152 lines
3.9 KiB
Python
152 lines
3.9 KiB
Python
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# morse code analyser
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from PicoAirQuality import KitronikBME688, KitronikButton, KitronikDataLogger, \
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KitronikOLED, KitronikRTC, KitronikZIPLEDs,\
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KitronikBuzzer
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import time
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#from datetime import datetime
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logFileName = "atmosphere_log.txt"
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mindex=0
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morse = []
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bme688 = KitronikBME688()
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oled = KitronikOLED()
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rtc = KitronikRTC()
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zipleds = KitronikZIPLEDs(3)
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# Python u arse hole sec = Integer()
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rtc.setDate(16, 7, 2022)
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rtc.setTime(12, 10, 0)
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bme688.setupGasSensor()
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bme688.calcBaselines()
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sec = 0
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#f = open(logFileName, 'a')
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#f.write("# Data Logging: Date, Time, Temperature, Pressure, Humidity, AirQuality, CO2\n")
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beeper = KitronikBuzzer()
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buttons = KitronikButton()
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last_pv = 0
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last_tt = 0
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spurious = 0 # interrupts are often repeated for the low level
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# make this array size 20. A morse char of 5 dots|dashes
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# would take up 10 slots max.
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#
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class buttonEvent:
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#mstimestamp = 0
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#pinstate = 0
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def __init__(self, mststamp, pinst):
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buttonEvent.mstimestamp = mststamp
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buttonEvent.pinstate = pinst
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#def str(self):
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#return "mstimestamp:",str(mstimestamp), "pinst ",str(pinstate)
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#def ButtonB_r_IRQHandler(pin):
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# global buttonB
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# buttonB = 2*60
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# print("button B pressed", buttonB)
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def ButtonB_f_IRQHandler(pin):
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global last_pv, last_tt, spurious, mindex
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pv = pin.value()
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tt = time.ticks_ms()
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#print("button B IRQ", tt, pv)
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if last_pv == pv : # get get spurious 0 level ints
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#print("two ints @ same level in a row",pv) # ignore
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spurious += 1
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else:
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#b=buttonEvent(time.ticks_ms(),pv)
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d = tt - last_tt
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if pv:
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#print(" duration of inter-m space ", d)
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if d < 600:
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print (" ")
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else:
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print (" interval ")
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mindex += 1;
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beeper.playTone(600)
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else:
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#print(" duration of press ", d)
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if d > 300:
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morse.append("-");
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print ("DAH")
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else:
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morse.append(".");
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print ("DIT")
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beeper.stopTone()
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last_pv = pv
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last_tt = tt
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# FALLING DOES NOT WORK AND IRQ_LOW_LEVEL not recognised
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buttons.buttonB.irq(trigger=machine.Pin.IRQ_FALLING|machine.Pin.IRQ_RISING, handler=ButtonB_f_IRQHandler)
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#buttons.buttonB.irq(trigger=machine.Pin.IRQ_RISING, handler=ButtonB_r_IRQHandler)
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def decode_morse():
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global morse
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dm_a = [".","-"]
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dm_b = ["-",".",".","."]
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dm_c = ["-",".","-","."]
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dm_d = ["-",".","."]
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dm_e = ["."]
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dm_f = [".",".","-","."]
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dm_g = ["-","-","."]
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dm_h = [".",".",".","."]
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dm_i = [".","."]
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dm_j = [".","-","-","-"]
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dm_s = [".",".","."]
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dm_o = ["-","-","-"]
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#
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if morse == dm_a:
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print ("A")
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if morse == dm_b:
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print ("B")
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if morse == dm_c:
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print ("C")
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if morse == dm_d:
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print ("D")
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if morse == dm_e:
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print ("E")
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if morse == dm_f:
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print ("F")
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if morse == dm_g:
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print ("G")
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if morse == dm_h:
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print ("H")
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if morse == dm_i:
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print ("I")
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if morse == dm_j:
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print ("J")
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if morse == dm_s:
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print ("S")
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if morse == dm_o:
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print ("O")
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def process_morse():
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global last_tt, morse
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tt = time.ticks_ms()
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if (tt - last_tt) > 600:
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# morse chacter complete
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if (len(morse) > 0):
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print(morse)
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decode_morse()
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morse = []
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oled.clear()
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oled.displayText(rtc.readDateString(), 1, 25)
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oled.displayText(rtc.readTimeString(), 2, 33)
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#oled.displayText(str(mcount), 4, 33)
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oled.show()
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while True:
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# maybe a function can have a global ref, yeah maybe the main cont. another wanky aspect ogf pythion
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process_morse()
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##process_morse2()
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#time.sleep(1.0)
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