www.pudn.com > HT1621Control.rar > scheduler.c

/*C************************************************************************** 
* NAME:         scheduler.c 
*---------------------------------------------------------------------------- 
* Copyright (c) 2006 Atmel. 
*---------------------------------------------------------------------------- 
* RELEASE:      C51 Sample       
* REVISION:     1.00      
*---------------------------------------------------------------------------- 
* 
*****************************************************************************/ 
#include "system\reg51.h" 
#include "system\compiler.h" 
#include "system\config.h" 
#include "scheduler.h"                      /* scheduler definition */ 
#include "task\kbd_task.h" 
#include "task\disp_task.h" 
#include "task\dts_task.h" 
 
/*F************************************************************************** 
* NAME:     sch_scheduler_init 
*---------------------------------------------------------------------------- 
* PARAMS: 
* 
* return: 
*---------------------------------------------------------------------------- 
* PURPOSE:  
*   Scheduler initialization 
*---------------------------------------------------------------------------- 
* EXAMPLE: 
*---------------------------------------------------------------------------- 
* NOTE: 
*   Task_x_init() and Task_x_fct() are defined in scheduler.h 
*---------------------------------------------------------------------------- 
* REQUIREMENTS: 
*****************************************************************************/ 
void sch_scheduler_init (void) 
{ 
	Task_1_init(); 
	Task_2_init(); 
	Task_3_init(); 
	DelayX10ms(150);    
	Task_4_init();   
	Task_5_init();   
	Task_6_init();   
	Task_7_init();   
	Task_8_init();   
	Task_9_init();   
	Task_10_init(); 
//  sch_time_init();                /* start time base */ 
} 
 
/*F************************************************************************** 
* NAME:     sch_scheduler 
*---------------------------------------------------------------------------- 
* PARAMS: 
* 
* return: 
*---------------------------------------------------------------------------- 
* PURPOSE: 
*   Task execution scheduler  
*---------------------------------------------------------------------------- 
* EXAMPLE: 
*---------------------------------------------------------------------------- 
* NOTE: 
*---------------------------------------------------------------------------- 
* REQUIREMENTS: 
*****************************************************************************/ 
void sch_scheduler (void) 
{ 
	while (1) 
  	{ 
		Task_1_fct(); 
		Task_2_fct(); 
		Task_3_fct(); 
		Task_4_fct(); 
		Task_5_fct(); 
		Task_6_fct(); 
		Task_7_fct(); 
		Task_8_fct(); 
		Task_9_fct(); 
		Task_10_fct(); 
	} 
} 
 
/*F************************************************************************** 
* NAME:     sch_time_init 
*---------------------------------------------------------------------------- 
* PARAMS: 
* 
* return: 
*---------------------------------------------------------------------------- 
* PURPOSE: 
*   Scheduler time base (timer 0) initialization 
*---------------------------------------------------------------------------- 
* EXAMPLE: 
*---------------------------------------------------------------------------- 
* NOTE: 
*   mode 16-bit Timer, Time counter 
*   T0_PRIO to be defined in config.h 
*   TIM_LOW & TIM_HIGH defined in scheduler.h 
*---------------------------------------------------------------------------- 
* REQUIREMENTS: 
*****************************************************************************/ 
void sch_timer0_init (void) 
{ 
	TMOD = TMOD |0x01; 
	TL0 = TIM_LOW; 
	TH0 = TIM_HIGH; 
	//T0_enable_int();              /* enable interrupt */ 
	IE = IE | 0x82; 
	//T0_start();                   /* start time base */ 
	TR0 = High; 
	ET0 = High; 
	EA = High; 
}  
/*F************************************************************************** 
* NAME:     timer0 
*---------------------------------------------------------------------------- 
* PARAMS: 
* 
* return: 
*---------------------------------------------------------------------------- 
* PURPOSE: 
*   Timer 0 interrupt function 
*---------------------------------------------------------------------------- 
* EXAMPLE: 
*---------------------------------------------------------------------------- 
* NOTE: 
*---------------------------------------------------------------------------- 
* REQUIREMENTS: 
******************************************************************************/ 
void timer0(void) interrupt 1 using 2   
{ 
	TL0 = TIM_LOW;                /* reload timer */  
	TH0 = TIM_HIGH; 
  /* increment task tick counters */ 
	gl_cpt_tick++;                /* general timer */ 
	gl_kbd_tick++;                /* keyboard timer */ 
	gl_act_tick++;				/* Inactivity TIMER */ 
	vol_tick++; 
	disp_tick++; 
	touch_tick++; 
	if(gl_cpt_tick> 50){ 
	 	P1_5 = ~P1_5; 
	 	gl_cpt_tick = 0; 
	 	} 
	if(gl_kbd_tick >150)  gl_kbd_tick = 0; 
	if(gl_act_tick >150)  gl_act_tick = 0; 
	if(vol_tick >1000)  vol_tick = 0; 
	if(disp_tick >150)  disp_tick = 0; 
	if(touch_tick >150)  touch_tick = 0; 
 
} 
 
/*F************************************************************************** 
* NAME: System_init 
*---------------------------------------------------------------------------- 
* PARAMS: 
* 
* return: 
*---------------------------------------------------------------------------- 
* PURPOSE:  
*---------------------------------------------------------------------------- 
* EXAMPLE: 
*---------------------------------------------------------------------------- 
* NOTE: 
*---------------------------------------------------------------------------- 
* REQUIREMENTS: 
*****************************************************************************/ 
void System_init (void) 
{ 
	I2c_init(); 
 
	DtsMen_flag = Low; 
	Mem_add = Mem_StartAdd; /* DTS setp at 24c02 start address */ 
	DtsMen_flag = Low;		/* DTS mem pointer flag initializtion */ 
	dts_frequency = DTS_FreStart;		/* DTS frequency value initializtion */ 
	 
	gl_kbd_tick = 0x00; 
	gl_cpt_tick = 0x00; 
	gl_act_tick = 0x00; 
	vol_tick = 0x00; 
	disp_tick = 0x00; 
} 
 
/*F************************************************************************** 
* NAME: System_init 
*---------------------------------------------------------------------------- 
* PARAMS: 
* 
* return: 
*---------------------------------------------------------------------------- 
* PURPOSE:  
*---------------------------------------------------------------------------- 
* EXAMPLE: 
*---------------------------------------------------------------------------- 
* NOTE: 
*---------------------------------------------------------------------------- 
* REQUIREMENTS: 
*****************************************************************************/ 
void Tick_init (void) 
{ 
	gl_kbd_tick = 0x00; 
	gl_cpt_tick = 0x00; 
	gl_act_tick = 0x00; 
	vol_tick = 0x00; 
	disp_tick = 0x00; 
	touch_tick = 0x00; 
}