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‎ap.lua

Lines changed: 11 additions & 0 deletions
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1+
print("set up wifi AP mode")
2+
wifi.setmode(wifi.SOFTAP)
3+
cfg = {}
4+
cfg.ssid = 'ESP8266-'..node.chipid()
5+
cfg.pwd = '1234567890'
6+
wifi.ap.config(cfg)
7+
8+
tmr.alarm(0, 2000, 0, function()
9+
print ('Start HTTP Server')
10+
dofile('sample_http3.lc')
11+
end)

‎calculator.html

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1+
<html lang="zh-Hans">
2+
<head><meta charset="utf-8"><title>calculator</title></head>
3+
<body>
4+
<form method="post">
5+
<input name="num1" value='1'>
6+
<select name="sign">
7+
<option value="+">+</option>
8+
<option value="-">-</option>
9+
<option value="*">*</option>
10+
<option value="/">/</option>
11+
</select>
12+
<input name="num2" value='1'>
13+
<button type="submit">Submit</button>
14+
</form>
15+
{{result}}
16+
</body>
17+
</html>

‎coms.lua

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1+
ssid = 'Comscicafe'
2+
pwd = 'ArteTalento'
3+
print("set up wifi mode")
4+
wifi.setmode(wifi.STATION)
5+
wifi.sta.config(ssid, pwd)
6+
wifi.sta.connect()
7+
cnt = 0
8+
tmr.alarm(0, 1000, 1, function()
9+
if (wifi.sta.getip() == nil) and (cnt < 200) then
10+
print("IP unavaiable, Waiting...")
11+
cnt = cnt + 1
12+
else
13+
tmr.stop(0)
14+
if (cnt < 20) then
15+
print("Config done, IP is "..wifi.sta.getip())
16+
tmr.alarm(0, 2000, 1, function()
17+
tmr.stop(0)
18+
print("WIFI connected...")
19+
dofile('tcp_client_temp.lc')
20+
--dofile("iothink_relay.lc")
21+
-- dofile("sample_http3.lua")
22+
--dofile("iothink_weather.lc")
23+
end)
24+
else
25+
print("Wifi setup time more than 10s, Please verify wifi.sta.config() function. Then re-download the file.")
26+
end
27+
end
28+
end)

‎dht22.lua

Lines changed: 84 additions & 0 deletions
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1+
------------------------------------------------------------------------------
2+
-- DHT11/22 query module
3+
--
4+
-- LICENCE: http://opensource.org/licenses/MIT
5+
-- Vladimir Dronnikov <[email protected]>
6+
--
7+
-- Example:
8+
-- print("DHT11", dofile("dht22.lua").read(4))
9+
-- print("DHT22", dofile("dht22.lua").read(4, true))
10+
-- NB: the very first read sometimes fails
11+
------------------------------------------------------------------------------
12+
local M
13+
do
14+
-- cache
15+
local gpio = gpio
16+
local val = gpio.read
17+
local waitus = tmr.delay
18+
--
19+
local read = function(pin, dht22)
20+
-- wait for pin value
21+
local w = function(v)
22+
local c = 255
23+
while c > 0 and val(pin) ~= v do c = c - 1 end
24+
return c
25+
end
26+
-- NB: we preallocate incoming data buffer
27+
-- or precise timing in reader gets broken
28+
local b = { 0, 0, 0, 0, 0 }
29+
30+
-- kick the device
31+
gpio.mode(pin, gpio.INPUT, gpio.PULLUP)
32+
gpio.write(pin, 1)
33+
waitus(10)
34+
gpio.mode(pin, gpio.OUTPUT)
35+
gpio.write(pin, 0)
36+
waitus(20000)
37+
gpio.write(pin, 1)
38+
gpio.mode(pin, gpio.INPUT, gpio.PULLUP)
39+
-- wait for device presense
40+
if w(0) == 0 or w(1) == 0 or w(0) == 0 then
41+
return nil, 0
42+
end
43+
-- receive 5 octets of data, msb first
44+
for i = 1, 5 do
45+
local x = 0
46+
for j = 1, 8 do
47+
x = x + x
48+
if w(1) == 0 then return nil, 1 end
49+
-- 70us for 1, 27 us for 0
50+
waitus(30)
51+
if val(pin) == 1 then
52+
x = x + 1
53+
if w(0) == 0 then return nil, 2 end
54+
end
55+
end
56+
b[i] = x
57+
end
58+
-- check crc. NB: calculating in receiver loop breaks timings
59+
local crc = 0
60+
for i = 1, 4 do
61+
crc = (crc + b[i]) % 256
62+
end
63+
if crc ~= b[5] then return nil, 3 end
64+
-- convert
65+
local t, h
66+
-- DHT22: values in tenths of unit, temperature can be negative
67+
if dht22 then
68+
h = b[1] * 256 + b[2]
69+
t = b[3] * 256 + b[4]
70+
if t > 0x8000 then t = -(t - 0x8000) end
71+
-- DHT11: no negative temperatures, only integers
72+
-- NB: return in 0.1 Celsius
73+
else
74+
h = 10 * b[1]
75+
t = 10 * b[3]
76+
end
77+
return t, h
78+
end
79+
-- expose interface
80+
M = {
81+
read = read,
82+
}
83+
end
84+
return M

‎dht_lib.lua

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
local moduleName = 'dht'
1+
local moduleName = 'dht_lib'
22
local M = {}
33
_G[moduleName] = M
44
local humidity
@@ -101,4 +101,4 @@ function M.getHumidity()
101101
return humidity
102102
end
103103

104-
return M
104+
return M

‎ds3231-example.lua

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1+
require("ds3231")
2+
3+
-- ESP-01 GPIO Mapping
4+
gpio0, gpio2 = 3, 4
5+
6+
ds3231.init(gpio0, gpio2)
7+
8+
second, minute, hour, day, date, month, year = ds3231.getTime();
9+
10+
-- Get current time
11+
print(string.format("Time & Date: %s:%s:%s %s/%s/%s", hour, minute, second, date, month, year))
12+
13+
-- Don't forget to release it after use
14+
ds3231 = nil
15+
package.loaded["ds3231"]=nil

‎ds3231-web.lua

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1+
require('ds3231')
2+
3+
port = 80
4+
5+
-- ESP-01 GPIO Mapping
6+
gpio0, gpio2 = 3, 4
7+
8+
days = {
9+
[1] = "Sunday",
10+
[2] = "Monday",
11+
[3] = "Tuesday",
12+
[4] = "Wednesday",
13+
[5] = "Thursday",
14+
[6] = "Friday",
15+
[7] = "Saturday"
16+
}
17+
18+
months = {
19+
[1] = "January",
20+
[2] = "Febuary",
21+
[3] = "March",
22+
[4] = "April",
23+
[5] = "May",
24+
[6] = "June",
25+
[7] = "July",
26+
[8] = "August",
27+
[9] = "September",
28+
[10] = "October",
29+
[11] = "November",
30+
[12] = "December"
31+
}
32+
33+
ds3231.init(gpio0, gpio2)
34+
35+
srv=net.createServer(net.TCP)
36+
srv:listen(port,
37+
function(conn)
38+
39+
second, minute, hour, day, date, month, year = ds3231.getTime()
40+
prettyTime = string.format("%s, %s %s %s %s:%s:%s", days[day], date, months[month], year, hour, minute, second)
41+
42+
conn:send("HTTP/1.1 200 OK\nContent-Type: text/html\nRefresh: 5\n\n" ..
43+
"<!DOCTYPE HTML>" ..
44+
"<html><body>" ..
45+
"<b>ESP8266</b></br>" ..
46+
"Time and Date: " .. prettyTime .. "<br>" ..
47+
"Node ChipID : " .. node.chipid() .. "<br>" ..
48+
"Node MAC : " .. wifi.sta.getmac() .. "<br>" ..
49+
"Node Heap : " .. node.heap() .. "<br>" ..
50+
"Timer Ticks : " .. tmr.now() .. "<br>" ..
51+
"</html></body>")
52+
conn:on("sent",function(conn) conn:close() end)
53+
end
54+
)

‎ds3231.lua

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1+
--------------------------------------------------------------------------------
2+
-- DS3231 I2C module for NODEMCU
3+
-- NODEMCU TEAM
4+
-- LICENCE: http://opensource.org/licenses/MIT
5+
-- Tobie Booth <[email protected]>
6+
--------------------------------------------------------------------------------
7+
8+
local moduleName = 'ds3231'
9+
local M = {}
10+
_G[moduleName] = M
11+
12+
-- Default value for i2c communication
13+
local id = 0
14+
15+
--device address
16+
local dev_addr = 0x68
17+
18+
local function decToBcd(val)
19+
return((((val/10) - ((val/10)%1)) *16) + (val%10))
20+
end
21+
22+
local function bcdToDec(val)
23+
return((((val/16) - ((val/16)%1)) *10) + (val%16))
24+
end
25+
26+
-- initialize i2c
27+
--parameters:
28+
--d: sda
29+
--l: scl
30+
function M.init(d, l)
31+
if (d ~= nil) and (l ~= nil) and (d >= 0) and (d <= 11) and (l >= 0) and ( l <= 11) and (d ~= l) then
32+
sda = d
33+
scl = l
34+
else
35+
print("iic config failed!") return nil
36+
end
37+
print("init done")
38+
i2c.setup(id, sda, scl, i2c.SLOW)
39+
end
40+
41+
--get time from DS3231
42+
function M.getTime()
43+
i2c.start(id)
44+
i2c.address(id, dev_addr, i2c.TRANSMITTER)
45+
i2c.write(id, 0x00)
46+
i2c.stop(id)
47+
i2c.start(id)
48+
i2c.address(id, dev_addr, i2c.RECEIVER)
49+
local c=i2c.read(id, 7)
50+
i2c.stop(id)
51+
return bcdToDec(tonumber(string.byte(c, 1))),
52+
bcdToDec(tonumber(string.byte(c, 2))),
53+
bcdToDec(tonumber(string.byte(c, 3))),
54+
bcdToDec(tonumber(string.byte(c, 4))),
55+
bcdToDec(tonumber(string.byte(c, 5))),
56+
bcdToDec(tonumber(string.byte(c, 6))),
57+
bcdToDec(tonumber(string.byte(c, 7)))
58+
end
59+
60+
--set time for DS3231
61+
function M.setTime(second, minute, hour, day, date, month, year)
62+
i2c.start(id)
63+
i2c.address(id, dev_addr, i2c.TRANSMITTER)
64+
i2c.write(id, 0x00)
65+
i2c.write(id, decToBcd(second))
66+
i2c.write(id, decToBcd(minute))
67+
i2c.write(id, decToBcd(hour))
68+
i2c.write(id, decToBcd(day))
69+
i2c.write(id, decToBcd(date))
70+
i2c.write(id, decToBcd(month))
71+
i2c.write(id, decToBcd(year))
72+
i2c.stop(id)
73+
end
74+
75+
return M

‎esp8266-projects-master.zip

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‎esp8266-projects-master/01d.MONO

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‎esp8266-projects-master/README.md

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1+
# esp8266-projects
2+
3+
Collection of projects for the ESP8266. Have a look at the projects for more detailed instructions or go to http://blog.squix.ch

‎esp8266-projects-master/simple-oled-example/clouds.png

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‎esp8266-projects-master/simple-oled-example/clouds.xbm

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#define clouds_width 60
2+
#define clouds_height 60
3+
static unsigned short clouds_bits[] = {
4+
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
5+
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
6+
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
7+
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xf000, 0x000f, 0x0000,
8+
0x0000, 0xfe00, 0x007f, 0x0000, 0x0000, 0xff80, 0x01ff, 0x0000, 0x0000,
9+
0xffc0, 0x07ff, 0x0000, 0x0000, 0xffe0, 0x0fff, 0x0000, 0x0000, 0x1ff0,
10+
0x1ff8, 0x0000, 0x0000, 0x07f8, 0x3fc0, 0x0000, 0x0000, 0x01fc, 0x7f00,
11+
0x0000, 0x0000, 0x00fe, 0x7e00, 0x0000, 0x0000, 0x007e, 0xfc00, 0x0000,
12+
0xe000, 0x003f, 0xf800, 0x0001, 0xfc00, 0x001f, 0xf800, 0x0001, 0xff00,
13+
0x001f, 0xf000, 0x0001, 0xff80, 0x000f, 0xf000, 0x0003, 0xffc0, 0x000f,
14+
0xe000, 0x0003, 0x3fe0, 0x000c, 0xe000, 0x0003, 0x07f0, 0x0000, 0xe000,
15+
0x000f, 0x03f0, 0x0000, 0xe000, 0x001f, 0x01f8, 0x0000, 0xe000, 0x003f,
16+
0x00f8, 0x0000, 0xe000, 0x007f, 0x00fc, 0x0000, 0xa000, 0x00ff, 0x007c,
17+
0x0000, 0x0000, 0x01fc, 0x007c, 0x0000, 0x0000, 0x01f8, 0x007c, 0x0000,
18+
0x0000, 0x01f0, 0x007c, 0x0000, 0x0000, 0x03f0, 0x007c, 0x0000, 0x0000,
19+
0x03e0, 0x007c, 0x0000, 0x0000, 0x03e0, 0x00fc, 0x0000, 0x0000, 0x03e0,
20+
0x00f8, 0x0000, 0x0000, 0x03e0, 0x01f8, 0x0000, 0x0000, 0x03f0, 0x03f8,
21+
0x0000, 0x0000, 0x01f0, 0x07f0, 0x01c0, 0x0703, 0x01f8, 0x1fe0, 0x81c0,
22+
0x0703, 0x00fe, 0xffc0, 0xc0e3, 0xe383, 0x00ff, 0xff80, 0xc0f1, 0xe3c1,
23+
0x007f, 0xff00, 0xe0f0, 0xe3c1, 0x003f, 0xfe00, 0xe0f8, 0xe1e1, 0x000f,
24+
0x7000, 0xf078, 0xf1f0, 0x0003, 0x0000, 0xf87c, 0x01f0, 0x0000, 0x0000,
25+
0xf87e, 0x00f8, 0x0000, 0x0000, 0x7c3e, 0x00f8, 0x0000, 0x0000, 0x7e3e,
26+
0x00f8, 0x0000, 0x0000, 0x3e1c, 0x0070, 0x0000, 0x0000, 0x3e00, 0x0000,
27+
0x0000, 0x0000, 0x3e00, 0x0000, 0x0000, 0x0000, 0x0c00, 0x0000, 0x0000,
28+
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
29+
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
30+
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 };

‎esp8266-projects-master/simple-oled-example/displayXBM.lua

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1+
2+
-- setup I2c and connect display
3+
function init_i2c_display()
4+
-- SDA and SCL can be assigned freely to available GPIOs
5+
sda = 3 -- GPIO14
6+
scl = 4 -- GPIO12
7+
sla = 0x3c
8+
i2c.setup(0, sda, scl, i2c.SLOW)
9+
disp = u8g.ssd1306_128x64_i2c(sla)
10+
end
11+
12+
function xbm_picture()
13+
disp:setFont(u8g.font_6x10)
14+
disp:drawStr( 0, 62, "Rainy 8C")
15+
disp:drawXBM( 0, -5, 60, 60, xbm_data )
16+
end
17+
18+
function bitmap_test(delay)
19+
file.open("13d.MONO", "r")
20+
xbm_data = file.read()
21+
file.close()
22+
23+
disp:firstPage()
24+
repeat
25+
xbm_picture()
26+
until disp:nextPage() == false
27+
28+
tmr.wdclr()
29+
end
30+
31+
init_i2c_display()
32+
bitmap_test()

‎esp8266-projects-master/simple-oled-example/simple-oled-sketch.fzz

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‎esp8266-projects-master/temp.gif

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‎esp8266-projects-master/temp.png

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