firmware/stm32/mk4-bootloader/delay.c
2021-06-04 08:51:40 -04:00

39 lines
654 B
C

/*
* (c) Copyright 2018 by Coinkite Inc. This file is covered by license found in COPYING-CC.
*
* delay.c -- Software delay loops (we have no interrupts)
*
*/
#include "basics.h"
#include "delay.h"
#include "stm32l4xx_hal.h"
// delay_ms()
//
void
delay_ms(int ms)
{
// Clear the COUNTFLAG and reset value to zero
SysTick->VAL = 0;
//SysTick->CTRL;
// Wait for ticks to happen
while(ms > 0) {
if(SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) {
ms--;
}
}
}
// HAL_Delay()
//
// Replace HAL version which needs interrupts
//
void
HAL_Delay(uint32_t Delay)
{
delay_ms(Delay);
}
// EOF