Tasmota/tasmota/berry/gpio_viewer/debug_panel.be

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#
# 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
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.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
static class feeder
var cnx # connection object
def init(cnx)
self.cnx = cnx
tasmota.add_driver(self)
end
def close()
tasmota.remove_driver(self)
end
def every_100ms()
self.send_feed()
end
def send_feed()
var cnx = self.cnx
if !cnx.connected()
self.close()
return
end
var payload1 = self.cnx.server.payload1
var payload2 = self.cnx.server.payload2
var server = self.cnx.server
if cnx.buf_out_empty()
# if out buffer is not empty, do not send any new information
# var payload
# send free heap
payload1.clear()
payload1 .. "id:"
server.bytes_format_int(payload2, tasmota.millis())
payload1 .. payload2
payload1 .. "\r\nevent:free_heap\r\ndata:"
server.bytes_format_int(payload2, tasmota.memory('heap_free'), '---')
payload1 .. payload2
payload1 .. " KB\r\n\r\n"
# 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(payload1)
# send wifi rssi
payload1.clear()
payload1 .. "id:"
server.bytes_format_int(payload2, tasmota.millis())
payload1 .. payload2
payload1 .. "\r\nevent:wifi_rssi\r\ndata:"
server.bytes_format_int(payload2, tasmota.wifi('quality'), '--')
payload1 .. payload2
payload1 .. "%\r\n\r\n"
# payload = f"id:{tasmota.millis()}\r\n"
# "event:wifi_rssi\r\n"
# "data:{tasmota.wifi().find('quality', '--')}%\r\n\r\n"
cnx.write(payload1)
end
end
end
def send_info_feed(cnx, uri, verb)
cnx.set_chunked(false) # no chunking since we use EventSource
cnx.send(200, "text/event-stream")
#
var feed = feeder(cnx)
feed.send_feed() # send first values immediately
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