import gpio #https://github.com/vitiral/gpio
import time

def setup():
	#Bank2 Pin16~PIN21
	gpio.setup(80,gpio.OUT)
	gpio.setup(81,gpio.OUT)
	gpio.setup(82,gpio.OUT)
	gpio.setup(83,gpio.OUT)
	gpio.setup(84,gpio.OUT)
	gpio.setup(85,gpio.OUT)
	#Bank4 Pin0~7
	gpio.setup(128,gpio.IN)
	gpio.setup(129,gpio.IN)
	gpio.setup(130,gpio.IN)
	gpio.setup(131,gpio.IN)
	gpio.setup(132,gpio.IN)
	gpio.setup(133,gpio.IN)
	gpio.setup(134,gpio.IN)
	gpio.setup(135,gpio.IN)
	#Bank4 Pin8
	gpio.setup(136,gpio.OUT)

def keyread():
	keys = []
	for writeport in range(80,87):
		if writeport == 86:
			writeport=136
		gpio.set(writeport,1)
		time.sleep(0.002)
		key = 0
		for readport in range(135,127,-1):
			key = (key << 1) + gpio.read(readport)
		key=~((key ^ (key >> 1)) & 0x1f ^ (key >> 1)) & 0x7f
		keys.append(key)
		gpio.set(writeport,0)
	verify_keys = []
	for writeport in range(80,87):
		if writeport == 86:
			writeport=136
		gpio.set(writeport,1)
		time.sleep(0.001)
		key = 0
		for readport in range(135,127,-1):
			key = (key << 1) + gpio.read(readport)
		key=~((key ^ (key >> 1)) & 0x1f ^ (key >> 1)) & 0x7f
		verify_keys.append(key)
		gpio.set(writeport,0)
	if not keys == verify_keys:
		return
	temp = 0
	for key in keys:
		temp = temp | key
	if temp & 0x1:
		for i,key in enumerate(keys):
			if key & 0x1 == 0:
				if i==0:
					print("英和和英",end=" ")
				if i==1:
					print("調べる",end=" ")
				if i==2:
					print("国語漢字",end=" ")
				if i==3:
					print("My辞書",end=" ")
				if i==4:
					print("履歴/しおり",end=" ")
				if i==5:
					print("マーカーテスト",end=" ")
				if i==6:
					print("HOME",end=" ")
	if temp & 0x2:
		for i,key in enumerate(keys):
			if key & 0x2 == 0:
				if i==0:
					print("Q",end=" ")
				if i==1:
					print("W",end=" ")
				if i==2:
					print("E",end=" ")
				if i==3:
					print("T",end=" ")
				if i==4:
					print("Y",end=" ")
				if i==5:
					print("U",end=" ")
				if i==6:
					print("I",end=" ")
	if temp & 0x4:
		for i,key in enumerate(keys):
			if key & 0x4 == 0:
				if i==0:
					print("A",end=" ")
				if i==1:
					print("S",end=" ")
				if i==2:
					print("D",end=" ")
				if i==3:
					print("G",end=" ")
				if i==4:
					print("H",end=" ")
				if i==5:
					print("O",end=" ")
				if i==6:
					print("P",end=" ")
	if temp & 0x8:
		for i,key in enumerate(keys):
			if key & 0x8 == 0:
				if i==0:
					print("Z",end=" ")
				if i==1:
					print("X",end=" ")
				if i==2:
					print("C",end=" ")
				if i==3:
					print("B",end=" ")
				if i==4:
					print("J",end=" ")
				if i==5:
					print("K",end=" ")
				if i==6:
					print("L",end=" ")
	if temp & 0x10:
		for i,key in enumerate(keys):
			if key & 0x10 == 0:
				if i==0:
					print("Shift",end=" ")
				if i==1:
					print("R",end=" ")
				if i==2:
					print("F",end=" ")
				if i==3:
					print("記号",end=" ")
				if i==4:
					print("N",end=" ")
				if i==5:
					print("M",end=" ")
				if i==6:
					print("-",end=" ")
	if temp & 0x20:
		for i,key in enumerate(keys):
			if key & 0x20 == 0:
				if i==0:
					print("V",end=" ")
				if i==1:
					print("PageUp",end=" ")
				if i==2:
					print("Space",end=" ")
				if i==3:
					print("Left",end=" ")
				if i==4:
					print("Up",end=" ")
				if i==5:
					print("Down",end=" ")
				if i==6:
					print("Right",end=" ")
	if temp & 0x40:
		for i,key in enumerate(keys):
			if key & 0x40 == 0:
				if i==0:
					print("文字切替",end=" ")
				if i==1:
					print("PageDown",end=" ")
				if i==2:
					print("ツール",end=" ")
				if i==3:
					print("Esc",end=" ")
				if i==4:
					print("Enter",end=" ")
				if i==5:
					print("?",end=" ")
				if i==6:
					print("BackSpace",end=" ")
	keys = [f"{key:#04x}" for key in keys]

	if not temp==0:
		print(f"\nKeys = {', '.join(keys)}")

setup()
while True:
	time.sleep(0.001)
	keyread()