From adfffb89f0370763614f958915e70daf84d08db9 Mon Sep 17 00:00:00 2001 From: HuangRui Date: Mon, 8 Dec 2014 16:20:49 +0800 Subject: [PATCH] * Changed ds18b20.lua to ds18b20-example.lua --- examples/ds18b20.lua | 56 -------------------------------------------- 1 file changed, 56 deletions(-) delete mode 100644 examples/ds18b20.lua diff --git a/examples/ds18b20.lua b/examples/ds18b20.lua deleted file mode 100644 index ed728bbc..00000000 --- a/examples/ds18b20.lua +++ /dev/null @@ -1,56 +0,0 @@ ---' --- 18b20 one wire example for NODEMCU --- NODEMCU TEAM --- LICENCE: http://opensource.org/licenses/MIT --- Vowstar ---' - -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)) then - 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) + data:byte(2) * 256) * 625 - t1 = t / 10000 - t2 = t % 10000 - print("Temperature= "..t1.."."..t2.." Centigrade") - end - tmr.wdclr() - until false - else - print("Device family is not recognized.") - end - else - print("CRC is not valid!") - end -end