Created
July 6, 2020 18:12
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Send ardunio voltage sensor to Stathat
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import RPi.GPIO as gpio | |
import smbus | |
import time | |
import sys | |
import struct | |
from datetime import datetime | |
from stathat import StatHat | |
stathat = StatHat() | |
bus = smbus.SMBus(1) | |
address = 0x04 | |
def main(): | |
print(str(datetime.now()) + " Starting up...") | |
status = False | |
runTimes = 1 | |
while runTimes > 0: | |
status = not status | |
bus.write_byte(address, 1 if status else 0) | |
time.sleep(3) | |
arduinoData = (bus.read_i2c_block_data(address, 0, 32)) # read 32 chars | |
teensyData = ("".join(map(chr, arduinoData))) | |
voltsStart = teensyData.find("Volts:",0) | |
voltsEnd = teensyData.find(":",voltsStart) + 1 | |
voltsDataEnd = teensyData.find("|",voltsStart+6) | |
voltsVal = teensyData[voltsEnd:voltsDataEnd] | |
print(str(datetime.now()) + " " + "Volts: " + voltsVal) | |
analogStart = teensyData.find("RawAnalog:",0) | |
analogEnd = teensyData.find(":",analogStart) + 1 | |
analogDataEnd = teensyData.find("|",analogStart+10) | |
analogVal = teensyData[analogEnd:analogDataEnd] | |
print(str(datetime.now()) + " " + "RawAnalog: " + analogVal) | |
print("Sending to stathat: " + voltsVal) | |
stathat.ez_post_value('[email protected]', 'rv.volts', voltsVal) | |
time.sleep(60) | |
runTimes = (runTimes - 1) | |
if __name__ == '__main__': | |
try: | |
main() | |
except KeyboardInterrupt: | |
print('Interrupted') | |
gpio.cleanup() | |
sys.exit(0) |
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