S_Co2_Sensor_Logger/Project/Application/systick_timer.c

#include "systick_timer.h"


static uint32_t tick_count;
volatile uint32_t nDelayCount;
/*-------------------------------------------------------------------------*//**
 * @brief         This function handles SysTick Handler.
 * @param         None
 * @return        None
 *//*-------------------------------------------------------------------------*/
void SysTick_Handler( void )
{
    tick_count++;    
    if(nDelayCount != 0)
    {
        nDelayCount--;
    }
}


uint32_t millis(void)
{
    return tick_count;
}


void Delay_ms(uint32_t nDelay)
{
    nDelayCount = nDelay;
    while(nDelayCount != 0);
}