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ermacv/EmbeddedDelay.c

Created May 15, 2019 17:14
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EmbeddedDelay.c
#include <stdbool.h>
#include <stdint.h>
#define DELAY_INIT {0x0000, false}
typedef struct{
uint16_t time;
bool set;
}delay_t;
void setDelay(volatile delay_t*, uint16_t);
bool isDelayCount(volatile delay_t*);
void handleDelayInterrupt(volatile delay_t*);
void setDelay(volatile delay_t* delay, uint16_t time){
delay->set = false;
delay->time = time;
if (time)
delay->set = true;
}
bool isDelayCount(volatile delay_t* delay){
return delay->set;
}
void handleDelayInterrupt(volatile delay_t* delay){
if ((delay->set)&&(!(--delay->time)))
delay->set = false;
}
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