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add SH3 key scanner

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Chiharu Shirasaka
2021-01-04 19:29:47 +09:00
parent e501a574a9
commit e7d67d4e8d
2 changed files with 182 additions and 1 deletions
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2
README.md
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@@ -3,7 +3,7 @@
<img src="/the_rookie.jpg">
- [read_keys.py](read_keys.py) Initialize the keyboard MCU and poll key code
- [read_keys_SH3.py](read_keys_SH3.py) Scan key matrix and return key name
### License

181
read_keys_SH3.py Normal file
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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()