Junichi Katsu / Milkcocoa-os

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Dependents:   mbed-os-example-wifi-milkcocoa MilkcocoaOsSample_Eth MilkcocoaOsSample_ESP8266 MilkcocoaOsSample_Eth_DigitalIn

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OldTimer Class Reference
Public Member Functions

OldTimer Class Reference
[Drivers]

A general purpose timer. More...

#include <OldTimer.h>

Public Member Functions

void start ()
 Start the timer.
void stop ()
 Stop the timer.
void reset ()
 Reset the timer to 0.
float read ()
 Get the time passed in seconds.
int read_ms ()
 Get the time passed in milli-seconds.
int read_us ()
 Get the time passed in micro-seconds.
 operator float ()
 An operator shorthand for read()
us_timestamp_t read_high_resolution_us ()
 Get in a high resolution type the time passed in micro-seconds.

Detailed Description

A general purpose timer.

Note:
Synchronization level: Interrupt safe

Example: 

 // Count the time to toggle a LED

 #include "mbed.h"

 Timer timer;
 DigitalOut led(LED1);
 int begin, end;

 int main() {
     timer.start();
     begin = timer.read_us();
     led = !led;
     end = timer.read_us();
     printf("Toggle the led takes %d us", end - begin);
 }

Definition at line 49 of file OldTimer.h.

Member Function Documentation

operator float (  )

An operator shorthand for read()

Definition at line 82 of file OldTimer.cpp.

float read (  )

Get the time passed in seconds.

Returns:
Time passed in seconds

Definition at line 50 of file OldTimer.cpp.

us_timestamp_t read_high_resolution_us (  )

Get in a high resolution type the time passed in micro-seconds.

Definition at line 58 of file OldTimer.cpp.

int read_ms (  )

Get the time passed in milli-seconds.

Returns:
Time passed in milli seconds

Definition at line 54 of file OldTimer.cpp.

int read_us (  )

Get the time passed in micro-seconds.

Returns:
Time passed in micro seconds

Definition at line 46 of file OldTimer.cpp.

void reset (  )

Reset the timer to 0.

If it was already counting, it will continue

Definition at line 75 of file OldTimer.cpp.

void start (  )

Start the timer.

Definition at line 30 of file OldTimer.cpp.

void stop (  )

Stop the timer.

Definition at line 39 of file OldTimer.cpp.

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