000000000000000000000000FF0000000000FF0000000000000000000000FF0000000000000000000000000000000000000000FF0000000000000000FF0000000000000000FF0000000000000000FF00000000000000FF0000FF0000FF0000FF000000000000000000FF00000000000000FF0000FF0000FF0000FF0000FF000000000000000000000000000000000000FF0000FF0000000000000000FF0000000000000000FF0000000000000000FF0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000FF00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
- //const blockDescription = this.hexStringToArray(blockString)
// 组合数据
const data = [
@@ -701,11 +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
@@ -758,7 +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) {
@@ -789,14 +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() {
@@ -891,12 +1041,35 @@
//that.deviceList[that.listIndex].isLink = true;
//that.commandPOWR()
} else if (resName == 'LIST') {
- //that.parseFileList(result)
+ that.parseFileList(result)
} else if (resName == 'BRIG') {
+ } else if (resName == 'BLAC') {
+ console.log('BLAC----', result)
+ if (that.screenOn) {
+ that.screenOn = false;
+ uni.showToast({
+ title: '屏幕已关闭',
+ icon: 'none',
+ duration: 1500
+ });
+ } else {
+ that.screenOn = true;
+ uni.showToast({
+ title: '屏幕已打开',
+ icon: 'none',
+ duration: 1500
+ });
+ }
} 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) {
@@ -906,15 +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"
@@ -945,6 +1127,75 @@
}
});
},
+ //查询智能壳已存信息序列(LIST)
+ commandLIST() {
+ //1．手机发指令：启动字节+帧头+包头段(0x43+简易绑定号+屏大小)+LIST+信息属性+CRC校验码+帧尾。
+ //2．智能壳指令：启动字节+帧头+包头段+LIST+返回标志+加密地址+文件数+[信息名1+信息名2+...+信息名n]+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): 从ID中获取
+ const screenSize = this.hexStringToArray(this.checId.slice(20, 24));
+ const packageHeader = [packageType, ...simpleBindId, ...screenSize];
+ const command = [0x4C, 0x49, 0x53, 0x54]; // "LIST"的ASCII码
+ const infoAttribute = 0x00; // 信息属性: 0=一般信息
+ // 组合数据
+ const data = [
+ ...startBytes,
+ frameHeader,
+ ...packageHeader,
+ ...command,
+ infoAttribute
+ ];
+
+ // 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('LIST data----', this.hexArrayToHexString(data))
+
+ const buffer = new Uint8Array(data).buffer;
+ setTimeout(() => {
+ this.writeBLECharacteristicValue(buffer)
+ }, 1000);
+ },
+ // 获取文件名称文件数量
+ parseFileList(hexString) {
+ // 文件数占1字节（2个十六进制字符
+ const fileCountHex = hexString.slice(32, 34);
+ const fileCount = parseInt(fileCountHex, 16);
+ console.log('文件数:', fileCount);
+
+ // 获取文件名称列表
+ const fileNames = [];
+ let nameStartIndex = 34; // 文件数后开始
+
+ for (let i = 0; i < fileCount; i++) {
+ // 每个信息名占2个字节（4个十六进制字符）
+ const nameHex = hexString.slice(nameStartIndex, nameStartIndex + 4);
+ const nameBytes = nameHex.match(/.{2}/g);
+ if (nameBytes && nameBytes.length === 2) {
+ // 将两个字节转换为ASCII字符
+ const char1 = String.fromCharCode(parseInt(nameBytes[0], 16));
+ const char2 = String.fromCharCode(parseInt(nameBytes[1], 16));
+ const fileName = char1 + char2;
+ fileNames.push({
+ fileName: fileName,
+ nameHex: nameHex
+ });
+ }
+
+ nameStartIndex += 4; // 移动到下一个文件名
+ }
+ console.log('文件名称列表:', fileNames);
+ },
// 生成简易绑定号
generateSimpleBindId() {
if (!this.checId || !this.password) {
--
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