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Improve Delay test report (#21047)

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X-Ryl669 2021-02-12 14:49:07 +01:00 committed by GitHub
parent e0ca244623
commit 03789c4d97
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1 changed files with 16 additions and 14 deletions
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30
Marlin/src/HAL/shared/Delay.cpp
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@ -106,12 +106,14 @@
} }
#if ENABLED(MARLIN_DEV_MODE) #if ENABLED(MARLIN_DEV_MODE)
void dump_delay_accuracy_check() void dump_delay_accuracy_check() {
{ auto report_call_time = [](PGM_P const name, PGM_P const unit, const uint32_t cycles, const uint32_t total, const bool do_flush=true) {
auto report_call_time = [](PGM_P const name, const uint32_t cycles, const uint32_t total, const bool do_flush=true) {
SERIAL_ECHOPGM("Calling "); SERIAL_ECHOPGM("Calling ");
serialprintPGM(name); serialprintPGM(name);
SERIAL_ECHOLNPAIR(" for ", cycles, "cycles took: ", total, "cycles"); SERIAL_ECHOLNPAIR(" for ", cycles);
serialprintPGM(unit);
SERIAL_ECHOLNPAIR(" took: ", total);
serialprintPGM(unit);
if (do_flush) SERIAL_FLUSH(); if (do_flush) SERIAL_FLUSH();
}; };
@ -123,41 +125,41 @@
constexpr uint32_t testValues[] = { 1, 5, 10, 20, 50, 100, 150, 200, 350, 500, 750, 1000 }; constexpr uint32_t testValues[] = { 1, 5, 10, 20, 50, 100, 150, 200, 350, 500, 750, 1000 };
for (auto i : testValues) { for (auto i : testValues) {
s = micros(); DELAY_US(i); e = micros(); s = micros(); DELAY_US(i); e = micros();
report_call_time(PSTR("delay"), i, e - s); report_call_time(PSTR("delay"), PSTR("us"), i, e - s);
} }
if (HW_REG(_DWT_CTRL)) { if (HW_REG(_DWT_CTRL)) {
for (auto i : testValues) { for (auto i : testValues) {
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(i); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(i); e = HW_REG(_DWT_CYCCNT);
report_call_time(PSTR("delay"), i, e - s); report_call_time(PSTR("runtime delay"), PSTR("cycles"), i, e - s);
} }
// Measure the delay to call a real function compared to a function pointer // Measure the delay to call a real function compared to a function pointer
s = HW_REG(_DWT_CYCCNT); delay_dwt(1); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); delay_dwt(1); e = HW_REG(_DWT_CYCCNT);
report_call_time(PSTR("delay_dwt"), 1, e - s); report_call_time(PSTR("delay_dwt"), PSTR("cycles"), 1, e - s);
static PGMSTR(dcd, "DELAY_CYCLES directly "); static PGMSTR(dcd, "DELAY_CYCLES directly ");
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES( 1); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES( 1); e = HW_REG(_DWT_CYCCNT);
report_call_time(dcd, 1, e - s, false); report_call_time(dcd, PSTR("cycles"), 1, e - s, false);
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES( 5); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES( 5); e = HW_REG(_DWT_CYCCNT);
report_call_time(dcd, 5, e - s, false); report_call_time(dcd, PSTR("cycles"), 5, e - s, false);
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(10); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(10); e = HW_REG(_DWT_CYCCNT);
report_call_time(dcd, 10, e - s, false); report_call_time(dcd, PSTR("cycles"), 10, e - s, false);
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(20); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(20); e = HW_REG(_DWT_CYCCNT);
report_call_time(dcd, 20, e - s, false); report_call_time(dcd, PSTR("cycles"), 20, e - s, false);
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(50); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(50); e = HW_REG(_DWT_CYCCNT);
report_call_time(dcd, 50, e - s, false); report_call_time(dcd, PSTR("cycles"), 50, e - s, false);
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(100); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(100); e = HW_REG(_DWT_CYCCNT);
report_call_time(dcd, 100, e - s, false); report_call_time(dcd, PSTR("cycles"), 100, e - s, false);
s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(200); e = HW_REG(_DWT_CYCCNT); s = HW_REG(_DWT_CYCCNT); DELAY_CYCLES(200); e = HW_REG(_DWT_CYCCNT);
report_call_time(dcd, 200, e - s, false); report_call_time(dcd, PSTR("cycles"), 200, e - s, false);
} }
} }
#endif // MARLIN_DEV_MODE #endif // MARLIN_DEV_MODE