forked from Mirror/GodMode9
13 lines
368 B
C
13 lines
368 B
C
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#pragma once
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#include <types.h>
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// The timer interval is calculated using the following equation:
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// T = [(PRESCALER_value + 1) * (Load_value + 1) * 2] / CPU_CLK
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// therefore
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// Load_value = [(CPU_CLK / 2) * (T / (PRESCALER_value + 1))] - 1
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#define BASE_CLKRATE (268111856)
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#define CLK_FREQ_TO_INTERVAL(f, p) ((BASE_CLKRATE/2) * ((f) / ((p) + 1)) - 1)
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