Paradiseの何でも工作室

keys = {
    69: "NL",  # Num Lock
    79: "1",
    80: "2",
    81: "3",
    75: "4",
    76: "5",
    77: "6",
    71: "7",
    72: "8",
    73: "9",
    82: "0",
    83: ".",
    28: "ENTER",
    78: "+",
    74: "-",
    14: "BS",  # Back Space
    55: "*",
    98: "/",

    # non num lock keys:
    111: "_.",  # Del
    110: "_0",  # Ins
    107: "_1",  # End
    108: "_2",  # Down
    109: "_3",  # PgDn
    105: "_4",  # Left
    # notice the missing N5 - better to use num lock mode
    106: "_6",  # Right
    102: "_7",  # Home
    103: "_8",  # Up
    104: "_9",  # PgUp
}

#coding: utf-8
import pygame
from evdev import InputDevice
from select import select
from keymap import keys

pygame.init()

DEVICE = "/dev/input/by-id/usb-_USB_Keyboard-event-kbd" 
#使用するキーボードのDEVICE名を記入

dev = InputDevice(DEVICE)

while True:   
    # wait for keypad command
    r, w, x = select([dev], [], [])
    
    for event in dev.read(): 
        if event.type==1 and event.value==1: 
            if event.code in keys:
                #print("KEY CODE: ", event.code) # print前の#を外すと押したキーのコードが見れます。
                if(event.code == 79):#1
                    key1 = pygame.mixer.Sound("wav_dat/piano1_1do.wav")
                    key1.play()    
                if(event.code == 80):#2
                    key2 = pygame.mixer.Sound("wav_dat/piano1_2re.wav")
                    key2.play()
                if(event.code == 81):#3
                    key3 = pygame.mixer.Sound("wav_dat/piano1_3mi.wav")  
                    key3.play()
                if(event.code == 75):#4
                    key4 = pygame.mixer.Sound("wav_dat/piano1_4fa.wav")
                    key4.play()
                if(event.code == 76):#5
                    key5 = pygame.mixer.Sound("wav_dat/piano1_5so.wav")
                    key5.play()
                if(event.code == 77):#6 
                    key6 = pygame.mixer.Sound("wav_dat/piano1_6ra.wav")
                    key6.play()
                if(event.code == 71):#7
                    key7 = pygame.mixer.Sound("wav_dat/piano1_7si.wav")
                    key7.play()
                if(event.code == 72):#8
                    key8 = pygame.mixer.Sound("wav_dat/piano1_8do.wav")
                    key8.play() 

#!/usr/bin/env python
import smbus
import sys
import time
import pygame

pygame.init()
class MyKeyboard:

  KeyPadTable= [['D','C','B','A'],
                ['#','9','6','3'],
                ['0','8','5','2'],
                ['*','7','4','1']]
  
  RowID=[0,0,0,0,0,0,0,4,0,0,0,3,0,2,1,0]

  CurrentKey=None

  def __init__(self,I2CBus=1, I2CAddress=0x20): #使用するI2Cモジュールのアゾレスを記入。
    self.I2CAddress = I2CAddress
    self.I2CBus = I2CBus
    #open smbus pcf8574
    self.bus = smbus.SMBus(self.I2CBus)
    #set pcf to input
    self.bus.write_byte(self.I2CAddress,0xff)

  def ReadRawKey(self):
    #set P4 Low First
    OutPin= 0x10
    for Column in range(4):
      #scan first row to see if we have something
      self.bus.write_byte(self.I2CAddress,~OutPin)
      #read the key now 
      key = self.RowID[self.bus.read_byte(self.I2CAddress) & 0x0f]
      if key >0 :
        return self.KeyPadTable[key-1][Column]
      OutPin = OutPin * 2
    return None

  #ReadKey return current key once and debounce it
  def ReadKey(self):
   LastKey= self.CurrentKey;
   while True:
    NewKey= self.ReadRawKey()
    if  NewKey != LastKey:
      time.sleep(0.01)
      LastKey= NewKey
    else:
      break
   #if LastValue is the same than CurrentValue
   #just return None
   if LastKey==self.CurrentKey:
     return None
   #ok put Lastvalue to be CurrentValue
   self.CurrentKey=LastKey
   return self.CurrentKey
 
if __name__ == "__main__":
    mkb = MyKeyboard()
    while True:
      kdat = mkb.ReadKey()
      if kdat != None:
        #sys.stdout.write(kdat)
        #print(kdat) # #を外すと入力したキーがShellで確認できます。
        sys.stdout.flush()
        if (kdat == '1'):#1
            key1 = pygame.mixer.Sound("wav_dat/piano1_1do.wav")
            key1.play()    
        if (kdat == '2'):#2
            key2 = pygame.mixer.Sound("wav_dat/piano1_2re.wav")
            key2.play()
        if (kdat == '3'):#3
            key3 = pygame.mixer.Sound("wav_dat/piano1_3mi.wav")  
            key3.play()
        if (kdat == '4'):#A
            key4 = pygame.mixer.Sound("wav_dat/piano1_4fa.wav")
            key4.play()
        if (kdat == '5'):#4
            key5 = pygame.mixer.Sound("wav_dat/piano1_5so.wav")
            key5.play()
        if (kdat == '6'):#5 
            key6 = pygame.mixer.Sound("wav_dat/piano1_6ra.wav")
            key6.play()
        if (kdat == '7'):#6
            key7 = pygame.mixer.Sound("wav_dat/piano1_7si.wav")
            key7.play()
        if (kdat == '8'):#B
            key8 = pygame.mixer.Sound("wav_dat/piano1_8do.wav")
            key8.play()
      else:
        time.sleep(0.001)

GPIO.cleanup()