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https://github.com/0xMax42/pydepp.git
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55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
import ctypes
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from ctypes import c_bool, c_char_p, c_ubyte, c_void_p, POINTER
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# Pfade zu den Digilent Libraries
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libdmgr = ctypes.CDLL("/usr/lib64/digilent/adept/libdmgr.so")
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libdepp = ctypes.CDLL("/usr/lib64/digilent/adept/libdepp.so")
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# Typdefinition für das Handle
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HIF = c_void_p
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# Funktions-Signaturen definieren
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libdmgr.DmgrOpen.argtypes = [POINTER(HIF), c_char_p]
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libdmgr.DmgrOpen.restype = c_bool
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libdmgr.DmgrClose.argtypes = [HIF]
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libdmgr.DmgrClose.restype = c_bool
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libdepp.DeppEnable.argtypes = [HIF]
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libdepp.DeppEnable.restype = c_bool
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libdepp.DeppDisable.argtypes = [HIF]
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libdepp.DeppDisable.restype = c_bool
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libdepp.DeppGetReg.argtypes = [HIF, c_ubyte, POINTER(c_ubyte), c_bool]
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libdepp.DeppGetReg.restype = c_bool
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libdepp.DeppPutReg.argtypes = [HIF, c_ubyte, c_ubyte, c_bool]
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libdepp.DeppPutReg.restype = c_bool
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class AdeptDepp:
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def __init__(self, device_name: str):
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self.hif = HIF()
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ok = libdmgr.DmgrOpen(ctypes.byref(self.hif), device_name.encode())
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if not ok:
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raise RuntimeError(f"DmgrOpen failed for device '{device_name}'")
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if not libdepp.DeppEnable(self.hif):
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libdmgr.DmgrClose(self.hif)
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raise RuntimeError("DeppEnable failed")
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def get_reg(self, reg: int) -> int:
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value = c_ubyte()
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if not libdepp.DeppGetReg(self.hif, c_ubyte(reg), ctypes.byref(value), False):
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raise RuntimeError(f"DeppGetReg failed at reg {reg}")
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return value.value
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def set_reg(self, reg: int, value: int):
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if not libdepp.DeppPutReg(self.hif, c_ubyte(reg), c_ubyte(value), False):
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raise RuntimeError(f"DeppPutReg failed at reg {reg}")
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def close(self):
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libdepp.DeppDisable(self.hif)
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libdmgr.DmgrClose(self.hif)
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