arendst · s-hadinger · Jan 8, 2024 · Jan 8, 2024
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -15,6 +15,7 @@ All notable changes to this project will be documented in this file.
 - Berry GPIO viewer initial version using async webserver (#20416)
 - Berry add `string` to `bytes()` (#20420)
 - Berry button to dynamically load GPIO Viewer with Berry backend (#20424)
+- Berry `debug_panel.tapp` to display real-time heap and wifi rssi
 
 ### Breaking Changed
 

diff --git a/tasmota/berry/gpio_viewer/autoexec.be b/tasmota/berry/gpio_viewer/autoexec.be
@@ -0,0 +1,18 @@
+# demo for debug panel
+#
+# rm debug_panel.tapp; zip -j -0 debug_panel.tapp webserver_async.be debug_panel.be autoexec.be
+import webserver_async
+import debug_panel
+
+if tasmota.version() >= 0xD030002
+  if !tasmota.wifi()['up']
+    tasmota.add_rule("Wifi#Connected", def ()
+      global._debug_panel = debug_panel(5550)
+      tasmota.remove_rule("Wifi#Connected", "debug_panel_start")
+    end, "debug_panel_start")
+  else
+    global._debug_panel = debug_panel(5550)
+  end
+else
+  log("BRY: 'debug_panel' requires Tasmota v13.3.0.2")
+end
diff --git a/tasmota/berry/gpio_viewer/debug_panel.be b/tasmota/berry/gpio_viewer/debug_panel.be
@@ -0,0 +1,179 @@
+#
+# debug_panel.be - implements a small panel on top of the Tasmota UI to view real-time information
+#
+# Copyright (C) 2023  Stephan Hadinger & Theo Arends
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+class debug_panel
+  var port
+  var web
+  var sampling_interval
+  #
+  var payload1, payload2               # temporary object bytes() to avoid reallocation
+
+  static var SAMPLING = 100
+  static var HTML_HEAD1 = 
+    "<!DOCTYPE HTML><html><head>"
+  static var HTML_URL_F = 
+    "<script>"
+    "var event_url='http://%s:%i/info_feed';"
+    "</script>"
+  static var HTML_HEAD2 = 
+    "<script>"
+    "var source = new EventSource(event_url);"
+
+    'function initEventSource() {'
+      'source.addEventListener('
+        '"free_heap",'
+        'function (e) {'
+          'var freeHeap = document.getElementById("freeheap");'
+          'if (freeHeap) {'
+            'freeHeap.innerHTML = e.data;'
+          '}'
+        '},'
+        'false'
+      ');'
+      'source.addEventListener('
+        '"wifi_rssi",'
+        'function (e) {'
+          'var wifirssi = document.getElementById("wifirssi");'
+          'if (wifirssi) {'
+            'wifirssi.innerHTML = e.data;'
+          '}'
+        '},'
+        'false'
+      ');'
+    '};'
+    'window.addEventListener("load", initEventSource);'
+    "</script>"
+    "</head>"
+    "<body><style> body{ font-family: verdana,sans-serif; color: #aaa; font-size: 11px; margin:0px;}</style>"
+  static var HTML_CONTENT =
+    '<table style="width:100%;" border="0";margin:0px;><tr>'
+    '<td width="110">Free Heap <span id="freeheap">--- KB</span></td>'
+    '<td width="90">Wifi RSSI <span id="wifirssi">--%</span></td><td></td>'
+    '</tr></table>'
+  static var HTML_END =
+    "</body></html>"
+
+  def init(port)
+    self.port = port
+    self.web = webserver_async(port)
+    self.sampling_interval = self.SAMPLING
+    self.payload1 = bytes(100)              # reserve 100 bytes by default
+    self.payload2 = bytes(100)              # reserve 100 bytes by default
+
+    self.web.set_chunked(true)
+    self.web.set_cors(true)
+    self.web.on("/info_feed", self, self.send_info_feed)
+    self.web.on("/info", self, self.send_info_page)
+
+    tasmota.add_driver(self)
+  end
+
+  def close()
+    tasmota.remove_driver(self)
+    self.web.close()
+  end
+
+  def send_info_page(cnx, uri, verb)
+    import string
+
+    var host = cnx.header_host
+    var host_split = string.split(host, ':')      # need to make it stronger
+    var ip = host_split[0]
+    var port = 80
+    if size(host_split) > 1
+      port = int(host_split[1])
+    end
+
+    cnx.send(200, "text/html")
+    cnx.write(self.HTML_HEAD1)
+    cnx.write(format(self.HTML_URL_F, ip, port))
+    cnx.write(self.HTML_HEAD2)
+    cnx.write(self.HTML_CONTENT)
+    cnx.write(self.HTML_END)
+
+    cnx.content_stop()
+  end
+
+  def send_info_feed(cnx, uri, verb)
+    cnx.set_chunked(false)     # no chunking since we use EventSource
+    cnx.send(200, "text/event-stream")
+    self.send_info_tick(cnx)
+  end
+
+  def send_info_tick(cnx)
+    if cnx.buf_out_empty()
+      # if out buffer is not empty, do not send any new information
+      var payload
+      # send free heap
+      payload = f"id:{tasmota.millis()}\r\n"
+                "event:free_heap\r\n"
+                "data:{tasmota.memory().find('heap_free', 0)} KB\r\n\r\n"
+      cnx.write(payload)
+
+      # send wifi rssi
+      payload = f"id:{tasmota.millis()}\r\n"
+                "event:wifi_rssi\r\n"
+                "data:{tasmota.wifi().find('quality', '--')}%\r\n\r\n"
+      cnx.write(payload)
+    end
+
+    tasmota.set_timer(self.sampling_interval, def () self.send_info_tick(cnx) end)
+  end
+
+  # Add button 'GPIO Viewer' redirects to '/part_wiz?'
+  def web_add_console_button()
+    self.send_iframe_code()
+  end
+  def web_add_main_button()
+    self.send_iframe_code()
+  end
+  def web_add_management_button()
+    self.send_iframe_code()
+  end
+  def web_add_config_button()
+    self.send_iframe_code()
+  end
+
+  def send_iframe_code()
+    import webserver
+    var ip = tasmota.wifi().find('ip')
+    if (ip == nil)
+      ip = tasmota.eth().find('ip')
+    end
+    if (ip != nil)
+      webserver.content_send(
+        f'<div style="left: 0px; border: 0px none; background-color: #252525; height: 28px; position: fixed; width: 340px; overflow: hidden; padding: 0px 0px; top: 0px; left: 50%; transform: translateX(-50%);">'
+         '<iframe src="http://{ip}:{self.port}/info" scrolling="no" '
+         'style="color:#eaeaea; border:0px none;height:20px;width:340px;margin:0px 8px 0px 8px;padding:0px 0px;">'
+         '</iframe>'
+         '<hr style="margin:0px;">'
+         '</div>')
+        # f"<form style='display: block;' action='http://{ip}:{self.port}/' method='post' target='_blank'><button>GPIO Viewer</button></form><p></p>")
+    end
+  end
+
+end
+
+return debug_panel
+
+# if tasmota
+#   global.debug_panel = Debug_panel(8887)
+# end
+
+# return global.debug_panel
diff --git a/tasmota/berry/gpio_viewer/debug_panel.tapp b/tasmota/berry/gpio_viewer/debug_panel.tapp
diff --git a/tasmota/berry/gpio_viewer/webserver_async.be b/tasmota/berry/gpio_viewer/webserver_async.be
@@ -198,7 +198,7 @@ class Webserver_async_cnx
   # pre: self.buf_in is not empty
   # post: self.buf_in has made progress (smaller or '')
   def parse()
-    tasmota.log(f"WEB: incoming {bytes().fromstring(self.buf_in).tohex()}", 3)
+    # tasmota.log(f"WEB: incoming {bytes().fromstring(self.buf_in).tohex()}", 3)
     if self.phase == 0
       self.parse_http_req_line()
     elif self.phase == 1
@@ -274,7 +274,7 @@ class Webserver_async_cnx
   #
   # Received header
   def event_http_header(header_key, header_value)
-    tasmota.log(f"WEB: header key '{header_key}' = '{header_value}'")
+    # tasmota.log(f"WEB: header key '{header_key}' = '{header_value}'")
 
     if (header_key == "Host")
       self.header_host = header_value
@@ -291,7 +291,7 @@ class Webserver_async_cnx
   #############################################################
   # parse incoming payload (if any)
   def parse_http_payload()
-    tasmota.log(f"WEB: parsing payload '{bytes().fromstring(self.buf_in).tohex()}'")
+    # tasmota.log(f"WEB: parsing payload '{bytes().fromstring(self.buf_in).tohex()}'")
     # dispatch request before parsing payload
     self.server.dispatch(self, self.req_uri, self.req_verb)
   end
@@ -538,7 +538,7 @@ class webserver_async
 
 end
 
-#return webserver_async
+return webserver_async
 
 #- Test