Coding の ORZ : 智慧居家聲控

流程圖:

伺服器方面
Nodemcu 當作負責產生一個網頁頁面可以透過按鈕去控制或連結去做過濾字串的篩檢已檢測目前動作是什麼

接腳圖:

硬體方面:因為在紅外線那邊我們在nodemcu 找不到紅外線的函式庫，最後沒辦法找到，所以使用arduino 內建的函式庫進行紅外線的發送，所以硬體方面是透過i2c進行nodemcu 對arduino進行發送紅外線的指令，然後在nodemcu的畫則是進行伺服器的搭建，負責回應各個指令應對。
軟體方面:app負責處理語音和資料庫的讀取和判斷然後再去發送url瀏覽已進行對nodemcu的操控

Nodemcu:

	led = 3
	ip = wifi.sta.getip()
	gpio.mode(led,gpio.OUTPUT)
	wifi.setmode(wifi.STATION)
	id=0
	sda=1
	scl=2
	ARDUINO_I2C = 0x15
	data=0
	i2c.setup(id,sda,scl,i2c.SLOW)
	wifi.sta.config("AP","123456789")
	gpio.write(led,gpio.LOW)
	function foo(num1)
	tmp =num1
	if tmp==nil then
	return 255
	else
	return tmp
	end
	end

	function write_data(id,dev_addr,tmp)
	i2c.start(id)
	i2c.address(id, dev_addr,i2c.TRANSMITTER)
	i2c.write(id,tmp)
	i2c.stop(id)

	return tmp
	end
	tmr.alarm(0, 1000, 1, function()
	if wifi.sta.getip() == nil then
	print("Connecting to AP...\n")
	else
	ip, nm, gw=wifi.sta.getip()
	print("IP Info: \nIP Address: ",ip)
	print("Netmask: ",nm)
	print("Gateway Addr: ",gw,'\n')
	tmr.stop(0)
	end
	end)
	if srv~=nil then
	srv:close()
	end
	srv=net.createServer(net.TCP)

	srv:listen(80,function(conn)
	conn:on("receive",function(conn,payload)
	print(payload)
	tmp=wifi.sta.getip()
	conn:send("<h1> Hello, NodeMcWu.</h1>".."<a href=\"/LED=on\"\"><button>Led Status</button></a><br />"..
	"<a href=\"/LED=off\"\"><button>Led Status</button></a><br />"
	..
	"<a href=\"/LED2=on\"\"><button>Led Status</button></a><br />"
	..
	"<a href=\"/LED2=off\"\"><button>Led Status</button></a><br />"..
	//mysql 插入等等
	"<a href=\"http://x213212.esy.es/qeury2.php?query=UPDATE `u769530028_map`.`test2` SET `function` = '"..tmp.."' WHERE `test2`.`name` = 'nodemcu_ip' ;\"\"><button>Led Status</button></a><br />"
	)
	if foo(string.find(payload, "LED=on")) < 10 then
	//負責進行指令判斷
	val = write_data(id, ARDUINO_I2C,"a")
	print("Trans: ",val)

	elseif foo(string.find(payload, "LED=off")) < 10 then

	val = write_data(id, ARDUINO_I2C,"b")
	print("Trans: ",val)

	elseif foo(string.find(payload, "LED2=on")) < 10 then
	gpio.write(led,gpio.HIGH)

	print("Trans: ",val)

	elseif foo(string.find(payload, "LED2=off")) < 10 then
	gpio.write(led,gpio.LOW)

	print("Trans: ",val)

	end


	end)
	end)

view raw nodemcu.lua hosted with ❤ by GitHub

arduino:

	#include <IRremote.h>
	#include <IRremoteInt.h>
	#include <IRremote.h>
	#include <Wire.h>
	const byte SLAVE_ADDRESS = 0x15;
	int led = 13;
	byte x;
	int tmp;
	IRsend irsend;
	void setup()
	{
	Serial.begin(115200);

	Wire.begin(SLAVE_ADDRESS);
	TWBR = 12; // 50 kHz speed
	Wire.onReceive(receiveData);
	pinMode(2, OUTPUT);
	}
	void receiveData(int n){
	while(Wire.available()){
	int c;
	c= Wire.read(); // receive byte as a character
	Serial.print(c); // print the character
	tmp=c;
	}
	}
	void loop() {
	if(tmp=='a'){
	irsend.sendNEC(0x807F30CF, 32); // TV power code 　　這邊採用NEC的模式　,807F30CF　是我的電視訊號
	tmp=' ';
	}
	else if(tmp=='b'){
	irsend.sendNEC(0x807F30CF, 32); // TV power code 　　這邊採用NEC的模式　,807F30CF　是我的電視訊號
	tmp=' ';
	}
	else if(tmp=='c'){
	digitalWrite(2, HIGH); // sets the LED on
	tmp=' ';
	}
	else if(tmp=='d'){
	digitalWrite(2, LOW); // sets the LED off
	tmp=' ';
	}
	delay(500);
	}