SkyWeather Libraries and Examples for Raspberry Pi Solar Powered Weather Station

Supports SwitchDoc Labs WeatherRack PiWeather Board

Changes

December 15, 2019: Version 055 - MySQL SolarMAX Fixes
November 27, 2019: Version 054 - Fixed reporting of SolarMAX inside temperature/humidity
November 26, 2019: Version 053 - Update Blynk with latest SolarMAX Packet Status
November 2, 2019: Version 052 - Fixed WeatherUnderground URL and Added more debug for LoRa WXLink
October 15, 2019: Version 051 - Added support for SolarMAX Lead Acid - Must update conflocal.py if used

@@ -42,6 +42,10 @@ runLEDs = False
 SolarMAX_Present = False
 Dual_MAX_WXLink = False

# SolarMAX_Type = "LEAD" for SolarMAX Lead Acid
# SolarMAX_Type = "LIPO" for SolarMAX LiPo
SolarMAX_Type = ""

October 14, 2019: Version 050 - Fixed Camera Detection on Buster
October 12, 2019: Version 049 - Fixed BlynkBug / AM2315 Bug
September 29, 2019: Version 048 - Fixed SolarMAX bug
September 1, 2019: Version 047 - Fixed to Camera Exposure, Minor tweak to WeatherSTEM Interface and SolarMAX (added Version)
August 19, 2019: Version 046 - Minor Bug release (matplotlib, SolarMAX, blynk)
August 14, 2019: Version 045 - Camera Debug Support - SolarMAX support - Must update conflocal.py
August 12, 2019: Version 044 - Camera Debug Support - Overexposure problem
August 8, 2019: Version 043 - Improved AM2315 Detection, SQL Structure Fixed, time and date changed, debug for overexposure
August 6, 2019: Version 042 - Overlays, Lightning Params added - Must update conflocal.py if used
July 27, 2019: Version 041 - Fix to SHT30 for > 122 degrees
July 8, 2019: Version 040 - WeatherUnderground Fix, Support for SHT30- Must update conflocal.py if used
June 5, 2019: Version 039 - AM2315 Reliablity Fix
May 21, 2019: Version 038 - Blynk Bug Fix
May 21, 2019: Version 037 - Blynk Changes / Bug Fix
May 20, 2019: Version 036 - Fixed Barometric Pressure Reporting
May 12, 2019: Version 035 - Debug Statements removed
May 4, 2019: Version 034 - WeatherSTEM testing Version
May 1, 2019: Version 033 - WeatherSTEM API Started
April 29, 2019: Version 033 - WeatherSTEM Modification
April 28, 2019: Version 032 - Improved MySQL Reporting
April 28, 2019: Version 031 - Fixed WXLink Temperature Reporting
April 27, 2019: Version 030 - Modified test programs
April 20, 2019: Version 029 - Fixed Lightning_Mode added Image test to blynkCode
April 6, 2019: Version 028 - Support for WXLink - remote WeatherRack/Temp/Humidity
April 3, 2019: Version 027 - Mod AS3935 Interrupt, added AQI to Database
March 31, 2019: Version 026 - Fixed Pins for Optional Fan On/Off

New SD card configuration

This software requires Python 2 and will not work with Python 3. Support for Python 2 has been dropped in most new Raspberry Pi SD card images. For easiest setup please use a Buster compatible image. The last lite image provided by Rasbian is:

https://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2021-05-28/2021-05-07-raspios-buster-armhf-lite.zip

Please check your Python version before continuing using:

python -V

Which should report "Python 2.7.x"

If you are creating a new SD card image then you must configure the raspberry pi for your locale and to enable sensor interfaces using raspi-config. Use [tab] key to navigate between UI elements, [space] to select options, and [enter] to select buttons.

 sudo raspi-config

Select Option 3 Interface Options -> P4 SPI -> Yes to enable SPI.
Select Option 3 Interface Options -> P5 I2C -> Yes to enable I2C.

If not in UK set locale to your country

Select Option 5 Localisation Options -> L1 Locale -> Use [down arrow] to find your desired language code e.g. en_US.UTF-8 (for USA) -> Select using [space] -> [OK] -> Select default locale to match previous selection e.g. en_US.UTF-8 -> [OK]
Select Option 5 Localisation Options -> L2 Timezone -> e.g. America -> Los Angeles -> [OK]
Select Option 5 Localisation Options -> L3 Keyboard -> e.g. Generic 105 key Intl -> Select appropriate keyboard layout. For US first select "Other" then "English (US) -> [OK] -> Use defaults [OK] -> No Compose Key [OK]

If using Wifi:

Select Option 1 system Options -> S1 Wireless -> Select country [ok] -> Enter your wifi SSID [ok] -> Enter your wifi password [ok].

Optional but recommended:

Enable SSH to allow for remote command line interface.

Select Option 3 Interface Options -> P2 SSH -> Yes to enable SSH.

Change hostname:

Select Option 1 system Options -> S4 Hostname -> Enter your desired name e.g. "skyweatherpi" [enter]

Change "pi" user password:

IMPORTANT: If you have changed the keyboard layout please exit out of "raspi-config" and reboot before changing password.

Select Option 1 system Options -> S3 Password -> Enter your desired password [enter]

New SD: Install core requirements

sudo apt-get update && sudo apt-get upgrade -y
sudo apt-get install -y build-essential python-smbus python-pip python-dev git libi2c-dev pigpio python-pigpio python-numpy python-matplotlib python-mpltoolkits.basemap python-picamera
sudo pip install --upgrade pip setuptools apscheduler requests

Install this next:

 cd ~
 git clone https://github.com/adafruit/Adafruit_Python_PureIO.git
 cd Adafruit_Python_PureIO
 sudo python setup.py install

New SD: Download SkyWeather

 cd ~
 git clone https://github.com/switchdoclabs/SDL_Pi_SkyWeather.git
 cd ~/SDL_Pi_SkyWeather/Adafruit_Python_BMP
 sudo python setup.py install
 cd ~/SDL_Pi_SkyWeather/Adafruit_Python_GPIO
 sudo python setup.py install
 cd ~/SDL_Pi_SkyWeather/Adafruit_Python_SSD1306
 sudo python setup.py install

New SD: Configuration settings

We recommend you copy config.py to conflocal.py to avoid updates copying over your configuration file.

 cd ~/SDL_Pi_SkyWeather
 cp config.py conflocal.py

Edit the setting:

 nano conflocal.py

New SD: Database configuration

If you plan on using the SQL database for data storage.

sudo apt-get update && sudo apt-get upgrade -y
sudo apt-get install mariadb-server python-mysqldb -y
sudo mysql_secure_installation
sudo mysql -u root -p < ~/SDL_Pi_SkyWeather/SkyWeatherSQLWeatherPiStructure.sql

More help installing sql server

Upgrading existing SD card

If you have an existing working SD card and wish to upgrade the SkyWeather code.

 cd ~/SDL_Pi_SkyWeather
 git pull

Existing SD: Updating conflocal.py

To merge new config.py variables into your conflocal.py version for compatibility run this command:

diff conflocal.py config.py

Check your new settings:

nano conflocal.py

Starting SkyWeather.py program

You start the program with two statements:

 sudo pigpiod
 sudo python SkyWeather.py

Auto start SkyWeather on Boot

Set up your rc.local for start on boot. Insert the following in your /etc/rc.local before the exit 0 statement:

 pigpiod
 cd /home/pi/SDL_Pi_SkyWeather
 nohup sudo python SkyWeather.py &

switch to BUS1 - for low loading ib Base Bus

if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS1)

as3935 = RPi_AS3935(address=0x02, bus=1)

#set values for lightning

format: [NoiseFloor, Indoor, TuneCap, DisturberDetection, WatchDogThreshold, SpikeDetection]

default: [2,1,7,0,3,3]

NoiseFloor = config.AS3935_Lightning_Config[0]
Indoor = config.AS3935_Lightning_Config[1]
TuneCap = config.AS3935_Lightning_Config[2]
DisturberDetection = config.AS3935_Lightning_Config[3]
WatchDogThreshold = config.AS3935_Lightning_Config[4]
SpikeDetection = config.AS3935_Lightning_Config[5]

try:

            print "as3935 start"

            as3935.set_noise_floor(NoiseFloor)
            as3935.set_indoors(Indoor)
            as3935.calibrate(tun_cap=TuneCap)
            as3935.set_mask_disturber(DisturberDetection)
            as3935.set_watchdog_threshold(WatchDogThreshold)
            as3935.set_spike_detection(SpikeDetection)


            config.AS3935_Present = True
            print "as3935 present at 0x02"
	#process_as3935_interrupt()
            if (config.TCA9545_I2CMux_Present):
     	    	tca9545.write_control_register(TCA9545_CONFIG_BUS1)

except IOError as e:
print "I/O error({0}): {1}".format(e.errno, e.strerror)

    	as3935 = RPi_AS3935(address=0x03, bus=1)

    	try:

                    as3935.set_noise_floor(NoiseFloor)
                    as3935.set_indoors(Indoor)
                    as3935.calibrate(tun_cap=TuneCap)
                    as3935.set_mask_disturber(DisturberDetection)
                    as3935.set_watchdog_threshold(WatchDogThreshold)
                    as3935.set_spike_detection(SpikeDetection)

            	config.AS3935_Present = True
            	#print "as3935 present"
    	except IOError as e:

           		print "I/O error({0}): {1}".format(e.errno, e.strerror)
            	config.AS3935_Present = False
            	# back to BUS0
            	if (config.TCA9545_I2CMux_Present):
    		 	tca9545.write_control_register(TCA9545_CONFIG_BUS0)

back to BUS0

if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
time.sleep(0.003`

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sdl_pi_skyweather's Introduction

Changes

New SD card configuration

New SD: Install core requirements

New SD: Download SkyWeather

New SD: Configuration settings

New SD: Database configuration

Upgrading existing SD card

Existing SD: Updating conflocal.py

Starting SkyWeather.py program

Auto start SkyWeather on Boot

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sdl_pi_skyweather's Issues

switch to BUS1 - for low loading ib Base Bus

format: [NoiseFloor, Indoor, TuneCap, DisturberDetection, WatchDogThreshold, SpikeDetection]

default: [2,1,7,0,3,3]

back to BUS0

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