Ecrit un tout mini player MP3 ;-)

PCM/Play_file/boot.lua

@@ -0,0 +1,30 @@
+-- Scripts à charger après le boot pour démarrer son appli
+
+print("\n boot.lua zf190119.1933 \n")
+
+function heartbeat()
+    f= "flash_led_xfois.lua"   if file.exists(f) then dofile(f) end
+    boottimer1=tmr.create()
+    tmr.alarm(boottimer1, 1*1000,  tmr.ALARM_AUTO, function()
+        xfois =2
+        blink_LED ()
+    end)
+end
+
+--f= "wifi_ap_start.lua"   if file.exists(f) then dofile(f) end
+--f= "wifi_cli_conf.lua"   if file.exists(f) then dofile(f) end
+--f= "wifi_cli_start.lua"   if file.exists(f) then dofile(f) end
+--f= "telnet_srv2.lua"   if file.exists(f) then dofile(f) end
+--f= "web_ide2.lua"   if file.exists(f) then dofile(f) end
+--f= "web_srv.lua"   if file.exists(f) then dofile(f) end
+--f= "set_time.lua"   if file.exists(f) then dofile(f) end
+--f= "dsleep.lua"   if file.exists(f) then dofile(f) end
+--f= "b.lua"   if file.exists(f) then dofile(f) end
+f= "play_file.lua"   if file.exists(f) then dofile(f) end
+
+
+--heartbeat()
+
+
+
+

PCM/Play_file/flash_led_xfois.lua

@@ -0,0 +1,33 @@
+-- programme pour faire clignoter x fois une LED avec un rapport on/off
+print("\n flash_led_xfois.lua zf181208.1521 \n")
+
+--zLED=0            --NodeMCU
+zLED=4             --EPS-M3
+zTm_On_LED = 50    --> en ms
+zTm_Off_LED = 100    --> en ms
+nbfois = 0
+gpio.write(zLED, gpio.HIGH)
+gpio.mode(zLED, gpio.OUTPUT)
+ztmr_Flash_LED = tmr.create()
+
+function blink_LED ()
+    if nbfois >= xfois then
+--        print(nbfois)
+        nbfois = 0
+    else 
+        if gpio.read(zLED)==gpio.HIGH then
+            gpio.write(zLED, gpio.LOW)
+            tmr.alarm(ztmr_Flash_LED, zTm_Off_LED, tmr.ALARM_SINGLE, blink_LED)
+        else 
+            gpio.write(zLED, gpio.HIGH)
+            nbfois = nbfois+1
+            tmr.alarm(ztmr_Flash_LED, zTm_On_LED, tmr.ALARM_SINGLE, blink_LED)
+        end
+    end
+end
+
+xfois =2
+blink_LED ()
+
+
+

PCM/Play_file/initz.lua

@@ -0,0 +1,47 @@
+--Script de bootstrap, test au moment du boot qui a été la cause de boot.
+-- Si la cause est un power on ou une connexion depuis l'IDE, alors
+-- le script repair.lua pendant xx secondes avant de continuer
+--Source: https://nodemcu.readthedocs.io/en/master/en/modules/node/#nodebootreason
+
+print("\n init.lua zf190131.009 \n")
+
+zswitch=3     --switch flash
+gpio.mode(zswitch, gpio.INT, gpio.PULLUP)
+
+function hvbouton()
+--    gpio.trig(zswitch, "none")
+    tmr.unregister(initalarme)
+    f= "boot.lua"   if file.exists(f) then dofile(f) end
+end
+
+gpio.trig(zswitch, "both", hvbouton)
+
+function second_chance()
+    print("seconde chance...")
+    f= "repair.lua"   if file.exists(f) then dofile(f) end
+    initalarme=tmr.create()
+    tmr.alarm(initalarme, 8*1000,  tmr.ALARM_SINGLE, function()
+        f= "boot.lua"   if file.exists(f) then dofile(f) end
+    end)
+end
+
+_, reset_reason = node.bootreason()
+print("reset_reason:",reset_reason)
+if reset_reason == 0 then
+    print("power on")
+    second_chance()
+elseif reset_reason == 4 then
+    print("node.restart")
+    f= "boot.lua"   if file.exists(f) then dofile(f) end
+elseif reset_reason == 5 then
+    print("dsleep wake up")
+    f= "boot.lua"   if file.exists(f) then dofile(f) end
+elseif reset_reason == 6 then
+    print("external reset")
+    second_chance()
+--    f= "boot.lua"   if file.exists(f) then dofile(f) end
+else
+    print("autre raison")
+    second_chance()
+end
+

PCM/Play_file/play_file.lua

@@ -0,0 +1,47 @@
+-- Scripts pour jouer un fichier son sur un HP
+
+print("\n play_file.lua zf190130.2335 \n")
+
+
+-- ****************************************************************************
+-- Play file with pcm module.
+--
+-- Upload jump_8k.u8 to spiffs before running this script.
+--
+-- ****************************************************************************
+
+
+function cb_drained(d)
+  print("drained "..node.heap())
+
+  file.seek("set", 0)
+  -- uncomment the following line for continuous playback
+  --d:play(pcm.RATE_8K)
+end
+
+function cb_stopped(d)
+  print("playback stopped")
+  file.seek("set", 0)
+end
+
+function cb_paused(d)
+  print("playback paused")
+end
+
+file.open("toto.wav", "r")
+
+drv = pcm.new(pcm.SD, 5)
+
+-- fetch data in chunks of FILE_READ_CHUNK (1024) from file
+drv:on("data", function(drv) return file.read() end)
+
+-- get called back when all samples were read from the file
+drv:on("drained", cb_drained)
+
+drv:on("stopped", cb_stopped)
+drv:on("paused", cb_paused)
+
+-- start playback
+drv:play(pcm.RATE_16K)
+
+

PCM/Play_file/rm_files.lua

@@ -0,0 +1,12 @@
+-- pour effacer TOUS les fichiers qui se trouve dans la flash du NodeMCU
+
+print("\n rm_files.lua zf180907.1511 \n")
+
+
+l=file.list() i=0
+for k,v in pairs(l) do
+    i=i+v
+    file.remove(k)
+end
+print("-------------------------------")
+print("\nC'est tout effaced :-) \n")

PCM/Play_file/telnet_srv2.lua

@@ -0,0 +1,87 @@
+-- Serveur telnet pour connexion en remote WIFI, NOUVELLE VERSION !
+-- source: https://github.com/nodemcu/nodemcu-firmware/blob/master/lua_examples/telnet/telnet.lua
+
+print("\n telnet_srv2.lua   zf181215.1326   \n")
+
+local node, table, tmr, wifi, uwrite,     tostring =
+      node, table, tmr, wifi, uart.write, tostring
+
+local function telnet_listener(socket)
+  local insert,       remove,       concat,       heap,      gc   =
+        table.insert, table.remove, table.concat, node.heap, collectgarbage
+  local fifo1, fifo1l, fifo2, fifo2l = {}, 0, {}, 0
+  local s -- s is a copy of the TCP socket if and only if sending is in progress
+  local wdclr, cnt = tmr.wdclr, 0
+  local function debug(fmt, ...)
+    if (...) then fmt = fmt:format(...) end
+    uwrite(0, "\r\nDBG: ",fmt,"\r\n" )
+    cnt = cnt + 1
+    if cnt % 10 then wdclr() end
+  end
+
+  local function flushGarbage()
+    if heap() < 13440 then gc() end
+  end
+
+  local function sendLine()
+     if not s then return end
+
+      if fifo2l + fifo1l == 0 then -- both FIFOs empty, so clear down s
+        s = nil
+        return
+    end
+    flushGarbage()
+    if #fifo2 < 4 then -- Flush FIFO1 into FIFO2
+      insert(fifo2,concat(fifo1))
+      fifo2l, fifo1, fifo1l = fifo2l + fifo1l, {}, 0
+    end
+    local rec =  remove(fifo2,1)        .. (remove(fifo2,1) or '') ..
+                (remove(fifo2,1) or '') .. (remove(fifo2,1) or '')
+    fifo2l = fifo2l - #rec
+    flushGarbage()
+    s:send(rec)
+  end
+
+  local F1_SIZE = 256
+
+  local function queueLine(str)
+    while #str > 0 do  -- this is because str might be longer than the packet size!
+      local k, l = F1_SIZE - fifo1l, #str
+      local chunk
+      if #fifo1 >= 32 or (k < l and k < 16) then
+        insert(fifo2, concat(fifo1))
+        fifo2l, fifo1, fifo1l, k = fifo2l + fifo1l, {}, 0, F1_SIZE
+      end
+      if l > k+16 then -- also tolerate a size overrun of 16 bytes to avoid a split
+        chunk, str = str:sub(1,k), str:sub(k+1)
+      else
+        chunk, str = str, ''
+      end
+      insert(fifo1, chunk)
+      fifo1l = fifo1l + #chunk
+    end
+    if not s and socket then
+      s = socket
+      sendLine()
+    else
+      flushGarbage()
+    end
+  end
+
+  local function receiveLine(s, line)
+    node.input(line)
+  end
+
+  local function disconnect(s)
+    fifo1, fifo1l, fifo2, fifo2l, s = {}, 0, {}, 0, nil
+    node.output(nil)
+  end
+
+  socket:on("receive",       receiveLine)
+  socket:on("disconnection", disconnect)
+  socket:on("sent",          sendLine)
+  node.output(queueLine, 0)
+end
+
+net.createServer(net.TCP, 180):listen(23, telnet_listener)
+print("Telnet server running...\nUsage: telnet -rN ip\n")

PCM/Play_file/web_ide2.lua

@@ -0,0 +1,159 @@
+-- Petit WEB IDE tout simple autonome
+-- ATTENTION: tourne sur le port 88 !
+
+print("\n _web_ide2.lua zf181210.1516 \n")
+
+--[[
+XChip's NodeMCU IDE
+
+Create, Edit and run NodeMCU files using your webbrowser.
+Examples:
+http://<mcu_ip>/ will list all the files in the MCU
+http://<mcu_ip>/newfile.lua    displays the file on your browser
+http://<mcu_ip>/newfile.lua?edit  allows to creates or edits the specified script in your browser
+http://<mcu_ip>/newfile.lua?run   it will run the specified script and will show the returned value
+]]--
+
+srv=net.createServer(net.TCP) 
+srv:listen(88,function(conn) 
+
+   local rnrn=0
+   local Status = 0
+   local DataToGet = 0
+   local method=""
+   local url=""
+   local vars=""
+
+  conn:on("receive",function(conn,payload) 
+    
+    if Status==0 then
+        _, _, method, url, vars = string.find(payload, "([A-Z]+) /([^?]*)%??(.*) HTTP")
+        print(method, url, vars)                          
+    end
+    
+    if method=="POST" then
+    
+        if Status==0 then
+            --print("status", Status)
+            _,_,DataToGet, payload = string.find(payload, "Content%-Length: (%d+)(.+)")
+            if DataToGet~=nil then
+                DataToGet = tonumber(DataToGet)
+                --print(DataToGet)
+                rnrn=1
+                Status = 1                
+            else
+                print("bad length")
+            end
+        end
+        
+        -- find /r/n/r/n
+        if Status==1 then
+            --print("status", Status)
+            local payloadlen = string.len(payload)
+            local mark = "\r\n\r\n"
+            local i
+            for i=1, payloadlen do                
+                if string.byte(mark, rnrn) == string.byte(payload, i) then
+                    rnrn=rnrn+1
+                    if rnrn==5 then 
+                        payload = string.sub(payload, i+1,payloadlen)
+                        file.open(url, "w")
+                        file.close() 
+                        Status=2
+                        break
+                    end
+                else
+                    rnrn=1
+                end
+            end    
+            if Status==1 then 
+                return 
+            end
+        end       
+    
+        if Status==2 then
+            --print("status", Status)
+            if payload~=nil then
+                DataToGet=DataToGet-string.len(payload)
+                --print("DataToGet:", DataToGet, "payload len:", string.len(payload))
+                file.open(url, "a+")
+                file.write(payload)            
+                file.close() 
+            else
+                conn:send("HTTP/1.1 200 OK\r\n\r\nERROR")
+                Status=0
+            end
+
+            if DataToGet==0 then                
+                conn:send("HTTP/1.1 200 OK\r\n\r\nOK")     
+                Status=0
+            end            
+        end
+        
+        return
+    end    
+    
+    DataToGet = -1
+    
+    if url == "favicon.ico" then
+        conn:send("HTTP/1.1 404 file not found")
+        return
+    end    
+
+    conn:send("HTTP/1.1 200 OK\r\n\r\n")
+    
+    -- it wants a file in particular
+    if url~="" and vars=="" then
+        DataToGet = 0
+        return
+    end    
+
+    conn:send("<html><body><h1>NodeMCU IDE</h1>")
+    
+    if vars=="edit" then
+        conn:send("<script>function tag(c){document.getElementsByTagName('w')[0].innerHTML=c};\n")
+        conn:send("var x=new XMLHttpRequest()\nx.onreadystatechange=function(){if(x.readyState==4) document.getElementsByName('t')[0].value = x.responseText; };\nx.open('GET',location.pathname,true)\nx.send()</script>")
+        conn:send("<h2><a href='/'>Back to file list</a>\n")
+        conn:send("<br><br><button onclick=\"tag('Saving');x.open('POST',location.pathname,true);\nx.onreadystatechange=function(){if(x.readyState==4) tag(x.responseText);};\nx.send(new Blob([document.getElementsByName('t')[0].value],{type:'text/plain'}));\">Save</button><a href='?run'>run</a><w></w>")
+        conn:send("</h2><br><textarea name=t cols=110 rows=50></textarea></br>")   
+    end    
+
+    if vars=="run" then        
+        conn:send("<verbatim>")                
+        local st, result=pcall(dofile, url)
+        conn:send(tostring(result))   
+        conn:send("</verbatim>")  
+    end
+  
+    if url=="" then
+        local l = file.list();
+        for k,v in pairs(l) do  
+            conn:send("<a href='"..k.."?edit'>"..k.."</a>, size:"..v.."<br>")
+        end        
+    end
+    
+    conn:send("</body></html>")
+        
+  end)
+  conn:on("sent",function(conn) 
+    if DataToGet>=0 and method=="GET" then
+        if file.open(url, "r") then            
+            file.seek("set", DataToGet)
+            local line=file.read(512)
+            file.close()
+            if line then
+                conn:send(line)
+                DataToGet = DataToGet + 512    
+            
+                if (string.len(line)==512) then
+                    return
+                end
+            end
+        end        
+    end
+    
+    conn:close() 
+  end)
+end)
+print("listening, free:", node.heap())
+

PCM/Play_file/wifi_ap_start.lua

@@ -0,0 +1,15 @@
+-- Démarre le WIFI en mode AP
+
+print("\n wifi_ap_start.lua   zf190125.1715   \n")
+
+local zmodewifi=wifi.getmode()
+if zmodewifi == wifi.NULLMODE then
+    print("WIFI mode AP only")
+    wifi.setmode(wifi.SOFTAP)
+elseif zmodewifi == wifi.STATION then
+    print("WIFI mode AP+CLI")
+    wifi.setmode(wifi.STATIONAP)
+end
+wifi.ap.config({ ssid = "NodeMCU "..wifi.ap.getmac(), pwd = "12345678" })
+
+--f= "wifi_info.lua"   if file.exists(f) then dofile(f) end

PCM/Play_file/wifi_cli_conf.lua

@@ -0,0 +1,12 @@
+-- Petit script pour configurer le client WIFI du NodeMCU
+
+print("\n wifi_cli_conf.lua   zf190126.1533   \n")
+
+--credentials par défaut
+cli_ssid="3G-zf"
+cli_pwd="12234567"
+
+--ses propre credentials
+f= "credentials.lua"    if file.exists(f) then dofile(f) end
+
+wifi.sta.config{ssid=cli_ssid, pwd=cli_pwd, save=true}

PCM/Play_file/wifi_cli_start.lua

@@ -0,0 +1,14 @@
+-- Petit script pour connecter le NodeMCU sur un AP Wifi avec l'accompte sauvé en EEPROM
+print("\n wifi_cli_start.lua   zf181119.2359   \n")
+
+local zmodewifi=wifi.getmode()
+if zmodewifi == wifi.NULLMODE then
+    print("WIFI mode CLI only")
+    wifi.setmode(wifi.STATION)
+elseif zmodewifi == wifi.SOFTAP then
+    print("WIFI mode AP+CLI")
+    wifi.setmode(wifi.STATIONAP)
+end
+wifi.sta.autoconnect(1)
+wifi.sta.connect()
+f= "wifi_get_ip.lua"   if file.exists(f) then dofile(f) end

PCM/Play_file/wifi_info.lua

@@ -0,0 +1,31 @@
+-- Petit script pour afficher les infos actuel du WIFI
+print("\n wifi_info.lua   zf181119.0014   \n")
+
+local zmodewifi=wifi.getmode()
+
+--wifi.NULLMODE, wifi.STATION, wifi.SOFTAP, wifi.STATIONAP
+
+if zmodewifi == wifi.NULLMODE then
+    print("WIFI OFF")
+elseif zmodewifi == wifi.STATION then
+    print("WIFI mode CLI")
+    print("Connected IP:\n",wifi.sta.getip())
+    do
+        local sta_config=wifi.sta.getconfig(true)
+        print(string.format("Current client config:\n\tssid:\"%s\"\tpassword:\"%s\"\n\tbssid:\"%s\"\tbssid_set:%s", sta_config.ssid, sta_config.pwd, sta_config.bssid, (sta_config.bssid_set and "true" or "false")))
+    end
+elseif zmodewifi == wifi.SOFTAP then
+    print("WIFI mode AP")
+    print("AP MAC:\n",wifi.ap.getmac())
+    print("AP IP:\n",wifi.ap.getip())
+    print("AP Connect:\n",wifi.ap.getconfig())
+elseif zmodewifi == wifi.STATIONAP then
+    print("WIFI mode CLI+AP")
+    print("Connected IP:\n",wifi.sta.getip())
+    do
+        local sta_config=wifi.sta.getconfig(true)
+        print(string.format("Current client config:\n\tssid:\"%s\"\tpassword:\"%s\"\n\tbssid:\"%s\"\tbssid_set:%s", sta_config.ssid, sta_config.pwd, sta_config.bssid, (sta_config.bssid_set and "true" or "false")))
+    end
+    print("AP MAC: "..wifi.ap.getmac())
+    print("AP IP: "..wifi.ap.getip())
+end

PCM/Play_file/wifi_off.lua

@@ -0,0 +1,9 @@
+-- Déconnecte le WIFI
+print("\n wifi_off.lua   zf180822.0959   \n")
+
+wifi.setmode(wifi.NULLMODE)
+
+--[[
+print(wifi.NULLMODE, wifi.STATION, wifi.SOFTAP, wifi.STATIONAP)
+print(wifi.getmode())
+]]