35 lines
1.1 KiB
Plaintext
35 lines
1.1 KiB
Plaintext
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config RT_USING_CPUTIME
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bool "Enable CPU time for high resolution clock counter"
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default n
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help
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When enable this option, the BSP should provide a rt_clock_cputime_ops
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for CPU time by:
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const static struct rt_clock_cputime_ops _ops = {...};
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clock_cpu_setops(&_ops);
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Then user can use high resolution clock counter with:
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ts1 = clock_cpu_gettime();
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ts2 = clock_cpu_gettime();
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/* and get the ms of delta tick with API: */
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ms_tick = clock_cpu_millisecond(t2 - t1);
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us_tick = clock_cpu_microsecond(t2 - t1);
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if RT_USING_CPUTIME
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config RT_USING_CPUTIME_CORTEXM
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bool "Support Cortex-M CPU"
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default y
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depends on ARCH_ARM_CORTEX_M0 || ARCH_ARM_CORTEX_M3 || ARCH_ARM_CORTEX_M4 || ARCH_ARM_CORTEX_M7
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select PKG_USING_PERF_COUNTER
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config RT_USING_CPUTIME_RISCV
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bool "Use rdtime instructions for CPU time"
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default y
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depends on ARCH_RISCV64
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help
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Some RISCV64 MCU Use rdtime instructions read CPU time.
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config CPUTIME_TIMER_FREQ
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int "CPUTIME timer freq"
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default 0
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endif
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