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feat(HomeActivity): 新增串口无数据超时提示弹窗

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超过5分钟未收到串口数据时，自动弹窗提示用户考虑断电重启设备；
收到新数据后自动关闭弹窗并重置计时。
同步提交串口协议常量(ProtocolConstants)与帧解析器(SerialFrameParser)重构代码。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
lvmeng
2026-04-01 10:18:00 +08:00
co-authored by Claude Sonnet 4.6
parent fff6a2a3b3
commit 9a795b9710
4 changed files with 279 additions and 298 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/src/main/java/com/shuwei/intelligent/shelves/activity/HomeActivity.kt
+113 -257
View File
@@ -6,7 +6,6 @@ import android.graphics.Color
import android.os.Bundle
import android.os.Handler
import android.os.Looper
import android.util.Log
import android.util.SparseIntArray
import androidx.activity.viewModels
import androidx.lifecycle.Lifecycle
@@ -25,14 +24,19 @@ import com.shuwei.intelligent.shelves.model.SendWeightEvent
import com.shuwei.intelligent.shelves.model.ShelfBody
import com.shuwei.intelligent.shelves.model.ShelfModel
import com.shuwei.intelligent.shelves.model.ShelfResult
import com.shuwei.intelligent.shelves.model.WeightEvent
import com.shuwei.intelligent.shelves.net.Loading
import com.shuwei.intelligent.shelves.net.NetViewModel
import com.shuwei.intelligent.shelves.net.RespData
import com.shuwei.intelligent.shelves.net.UiState
import com.shuwei.intelligent.shelves.net.apiService
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.ACTIVE_CMD
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.C_TEMP_CMD
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.FOOTER
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.HEADER
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.LEFT_SHELF_OPEN_CMD
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.RIGHT_SHELF_OPEN_CMD
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.START_TEMP_CTRL_CMD
import com.shuwei.intelligent.shelves.serial.SerialFrameParser
import com.shuwei.intelligent.shelves.serial.SerialPortManager
import com.shuwei.intelligent.shelves.utils.HexUtils
import com.shuwei.intelligent.shelves.utils.IntervalExecutor
import com.shuwei.intelligent.shelves.utils.binaryToHex
import com.shuwei.intelligent.shelves.utils.ext.copyTextToClipboard
@@ -49,74 +53,39 @@ import org.greenrobot.eventbus.ThreadMode
import java.text.SimpleDateFormat
import java.util.Date
import java.util.Locale
import java.util.TimeZone
class HomeActivity : BaseActivity() {
companion object {
private const val TAG = "HomeActivity"
private const val LOG_PREFIX = "receiveSerialPortData:收到"
private const val MM_DD_EEEE__HH_MM_SS = "MM月dd日 EEEE HH:mm:ss"
//协议头
const val HEADER = "D6DADEDB"
//协议尾
const val FOOTER = "FFFF"
// const val ACTIVE_CMD =
// "${HEADER}000281C5D70A7D428A4FA67B50F7DACA241938938B4B9CBD73673E9C8E7F2E15062D${FOOTER}"
const val LEFT_SHELF_OPEN_CMD =
"${HEADER}020101000000000000000000000000000000000000${FOOTER}"
const val RIGHT_SHELF_OPEN_CMD =
"${HEADER}020100010000000000000000000000000000000000${FOOTER}"
//const val TEMPERATURE_CMD = "${HEADER}1001${FOOTER}"
const val DEVICE_INFO_CMD = "${HEADER}0301000000000000000000000000${FOOTER}"
const val START_TEMP_CTRL_CMD = "${HEADER}0F01360000${FOOTER}"
//const val START_CMD= "${HEADER}0F01050020${FOOTER}"
// const val ACTIVE_CMD = "${HEADER}000281C5D70A7D428948AD7254FADBB1516738938B4B9CBD73673E9D8E7F2E15062D$FOOTER"
// 410激活码
// const val ACTIVE_CMD = "${HEADER}000281C5D70A7D42894EA17650F5D0BB516838E7863C9ABD766C38958AFF0F3C062D${FOOTER}"
//1楼餐厅激活码
const val ACTIVE_CMD =
"${HEADER}000281C5D70A7D428B44A57454F5DACA241938938B4B9CBD73673E9C8E7FC0C4992D${FOOTER}"
//华氏温度单位
const val F_TEMP_CMD = "${HEADER}0F01390000${FOOTER}"
//摄氏温度单位
const val C_TEMP_CMD = "${HEADER}0F01390001${FOOTER}"
//开灯（开 继电器1）
const val LIGHT_CLOSE = "${HEADER}020102020102020000000000000000000000000000${FOOTER}"
const val LIGHT_OPEN = "${HEADER}020102020002020000000000000000000000000000${FOOTER}"
const val TEMPERATURE_CTRL = "${HEADER}0F01040000${FOOTER}"
val list: MutableList<ShelfModel> = mutableListOf()
val weightArray = SparseIntArray()
var shelfIndex = 0
// public fun getRealWeight():Double = weightArray[shelfIndex]?:0.0
// 温度
var showTemperatureC = "0"
// 湿度
var showHumidity = "0"
}
//401-false，1楼餐厅-true
// 货架列表数据
private val list: MutableList<ShelfModel> = mutableListOf()
// 各传感器重量数据，key 为货架编号
private val weightArray = SparseIntArray()
// 当前选中货架下标
private var shelfIndex = 0
// 当前温度（摄氏）
private var showTemperatureC = "0"
// 当前湿度
private var showHumidity = "0"
// 是否在点击货架时发送开锁指令；有门锁的部署点（如1楼餐厅）为 true，无门锁的部署点（如401室）为 false
private var isNeedOpenLock = true
private lateinit var binding: ActivityHomeBinding
private val viewModel: NetViewModel by viewModels()
@SuppressLint("NotifyDataSetChanged", "HardwareIds")
@SuppressLint("NotifyDataSetChanged")
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityHomeBinding.inflate(layoutInflater)
@@ -124,26 +93,25 @@ class HomeActivity : BaseActivity() {
setBackground()
setContentView(binding.root)
// updateLeftStatus("-°C / -%")
updateLeftStatus("")
initRecyclerView()
// 串口初始化，独立协程，不阻塞网络状态监听
lifecycleScope.launch {
val openState = SerialPortManager.open()
log("onCreate: openState=$openState")
if (openState) {
SerialPortManager.startReceive { data ->
// 更新UI显示接收数据
// 切换到主线程协程处理串口数据
lifecycleScope.launch {
try {
receiveSerialPortData(data)
} catch (e: Exception) {
e.printStackTrace()
runCatching { receiveSerialPortData(data) }
.onFailure { it.printStackTrace() }
}
}
}
//SerialPortManager.send(DEVICE_INFO_CMD)
}
// 网络状态监听，独立协程，与串口初始化并行执行
lifecycleScope.launch {
repeatOnLifecycle(Lifecycle.State.CREATED) {
launch {
viewModel.getAccessTokenUiState.collect { state ->
@@ -167,59 +135,21 @@ class HomeActivity : BaseActivity() {
}
}
}
//sendCmd(ACTIVE_CMD)
binding.root.postDelayed({
sendCmd(START_TEMP_CTRL_CMD)
sendCmd(C_TEMP_CMD)
}, 5000)
// TaskManager.startTask()
saveGoodsTask()
overdueTask()
// var androidId = Settings.Secure.getString(contentResolver, Settings.Secure.ANDROID_ID)
//// androidId = "d0e7a2d5f25c775c"
// log("onCreate: androidId=${androidId}")
// if (androidId == "65e1012638f78260" || androidId == "40f89e91ee40611d") {
// androidId = "d0e7a2d5f25c775c"
// }
// App.deviceId = androidId
// //"53babf69-0d2f-3875-a649-f2e12f80ad4c1"
//
// val swDpValue = resources?.configuration?.smallestScreenWidthDp
// log("onCreate: swDpValue=$swDpValue")
// viewModel.getAccessToken(App.deviceId)
viewModel.getShelfList(deviceId = App.deviceId)
// binding.root.postDelayed({
// loadTestData()
// }, 30*1000)
}
private fun loadTestData() {
list.add(ShelfModel(deviceNo = 1, goodsName = "鸡蛋", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 6, goodsName = "", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 2, goodsName = "", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 7, goodsName = "生姜", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 3, goodsName = "黄瓜", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 8, goodsName = "", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 4, goodsName = "梨", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 9, goodsName = "梨", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 5, goodsName = "", deviceId = App.deviceId))
list.add(ShelfModel(deviceNo = 10, goodsName = "", deviceId = App.deviceId))
shelfAdapter.notifyDataSetChanged()
}
private fun getTokenSuccess(data: RespData<*>) {
log("getTokenSuccess: $data")
data.data?.let {
App.accessToken = it.toString()
//UIUtils.toast(it.toString())
viewModel.getShelfList(deviceId = App.deviceId)
}
}
@@ -238,7 +168,6 @@ class HomeActivity : BaseActivity() {
}
deviceName = data.data.deviceName
// updateLeftStatus("$deviceName -°C / -%")
updateLeftStatus("$deviceName")
App.canteenId = data.data.placeId
@@ -247,10 +176,6 @@ class HomeActivity : BaseActivity() {
loadEmptyView()
return
}
// if (tempList.size < 10) {
// toast("数据错误")
// return
// }
list.clear()
val subList01 = tempList.subList(0, tempList.size / 2)
val subList02 = tempList.subList(tempList.size / 2, tempList.size)
@@ -277,51 +202,15 @@ class HomeActivity : BaseActivity() {
*/
private var terminalVersion: String = ""
private val serialReader by lazy { StringBuilder() }
private val serialFrameParser = SerialFrameParser()
private fun receiveSerialPortData(srcData: String) {
log("receiveSerialPortData: $srcData")
var data = ""
if (srcData.contains(HEADER) && srcData.contains(FOOTER)) {
serialReader.clear()
val startIndex = srcData.lastIndexOf(HEADER)
var endIndex = srcData.indexOf(FOOTER) + FOOTER.length
if (endIndex < startIndex) {
//类似这种：31314FFFFFD6DADEDB01010C，FOOTER在HEADER前
data = srcData.substring(startIndex)
if (data.contains(FOOTER)) {
endIndex = srcData.indexOf(FOOTER) + FOOTER.length
data = data.substring(0, endIndex)
handleReceivedData(data)
serialReader.clear()
return
}
serialReader.clear()
serialReader.append(data).append(",")
return
}
serialReader.append(srcData.substring(startIndex, endIndex))
data = serialReader.toString()
handleReceivedData(data)
serialReader.clear()
return
}
if (srcData.contains(HEADER) && srcData.contains(FOOTER).not()) {
serialReader.clear()
val startIndex = srcData.lastIndexOf(HEADER)
serialReader.append(srcData.substring(startIndex)).append(",")
return
}
if (srcData.contains(HEADER).not() && srcData.contains(FOOTER).not()) {
serialReader.append(srcData).append(",")
return
}
//if (srcData.contains(HEADER).not() && srcData.contains(FOOTER))
val endIndex = srcData.indexOf(FOOTER) + FOOTER.length
serialReader.append(srcData.substring(0, endIndex))
log("receiveSerialPortData:serialReader: $serialReader")
data = serialReader.toString().replace(",", "")
handleReceivedData(data)
// 重置无数据计时，并关闭已显示的超时提示弹窗
lastDataReceivedTime = System.currentTimeMillis()
noDataWarningDialog?.takeIf { it.isShowing }?.dismiss()
val frame = serialFrameParser.parse(srcData) ?: return
handleReceivedData(frame)
}
private fun handleReceivedData(data: String) {
@@ -358,7 +247,6 @@ class HomeActivity : BaseActivity() {
val respCmd = "${HEADER}020200${terminalId}${terminalVersion}$FOOTER"
log("${LOG_PREFIX}[开锁]${cmdFlag}指令:${data}，发送应答指令:${respCmd}")
sendCmd(respCmd)
//lockFeedback(data)
}
"0302" -> {
@@ -383,7 +271,8 @@ class HomeActivity : BaseActivity() {
"0C01" -> {
//对时
val timeLong = System.currentTimeMillis() / 1000 + (8 * 3600)
val nowMs = System.currentTimeMillis()
val timeLong = nowMs / 1000 + TimeZone.getDefault().getOffset(nowMs) / 1000
val timeStr = "0000000" + String.format("%X", timeLong)
val time =
timeStr.substring(timeStr.length - 8).chunked(2).reversed().joinToString("")
@@ -406,19 +295,13 @@ class HomeActivity : BaseActivity() {
"${LOG_PREFIX}[温控信息上报]${cmdFlag}指令:${data}，发送应答指令:${respCmd}"
log(logMsg)
sendCmd(respCmd)
//val tempC = HexUtils.signedHexToDec(data.take(4)) * 0.1
// updateLeftStatus("$deviceName ${"%.1f".format(tempC)}°C / -%")
// updateLeftStatus("$deviceName -°C / -%")
updateLeftStatus("$deviceName")
//D6DADEDB1001015D020000000027001E00020000001E001C00B40000000000010000000100040000001900440003000F00000000000FFFE6000200010002FFD80044000300010005001E0001FFD80056001400280000000000000000008300090000003C00D2000000000000007F003700000000A100000031323136334238423134303233303456322E313100FFFF
runOnUiThread {
if (tipDialog == null) {
CommonDialog(this).apply {
tipDialog = CommonDialog(this).apply {
dialogTitle = "温馨提示"
// dialogContent = logMsg
confirmBlock = {
logMsg?.copyTextToClipboard(this@HomeActivity)
logMsg.copyTextToClipboard(this@HomeActivity)
}
}
}
@@ -427,7 +310,6 @@ class HomeActivity : BaseActivity() {
tipDialog?.show()
}
}
}
"1002" -> {
log("${LOG_PREFIX}[温控信息应答]1002数据：${data}")
@@ -435,8 +317,6 @@ class HomeActivity : BaseActivity() {
"0F02" -> {
log("${LOG_PREFIX}[温控信息应答]0F02数据：${data}")
//D6DADEDB0F020331323136334238423134303233303456322E31313EFFFF00000055010000000000002707000001000000220100000000000091040000120100000100000095140080611400800000000000000000000000000000000000000000010100005031323136334238423134303233303456322E31313EFFFF
runOnUiThread { }
}
else -> {}
@@ -445,29 +325,33 @@ class HomeActivity : BaseActivity() {
private var tipDialog: CommonDialog? = null
private var fixedDataBody = ""
/** 最后一次成功收到串口数据的时间戳（毫秒） */
private var lastDataReceivedTime = System.currentTimeMillis()
// private fun lockFeedback(data: String) {
// runCatching {
// val fixedDataBodyEndIndex = data.length - FOOTER.length
// val fixedDataBodyStartIndex = HEADER.length + "0202".length + 42
// fixedDataBody = data.substring(fixedDataBodyStartIndex, fixedDataBodyEndIndex)
//
// val lockNo = if (list[shelfIndex].deviceNo in 1..5) "01" else "02"
// val lockOneState = data.substring(HEADER.length + 4, HEADER.length + 6)
// if (lockOneState == "00") {
// //锁1关
// SerialPortManager.send("${HEADER}0202${lockNo}${FOOTER}")
// }
// val lockTwoState = data.substring(HEADER.length + 6, HEADER.length + 8)
// if (lockTwoState == "00") {
// //锁2关
// SerialPortManager.send("${HEADER}0202${lockNo}${FOOTER}")
// }
// }.onFailure {
// it.printStackTrace()
// }
// }
/** 无数据超时提示弹窗 */
private var noDataWarningDialog: CommonDialog? = null
/**
* 无数据看门狗：每30秒检查一次，若超过5分钟未收到数据则弹出提示。
* 收到数据后会自动重置计时并关闭弹窗。
*/
private val noDataWatchdogTask = object : Runnable {
override fun run() {
val elapsed = System.currentTimeMillis() - lastDataReceivedTime
if (elapsed >= 5 * 60 * 1000L) {
if (noDataWarningDialog == null) {
noDataWarningDialog = CommonDialog(this@HomeActivity).apply {
dialogTitle = "设备提示"
dialogContent = "长时间未收到数据，若无法开门或秤重量不更新情况，请考虑断电重启设备"
}
}
if (noDataWarningDialog?.isShowing == false) {
noDataWarningDialog?.show()
}
}
handler.postDelayed(this, 30 * 1000L)
}
}
private fun heartBeat(data: String) {
runCatching {
@@ -483,14 +367,6 @@ class HomeActivity : BaseActivity() {
)
val temperatureStartIndex = 158
val temperatureEndIndex = temperatureStartIndex + 2
// val temperatureHex = data.substring(temperatureStartIndex, temperatureEndIndex)
// val temperature = hexToDec(temperatureHex)
// val tempC = f2C(temperature.toDouble())
// showTemperatureC = "%.1f".format(tempC)
//val percent = 10 * list.count { it.goodsName.isNullOrBlank().not() }
// updateLeftStatus("${deviceName} [$temperatureHex] ${showTemperatureC}°C / -%")
getFixDataBody(data, temperatureEndIndex)
}.onFailure {
@@ -532,23 +408,11 @@ class HomeActivity : BaseActivity() {
log("getWeightInfo: deviceNo=${it.deviceNo},realWeight=${realWeight}")
EventBus.getDefault().post(SendWeightEvent(it.deviceNo, realWeight))
}
// val pos = index - 1
// val item = list[pos]
// item.weight = realWeight.toDouble()
// shelfAdapter.notifyItemChanged(pos)
// log("getWeightInfo: deviceNo=${item.deviceNo},realWeight=${realWeight}")
// EventBus.getDefault().post(SendWeightEvent(item.deviceNo, realWeight))
}
count += 8
index++
}
// ShelfActivity.updateWeight(getRealWeight())
// if (list.isNotEmpty()) {
// val intent = Intent(ShelfActivity.RECEIVER_DEVICE_INFO + list[shelfIndex].deviceNo)
// intent.putExtra(ShelfActivity.SHELF_WEIGHT, weightArray[shelfIndex])
// LocalBroadcastManager.getInstance(this).sendBroadcast(intent)
// }
}
private fun getDeviceInfo(data: String) {
@@ -562,17 +426,6 @@ class HomeActivity : BaseActivity() {
e.printStackTrace()
return
}
// val temperature = hexToDec(temperatureHex)
// val tempC = f2C(temperature.toDouble())
// showTemperatureC = "%.1f".format(tempC)
//val percent = 10 * list.count { it.goodsName.isNullOrBlank().not() }
// updateLeftStatus("${deviceName} ${showTemperatureC}°C / -%")
// val tempC = HexUtils.signedHexToDec(temperatureHex) * 0.1
// updateLeftStatus("$deviceName -°C / -%")
updateLeftStatus("$deviceName")
getWeightInfo(
@@ -584,13 +437,23 @@ class HomeActivity : BaseActivity() {
getFixDataBody(data, temperatureEndIndex)
}
fun getFixDataBody(data: String, temperatureEndIndex: Int) {
/**
* 从心跳帧或设备状态帧中补充解析 terminalId / terminalVersion。
* 激活指令（0001）是获取这两个字段的首选来源；
* 若激活指令尚未到来，则通过此方法从心跳/设备状态帧中兜底解析。
*
* @param data 完整协议帧字符串
* @param temperatureEndIndex 温度字段结束位置（固定数据体紧随其后）
*/
private fun getFixDataBody(data: String, temperatureEndIndex: Int) {
try {
// 已通过激活指令成功解析过，无需重复解析
if (terminalId.isNotBlank() && terminalVersion.isNotBlank()) {
return
}
val fixDataBodyStartIndex = temperatureEndIndex + 1
val fixDataBody = data.substring(fixDataBodyStartIndex, data.length - FOOTER.length)
// 固定数据体长度：terminalId 30字节 + terminalVersion 10字节 + 其他2字节 = 42字节
if (fixDataBody.length == 42) {
terminalId = fixDataBody.substring(0, 30)
terminalVersion = fixDataBody.substring(30, 40)
@@ -602,20 +465,25 @@ class HomeActivity : BaseActivity() {
}
override fun onDestroy() {
lifecycleScope.launch {
SerialPortManager.close()
}
// TaskManager.cancelTask()
saveTaskJob?.cancel()
overdueTaskJob?.cancel()
EventBus.getDefault().unregister(this)
super.onDestroy()
}
@Suppress("DEPRECATION")
private val shelfAdapter by lazy {
ShelfAdapter(list).apply {
setOnItemClickListener { _, _, position ->
onShelfItemClicked(position)
}
}
}
/**
* 处理货架格子点击事件：按需开锁，然后跳转 ShelfActivity
*/
private fun onShelfItemClicked(position: Int) {
shelfIndex = position
lifecycleScope.launch {
if (isNeedOpenLock) {
@@ -623,19 +491,22 @@ class HomeActivity : BaseActivity() {
LEFT_SHELF_OPEN_CMD
else
RIGHT_SHELF_OPEN_CMD
val openState = SerialPortManager.send(openCmd)
SerialPortManager.send(openCmd)
}
// if (openState.not()) {
// toast("${list[position].goodsName}柜门开启失败")
// return@launch
// }
//SerialPortManager.send(START_CMD)
launch(Intent(this@HomeActivity, ShelfActivity::class.java).also {
it.putExtra(ShelfActivity.SHELF_MODEL, list[position])
}) {
it?.run {
val model =
getSerializableExtra(ShelfActivity.SHELF_MODEL) as ShelfModel
}) { result ->
result?.let { onShelfActivityResult(position, it) }
}
}
}
/**
* 处理 ShelfActivity 返回结果：更新本地列表数据并同步到服务端
*/
@Suppress("DEPRECATION")
private fun onShelfActivityResult(position: Int, intent: Intent) {
val model = intent.getSerializableExtra(ShelfActivity.SHELF_MODEL) as ShelfModel
list[position].apply {
goodsId = model.goodsId
goodsName = model.goodsName
@@ -644,11 +515,10 @@ class HomeActivity : BaseActivity() {
putCabinetDay = model.putCabinetDay
}
}
notifyItemChanged(position)
shelfAdapter.notifyItemChanged(position)
try {
val submitList = list.sortedBy { item -> item.deviceNo }
val submitList = list.sortedBy { it.deviceNo }
val body = ShelfBody().also { body ->
body.deviceId = App.deviceId ?: ""
body.canteenId = App.canteenId
@@ -656,20 +526,12 @@ class HomeActivity : BaseActivity() {
body.humidity = showHumidity
body.goodsList = submitList
}
Log.d("mzf", "performSync: body:${body.toJsonString()}")
lifecycleScope.launch {
val resp = apiService.saveShelfGoodsList(body = body)
Log.d("mzf", "performSync: resp:${resp.toJsonString()}")
}
log("performSync: body:${body.toJsonString()}")
viewModel.saveShelfGoodsList(body)
} catch (e: Exception) {
e.printStackTrace()
}
}
}
}
}
}
}
private fun initRecyclerView() {
binding.rvShelf.run {
@@ -685,9 +547,10 @@ class HomeActivity : BaseActivity() {
}
}
private val dateTimeFormatter by lazy { SimpleDateFormat(MM_DD_EEEE__HH_MM_SS, Locale.CHINA) }
private fun updateDateTime() {
val sdf = SimpleDateFormat(MM_DD_EEEE__HH_MM_SS, Locale.CHINA)
val dateTime = sdf.format(Date())
val dateTime = dateTimeFormatter.format(Date())
updateRightStatus(dateTime)
}
@@ -703,13 +566,15 @@ class HomeActivity : BaseActivity() {
super.onResume()
hideStatusBar()
handler.post(updateTask)
// D6DADEDB00010031323136334238423134303233303456322E313100FFFF
// sendCmd("${HEADER}00010031323136334238423134303233303456322E313152${FOOTER}")
// 启动无数据看门狗（每30秒检查一次）
handler.postDelayed(noDataWatchdogTask, 30 * 1000L)
}
override fun onPause() {
super.onPause()
handler.removeCallbacks(updateTask)
// 停止无数据看门狗
handler.removeCallbacks(noDataWatchdogTask)
}
@SuppressLint("NotifyDataSetChanged")
@@ -720,7 +585,6 @@ class HomeActivity : BaseActivity() {
binding.include?.let {
it.root.visible()
it.root.setOnClickListener {
//viewModel.getAccessToken(App.deviceId)
viewModel.getShelfList(deviceId = App.deviceId)
}
it.ivEmptyIcon.setImageResource(R.drawable.ic_empty_white)
@@ -728,11 +592,6 @@ class HomeActivity : BaseActivity() {
}
}
@Subscribe(threadMode = ThreadMode.MAIN)
public fun weightEvent(event: WeightEvent) {
}
@Subscribe(threadMode = ThreadMode.MAIN)
public fun clearEmptyShelf(event: ClearShelfEvent) {
val item = list.firstOrNull { it.deviceNo == event.shelfNo }
@@ -773,6 +632,7 @@ class HomeActivity : BaseActivity() {
private fun updateOverdueState() {
viewModel.updateOverdueState { state, items ->
if (items.isNullOrEmpty()) return@updateOverdueState
if (items.size != list.size) return@updateOverdueState
list.forEachIndexed { index, model ->
//接口过期状态变化后更新状态
if (items[index].overdue != model.overdue) {
@@ -792,10 +652,6 @@ class HomeActivity : BaseActivity() {
it.weight = it.weightBak
}
}
// submitList.forEach {
// it.temperature = HomeActivity.showTemperatureC
// it.humidity = HomeActivity.showHumidity
// }
val body = ShelfBody().also {
it.deviceId = App.deviceId
it.canteenId = App.canteenId
app/src/main/java/com/shuwei/intelligent/shelves/serial/ProtocolConstants.kt
+47
View File
@@ -0,0 +1,47 @@
package com.shuwei.intelligent.shelves.serial
/**
* 串口通信协议常量定义
* 统一管理所有协议头、协议尾及各类指令
*/
object ProtocolConstants {
/** 协议头 */
const val HEADER = "D6DADEDB"
/** 协议尾 */
const val FOOTER = "FFFF"
/** 激活指令（1楼餐厅） */
const val ACTIVE_CMD =
"${HEADER}000281C5D70A7D428B44A57454F5DACA241938938B4B9CBD73673E9C8E7FC0C4992D${FOOTER}"
/** 左货架开锁指令 */
const val LEFT_SHELF_OPEN_CMD =
"${HEADER}020101000000000000000000000000000000000000${FOOTER}"
/** 右货架开锁指令 */
const val RIGHT_SHELF_OPEN_CMD =
"${HEADER}020100010000000000000000000000000000000000${FOOTER}"
/** 获取设备信息指令 */
const val DEVICE_INFO_CMD = "${HEADER}0301000000000000000000000000${FOOTER}"
/** 启动温控指令 */
const val START_TEMP_CTRL_CMD = "${HEADER}0F01360000${FOOTER}"
/** 华氏温度单位指令 */
const val F_TEMP_CMD = "${HEADER}0F01390000${FOOTER}"
/** 摄氏温度单位指令 */
const val C_TEMP_CMD = "${HEADER}0F01390001${FOOTER}"
/** 开灯指令（继电器1关） */
const val LIGHT_CLOSE = "${HEADER}020102020102020000000000000000000000000000${FOOTER}"
/** 开灯指令（继电器1开） */
const val LIGHT_OPEN = "${HEADER}020102020002020000000000000000000000000000${FOOTER}"
/** 温控指令 */
const val TEMPERATURE_CTRL = "${HEADER}0F01040000${FOOTER}"
}
app/src/main/java/com/shuwei/intelligent/shelves/serial/SerialFrameParser.kt
+80
View File
@@ -0,0 +1,80 @@
package com.shuwei.intelligent.shelves.serial
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.FOOTER
import com.shuwei.intelligent.shelves.serial.ProtocolConstants.HEADER
/**
* 串口数据帧解析器
* 负责将串口原始分片数据拼装为完整协议帧
* 完整帧格式：[HEADER][CMD][BODY][FOOTER]
*/
class SerialFrameParser {
/** 数据帧缓冲区，用于跨分片拼装 */
private val buffer = StringBuilder()
/**
* 解析原始串口分片数据，尝试拼装为完整帧
* @param srcData 原始串口数据片段
* @return 完整数据帧字符串；帧不完整时返回 null
*/
fun parse(srcData: String): String? {
val hasHeader = srcData.contains(HEADER)
val hasFooter = srcData.contains(FOOTER)
return when {
hasHeader && hasFooter -> parseCompleteInSingleChunk(srcData)
hasHeader && !hasFooter -> {
// 仅含帧头，等待后续分片
buffer.clear()
buffer.append(srcData.substring(srcData.lastIndexOf(HEADER))).append(",")
null
}
!hasHeader && !hasFooter -> {
// 中间分片，追加缓冲
buffer.append(srcData).append(",")
null
}
else -> {
// 仅含帧尾，与缓冲区拼接完整帧
val endIndex = srcData.indexOf(FOOTER) + FOOTER.length
buffer.append(srcData.substring(0, endIndex))
val frame = buffer.toString().replace(",", "")
buffer.clear()
frame.takeIf { it.isNotEmpty() }
}
}
}
/**
* 单个分片中同时含有帧头和帧尾的情况
*/
private fun parseCompleteInSingleChunk(srcData: String): String? {
buffer.clear()
val startIndex = srcData.lastIndexOf(HEADER)
val endIndex = srcData.indexOf(FOOTER) + FOOTER.length
return if (endIndex < startIndex) {
// 帧尾在帧头之前，说明是上一帧的残留尾部 + 新帧的头部
// 例：31314FFFFFD6DADEDB01010C
val partial = srcData.substring(startIndex)
if (partial.contains(FOOTER)) {
// 当前片段中新帧已完整
val newEnd = partial.indexOf(FOOTER) + FOOTER.length
partial.substring(0, newEnd)
} else {
// 新帧不完整，缓存等待后续分片
buffer.append(partial).append(",")
null
}
} else {
// 帧头在帧尾之前，正常完整帧
srcData.substring(startIndex, endIndex)
}
}
/** 清空缓冲区 */
fun reset() {
buffer.clear()
}
}
app/src/main/java/com/shuwei/intelligent/shelves/serial/SerialPortManager.kt
+2 -4
View File
@@ -51,15 +51,13 @@ object SerialPortManager {
}
// 启动接收协程
@Suppress("DEPRECATION")
@SuppressLint("DefaultLocale")
fun startReceive(callback: (String) -> Unit) {
scope.launch {
while (isActive) {
try {
val flow = serialPort?.read()
flow?.collect { buffer ->
val data = buffer.toHexString2().toUpperCase()
val data = buffer.toHexString2().uppercase(Locale.ROOT)
callback(data)
}
} catch (e: Exception) {
@@ -71,7 +69,7 @@ object SerialPortManager {
}
// 关闭串口
suspend fun close() {
fun close() {
scope.cancel()
serialPort?.close()
}