timer.cpp

00001 /**
00002  * @file timer.c
00003  * @brief mbed-os implementation of the timer interface needed for AWS.
00004  */
00005 
00006 #include <stddef.h>
00007 #include "timer_interface.h"
00008 
00009 TimerExt::TimerExt() {
00010     unsigned int timeout_ms = 0;
00011 };
00012 
00013 char expired(Timer* timer) {
00014     if (timer->read_ms() > timer->timeout_ms)
00015         return 1;
00016     
00017     return 0;
00018 }
00019 
00020 void countdown_ms(Timer* timer, unsigned int timeout) {
00021     timer->timeout_ms = timeout;
00022     timer->reset();
00023     timer->start();
00024 }
00025 
00026 void countdown(Timer* timer, unsigned int timeout) {
00027     timer->timeout_ms = (timeout * 1000);
00028     timer->reset();
00029     timer->start();
00030 }
00031 
00032 uint32_t left_ms(Timer* timer) {
00033     if (timer->read_ms() < timer->timeout_ms)
00034         return (timer->timeout_ms - timer->read_ms());
00035     
00036     return 0;
00037 }
00038 
00039 void InitTimer(Timer* timer) {
00040     timer->stop();
00041     timer->reset();
00042     timer->timeout_ms = 0;
00043 }
00044 
00045