Move classes to individual file.

This commit is contained in:
mrg 2019-07-16 15:18:04 -07:00
parent 8ca656959b
commit 37fcf3bf37
4 changed files with 126 additions and 99 deletions

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@ -0,0 +1,43 @@
# See LICENSE for licensing information.
#
# Copyright (c) 2016-2019 Regents of the University of California and The Board
# of Regents for the Oklahoma Agricultural and Mechanical College
# (acting for and on behalf of Oklahoma State University)
# All rights reserved.
#
class delay_data():
"""
This is the delay class to represent the delay information
Time is 50% of the signal to 50% of reference signal delay.
Slew is the 10% of the signal to 90% of signal
"""
def __init__(self, delay=0.0, slew=0.0):
""" init function support two init method"""
# will take single input as a coordinate
self.delay = delay
self.slew = slew
def __str__(self):
""" override print function output """
return "Delay Data: Delay "+str(self.delay)+", Slew "+str(self.slew)+""
def __add__(self, other):
"""
Override - function (left), for delay_data: a+b != b+a
"""
assert isinstance(other,delay_data)
return delay_data(other.delay + self.delay,
other.slew)
def __radd__(self, other):
"""
Override - function (right), for delay_data: a+b != b+a
"""
assert isinstance(other,delay_data)
return delay_data(other.delay + self.delay,
self.slew)

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@ -10,6 +10,9 @@ import re
import os
import math
import tech
from delay_data import *
from wire_spice_model import *
from power_data import *
class spice():
@ -383,102 +386,3 @@ class spice():
def return_power(self, dynamic=0.0, leakage=0.0):
return power_data(dynamic, leakage)
class delay_data:
"""
This is the delay class to represent the delay information
Time is 50% of the signal to 50% of reference signal delay.
Slew is the 10% of the signal to 90% of signal
"""
def __init__(self, delay=0.0, slew=0.0):
""" init function support two init method"""
# will take single input as a coordinate
self.delay = delay
self.slew = slew
def __str__(self):
""" override print function output """
return "Delay Data: Delay "+str(self.delay)+", Slew "+str(self.slew)+""
def __add__(self, other):
"""
Override - function (left), for delay_data: a+b != b+a
"""
assert isinstance(other,delay_data)
return delay_data(other.delay + self.delay,
other.slew)
def __radd__(self, other):
"""
Override - function (right), for delay_data: a+b != b+a
"""
assert isinstance(other,delay_data)
return delay_data(other.delay + self.delay,
self.slew)
class power_data:
"""
This is the power class to represent the power information
Dynamic and leakage power are stored as a single object with this class.
"""
def __init__(self, dynamic=0.0, leakage=0.0):
""" init function support two init method"""
# will take single input as a coordinate
self.dynamic = dynamic
self.leakage = leakage
def __str__(self):
""" override print function output """
return "Power Data: Dynamic "+str(self.dynamic)+", Leakage "+str(self.leakage)+" in nW"
def __add__(self, other):
"""
Override - function (left), for power_data: a+b != b+a
"""
assert isinstance(other,power_data)
return power_data(other.dynamic + self.dynamic,
other.leakage + self.leakage)
def __radd__(self, other):
"""
Override - function (left), for power_data: a+b != b+a
"""
assert isinstance(other,power_data)
return power_data(other.dynamic + self.dynamic,
other.leakage + self.leakage)
class wire_spice_model:
"""
This is the spice class to represent a wire
"""
def __init__(self, lump_num, wire_length, wire_width):
self.lump_num = lump_num # the number of segment the wire delay has
self.wire_c = self.cal_wire_c(wire_length, wire_width) # c in each segment
self.wire_r = self.cal_wire_r(wire_length, wire_width) # r in each segment
def cal_wire_c(self, wire_length, wire_width):
from tech import spice
total_c = spice["wire_unit_c"] * wire_length * wire_width
wire_c = total_c / self.lump_num
return wire_c
def cal_wire_r(self, wire_length, wire_width):
from tech import spice
total_r = spice["wire_unit_r"] * wire_length / wire_width
wire_r = total_r / self.lump_num
return wire_r
def return_input_cap(self):
return 0.5 * self.wire_c * self.lump_num
def return_delay_over_wire(self, slew, swing = 0.5):
# delay will be sum of arithmetic sequence start from
# rc to self.lump_num*rc with step of rc
swing_factor = abs(math.log(1-swing)) # time constant based on swing
sum_factor = (1+self.lump_num) * self.lump_num * 0.5 # sum of the arithmetic sequence
delay = sum_factor * swing_factor * self.wire_r * self.wire_c
slew = delay * 2 + slew
result= delay_data(delay, slew)
return result

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@ -0,0 +1,38 @@
# See LICENSE for licensing information.
#
# Copyright (c) 2016-2019 Regents of the University of California and The Board
# of Regents for the Oklahoma Agricultural and Mechanical College
# (acting for and on behalf of Oklahoma State University)
# All rights reserved.
#
class power_data():
"""
This is the power class to represent the power information
Dynamic and leakage power are stored as a single object with this class.
"""
def __init__(self, dynamic=0.0, leakage=0.0):
""" init function support two init method"""
# will take single input as a coordinate
self.dynamic = dynamic
self.leakage = leakage
def __str__(self):
""" override print function output """
return "Power Data: Dynamic "+str(self.dynamic)+", Leakage "+str(self.leakage)+" in nW"
def __add__(self, other):
"""
Override - function (left), for power_data: a+b != b+a
"""
assert isinstance(other,power_data)
return power_data(other.dynamic + self.dynamic,
other.leakage + self.leakage)
def __radd__(self, other):
"""
Override - function (left), for power_data: a+b != b+a
"""
assert isinstance(other,power_data)
return power_data(other.dynamic + self.dynamic,
other.leakage + self.leakage)

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@ -0,0 +1,42 @@
# See LICENSE for licensing information.
#
# Copyright (c) 2016-2019 Regents of the University of California and The Board
# of Regents for the Oklahoma Agricultural and Mechanical College
# (acting for and on behalf of Oklahoma State University)
# All rights reserved.
#
class wire_spice_model():
"""
This is the spice class to represent a wire
"""
def __init__(self, lump_num, wire_length, wire_width):
self.lump_num = lump_num # the number of segment the wire delay has
self.wire_c = self.cal_wire_c(wire_length, wire_width) # c in each segment
self.wire_r = self.cal_wire_r(wire_length, wire_width) # r in each segment
def cal_wire_c(self, wire_length, wire_width):
from tech import spice
total_c = spice["wire_unit_c"] * wire_length * wire_width
wire_c = total_c / self.lump_num
return wire_c
def cal_wire_r(self, wire_length, wire_width):
from tech import spice
total_r = spice["wire_unit_r"] * wire_length / wire_width
wire_r = total_r / self.lump_num
return wire_r
def return_input_cap(self):
return 0.5 * self.wire_c * self.lump_num
def return_delay_over_wire(self, slew, swing = 0.5):
# delay will be sum of arithmetic sequence start from
# rc to self.lump_num*rc with step of rc
swing_factor = abs(math.log(1-swing)) # time constant based on swing
sum_factor = (1+self.lump_num) * self.lump_num * 0.5 # sum of the arithmetic sequence
delay = sum_factor * swing_factor * self.wire_r * self.wire_c
slew = delay * 2 + slew
result= delay_data(delay, slew)
return result