From e3eaa6f44a183a5c4ab78a6420de1cecadb2a5a7 Mon Sep 17 00:00:00 2001
From: jbruce12000 <jbruce12000@gmail.com>
Date: Sun, 1 Jan 2023 16:25:27 -0500
Subject: [PATCH 1/2] stats now contain heat_rate

---
 lib/oven.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/lib/oven.py b/lib/oven.py
index d0d9ebc..49f290b 100644
--- a/lib/oven.py
+++ b/lib/oven.py
@@ -327,6 +327,8 @@ class Oven(threading.Thread):
         self.totaltime = 0
         self.target = 0
         self.heat = 0
+        self.heat_rate = 0
+        self.heat_rate_temps = []
         self.pid = PID(ki=config.pid_ki, kd=config.pid_kd, kp=config.pid_kp)
 
     @staticmethod
@@ -339,6 +341,24 @@ class Oven(threading.Thread):
             startat = 0
         return startat
 
+    def set_heat_rate(self,runtime,temp):
+        '''heat rate is the heating rate in degrees/hour
+        '''
+        # arbitrary number of samples
+        # the time this covers changes based on a few things
+        numtemps = 60
+        self.heat_rate_temps.append((runtime,temp))
+         
+        # drop old temps off the list
+        if len(self.heat_rate_temps) > numtemps:
+            self.heat_rate_temps = self.heat_rate_temps[-1*numtemps:]
+        time2 = self.heat_rate_temps[-1][0]
+        time1 = self.heat_rate_temps[0][0]
+        temp2 = self.heat_rate_temps[-1][1]
+        temp1 = self.heat_rate_temps[0][1]
+        if time2 > time1:
+            self.heat_rate = ((temp2 - temp1) / (time2 - time1))*3600
+
     def run_profile(self, profile, startat=0, allow_seek=True):
         log.debug('run_profile run on thread' + threading.current_thread().name)
         runtime = startat * 60
@@ -426,6 +446,8 @@ class Oven(threading.Thread):
             temp = 0
             pass
 
+        self.set_heat_rate(self.runtime,temp)
+
         state = {
             'cost': self.cost,
             'runtime': self.runtime,
@@ -433,6 +455,7 @@ class Oven(threading.Thread):
             'target': self.target,
             'state': self.state,
             'heat': self.heat,
+            'heat_rate': self.heat_rate,
             'totaltime': self.totaltime,
             'kwh_rate': config.kwh_rate,
             'currency_type': config.currency_type,

From d0749ac7d95fb2da21914576e8368ae0e55d884d Mon Sep 17 00:00:00 2001
From: jbruce12000 <jbruce12000@gmail.com>
Date: Mon, 2 Jan 2023 11:47:45 -0500
Subject: [PATCH 2/2] add rate to web interface

---
 public/assets/js/picoreflow.js | 5 +++++
 public/index.html              | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/public/assets/js/picoreflow.js b/public/assets/js/picoreflow.js
index b5338ce..7d38a92 100644
--- a/public/assets/js/picoreflow.js
+++ b/public/assets/js/picoreflow.js
@@ -575,6 +575,10 @@ $(document).ready(function()
                 }
 
                 $('#act_temp').html(parseInt(x.temperature));
+                heat_rate = parseInt(x.heat_rate)
+                if (heat_rate > 9999) { heat_rate = 9999; }
+                if (heat_rate < -9999) { heat_rate = -9999; }
+                $('#heat_rate').html(heat_rate);
                 $('#heat').html('<div class="bar" style="height:'+x.pidstats.out*70+'%;"></div>')
                 if (x.cool > 0.5) { $('#cool').addClass("ds-led-cool-active"); } else { $('#cool').removeClass("ds-led-cool-active"); }
                 if (x.air > 0.5) { $('#air').addClass("ds-led-air-active"); } else { $('#air').removeClass("ds-led-air-active"); }
@@ -608,6 +612,7 @@ $(document).ready(function()
 
             $('#act_temp_scale').html('º'+temp_scale_display);
             $('#target_temp_scale').html('º'+temp_scale_display);
+            $('#heat_rate_temp_scale').html('º'+temp_scale_display);
 
             switch(time_scale_profile){
                 case "s":
diff --git a/public/index.html b/public/index.html
index b37b682..cc72819 100644
--- a/public/index.html
+++ b/public/index.html
@@ -29,6 +29,7 @@
    <div class="ds-title-panel">
     <div class="ds-title">Sensor Temp</div>
     <div class="ds-title">Target Temp</div>
+    <div class="ds-title">Heat Rate</div>
     <div class="ds-title">Cost</div>
     <div class="ds-title ds-state pull-right" style="border-left: 1px solid #ccc;">Status</div>
    </div>
@@ -36,6 +37,7 @@
    <div class="ds-panel">
     <div class="display ds-num"><span id="act_temp">25</span><span class="ds-unit" id="act_temp_scale" >&deg;C</span></div>
     <div class="display ds-num ds-target"><span id="target_temp">---</span><span class="ds-unit" id="target_temp_scale">&deg;C</span></div>
+    <div class="display ds-num ds-heat-rate"><span id="heat_rate">---</span><span class="ds-unit" id="heat_rate_temp_scale">&deg;C</span></div>
     <div class="display ds-num ds-cost"><span id="cost">0.00</span><span class="ds-unit" id="cost"></span></div>
     <div class="display ds-num ds-text" id="state"></div>
     <div class="display pull-right ds-state" style="padding-right:0"><span class="ds-led" id="heat">&#92;</span><span class="ds-led" id="cool">&#108;</span><span class="ds-led" id="air">&#91;</span><span class="ds-led" id="hazard">&#73;</span><span class="ds-led" id="door">&#9832;</span></div>