forked from Imagelibrary/rtems
35 lines
656 B
C
35 lines
656 B
C
/*
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* Timer Init
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*
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* Use the last DMA timer (DTIM3) as the diagnostic timer.
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*/
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#include <rtems.h>
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#include <rtems/btimer.h>
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#include <bsp.h>
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void
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benchmark_timer_initialize(void)
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{
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int preScaleDivisor = 58;
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int div = MCF5282_TIMER_DTMR_CLK_DIV1;
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MCF5282_TIMER3_DTRR = 0x2710;
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MCF5282_TIMER3_DTMR = 0;
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MCF5282_TIMER3_DTMR = MCF5282_TIMER_DTMR_PS(preScaleDivisor - 1) | div |
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MCF5282_TIMER_DTMR_RST;
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}
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/*
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* Return timer value in microsecond units
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*/
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uint32_t
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benchmark_timer_read(void)
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{
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return MCF5282_TIMER3_DTCN;
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}
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void
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benchmark_timer_disable_subtracting_average_overhead(bool find_flag)
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{
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}
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