demo/multimedia/main.lua

   1
   2 -- LuaTools需要PROJECT和VERSION这两个信息
   3 PROJECT = "audiotest"
   4 VERSION = "2.0.1"
   5
   6 -- sys库是标配
   7 _G.sys = require("sys")
   8 _G.sysplus = require("sysplus")
   9
  10
  11 -- Air780E的AT固件默认会为开机键防抖, 导致部分用户刷机很麻烦
  12 if rtos.bsp() == "EC618" and pm and pm.PWK_MODE then
  13     pm.power(pm.PWK_MODE, false)
  14 end
  15
  16 log.style(1)
  17 local taskName = "task_audio"
  18
  19 local MSG_MD = "moreData"   -- 播放缓存有空余
  20 local MSG_PD = "playDone"   -- 播放完成所有数据
  21
  22 -- amr数据存放buffer，尽可能地给大一些
  23 amr_buff = zbuff.create(20 * 1024)
  24 --创建一个amr的encoder
  25 encoder = nil
  26
  27 audio.on(0, function(id, event,buff)
  28     --使用play来播放文件时只有播放完成回调
  29     if event == audio.RECORD_DATA then -- 录音数据
  30         codec.encode(encoder, buff, amr_buff)
  31     elseif event == audio.RECORD_DONE then -- 录音完成
  32         sys.publish("AUDIO_RECORD_DONE")
  33     else
  34         local succ,stop,file_cnt = audio.getError(0)
  35         if not succ then
  36             if stop then
  37                 log.info("用户停止播放")
  38             else
  39                 log.info("第", file_cnt, "个文件解码失败")
  40             end
  41         end
  42         -- log.info("播放完成一个音频")
  43         sysplus.sendMsg(taskName, MSG_PD)
  44     end
  45 end)
  46
  47 function audio_setup()
  48     local bsp = rtos.bsp()
  49     if bsp == "EC618" then
  50         --Air780E开发板配套+音频扩展板. ES7149
  51         --由于音频扩展板的PA是长供电的,有塔塔声音是正常的,做产品的话有额外的参考设计
  52         i2s.setup(0, 0, 0, 0, 0, i2s.MODE_I2S)
  53
  54         --如果用TM8211，打开下面的注释
  55         -- i2s.setup(0, 0, 0, 0, 0, i2s.MODE_MSB)
  56
  57         --如果用软件DAC，打开下面的注释
  58         -- if audio.setBus then
  59         --     audio.setBus(0, audio.BUS_SOFT_DAC)
  60         -- end
  61         audio.config(0, 25, 1, 3, 100)
  62     elseif string.find(bsp,"EC718") then
  63                 -- CORE+音频小板是这个配置/云喇叭开发板同为这个配置
  64         local multimedia_id = 0
  65         local i2c_id = 0        --云喇叭开发版是1
  66         local i2s_id = 0
  67         local i2s_mode = 0
  68         local i2s_sample_rate = 16000
  69         local i2s_bits_per_sample = 16
  70         local i2s_channel_format = i2s.MONO_R
  71         local i2s_communication_format = i2s.MODE_LSB
  72         local i2s_channel_bits = 16
  73
  74         local pa_pin = 25
  75         local pa_on_level = 1
  76         local pa_delay = 100
  77         local power_pin = 16 -- Air780EPVH 请修改成17
  78         local power_on_level = 1
  79         local power_delay = 3
  80         local power_time_delay = 100
  81
  82         local voice_vol = 70
  83         local mic_vol = 80
  84
  85                 local find_es8311 = false
  86         --内置8311的模块（比如air780epa, air780epvh）打开下面的代码
  87         --power_pin = 255
  88         --gpio.setup(17,1,nil,nil,4)
  89                 --自适应开发板，如果明确是I2C几就不用了
  90                 i2c.setup(0, i2c.FAST)
  91                 i2c.setup(1, i2c.FAST)
  92                 pm.power(pm.LDO_CTL, false)  --开发板上ES8311由LDO_CTL控制上下电
  93                 sys.wait(10)
  94                 pm.power(pm.LDO_CTL, true)  --开发板上ES8311由LDO_CTL控制上下电
  95                 sys.wait(10)
  96                 if i2c.send(0, 0x18, 0xfd) == true then
  97                         log.info("音频小板或内置ES8311", "codec on i2c0")
  98                         i2c_id = 0
  99                         find_es8311 = true
 100                 else
 101                         if i2c.send(1, 0x18, 0xfd) == true then
 102                                 log.info("云喇叭开发板", "codec on i2c1")
 103                                 find_es8311 = true
 104                                 power_pin = nil
 105                                 i2c_id = 1
 106                         end
 107                 end
 108
 109                 if not find_es8311 then
 110                         while true do
 111                                 log.info("not find es8311")
 112                                 sys.wait(1000)
 113                         end
 114                 end
 115
 116         i2s.setup(i2s_id, i2s_mode, i2s_sample_rate, i2s_bits_per_sample, i2s_channel_format, i2s_communication_format,i2s_channel_bits)
 117
 118         audio.config(multimedia_id, pa_pin, pa_on_level, power_delay, pa_delay, power_pin, power_on_level, power_time_delay)
 119         audio.setBus(multimedia_id, audio.BUS_I2S,{chip = "es8311",i2cid = i2c_id , i2sid = i2s_id})    --通道0的硬件输出通道设置为I2S
 120
 121         audio.vol(multimedia_id, voice_vol)
 122         audio.micVol(multimedia_id, mic_vol)
 123         -- audio.debug(true)
 124
 125         --带TM8211的云喇叭开发板参考下面的配置
 126                 --[[
 127                 local multimedia_id = 0
 128         local i2s_id = 0
 129         local i2s_mode = 0
 130         local i2s_sample_rate = 0
 131         local i2s_bits_per_sample = 16
 132         local i2s_channel_format = i2s.STEREO
 133         local i2s_communication_format = i2s.MODE_MSB
 134         local i2s_channel_bits = 16
 135
 136         local pa_pin = 25
 137         local pa_on_level = 1
 138         local pa_delay = 100
 139         local power_pin = nil
 140         local power_on_level = 1
 141         local power_delay = 3
 142         local power_time_delay = 0
 143                 local voice_vol = 100
 144         -- local voice_vol = 200        --默认就不放大了
 145         i2s.setup(i2s_id, i2s_mode, i2s_sample_rate, i2s_bits_per_sample, i2s_channel_format, i2s_communication_format,i2s_channel_bits)
 146         audio.config(multimedia_id, pa_pin, pa_on_level, power_delay, pa_delay, power_pin, power_on_level, power_time_delay)
 147         audio.setBus(multimedia_id, audio.BUS_I2S,{chip = "tm8211", i2sid = i2s_id})    --通道0的硬件输出通道设置为I2S
 148         -- audio.vol(multimedia_id, voice_vol)
 149                 ]]
 150     elseif bsp == "AIR105" then
 151         -- Air105开发板支持DAC直接输出
 152         audio.config(0, 25, 1, 3, 100)
 153     else
 154         -- 其他板子未支持
 155         while 1 do
 156             log.info("audio", "尚未支持的BSP")
 157             sys.wait(1000)
 158         end
 159     end
 160     sys.publish("AUDIO_READY")
 161 end
 162
 163 -- 配置好audio外设
 164 sys.taskInit(audio_setup)
 165
 166 local function audio_task()
 167     sys.waitUntil("AUDIO_READY")
 168     local result
 169
 170     --下面为录音demo，根据适配情况选择性开启
 171     -- local recordPath = "/record.amr"
 172
 173     -- -- 直接录音到文件
 174     -- err = audio.record(0, audio.AMR, 5, 7, recordPath)
 175     -- sys.waitUntil("AUDIO_RECORD_DONE")
 176     -- log.info("record","录音结束")
 177     -- result = audio.play(0, {recordPath})
 178     -- while true do
 179     --     msg = sysplus.waitMsg(taskName, nil)
 180     --     if type(msg) == 'table' then
 181     --         if msg[1] == MSG_PD then
 182     --             log.info("播放结束")
 183     --             break
 184     --         end
 185     --     else
 186     --         log.error(type(msg), msg)
 187     --     end
 188     -- end
 189
 190     -- -- 录音到内存自行编码
 191     -- encoder = codec.create(codec.AMR, false, 7)
 192     -- print("encoder",encoder)
 193     -- err = audio.record(0, audio.AMR, 5, 7)
 194     -- sys.waitUntil("AUDIO_RECORD_DONE")
 195     -- log.info("record","录音结束")
 196     -- os.remove(recordPath)
 197     -- io.writeFile(recordPath, "#!AMR\n")
 198         -- io.writeFile(recordPath, amr_buff:query(), "a+b")
 199
 200         -- result = audio.play(0, {recordPath})
 201     -- while true do
 202     --     msg = sysplus.waitMsg(taskName, nil)
 203     --     if type(msg) == 'table' then
 204     --         if msg[1] == MSG_PD then
 205     --             log.info("播放结束")
 206     --             break
 207     --         end
 208     --     else
 209     --         log.error(type(msg), msg)
 210     --     end
 211     -- end
 212
 213     -- amr 可播放采样率 8k/16k
 214     local amrs = {"/luadb/alipay.amr", "/luadb/2.amr", "/luadb/10.amr", "/luadb/yuan.amr"}
 215     -- 如需在同一个table内混播, 需要使用相同的采样率
 216     -- 此mp3为自由文件,无版权问题,合宙自录音频,若测试音质请使用其他高清mp3
 217     -- local mp3s = {"/luadb/test_32k.mp3"}
 218         -- ec618的固件需要用非full版本才能放下44k的MP3
 219     local mp3s = {"/luadb/test_44k.mp3"}
 220     local counter = 0
 221     while true do
 222         log.info("开始播放")
 223         -- 两个列表前后播放
 224         if rtos.bsp() == "AIR105" then
 225             result = audio.play(0, "/luadb/test_32k.mp3")
 226         else
 227             result = audio.play(0, counter % 2 == 1 and amrs or mp3s)
 228         end
 229         counter = counter + 1
 230         if result then
 231         --等待音频通道的回调消息，或者切换歌曲的消息
 232             while true do
 233                 msg = sysplus.waitMsg(taskName, nil)
 234                 if type(msg) == 'table' then
 235                     if msg[1] == MSG_PD then
 236                         log.info("播放结束")
 237                         break
 238                     end
 239                 else
 240                     log.error(type(msg), msg)
 241                 end
 242             end
 243         else
 244             log.debug("解码失败!")
 245             sys.wait(1000)
 246         end
 247         if not audio.isEnd(0) then
 248             log.info("手动关闭")
 249             audio.playStop(0)
 250         end
 251                 audio.pm(0,audio.SHUTDOWN)
 252                 --低功耗测试打开下面的代码
 253                 --[[
 254                 audio.pm(0,audio.POWEROFF)      --低功耗可以选择SHUTDOWN或者POWEROFF，如果codec无法断电用SHUTDOWN
 255                 pm.power(pm.USB, false)
 256                 mobile.flymode(0, true)
 257                 pm.request(pm.LIGHT)
 258                 sys.wait(20000)
 259                 mobile.flymode(0, false)
 260                 ]]
 261         log.info(rtos.meminfo("sys"))
 262         log.info(rtos.meminfo("lua"))
 263         sys.wait(1000)
 264     end
 265     sysplus.taskDel(taskName)
 266 end
 267
 268 sysplus.taskInitEx(audio_task, taskName, task_cb)
 269
 270 -- 用户代码已结束---------------------------------------------
 271 -- 结尾总是这一句
 272 sys.run()
 273 -- sys.run()之后后面不要加任何语句!!!!!