timer.c File Reference

#include "timer.h"
#include "libhw/hardware.h"
#include "libnotify/notify.h"
#include "inc/hw_memmap.h"
#include "inc/hw_ints.h"
#include <stdlib.h>
#include "driverlib/pin_map.h"
#include "driverlib/timer.h"
#include "driverlib/sysctl.h"

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Macros
#define	TIMER_DEFAULT_PRIORITY   0

Functions
void	timer_add_interrupt (hw_metadata metadata)

Macro Definition Documentation

#define TIMER_DEFAULT_PRIORITY   0

Definition at line 16 of file timer.c.

Referenced by timer_add_interrupt().

Function Documentation

void timer_add_interrupt

(

hw_metadata

metadata

)

Schedule a task (function) to be invoked periodically.

Parameters

Metadata

regarding the timer peripheral and isr to use.

Definition at line 18 of file timer.c.

References hw_timer_metadata::base, hw_timer_metadata::frequency, IntEnable(), hw_timer_metadata::interrupt, hw_timer_metadata::periodic, SysCtlClockGet(), hw_metadata::timer, TIMER_A, TIMER_DEFAULT_PRIORITY, TIMER_TIMA_TIMEOUT, TimerConfigure(), TimerEnable(), TimerIntEnable(), and TimerLoadSet().

Referenced by hw_channel_init().

                                               {

    TimerConfigure(metadata.timer.base, metadata.timer.periodic);
    TimerLoadSet(metadata.timer.base, TIMER_A, SysCtlClockGet() / metadata.timer.frequency);
    TimerIntEnable(metadata.timer.base, TIMER_TIMA_TIMEOUT);
    IntEnable(metadata.timer.interrupt, TIMER_DEFAULT_PRIORITY);
    TimerEnable(metadata.timer.base, TIMER_A);
}

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