mirror of
https://github.com/ehw-fit/ariths-gen.git
synced 2025-04-19 13:30:56 +01:00
389 lines
16 KiB
Python
389 lines
16 KiB
Python
#KOMPONENTY PROPOJU
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class wire():
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def __init__(self, name : str, value : int = 0, index : int = 0):
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self.name = name
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self.value = value
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self.index = index
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def get_declaration_c(self):
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return f" uint8_t {self.name} = 0;\n"
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def get_wire_value_c(self, offset : int = 0):
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return f"(({self.name} >> {offset}) & 0x01)"
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def return_wire_value_c(self, offset : int = 0):
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return f"({self.name} & 0x01) << {offset}"
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class bus():
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#inicializace sbernice
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def __init__(self, prefix : str = "bus", N : int = 1):
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self.bus = [wire(name=prefix, index= i) for i in range(N)]
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self.prefix = prefix
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self.N = N
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def __index__(self, wire):
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return self.bus.index(wire)
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#pripojeni vystupniho vodice vnitrni komponenty na vstup jine komponenty (nebo drat vystupni sbernice obvodu)
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def connect(self, out_wire_index : int, inner_component_out_wire : wire):
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self.bus[out_wire_index] = inner_component_out_wire
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def get_wire_value_c(self, offset : int = 0):
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self.bus[offset].get_wire_value_c(offset)
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def return_wire_value_c(self, offset : int = 0):
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self.bus[offset].return_wire_value_c(offset)
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def get_declaration_c(self):
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if self.N > 8:
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return f" uint64_t {self.prefix} = 0;\n"
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else:
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return f" uint8_t {self.prefix} = 0;\n"
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def get_wire(self, wire_index : int):
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return self.bus[wire_index]
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#KOMPONENTY HRADEL
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class logic_gate():
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def __init__(self, a : wire, b : wire, prefix : str = "w"):
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self.a = wire(prefix+"_"+a.name.replace(prefix+"_", ''),a.value)
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self.b = wire(prefix+"_"+b.name.replace(prefix+"_", ''),b.value)
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self.prefix = prefix
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@staticmethod
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def get_includes_c():
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return f"#include <stdio.h>\n#include <stdint.h>\n\n"
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def get_prototype_c(self):
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return f"uint8_t {self.gate_type}(uint8_t a, uint8_t b)" + "{" + '\n'
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def get_declaration_c(self):
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return f"{self.a.get_declaration_c()}{self.b.get_declaration_c()}{self.output.get_declaration_c()}"
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def get_initialization_c(self):
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return f"{self.a.name} {self.operator} {self.b.name}"
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def get_function_c(self):
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self.a.name = self.a.name.replace(self.prefix+"_", '')
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self.b.name = self.b.name.replace(self.prefix+"_", '')
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return f"{self.a.get_wire_value_c()} {self.operator} {self.b.get_wire_value_c(0)}"
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#generovani samostatneho obvodu logickeho hradla do jazyka C
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def get_c_code(self, file_object):
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file_object.write(self.get_includes_c())
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file_object.write(self.get_prototype_c())
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file_object.write(" return "+(self.get_function_c())+";\n}")
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file_object.close()
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#jednovstupove
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class not_gate(logic_gate):
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def __init__(self, a : wire, prefix : str = "w", outid : int = 0):
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self.gate_type = 'not_gate'
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self.operator = '~'
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self.a = wire(prefix+"_"+a.name.replace(prefix+"_", ''),a.value)
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self.prefix = prefix
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if self.a.value == 1:
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self.output = wire(name=prefix+"_y"+str(outid),value=0)
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else:
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self.output = wire(name=prefix+"_y"+str(outid),value=1)
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def get_prototype_c(self):
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return f"uint8_t {self.gate_type}(uint8_t a)" + "{" + '\n'
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def get_declaration_c(self):
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return f"{self.a.get_declaration_c()}{self.output.get_declaration_c()}"
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def get_initialization_c(self):
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return f"{self.operator}{self.a.name}"
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def get_function_c(self):
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self.a.name = self.a.name.replace(self.prefix+"_", '')
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return f"{self.operator}{self.a.get_wire_value_c()} & 0x01 << 0"
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#dvouvstupove
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class and_gate(logic_gate):
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def __init__(self, a : wire, b : wire, prefix : str = "w", outid : int = 0):
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super().__init__(a,b,prefix)
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self.gate_type = 'and_gate'
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self.operator = '&'
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if a.value == 1 and b.value == 1:
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self.output = wire(name=prefix+"_y"+str(outid),value=1)
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else:
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self.output = wire(name=prefix+"_y"+str(outid),value=0)
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class nand_gate(logic_gate):
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def __init__(self, a : wire, b : wire, prefix : str = "w", outid : int = 0):
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super().__init__(a,b,prefix)
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self.gate_type = 'nand_gate'
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self.operator = '&'
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if (self.a.value == 1 and self.b.value == 1):
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self.output = wire(name=prefix+"_y"+str(outid),value=0)
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else:
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self.output = wire(name=prefix+"_y"+str(outid),value=1)
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def get_function_c(self):
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return "~("+(super().get_function_c())+f") & 0x01 << 0"
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class or_gate(logic_gate):
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def __init__(self, a : wire, b : wire, prefix : str = "w", outid : int = 0):
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super().__init__(a,b,prefix)
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self.gate_type = 'or_gate'
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self.operator = '|'
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if self.a.value == 1 or self.b.value == 1:
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self.output = wire(name=prefix+"_y"+str(outid),value=1)
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else:
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self.output = wire(name=prefix+"_y"+str(outid),value=0)
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class nor_gate(logic_gate):
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def __init__(self, a : wire, b : wire, prefix : str = "w", outid : int = 0):
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super().__init__(a,b,prefix)
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self.gate_type = 'nor_gate'
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self.operator = '|'
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if self.a.value == 1 or self.b.value == 1:
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self.output = wire(name=prefix+"_y"+str(outid),value=0)
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else:
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self.output = wire(name=prefix+"_y"+str(outid),value=1)
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def get_function_c(self):
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return "~("+(super().get_function_c())+") & 0x01 << 0"
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class xor_gate(logic_gate):
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def __init__(self, a : wire, b : wire, prefix : str = "w", outid : int = 0):
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super().__init__(a,b,prefix)
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self.gate_type = 'xor_gate'
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self.operator = '^'
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if (a.value == 1 and b.value == 0) or (a.value == 0 and b.value == 1):
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self.output = wire(name=prefix+"_y"+str(outid),value=1)
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else:
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self.output = wire(name=prefix+"_y"+str(outid),value=0)
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class xnor_gate(logic_gate):
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def __init__(self, a : wire, b : wire, prefix : str = "w", outid : int = 0):
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super().__init__(a,b,prefix)
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self.gate_type = 'xnor_gate'
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self.operator = '^'
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if (self.a.value == 1 and self.b.value == 0) or (self.a.value == 0 and self.b.value == 1):
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self.output = wire(name=prefix+"_y"+str(outid),value=0)
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else:
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self.output = wire(name=prefix+"_y"+str(outid),value=1)
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def get_function_c(self):
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return "~("+(super().get_function_c())+") & 0x01 << 0"
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#ARITMETICKE OBVODY
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class arithmetic_circuit():
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def __init__(self):
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self.components = []
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self.circuit_wires = []
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self.c_data_type = "uint64_t"
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self.input_N = 0
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self.carry_out_gate = None
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self.sum_out_gates = []
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def add_component(self, component):
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self.components.append(component)
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def get_previous_component(self):
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return self.components[-1]
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def get_sum_wire(self):
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return self.out.get_wire(0)
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def get_carry_wire(self):
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return self.out.get_wire(1)
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@staticmethod
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def get_includes_c():
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return f"#include <stdio.h>\n#include <stdint.h>\n\n"
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def get_prototype_c(self):
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return f"{self.c_data_type} {self.prefix}({self.c_data_type} {self.a.prefix}, {self.c_data_type} {self.b.prefix})" + "{" + '\n'
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def get_declaration_c(self):
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return f"".join([c.get_declaration_c() for c in self.components])
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def get_initialization_c(self):
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return "".join([c.get_initialization_c() for c in self.components])
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def get_function_sum_c(self):
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return "".join([c.get_function_sum_c(self.components.index(c)) for c in self.components])
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def get_function_carry_c(self):
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return f"{self.get_previous_component().get_function_carry_c(offset=self.out.N-1)}"
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#generovani aritmetickeho obvodu do jazyka C
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def get_c_code(self, file_object):
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file_object.write(self.get_includes_c())
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file_object.write(self.get_prototype_c())
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file_object.write(self.out.get_declaration_c())
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file_object.write(self.get_declaration_c())
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file_object.write(self.get_initialization_c())
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file_object.write(self.get_function_sum_c())
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file_object.write(self.get_function_carry_c())
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file_object.write(f" return {self.out.prefix}"+";\n}")
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file_object.close()
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class half_adder(arithmetic_circuit):
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def __init__(self, a : wire, b : wire, prefix : str = "ha"):
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super().__init__()
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self.c_data_type = "uint8_t"
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self.prefix = prefix
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self.a = a
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self.b = b
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#2 draty pro vystupy komponenty (sum, cout)
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self.out = bus("out",2)
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#Sum
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#XOR hradlo pro vypocet jednobitového souctu (sum)
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obj_xor_gate = xor_gate(a, b, prefix, outid=0)
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self.add_component(obj_xor_gate)
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self.out.connect(0,obj_xor_gate.output)
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#Cout
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#AND hradlo pro vypocet jednobitoveho priznaku prenosu do vyssiho radu (cout)jednobitového souctu (sum)
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obj_and_gate = and_gate(a, b, prefix, outid=1)
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self.add_component(obj_and_gate)
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self.out.connect(1,obj_and_gate.output)
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def get_prototype_c(self):
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return f"{self.c_data_type} {self.prefix}({self.c_data_type} {self.a.name}, {self.c_data_type} {self.b.name})" + "{" + '\n'
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# ziskani vsech unikatnich vodicu obvodu ze vsech hradel k zajisteni neopakujicich se deklaraci stejnych vodicu
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def get_declaration_c(self):
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for component in self.components:
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if not [item for item in self.circuit_wires if item[1] == component.a.name]:
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self.circuit_wires.append((component.a, component.a.name))
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if not [item for item in self.circuit_wires if item[1] == component.b.name]:
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self.circuit_wires.append((component.b, component.b.name))
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if not [item for item in self.circuit_wires if item[1] == component.output.name]:
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self.circuit_wires.append((component.output, component.output.name))
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#unikatni deklarace vsech propoju obvodu
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return "".join([c[0].get_declaration_c() for c in self.circuit_wires])
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#inicializace hodnot vodicu polovicni scitacky
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def get_initialization_c(self):
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return f" {self.components[0].a.name} = {self.a.get_wire_value_c(offset=self.a.index)};\n" + \
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f" {self.components[0].b.name} = {self.b.get_wire_value_c(offset=self.b.index)};\n" + \
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f" {self.components[0].output.name} = {self.components[0].get_initialization_c()};\n" + \
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f" {self.components[1].output.name} = {self.components[1].get_initialization_c()};\n"
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def get_function_sum_c(self, offset : int = 0):
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return f" {self.out.prefix} |= {self.components[0].output.return_wire_value_c(offset = offset)};\n"
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def get_function_carry_c(self, offset : int = 1):
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return f" {self.out.prefix} |= {self.components[1].output.return_wire_value_c(offset = offset)};\n"
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class full_adder(arithmetic_circuit):
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def __init__(self, a : wire, b : wire, c : wire, prefix : str = "fa"):
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super().__init__()
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self.c_data_type = "uint8_t"
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self.prefix = prefix
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self.a = a
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self.b = b
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self.c = c
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#2 draty pro vystupy komponenty (sum, cout)
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self.out = bus("out",2)
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#PG logika
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propagate_xor_gate1 = xor_gate(a, b, prefix, outid=0)
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self.add_component(propagate_xor_gate1)
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generate_and_gate1 = and_gate(a, b, prefix, outid=1)
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self.add_component(generate_and_gate1)
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#Sum
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#XOR hradlo pro vypocet jednobitového souctu (sum)
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obj_xor_gate2 = xor_gate(propagate_xor_gate1.output, c, prefix, outid=2)
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self.add_component(obj_xor_gate2)
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self.out.connect(0,obj_xor_gate2.output)
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#Cout
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#AND hradlo pro vypocet jednobitoveho priznaku prenosu do vyssiho radu (cout)jednobitového souctu (sum)
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obj_and_gate2 = and_gate(propagate_xor_gate1.output, c, prefix, outid=3)
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self.add_component(obj_and_gate2)
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obj_or_gate = or_gate(generate_and_gate1.output, obj_and_gate2.output, prefix, outid=4)
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self.add_component(obj_or_gate)
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self.out.connect(1,obj_or_gate.output)
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#todo nechat do budoucna?
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self.propagate = propagate_xor_gate1.output
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self.generate = generate_and_gate1.output
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#3 vstupy spolu s carry in
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def get_prototype_c(self):
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return f"{self.c_data_type} {self.prefix}({self.c_data_type} {self.a.name}, {self.c_data_type} {self.b.name}, {self.c_data_type} {self.c.name})" + "{" + '\n'
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def get_declaration_c(self):
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for component in self.components:
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if not [item for item in self.circuit_wires if item[1] == component.a.name]:
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self.circuit_wires.append((component.a, component.a.name))
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if not [item for item in self.circuit_wires if item[1] == component.b.name]:
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self.circuit_wires.append((component.b, component.b.name))
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if not [item for item in self.circuit_wires if item[1] == component.output.name]:
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self.circuit_wires.append((component.output, component.output.name))
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#unikatni deklarace vsech propoju obvodu
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return "".join([c[0].get_declaration_c() for c in self.circuit_wires])
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#inicializace hodnot vodicu uplne scitacky
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def get_initialization_c(self):
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return f" {self.components[0].a.name} = {self.a.get_wire_value_c(offset=self.a.index)};\n" + \
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f" {self.components[0].b.name} = {self.b.get_wire_value_c(offset=self.b.index)};\n" + \
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f" {self.components[2].b.name} = {self.c.get_wire_value_c()};\n" + \
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f" {self.components[0].output.name} = {self.components[0].get_initialization_c()};\n" + \
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f" {self.components[1].output.name} = {self.components[1].get_initialization_c()};\n" + \
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f" {self.components[2].output.name} = {self.components[2].get_initialization_c()};\n" + \
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f" {self.components[3].output.name} = {self.components[3].get_initialization_c()};\n" + \
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f" {self.components[4].output.name} = {self.components[4].get_initialization_c()};\n"
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def get_function_sum_c(self, offset : int = 0):
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return f" {self.out.prefix} |= {self.components[2].output.return_wire_value_c(offset = offset)};\n"
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def get_function_carry_c(self, offset : int = 1):
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return f" {self.out.prefix} |= {self.components[4].output.return_wire_value_c(offset = offset)};\n"
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class ripple_carry_adder(arithmetic_circuit):
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def __init__(self, a : bus, b : bus, prefix : str = "rca"):
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super().__init__()
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N = max(a.N,b.N)
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self.prefix = prefix+str(N)
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self.a = a
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self.b = b
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#vystupni draty pro N souctu a vystupni priznak prenosu do vyssiho radu (cout)
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self.out = bus("out", N+1)
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#postupne pridani jednobitovych scitacek
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for input_index in range(N):
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#prvni je polovicni scitacka
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if input_index == 0:
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obj_ha = half_adder(a.get_wire(input_index), b.get_wire(input_index), prefix=self.prefix+"_ha")
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self.add_component(obj_ha)
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self.out.connect(input_index, obj_ha)
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else:
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obj_fa = full_adder(a.get_wire(input_index), b.get_wire(input_index), self.get_previous_component().get_carry_wire(), prefix=self.prefix+"_fa"+str(input_index))
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self.add_component(obj_fa)
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self.out.connect(input_index, obj_fa.get_sum_wire())
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if input_index == (N-1):
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self.out.connect(N, obj_fa.get_carry_wire()) |