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import ctypes
import mmap
class SharedMemoryData(ctypes.Structure):
_fields_ = [
("airIoStatus", ctypes.c_uint8 * 6),
("sliderIoStatus", ctypes.c_uint8 * 32),
("ledRgbData", ctypes.c_uint8 * 96),
("reserved", ctypes.c_uint8 * 4)
]
SHARED_MEMORY_NAME = "Local\\BROKENITHM_SHARED_BUFFER"
SHARED_MEMORY_SIZE = ctypes.sizeof(ctypes.c_uint8) * ctypes.sizeof(SharedMemoryData)
def open_sharedmem():
try:
shared_memory = mmap.mmap(-1, SHARED_MEMORY_SIZE,
tagname=SHARED_MEMORY_NAME,
access=mmap.ACCESS_DEFAULT)
return shared_memory
except Exception:
print("[Error] A Fatal Error occured while trying to write to the Shared Memory while initializing")
return None
def write_to_airzone(air_zone_state: list, shared_memory: mmap.mmap):
if len(air_zone_state) != 6 and all(isinstance(state, bool) for state in air_zone_state):
raise ValueError("air_input must have exactly 6 elements")
air_states = bytes([128 if state else 0 for state in fix_air_order(air_zone_state)])
shared_memory.seek(0)
shared_memory.write(bytes(air_states))
def fix_air_order(air_zone_state: list):
if len(air_zone_state) != 6:
raise ValueError("air_input must have exactly 6 elements")
return [air_zone_state[4], air_zone_state[5], air_zone_state[2], air_zone_state[3], air_zone_state[0], air_zone_state[1]]
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