17 lines
347 B
C
17 lines
347 B
C
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#include "delay.h"
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#include "mmio.h"
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#define STC_LOW (*(volatile unsigned *)(IO_BASE + 0x3004))
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#define STC_HIGH (*(volatile unsigned *)(IO_BASE + 0x3008))
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uint64_t micros() {
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uint32_t high, low;
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high = STC_HIGH;
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low = STC_LOW;
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if (high != STC_HIGH) {
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high = STC_HIGH;
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low = STC_LOW;
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}
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return ((uint64_t)high) << 32 | low;
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}
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