Update read_keys impl

This commit is contained in:
Takumi Sueda 2021-01-03 17:02:49 +09:00
parent f7c9a96021
commit e501a574a9

View File

@ -10,19 +10,16 @@ addr = 0x28
def read(reg):
v = i2c.read_byte_data(addr, reg)
print(f"Read b {reg:#04x} = {v:#04x}")
return v
def readw(reg):
v = i2c.read_word_data(addr, reg)
#print(f"Read w {reg:#04x} = {v:#06x}")
return v & 0x00ff, (v & 0xff00) >> 8
def write(reg, v):
i2c.write_byte_data(addr, reg, v)
print(f"Write b {reg:#04x} = {v:#06x}")
def setup():
@ -51,6 +48,51 @@ def setup():
write(0x82, 0x03)
def setup_simple():
"""Simplified sequence without redundant calls"""
print('Waiting the MCU to get ready')
st = read(0x00)
while st & 0x40 != 0:
print('.', end='')
st = read(0x00)
time.sleep(0.1)
working = read(0x0a) & 0x01 > 0
if working:
print('MCU is working')
else:
print('MCU is suspended')
event = read(0x01) & 0x20 > 0
if event:
print('Event is enabled')
else:
print('Event is disabled')
v = read(0x40)
print(f'Reg (R) 0x40 -> {v:#04x}')
read(0x41)
print(f'Reg (R) 0x41 -> {v:#04x}')
read(0x48)
print(f'Reg (R) 0x48 -> {v:#04x}')
write(0x88, 0x08)
print('Reg (W) 0x88 = 0x08')
write(0x82, 0x05)
print('Reg (W) 0x82 = 0x05')
write(0x82, 0x02)
print('Reg (W) 0x82 = 0x02')
write(0x82, 0x03)
print('Reg (W) 0x82 = 0x03')
def read_keys():
keys = []
n, key = readw(0x04)
@ -59,12 +101,10 @@ def read_keys():
keys.append(key)
additional = n // 2
for i in range(additional):
if n >= 1:
k1, k2 = readw(0x04)
keys.append(k1)
if i == additional-1 and n % 2 == 1:
keys.append(k2)
keys = keys + [k1, k2]
keys = keys[:n]
print(f"N = {n:#04x}")
@ -72,7 +112,7 @@ def read_keys():
print(f"Keys = {', '.join(keys)}")
setup()
setup_simple()
while True:
time.sleep(0.1)
read_keys()