spielkonsole-baseloader/main.py

import max7219
from machine import Pin, SPI, ADC, PWM
from machine import I2C
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
import time
import os
import utime

#init buzzer

#read notes
tonefile = open("tones.txt", 'r')
tones = tonefile.read()
tones = eval(tones)
tonefile.close()

buzzer = PWM(Pin(15))
buzzer.duty_u16(0)
def tone(freq, duration):
  buzzer.freq(freq)
  buzzer.duty_u16(1000)
  time.sleep(duration)
  buzzer.duty_u16(0)

def playsong(song):
  for i in song:
    note = i.split(":")[0]
    duration = i.split(":")[1]
    tone(tones[note], float(duration))

introsong = ['DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'E4:0.01', 'E4:0.01', 'E4:0.01', 'E4:0.01', 'E4:0.01', 'E4:0.01', 'E4:0.01', 'E4:0.01', 'E4:0.01', 'FS4:0.01', 'FS4:0.01', 'FS4:0.01', 'FS4:0.01', 'FS4:0.01', 'FS4:0.01', 'FS4:0.01', 'FS4:0.01', 'FS4:0.01', 'G4:0.01', 'G4:0.01', 'G4:0.01', 'G4:0.01', 'G4:0.01', 'G4:0.01', 'G4:0.01', 'G4:0.01', 'G4:0.01', 'GS4:0.01', 'GS4:0.01', 'GS4:0.01', 'GS4:0.01', 'GS4:0.01', 'GS4:0.01', 'GS4:0.01', 'GS4:0.01', 'GS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01', 'DS4:0.01']

playsong(introsong)

# init game display
spi = SPI(0, baudrate=10000000, polarity=1, phase=0, sck=Pin(2), mosi=Pin(3))
display = max7219.Matrix8x8(spi, Pin(5), 2)
display.show()

# init text display
I2C_ADDR     = 0x27
I2C_NUM_ROWS = 2
I2C_NUM_COLS = 16
i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)
lcd.clear()
lcd.putstr("booting...")
time.sleep(1)
lcd.clear()
lcd.putstr("dot matrix...OK")
time.sleep(0.1)
lcd.clear()
lcd.putstr("buzzer...OK")
time.sleep(0.1)
lcd.clear()
lcd.putstr("LCD display...OK")

#init joystick
time.sleep(0.1)
lcd.clear()
lcd.putstr("joystick...")
class joystickc():
  def __init__(self):
    self.__vertpin = ADC(28)
    self.__horzpin = ADC(27)
    self.__selpin = Pin(8, Pin.IN, Pin.PULL_UP)

  def getvertical(self):
    temp = self.__vertpin.read_u16()
    temp = temp * (3.3 / 65535)
    if temp > 2:
      return 1
    elif temp < 1:
      return -1
    else:
      return 0

  def gethorizontal(self):
    temp = self.__horzpin.read_u16()
    temp = temp * (3.3 / 65535)
    if temp > 2:
      return 1
    elif temp < 1:
      return -1
    else:
      return 0
    
  def getsel(self):
    while True:
      temp = self.__selpin.value()
      print(temp)
    if temp == 1:
      return True
    elif temp == 0:
      return False
    else:
      print("joystick error.")

joystick = joystickc()

lcd.clear()
lcd.putstr("joystick...OK")

#init action buttons
time.sleep(0.1)
lcd.clear()
lcd.putstr("action buttons...")

class actionbuttonsc():
  def __init__(self):
    self.button1 = False
    self.button2 = False

    self.__action1butt = Pin(6, Pin.IN, Pin.PULL_DOWN)
    self.__action2butt = Pin(7, Pin.IN, Pin.PULL_DOWN)

    self.__action1butt.irq(trigger=Pin.IRQ_RISING, handler=self.button1on)
    self.__action1butt.irq(trigger=Pin.IRQ_FALLING, handler=self.button1off)

    self.__action2butt.irq(trigger=Pin.IRQ_RISING, handler=self.button2on)
    self.__action2butt.irq(trigger=Pin.IRQ_FALLING, handler=self.button2off)

  def button1on(self):
    self.button1 = True

  def button1off(self):
    self.button1 = False

  def button2on(self):
    self.button2 = True

  def button2off(self):
    self.button2 = False

actionbuttons = actionbuttonsc()

lcd.clear()
lcd.putstr("action buttons...OK")

time.sleep(3)

def selectoption(title, options):
  selectedoption = 0
  while True:
    lcd.move_to(0, 0)
    lcd.clear()
    lcd.putstr(title)
    lcd.move_to(0, 1)
    lcd.putstr(options[selectedoption])
    while True:
      temp = joystick.gethorizontal()
      selected = joystick.getsel()
      if selected == True:
        break
      if temp == 1:
        if selectedoption != 0:
          selectedoption -= 1
        else:
          selectedoption = len(options)-1
        time.sleep(0.1)
        break
      elif temp == -1:
        if selectedoption != len(options)-1:
          selectedoption += 1
        else:
          selectedoption = 0
        time.sleep(0.1)
        break
    if selected == True:
      break
  lcd.move_to(0, 0)
  lcd.clear()
  return selectedoption

option = selectoption("select mode", ["test mode.", "game mode."])
if option == 1:
  while True:
    lcd.clear()
    lcd.move_to(0, 0)
    lcd.putstr("horz: "+str(joystick.gethorizontal()))
    lcd.move_to(0, 1)
    lcd.putstr("vert: "+str(joystick.getvertical()))

lcd.clear()
lcd.putstr("loading games...")

games = {}
for i in os.listdir("games"):
  path = "games/"+i
  lcd.clear()
  lcd.putstr(i)
  codefile = open(path+"main.py", 'r')
  code = codefile.read()
  codefile.close()
  games[i] = code

lcd.clear()
lcd.putstr("<-   spiele   ->")

buzzer.duty_u16(0)