# bi directional midi example for Adafruit MIDI Featherwing on M4 Express. 
import board
import busio
import time


#midiuart = busio.UART(board.SDA, board.SCL, baudrate=31250)
midiuart = busio.UART(board.TX, board.RX, baudrate=31250, timeout=0)
print("MIDI UART EXAMPLE")

toggleState = "off"

lastTickTime = time.time()

while True:
 
    data = midiuart.read(1)  # read up to 32 bytes
    if data is not None:
        print("incoming"+str(data))

    currentTime = time.time()
    elapsedTickTime = currentTime - lastTickTime
    if (elapsedTickTime > 1.0):
        print("tick",str(currentTime))
        lastTickTime = currentTime
        if (toggleState == "off"):
            toggleState = "on"
            midiuart.write(bytes([0x90, 0x3C, 0x40]))
        else:
            toggleState = "off"
            midiuart.write(bytes([0x80, 0x3C, 0x40]))