mirror of https://github.com/ArduPilot/ardupilot
66 lines
1.1 KiB
C++
66 lines
1.1 KiB
C++
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#include <stdarg.h>
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#include <stdio.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <AP_HAL/AP_HAL.h>
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#include <AP_HAL/system.h>
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#include "replace.h"
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#include <fenv.h>
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#include <AP_Math/div1000.h>
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extern const AP_HAL::HAL& hal;
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namespace AP_HAL
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{
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static struct {
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uint64_t start_time;
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} state;
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void init()
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{
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state.start_time = micros64();
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// we don't want exceptions in flight code. That is the job of SITL
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feclearexcept(FE_OVERFLOW | FE_DIVBYZERO | FE_INVALID);
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}
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void panic(const char *errormsg, ...)
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{
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char buf[200];
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va_list ap;
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va_start(ap, errormsg);
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vsnprintf(buf, sizeof(buf), errormsg, ap);
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va_end(ap);
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HAP_PRINTF("PANIC: %s", buf);
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qurt_timer_sleep(100000);
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exit(1);
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}
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uint32_t micros()
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{
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return micros64() & 0xFFFFFFFF;
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}
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uint32_t millis()
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{
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return millis64() & 0xFFFFFFFF;
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}
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uint64_t micros64()
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{
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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uint64_t ret = ts.tv_sec*1000*1000ULL + uint64_div1000(ts.tv_nsec);
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ret -= state.start_time;
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return ret;
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}
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uint64_t millis64()
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{
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return uint64_div1000(micros64());
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}
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} // namespace AP_HAL
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