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polyfractal 2016-12-30 18:23:32 -05:00
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215
component/os/os_dep/include/os_timer.h Normal file
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/******************************************************************************
*
* Name: sys-support.h - System type support for Linux
* $Revision: 1.1.1.1 $
*
*****************************************************************************/
#ifndef __OS_TIMER_H__
#define __OS_TIMER_H__
#include "diag.h"
#include "os_support.h"
#include "timers.h"
#define JIFFIES xTaskGetTickCount()
enum {
TIMER_NO_INIT = 0,
TIMER_INIT = 1,
TIMER_START = 2,
TIMER_DISABLE = 3
};
struct TIMER_LIST {
xTimerHandle TimeHdl;
u32 Flag;
unsigned long Data;
VOID (*Function)(void *);
u32 TimerID;
};
static inline VOID
InitTimer(
IN struct TIMER_LIST *Timer
)
{
#ifdef RTK_MODE_TIMER
u32 data = Timer->Data;
#endif
#ifndef PLATFORM_FREERTOS
u32 Flags;
#endif
u32 TimerID = Timer->TimerID;
VOID (*Function)(VOID *) = Timer->Function;
// xTimerHandle timer_handle;
#ifdef PLATFORM_FREERTOS
SaveAndCli();
#else
SaveAndCli(Flags);
#endif
if (Timer->Flag != TIMER_DISABLE) {
if (Timer->Flag == TIMER_NO_INIT) {
Timer->TimeHdl = xTimerCreate( (const char *)"Timer", // Just a test name, not used by the kernel.
( 100 ), // The timer period in ticks.
pdFALSE, // The timers will auto-reload themselves when they expire.
( void * ) TimerID, // Assign each timer a unique id equal to its array index.
Function
#ifdef RTK_MODE_TIMER
,data // Each timer calls the same callback when it expires.
#endif
);
if (NULL == Timer->TimeHdl) {
DBG_ERROR_LOG("\rInitial Timer fail !!!!!!!!!\n");
}
else {
TimerID++;
}
Timer->Flag = TIMER_INIT;
}
else if (Timer->Flag == TIMER_START) {
xTimerStop(Timer->TimeHdl,0);
Timer->Flag = TIMER_DISABLE;
}
}
#ifdef PLATFORM_FREERTOS
RestoreFlags();
#else
RestoreFlags(Flags);
#endif
}
static inline void
ModTimer(
IN struct TIMER_LIST *Timer,
IN u32 TimeoutTicks
)
{
#ifndef PLATFORM_FREERTOS
u32 Flags;
#endif
void (*Function)(void *) = Timer->Function;
#ifdef PLATFORM_FREERTOS
SaveAndCli();
#else
SaveAndCli(Flags);
#endif
if (Timer->Flag == TIMER_NO_INIT) {
if (Timer->Function) {
Timer->TimeHdl = xTimerCreate((const char *)"Timer", // Just a text name, not used by the kernel.
( 100 ), // The timer period in ticks.
pdFALSE, // The timers will auto-reload themselves when they expire.
( void * ) Timer->TimerID, // Assign each timer a unique id equal to its array index.
Function
#ifdef RTK_MODE_TIMER
,Timer->Data // Each timer calls the same callback when it expires.
#endif
);
if (NULL == Timer->TimeHdl) {
DBG_ERROR_LOG("\rInitial Timer fail !!!!!!!!!\n");
}
else {
Timer->TimerID++;
}
Timer->Flag = TIMER_INIT;
}
else {
//printf("###mod_timer() not initilized, timer->flag=%d timer->function=%p timeout_ticks=%llu###\n", timer->flag, timer->function, timeout_ticks);
#ifdef PLATFORM_FREERTOS
RestoreFlags();
#else
RestoreFlags(Flags);
#endif
return;
}
}
else if (Timer->Flag == TIMER_START) {
xTimerStop(Timer->TimeHdl,0);
Timer->Flag = TIMER_DISABLE;
}
TimeoutTicks -= xTaskGetTickCount();
if (TimeoutTicks <= 0)
TimeoutTicks = 2;
if (xTimerStart(Timer->TimeHdl, TimeoutTicks ))
Timer->Flag = TIMER_START;
else
DBG_ERROR_LOG("\r###mod_timer() - no slots available###\n");
#ifdef PLATFORM_FREERTOS
RestoreFlags();
#else
RestoreFlags(Flags);
#endif
}
static inline int
TimerPending (
IN const struct TIMER_LIST *Timer
)
{
if (Timer->TimeHdl && Timer->Flag != TIMER_NO_INIT)
return 1;
else
return 0;
}
static inline void
DelTimerSync(
IN struct TIMER_LIST *Timer
)
{
#ifdef PLATFORM_FREERTOS
SaveAndCli();
#else
u32 Flags;
SaveAndCli(Flags);
#endif
if (Timer->TimeHdl && Timer->Flag != TIMER_INIT) {
if (Timer->Flag == TIMER_START)
xTimerStop(Timer->TimeHdl, 0);
xTimerDelete(Timer->TimeHdl, 0);
Timer->Flag = TIMER_NO_INIT;
}
#ifdef PLATFORM_FREERTOS
RestoreFlags();
#else
RestoreFlags(Flags);
#endif
}
/*
* These inlines deal with timer wrapping correctly. You are
* strongly encouraged to use them
* 1. Because people otherwise forget
* 2. Because if the timer wrap changes in future you wont have to
* alter your driver code.
*
* time_after(a,b) returns true if the time a is after time b.
*
* Do this with "<0" and ">=0" to only test the sign of the result. A
* good compiler would generate better code (and a really good compiler
* wouldn't care). Gcc is currently neither.
*/
#define TIME_AFTER(a,b) ((long)(b) - (long)(a) < 0)
#define TIMER_BEFORE(a,b) TIME_AFTER(b,a)
#define TIME_AFTER_EQ(a,b) ((long)(a) - (long)(b) >= 0)
#define TIMER_BEFORE_EQ(a,b) TIME_AFTER_EQ(b,a)
#endif //__OS_TIMER_H__