fix: demo/tts兼容老的固件, 因为老版本不带audio.pm函数

demo/tts/main.lua

@@ -82,7 +82,7 @@ function audio_setup()
         --     audio.setBus(0, audio.BUS_SOFT_DAC)
         -- end
         audio.config(0, 25, 1, 3, 100)
-    elseif bsp == "EC718P" then
+    elseif bsp == "EC718P" then
 		-- CORE+音频小板是这个配置
         pm.power(pm.LDO_CTL, false)  --开发板上ES8311由LDO_CTL控制上下电
         sys.wait(100)
@@ -117,30 +117,30 @@ function audio_setup()
 
         audio.vol(multimedia_id, voice_vol)
         audio.micVol(multimedia_id, mic_vol)
-    --带TM8211的云喇叭开发板参考下面的配置
-		--[[
-		local multimedia_id = 0
-        local i2s_id = 0
-        local i2s_mode = 0
-        local i2s_sample_rate = 0
-        local i2s_bits_per_sample = 16
-        local i2s_channel_format = i2s.STEREO
-        local i2s_communication_format = i2s.MODE_MSB
-        local i2s_channel_bits = 16
-    
-        local pa_pin = 25
-        local pa_on_level = 1
-        local pa_delay = 100
-        local power_pin = nil
-        local power_on_level = 1
-        local power_delay = 3
-        local power_time_delay = 0
-
-        -- local voice_vol = 200	--默认就不放大了
-        i2s.setup(i2s_id, i2s_mode, i2s_sample_rate, i2s_bits_per_sample, i2s_channel_format, i2s_communication_format,i2s_channel_bits)
-        audio.config(multimedia_id, pa_pin, pa_on_level, power_delay, pa_delay, power_pin, power_on_level, power_time_delay)
-        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
-        -- audio.vol(multimedia_id, voice_vol)
+    --带TM8211的云喇叭开发板参考下面的配置
+		--[[
+		local multimedia_id = 0
+        local i2s_id = 0
+        local i2s_mode = 0
+        local i2s_sample_rate = 0
+        local i2s_bits_per_sample = 16
+        local i2s_channel_format = i2s.STEREO
+        local i2s_communication_format = i2s.MODE_MSB
+        local i2s_channel_bits = 16
+    
+        local pa_pin = 25
+        local pa_on_level = 1
+        local pa_delay = 100
+        local power_pin = nil
+        local power_on_level = 1
+        local power_delay = 3
+        local power_time_delay = 0
+
+        -- local voice_vol = 200	--默认就不放大了
+        i2s.setup(i2s_id, i2s_mode, i2s_sample_rate, i2s_bits_per_sample, i2s_channel_format, i2s_communication_format,i2s_channel_bits)
+        audio.config(multimedia_id, pa_pin, pa_on_level, power_delay, pa_delay, power_pin, power_on_level, power_time_delay)
+        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
+        -- audio.vol(multimedia_id, voice_vol)
 		]]
     elseif bsp == "AIR105" then
         -- Air105开发板支持DAC直接输出
@@ -237,7 +237,9 @@ local function audio_task()
             log.info("手动关闭")
             audio.playStop(0)
         end
-		audio.pm(0,audio.STANDBY)
+        if audio.pm then
+		    audio.pm(0,audio.STANDBY)
+        end
 		-- audio.pm(0,audio.SHUTDOWN)	--低功耗可以选择SHUTDOWN或者POWEROFF，如果codec无法断电用SHUTDOWN
         log.info("mem", "sys", rtos.meminfo("sys"))
         log.info("mem", "lua", rtos.meminfo("lua"))