osdep_samD21j18a.c

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#include <stdint.h>
#include "osdep.h"
#include "conf_clocks.h"

uint32_t msec=0;

void 
SysTick_Handler(void)
{
        msec++;
}

uint64_t 
tmr_gettime(void)
{
        uint32_t ret;
        ret=SysTick_Config(SystemCoreClock/1000);                                    /* Configure SysTick to generate an interrupt every millisecond */
        if(ret==0)
        {
                return msec;
        }
        return 0;
}

uint32_t 
tmr_gettime_low()
{
        /* Fill in with code that returns the low 32 bits of a millisecond
        * counter. The API will not otherwise interpret the counter value.
        */
        return (tmr_gettime() >>  0) & 0xffffffff;
}

uint32_t 
tmr_gettime_high()
{
        /* Fill in with code that returns the hugh 32 bits of a millisecond
        * counter. The API will not otherwise interpret the counter value.
        * Returning 0 is acceptable here if you do not have a large enough counter.
        */
        return (tmr_gettime() >> 32) & 0xffffffff;
}

void 
tmr_sleep(uint32_t sleepms)
{
        /*
        * Fill in with code that returns after at least sleepms milliseconds
        * have elapsed.
        */
        while (sleepms--)
        {
                SysTick_Config(SystemCoreClock/1000);
        }
}

TMR_TimeStructure
tmr_gettimestructure()
{
        TMR_TimeStructure timestructure;
        timestructure.tm_year = (uint32_t)0;
        timestructure.tm_mon = (uint32_t)0;
        timestructure.tm_mday = (uint32_t)0;
        timestructure.tm_hour = (uint32_t)0;
        timestructure.tm_min = (uint32_t)0;
        timestructure.tm_sec = (uint32_t)0;
        return timestructure;
}