116 lines
4.2 KiB
Python
Executable file
116 lines
4.2 KiB
Python
Executable file
# The MIT License (MIT)
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#
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# Copyright (c) 2019 Melissa LeBlanc-Williams for Adafruit Industries
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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"""
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`adafruit_esp32spi_wifimanager`
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================================================================================
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WiFi Manager for making ESP32 SPI as WiFi much easier
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* Author(s): Melissa LeBlanc-Williams, ladyada
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"""
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# pylint: disable=no-name-in-module
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import neopixel
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import adafruit_esp32spi
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import adafruit_esp32spi.adafruit_esp32spi_requests as requests
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class ESPSPI_WiFiManager:
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"""
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A class to help manage the Wifi connection
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"""
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def __init__(self, esp, settings, status_neopixel=None):
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# Read the settings
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self._esp = esp
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self.debug = False
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self.ssid = settings['ssid']
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self.password = settings['password']
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requests.set_interface(self._esp)
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if status_neopixel:
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self.neopix = neopixel.NeoPixel(status_neopixel, 1, brightness=0.2)
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else:
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self.neopix = None
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self.neo_status(0)
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def connect(self):
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"""
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Attempt to connect to WiFi using the current settings
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"""
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if self.debug:
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if self._esp.status == adafruit_esp32spi.WL_IDLE_STATUS:
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print("ESP32 found and in idle mode")
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print("Firmware vers.", self._esp.firmware_version)
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print("MAC addr:", [hex(i) for i in self._esp.MAC_address])
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for access_pt in self._esp.scan_networks():
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print("\t%s\t\tRSSI: %d" % (str(access_pt['ssid'], 'utf-8'), access_pt['rssi']))
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while not self._esp.is_connected:
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try:
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if self.debug:
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print("Connecting to AP...")
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self.neo_status((100, 0, 0))
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self._esp.connect_AP(bytes(self.ssid, 'utf-8'), bytes(self.password, 'utf-8'))
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self.neo_status((0, 100, 0))
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except (ValueError, RuntimeError) as error:
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if self.debug:
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print("Failed to connect, retrying\n", error)
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continue
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def get(self, url, **kw):
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"""
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Pass the Get request to requests and update Status NeoPixel
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"""
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if not self._esp.is_connected:
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self.connect()
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self.neo_status((100, 100, 0))
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return_val = requests.get(url, **kw)
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self.neo_status(0)
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return return_val
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def post(self, url, **kw):
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"""
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Pass the Post request to requests and update Status NeoPixel
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"""
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if not self._esp.is_connected:
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self.connect()
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self.neo_status((100, 100, 0))
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return_val = requests.post(url, **kw)
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self.neo_status(0)
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return return_val
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def ping(self, host, ttl=250):
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"""
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Pass the Ping request to the ESP32, update Status NeoPixel, return response time
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"""
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if not self._esp.is_connected:
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self.connect()
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self.neo_status((100, 100, 0))
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response_time = self._esp.ping(host, ttl=ttl)
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self.neo_status(0)
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return response_time
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def neo_status(self, value):
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"""
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Change Status NeoPixel if it was defined
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"""
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if self.neopix:
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self.neopix.fill(value)
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