2020-02-07 14:57:44 +01:00

62 lines
1.2 KiB
C

/*!
\file systick.c
\brief the systick configuration file
*/
/*
Copyright (C) 2017 GigaDevice
2014-12-26, V1.0.0, platform GD32F1x0(x=3,5)
2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9)
2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9)
2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9)
*/
#include "gd32f1x0.h"
#include "systick.h"
static uint32_t delay;
/*!
\brief configure systick
\param[in] none
\param[out] none
\retval none
*/
void systick_config(void)
{
/* setup systick timer for 1000Hz interrupts */
if (SysTick_Config(SystemCoreClock / 1000)){
/* capture error */
while (1);
}
/* configure the systick handler priority */
NVIC_SetPriority(SysTick_IRQn, 0x00);
}
/*!
\brief delay a time in milliseconds
\param[in] count: count in milliseconds
\param[out] none
\retval none
*/
void delay_1ms(uint32_t count)
{
delay = count;
while(0 != delay);
}
/*!
\brief delay decrement
\param[in] none
\param[out] none
\retval none
*/
void delay_decrement(void)
{
if (0 != delay){
delay--;
}
}