add:增加air8000 开发板录音的demo

module/Air8000/project/整机开发板出厂工程/user/airrecord.lua

@@ -1,49 +1,185 @@
 local airrecord = {}
+local airaudio  = require "airaudio"
+local run_state = false
 
+-- 录音状态
+local RECORD_STATE = {
+    IDLE = 0,        -- 空闲状态
+    RECORDING = 1,   -- 录音中
+    PLAYING = 2,     -- 播放中
+    RECORDED = 3,    -- 已录制完成
+    STOPPING = 4     -- 正在停止录音
+}
 
+local record_state = RECORD_STATE.IDLE
+local recordPath = "/ram/record"
+local last_record_time = 0
+local last_play_time = 0
+local stop_requested = false
+local play_requested = false
+local replay_requested = false
+local record_success = false
+local play_success = false
 
-local airaudio  = require "airaudio"
-local taskName = "airrecord"
-local run_state = 0
-
-local function audio_play()
+-- 开始录音
+local function start_recording()
+    log.info("airrecord", "开始录音")
+    
+    -- 删除之前的录音文件
+    if io.exists(recordPath) then
+        os.remove(recordPath)
+    end
+    
+    -- 开始录音 - 0表示无限时长录制
+    record_state = RECORD_STATE.RECORDING
+    record_success = audio.record(0, audio.AMR, 0, 7, recordPath)
+    last_record_time = os.time()
+    
+    return record_success
+end
 
+-- 停止录音
+local function stop_recording()
+    log.info("airrecord", "停止录音")
+    record_state = RECORD_STATE.STOPPING
+    return audio.recordStop(0)
 end
 
-function audio_stop()
-    sysplus.sendMsg(taskName, MSG_PD)
+-- 播放录音
+local function play_recording()
+    log.info("airrecord", "播放录音")
+    record_state = RECORD_STATE.PLAYING
+    play_success = audio.play(0, recordPath)
+    last_play_time = os.time()
+    return play_success
 end
 
-local function audio_task()
-    airaudio.init()
-    if fonts.list then
-        log.info("fonts", "u8g2", json.encode(fonts.list("u8g2")))
+-- 重置录音状态
+local function reset_recording()
+    if record_state == RECORD_STATE.PLAYING then
+        audio.playStop(0)
+    elseif record_state == RECORD_STATE.RECORDING then
+        audio.recordStop(0)
+    end
+    
+    -- 删除录音文件
+    if io.exists(recordPath) then
+        os.remove(recordPath)
     end
-    audio_play()
+    
+    record_state = RECORD_STATE.IDLE
+    record_success = false
+    play_success = false
 end
 
-
-function airrecord.run()       -- TTS 播放主程序
-    if run_state == 0 then
-        lcd.setFont(lcd.font_opposansm12_chinese) -- 具体取值可参考api文档的常量表
-        sysplus.taskInitEx(audio_task, taskName)
-        run_state = 1
+function airrecord.run()
+    log.info("airrecord.run")
+    lcd.setFont(lcd.font_opposansm12_chinese)
+    run_state = true
+    
+    -- 初始化音频
+    airaudio.init()
+    
+    -- 进入时自动开始录音
+    if record_state == RECORD_STATE.IDLE then
+        start_recording()
     end
-    lcd.showImage(120,300,"/luadb/back.jpg")
-    lcd.showImage(0,448,"/luadb/Lbottom.jpg")
-    lcd.flush()
-    while true do
-        sys.wait(30)
-        if run_state == 0 then    -- 等待结束
-            return true
+
+    while run_state do
+        sys.wait(100)
+        
+        -- 检查录音状态
+        if record_state == RECORD_STATE.STOPPING then
+            -- 检查录音文件是否存在
+            if io.exists(recordPath) and io.fileSize(recordPath) > 0 then
+                record_state = RECORD_STATE.RECORDED
+            elseif os.time() - last_record_time > 2 then
+                -- 超过2秒没有文件，认为录音失败
+                record_state = RECORD_STATE.RECORDED
+            end
+        end
+        
+        -- 检查播放状态
+        if record_state == RECORD_STATE.PLAYING then
+            -- 检查播放是否完成
+            if not play_success then
+                -- 播放失败，回到完成状态
+                record_state = RECORD_STATE.RECORDED
+            elseif os.time() - last_play_time > 5 then
+                -- 超过5秒，认为播放完成
+                record_state = RECORD_STATE.RECORDED
+            end
+        end
+        
+        -- 处理用户请求
+        if stop_requested then
+            stop_recording()
+            stop_requested = false
+        elseif play_requested then
+            play_recording()
+            play_requested = false
+        elseif replay_requested then
+            reset_recording()
+            start_recording()
+            replay_requested = false
+        end
+        
+        -- 更新UI
+        lcd.clear(0xffff)
+        lcd.showImage(0,0,"/luadb/return.jpg")  -- 返回按钮始终显示
+        
+        if record_state == RECORD_STATE.RECORDING then
+            -- 录音中：显示停止按钮
+            lcd.showImage(128,264,"/luadb/stop1.jpg")
+            lcd.drawStr(112, 100, "录音中...", 0x0000, lcd.CENTER)
+        elseif record_state == RECORD_STATE.RECORDED then
+            -- 已录制：显示播放和重录按钮
+            lcd.showImage(47,264,"/luadb/play.jpg")
+            lcd.showImage(208,264,"/luadb/replay.jpg")
+            lcd.drawStr(112, 100, "录音完成", 0x0000, lcd.CENTER)
+            
+            -- 显示文件信息
+            if io.exists(recordPath) then
+                local size = io.fileSize(recordPath)
+                lcd.drawStr(112, 130, "大小: "..size.."字节", 0x0000, lcd.CENTER)
+            end
+        elseif record_state == RECORD_STATE.PLAYING then
+            -- 播放中：显示播放状态
+            lcd.drawStr(112, 100, "播放中...", 0x0000, lcd.CENTER)
+        elseif record_state == RECORD_STATE.STOPPING then
+            -- 停止中：显示提示信息
+            lcd.drawStr(112, 100, "正在停止录音...", 0x0000, lcd.CENTER)
         end
+        
+        lcd.flush()
     end
+    
+    -- 退出时清理资源
+    reset_recording()
+    return true
 end
 
-
-function airrecord.tp_handal(x,y,event)       -- 判断是否需要停止播放
-    if x > 120 and  x < 200 and y > 300  and  y < 380 then
-        audio_stop()
+function airrecord.tp_handal(x, y, event)
+    -- 返回按钮
+    if x > 0 and x < 137 and y > 0 and y < 64 then
+        run_state = false
+        return
+    end
+    
+    -- 根据当前状态处理触摸事件
+    if record_state == RECORD_STATE.RECORDING then
+        -- 停止按钮
+        if x > 128 and x < 192 and y > 264 and y < 358 then
+            stop_requested = true
+        end
+    elseif record_state == RECORD_STATE.RECORDED then
+        -- 播放按钮
+        if x > 47 and x < 111 and y > 264 and y < 328 then
+            play_requested = true
+        -- 重录按钮
+        elseif x > 208 and x < 272 and y > 264 and y < 328 then
+            replay_requested = true
+        end
     end
 end