""" Quick PoC of a Class using (software)Timers """
import machine, time
from machine import Timer, Pin
import micropython

# see: https://docs.micropython.org/en/latest/library/micropython.html#micropython.alloc_emergency_exception_buf
micropython.alloc_emergency_exception_buf(512)

led = Pin(25, Pin.OUT)

def cb_function(t):
    print(f"callback Function\n{t}")

class App():
    def __init__(self):
        self.pulse_1 = machine.Timer(-1)
        self.pulse_2 = machine.Timer(-1)

    def start(self):
        # specify the callbacks function objects themselved, so without the ()
        self.pulse_1.init(mode=Timer.PERIODIC, period=200, callback=self.cb_method)
        self.pulse_2.init(mode=Timer.PERIODIC, period=1000, callback=cb_function)

    def cb_method(self, t):
        #  print(f"Callback Method")
        led.toggle()

app = App()
app.start()

# and/or call classmethod callback from outside the class
if False:
    t2 = machine.Timer(-1)
    t2.init(period=333, callback=app.cb_method)