mirror of
https://github.com/ehw-fit/ariths-gen.git
synced 2025-04-19 13:30:56 +01:00
332 lines
12 KiB
Python
332 lines
12 KiB
Python
#KOMPONENTY PROPOJU
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#todo ??
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class wire():
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def __init__(self, index):
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self.index = index
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self.value = 0
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class bus():
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#inicializace sbernice
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def __init__(self, N=1):
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self.bus = [wire(index=i) for i in range(N)]
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self.N = N
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#vraci drat na prislusnem indexu sbernice
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def get(self, wire_index):
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return self.bus[wire_index]
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#vraci logickou hodnotu vedenou na drate s prislusnym indexem
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def get_value(self, wire_index):
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return self.bus[wire_index].value
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#pripojeni vstupni, vystupni hodnoty komponenty k sbernici
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def connect(self, wire_index, component_output_value):
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self.bus[wire_index].value = component_output_value
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#KOMPONENTY HRADEL
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#jednovstupove
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class not_gate():
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def __init__(self, input_a):
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self.gate_type = "not_gate"
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if input_a == 1:
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self.y = 0
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else:
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self.y = 1
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def export_to_C(self, filename, main_component=True, file_object=None, wire_id=0, line_var_cnt=0, init_run=True):
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with open(filename,'w') as f:
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if main_component == True:
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f.write('#include <stdint.h>\n\n')
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f.write('uint8_t not_gate(uint8_t a) {\n')
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f.write(' uint8_t y;\n')
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f.write(' uint8_t n1 = (a >> 0) & 0x1;\n')
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f.write(' y = ~n1;\n')
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f.write(' return y;\n')
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f.write('}\n')
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else:
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if init_run == True:
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if line_var_cnt != 0:
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file_object.write(', ')
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file_object.write(f'n_{wire_id}=0')
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else:
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pass
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#dvouvstupove
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class or_gate():
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def __init__(self, input_a, input_b):
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self.gate_type = "or_gate"
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if (input_a == 1 or input_b == 1):
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self.y = 1
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else:
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self.y = 0
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def export_to_C(self, filename, main_component=True, file_object=None, wire_id=0, line_var_cnt=0, init_run=True):
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with open(filename,'w') as f:
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if main_component == True:
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f.write('#include <stdint.h>\n\n')
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f.write('uint8_t or_gate(uint8_t a, uint8_t b) {\n')
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f.write(' uint8_t y;\n')
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f.write(' uint8_t n1 = (a >> 0) & 0x1;\n')
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f.write(' uint8_t n2 = (b >> 0) & 0x1;\n')
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f.write(' y = n1 | n2;\n')
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f.write(' return y;\n')
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f.write('}\n')
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else:
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#todo wtf
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if init_run == True:
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if line_var_cnt != 0:
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file_object.write(', ')
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file_object.write(f'n_{wire_id}=0')
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else:
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pass
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class xor_gate():
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def __init__(self, input_a, input_b):
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self.gate_type = "xor_gate"
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if (input_a == 1 and input_b == 0) or (input_a == 0 and input_b == 1):
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self.y = 1
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else:
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self.y = 0
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def export_to_C(self, filename, main_component=True, file_object=None, wire_id=0, line_var_cnt=0, init_run=True):
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with open(filename,'w') as f:
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if main_component == True:
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f.write('#include <stdint.h>\n\n')
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f.write('uint8_t xor_gate(uint8_t a, uint8_t b) {\n')
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f.write(' uint8_t y;\n')
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f.write(' uint8_t n1 = (a >> 0) & 0x1;\n')
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f.write(' uint8_t n2 = (b >> 0) & 0x1;\n')
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f.write(' y = n1 ^ n2;\n')
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f.write(' return y;\n')
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f.write('}\n')
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else:
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if init_run == True:
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if line_var_cnt != 0:
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file_object.write(', ')
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file_object.write(f'n_{wire_id}=0')
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else:
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pass
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class and_gate():
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def __init__(self, input_a, input_b):
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self.gate_type = "and_gate"
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if input_a == 1 and input_b == 1:
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self.y = 1
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else:
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self.y = 0
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def export_to_C(self, filename, main_component=True, file_object=None, wire_id=0, line_var_cnt=0, init_run=True):
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with open(filename,'w') as f:
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if main_component == True:
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f.write('#include <stdint.h>\n\n')
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f.write('uint8_t and_gate(uint8_t a, uint8_t b) {\n')
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f.write(' uint8_t y;\n')
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f.write(' uint8_t n1 = (a >> 0) & 0x1;\n')
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f.write(' uint8_t n2 = (b >> 0) & 0x1;\n')
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f.write(' y = n1 & n2;\n')
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f.write(' return y;\n')
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f.write('}\n')
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else:
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if init_run == True:
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if line_var_cnt != 0:
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file_object.write(', ')
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file_object.write(f'n_{wire_id}=0')
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else:
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pass
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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.component_list = []
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def add_component(self, component):
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self.component_list.append(component)
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def get_previous_component(self):
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return self.component_list[-1]
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#zpravidla posledni bit ve vystupnim vektoru bitu
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def get_carry_out(self):
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return self.out.get(-1).value
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def get_sum_out(self, index):
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return self.out.get_value(index)
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#Export do jinych reprezentaci
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def export_to_C(self, filename, main_component=True, file_object=None, wire_id=0, line_var_cnt=0, init_run=True):
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self.line_wires_cnt = 0
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if main_component == True:
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with open(filename,'w') as f:
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f.write('#include <stdint.h>\n\n')
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if self.circuit_type == 'ha':
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f.write('uint8_t ha(uint8_t a, uint8_t b) {\n')
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f.write(' uint8_t out = 0;\n')
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elif self.circuit_type == 'fa':
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f.write('uint8_t fa(uint8_t a, uint8_t b, uint8_t cin) {\n')
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f.write(' uint8_t out = 0;\n')
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else:
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f.write(f'uint64_t {self.circuit_type}(uint64_t a, uint64_t b) ')
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f.write('{\n')
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f.write(' uint64_t out = 0;\n')
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f.write('uint8_t ')
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for component in self.component_list:
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component.export_to_C(filename, False)
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f.write(';\n')
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f.write(' return out;\n')
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f.write('}\n')
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class half_adder(arithmetic_circuit):
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def __init__(self, input_a, input_b):
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super().__init__()
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self.circuit_type = "ha"
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#2 draty pro vystupy komponenty (sum, cout)
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self.out = bus(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(input_a, input_b)
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self.add_component(obj_xor_gate)
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self.out.connect(0,obj_xor_gate.y)
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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(input_a, input_b)
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self.add_component(obj_and_gate)
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self.out.connect(1,obj_and_gate.y)
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def get_sum_out(self):
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return self.out.get(0).value
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def export_to_C(self, filename, main_component=True, file_object=None, wire_id=0, line_var_cnt=0, init_run=True):
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if main_component == True:
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with open(filename,'w') as f:
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f.write('#include <stdint.h>\n\n')
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f.write('uint8_t ha(uint8_t a, uint8_t b) {\n')
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f.write(' uint8_t out = 0;\n')
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f.write(' uint8_t ')
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#inicializace vstupu
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for component in self.component_list:
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component.export_to_C(filename, False, file_object=f, wire_id=wire_id, line_var_cnt=line_var_cnt)
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wire_id +=1
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line_var_cnt +=1
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if line_var_cnt == 8:
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line_var_cnt = 0
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f.write(';\n')
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wire_id=0
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#prirazeni hodnot
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for component in self.component_list:
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component.export_to_C(filename, False, file_object=f, wire_id=wire_id, init_run=False)
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wire_id +=1
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f.write(';\n')
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f.write(' return out;\n')
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f.write('}\n')
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else:
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pass
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class full_adder(arithmetic_circuit):
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def __init__(self, input_a, input_b, carry_in):
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super().__init__()
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self.circuit_type = "fa"
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#2 draty pro vystupy komponenty (sum, cout)
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self.out = bus(2)
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#PG logika
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propagate_xor_gate1 = xor_gate(input_a, input_b)
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self.add_component(propagate_xor_gate1)
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generate_and_gate1 = and_gate(input_a, input_b)
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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.y, carry_in)
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self.add_component(obj_xor_gate2)
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self.out.connect(0,obj_xor_gate2.y)
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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.y, carry_in)
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self.add_component(obj_and_gate2)
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obj_or_gate = or_gate(generate_and_gate1.y, obj_and_gate2.y)
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self.add_component(obj_or_gate)
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self.out.connect(1,obj_or_gate.y)
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#todo nechat?
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self.propagate = propagate_xor_gate1.y
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self.generate = generate_and_gate1.y
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def get_sum_out(self):
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return self.out.get(0).value
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def export_to_C(self, filename, main_component=True, file_object=None, wire_id=0, line_var_cnt=0, mode):
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if main_component == True:
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with open(filename,'w') as f:
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f.write('#include <stdint.h>\n\n')
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f.write('uint8_t fa(uint8_t a, uint8_t b, uint8_t cin) {\n')
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f.write(' uint8_t out = 0;\n')
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f.write(' uint8_t ')
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for component in self.component_list:
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component.export_to_C(filename, False, file_object=f, wire_id=wire_id, line_var_cnt=line_var_cnt)
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wire_id +=1
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line_var_cnt +=1
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if line_var_cnt == 8:
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f.write(';\n')
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f.write(';\n')
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f.write(' return out;\n')
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f.write('}\n')
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else:
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pass
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class ripple_carry_adder(arithmetic_circuit):
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def __init__(self, input_bus_a, input_bus_b):
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super().__init__()
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#todo zeptat se
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N = max(input_bus_a.N,input_bus_b.N)
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self.circuit_type = "rca_"+str(N)
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self.out = bus(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(input_bus_a.get_value(input_index), input_bus_b.get_value(input_index))
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self.add_component(obj_ha)
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self.out.connect(input_index, obj_ha.get_sum_out())
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else:
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obj_fa = full_adder(input_bus_a.get_value(input_index), input_bus_b.get_value(input_index), self.get_previous_component().get_carry_out())
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self.add_component(obj_fa)
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self.out.connect(input_index, obj_fa.get_sum_out())
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if input_index == (N-1):
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self.out.connect(N, obj_fa.get_carry_out())
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#Export do jinych reprezentaci
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#todo
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