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Get STM32 clock rates from framework (#19978)

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Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
This commit is contained in:
Jason Smith
2020-11-01 01:39:30 -07:00
committed by GitHub
parent c05beb74a9
commit 4a39c8cd53
3 changed files with 11 additions and 7 deletions
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3
Marlin/src/HAL/STM32/timers.h
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@@ -57,7 +57,8 @@
// TODO: get rid of manual rate/prescale/ticks/cycles taken for procedures in stepper.cpp
#define STEPPER_TIMER_RATE 2000000 // 2 Mhz
#define STEPPER_TIMER_PRESCALE ((HAL_TIMER_RATE)/(STEPPER_TIMER_RATE))
extern uint32_t GetStepperTimerClkFreq();
#define STEPPER_TIMER_PRESCALE (GetStepperTimerClkFreq() / (STEPPER_TIMER_RATE))
#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
#define PULSE_TIMER_RATE STEPPER_TIMER_RATE