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WallClockV2.toit
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WallClockV2.toit
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// Wall Clock V2
// Copyright 2022 John Ellis. All rights reserved.
// Use of this source code is governed by a MIT-style license that can be
// found in the LICENSE file.
// ESP32 system to drive 100yr old school clock that requires a pulse every 30 seconds
// Accuracy is maintained by Toit's time being maintained from some timeserver or other
import gpio
import net.tcp show ServerSocket
import net
import rest_server show RestServer RestRequest RestResponse
coil/gpio.Pin := gpio.Pin 12 --output //pin to drive solenoid MOSFET
ctime/Time := Time.now //Clock face time
pulseTime := 10 //time for pulse to be on in ms
checkWait := 1000 - pulseTime //milliseconds wait before checking time. This will be the click rate at its fastest when clock is behind at beginning of summertime// pulsetime will contribute to total wait
sec30 := Duration --s=30
sec60 := Duration --s=60
sec0 := Duration --s=0
dur := Duration --s=0
restart/bool := true
ss /ServerSocket := net.open.tcp_listen 80
mp := {:} //time map
cval := [] //incoming time values to set clock
//either cft, clock face time form or thy, thank you
//static HTML defined here
htmlcft := """<html>
<head>
<title>Clock Face TIme</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" href="data:,">
<style>
html{font-family: Helvetica; display:inline-block; margin: 0px auto; text-align: center;}
h1{color: #0F3376; padding: 2vh;}p{font-size: 1.5rem;}
table{color: #0F0F76; padding: 2vh;}p{font-size: 1.5rem; align:center;}
table.center {
margin-left:auto;
margin-right:auto;
}
.button{display: inline-block; background-color: #e7bd3b; border: none; border-radius: 4px; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}
.button2{background-color: #4286f4;}
</style>
</head>
<body>
<h1>Clock Face Time</h1>
<p>Please enter the time showing on the clock face:</p>
<form action="/thy" method="post">
<table class="center">
<tr><td>Hours</td><td>Mins</td><td>Secs</td><td/></tr>
<tr><td>
<select id="hh" name="hh" width="2">
<option value="0">00</option>
<option value="1">01</option>
<option value="2">02</option>
<option value="3">03</option>
<option value="4">04</option>
<option value="5">05</option>
<option value="6">06</option>
<option value="7">07</option>
<option value="8">08</option>
<option value="9">09</option>
<option value="10">10</option>
<option value="11">11</option>
</select>
</td>
<td>
<select id="mi" name="mi" width="2">
<option value="0">00</option>
<option value="1">01</option>
<option value="2">02</option>
<option value="3">03</option>
<option value="4">04</option>
<option value="5">05</option>
<option value="6">06</option>
<option value="7">07</option>
<option value="8">08</option>
<option value="9">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
<option value="32">32</option>
<option value="33">33</option>
<option value="34">34</option>
<option value="35">35</option>
<option value="36">36</option>
<option value="37">37</option>
<option value="38">38</option>
<option value="39">39</option>
<option value="40">40</option>
<option value="41">41</option>
<option value="42">42</option>
<option value="43">43</option>
<option value="44">44</option>
<option value="45">45</option>
<option value="46">46</option>
<option value="47">47</option>
<option value="48">48</option>
<option value="49">49</option>
<option value="50">50</option>
<option value="51">51</option>
<option value="52">52</option>
<option value="53">53</option>
<option value="54">54</option>
<option value="55">55</option>
<option value="56">56</option>
<option value="57">57</option>
<option value="58">58</option>
<option value="59">59</option>
</select>
</td>
<td>
<select id="ss" name="ss" width="2">
<option value="0">00</option>
<option value="30">30</option>
</select>
<input type="hidden" id="dummy" name="dummy" value="999"/>
</td>
<td>
<input type="submit" value="Submit" style="button">
</td>
</form>
</body>
</html>"""
htmlthy := """<head>
<title>Clock Face TIme</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" href="data:,">
<style>
html{font-family: Helvetica; display:inline-block; margin: 0px auto; text-align: center;}
h1{color: #0F3376; padding: 2vh;}p{font-size: 1.5rem;}
table{color: #0F0F76; padding: 2vh;}p{font-size: 1.5rem; align:center;}
table.center {
margin-left:auto;
margin-right:auto;
}
.button{display: inline-block; background-color: #e7bd3b; border: none; border-radius: 4px; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}
.button2{background-color: #4286f4;}
</style>
</head>
<body>
<h1>Clock set to:</h1>
<p>"""
/** Time now inserted here when response is made **/
xx := """</p>
<p><a href="http://www.google.com"><button class="button button2">Finished</button></a><p>
</body>
</html>"""
//////////////////////////////
pulse:
coil.set 1
sleep
--ms=pulseTime
coil.set 0
ctime = ctime + sec30
//wdt.feed()
////////////////////////////////////////
setctime val:
thing := []
print "==== Setting Clock time..."
print val
val.do: | item |
thing = item.split "="
mp[thing[0]] = int.parse thing[1]
if Time.now.local.h > 11: //12 or after in 24hr clock
mp["hh"] = mp["hh"] + 12
////now set ctime to be these values
ctime = Time.local Time.now.local.year Time.now.local.month Time.now.local.day mp["hh"] mp["mi"] mp["ss"]
cval.clear // prevent a second call of this routing by clearing the global variable
/////////////////////// main ///////////////////////////////////////////////////
main :
print "WallClock starting..."
/////////// set up responses from restserver
// Whatever this lambda returns is added to the body json of the 500 reply on exception
rest := RestServer (ss)
//log_system.get_recent_logs 25 // For example return the last 25 logs generated prior to the exception
rest.get "/cft" :: | req/RestRequest resp/RestResponse |
resp.http_res.write htmlcft
rest.post "/thy" :: | reqt/RestRequest respt/RestResponse |
t := Time.now
page := htmlthy + "$(%02d t.local.h):$(%02d t.local.m):$(%02d t.local.s) " + xx
respt.http_res.write page
cval = reqt.http_req.body.read.to_string.split "&"
////// initialise coil driver to off
coil.set 0
sleep --ms=2000 //wait so do not get double pulse if restart is very fast
/////// wait for right time for first click
while Time.now.local.s !=0 and Time.now.local.s !=30: //wait for optimum time to start
//print Time.now.local.s
sleep --ms=500
print "********* Starting @ $Time.now.local because secs = $Time.now.local.s"
pulse
ctime = Time.now //kickoff
///////// now click if/when required, terminate every day at noon for a clean slate
while not (Time.now.local.h == 12 and Time.now.local.m == 00 and Time.now.local.s == 0 and restart):
dur = Duration.since ctime
//print dur
//check to prevent restart if time is being adjusted, ie dur is > 60secs or less than 0
if dur > sec60 or dur < sec0:
restart = false
else:
restart = true
if dur >= sec30:
//print "pulse: $Time.now.local"
pulse
sleep --ms=480 //was checkWait
//check for clock setting
if cval.is_empty == false: //values set so use them
setctime cval
//exiting for restart
pulse // will miss this one while exiting so explicitly do it here
print "Stopping for clean slate"
exit 0 //hard exit to kill restserver as well as this program