2012-09-12 11:56:36 -04:00
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from math import ceil
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Hz = 1
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KHz = 10**3
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MHz = 10**6
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GHz = 10**9
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s = 1
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ms = 1/KHz
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us = 1/MHz
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ns = 1/GHz
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class t2n:
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def __init__(self, clk_period_ns):
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self.clk_period_ns = clk_period_ns
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2013-01-27 07:59:44 -05:00
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self.clk_period_us = clk_period_ns*(MHz/GHz)
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self.clk_period_ms = clk_period_ns*(KHz/GHz)
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2012-09-12 11:56:36 -04:00
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def ns(self,t,margin=True):
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if margin:
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t += self.clk_period_ns/2
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return ceil(t/self.clk_period_ns)
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def us(self,t,margin=True):
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if margin:
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t += self.clk_period_us/2
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return ceil(t/self.clk_period_us)
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def ms(self,t,margin=True):
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if margin:
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t += self.clk_period_ms/2
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return ceil(t/self.clk_period_ms)
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