init.lua
wifi.setmode(wifi.STA
tiON)
wifi.sta.config("SSID","password")
打印(wifi.sta.getip())
tmr.alarm(0, 60000, 1, function() dofile( "speak.lua") end )
speak.lua
conn=net.createConnection(net.TCP, 0)
conn:on("receive", function(conn, payload) print(payload) end)
conn:connect(80,' 184.106.153.149')
conn:send("GET /update?key=yourKEY&field1=16 HTTP/1.1\r\n")
conn:send("Host: api.thingspeak.com\r\n")
conn:send( "接受:*/*\r\n")
conn:send("User-Agent: Mozilla/4.0 (compatible; esp8266 Lua; Windows NT 5.1)\r\n") conn:
send("\r\n" )
从 BS18B20 发送温度到 thingspeak.com
speak.lua
pin = 9
ow.setup(pin)
count = 0
repeat
count = count + 1
addr = ow.reset_search(pin)
addr = ow.search(pin)
tmr.wdclr()
until((addr ~= nil) or (count > 100))
if (addr == nil) then
print("No more addresses.")
else
print(addr:byte(1,8))
crc = ow.crc8( string.sub(addr,1,7))
if (crc == addr:byte(8)) then
if ((addr:byte(1) == 0x10) or (addr:byte(1) == 0x28))然后
print("Device is a DS18S20 family device.")
--repeat
ow.reset(pin)
ow.select(pin, addr)
ow.write(pin, 0x44, 1)
tmr.delay(1000000)
present = ow.reset(pin)
ow.select(pin, addr)
ow.write(pin,0xBE,1)
print("P=".. present)
data = nil
data = string.char(ow.read(pin))
for i = 1, 8 do
data = data .. string.char(ow.read(pin))
end
print(data:byte(1, 9))
crc = ow.crc8(string.sub(data,1,8))
print("CRC="..crc)
if (crc == data:byte(9)) then
t = (data:byte( 1) + 数据:字节 (2) * 256) * 625
t1 = t / 1000
t2 = t % 1000
print("Temperature= "..t1..""..t2.." Centigrade")
end
tmr.wdclr()
--until false
else
print("设备系列未被识别。")
end
else
print(" CRC 无效!”)
end
end
conn=net.createConnection(net.TCP, 0)
conn:on("receive", function(conn, payload) print(payload) end)
conn:connect(80,'184.106. 153.149')
conn:send("GET /update?key=Yourey&field1="..t1..""..t2.." HTTP/1.1\r\n")
conn:send("Host: api.thingspeak .com\r\n")
conn:send("接受: */*\r\n")
conn:send("User-Agent: Mozilla/4.0 (compatible; esp8266 Lua; Windows NT 5.1)\r\n")
连接:发送(“\r\n”)