pulse.c

根据Jean J. Labrosse的dio嵌入式构件

/*
*********************************************************************************************************
*                                          Pulse Generator control Module
*
*                        (c) Copyright 2006-08-01, XXXXXXXXXXXXXXXXX Corp., ltd, 
*                                           All Rights Reserved
*
*                                                  V1.00
*
* File : pulse.c
* By   : z.x.s
*********************************************************************************************************
*/
#define PUSLE_GLOBALS
#include "includes.h"


sbit RUNFLG  = P1^7;
/*
*********************************************************************************************************
*                                         hardware abstract layer functions
*********************************************************************************************************
*/
//串口寄存器初始化
void InitUart()
{
	RCAP2H=BAUDH;
	RCAP2L=BAUDL;
	T2CON=0x34;       								/*启动T2,选择T2作波特率发生器*/
	T2MOD=0;
    SCON=0x50;//0x52
	PCON=0x00;
	PS = 1;
	TI = 1;
	ES = 0;											/*the interrupt disable*/
}
//定时器0寄存器初始化
void InitTimer0()
{
	TMOD |= 0x01;									/*set timer 1ms when cpu at 11.0592MHz*/
	TH0 = Timer0H;										
	TL0 = Timer0L;
	TR0 = 1;										/*TR0 is set*/
	ET0 = 1;										/*the interrupt enable*/
}
//串口中断服务函数
ComIntISR() interrupt 4 using 1
{
	EA = 0;
	EA = 1;
}
//定时器0中断服务函数
Timer0IntISR() interrupt 1 using 2
{
	TH0=Timer0H;
	TL0=Timer0L;									/*重置定时器*/

	RUNFLG = ~RUNFLG;
	DIOTaskDlyFlg = TRUE;
}
/*
*********************************************************************************************************
*                                         Application layer functions
*********************************************************************************************************
*/
//系统硬件资源初始化
void InitHardWare(void)
{
	EA = 0;
	InitUart();										/*串口初始化*/
	InitTimer0();									/*定时器0初始化*/
	EA = 1;											/*开中断*/
}
void InitUserVar(void)
{
	DIOTaskDlyCnt = DIO_TASK_DLY_TICKS;
	DIOTaskDlyFlg = 0;
}
/*
*********************************************************************************************************
*                                         Main Entry
*********************************************************************************************************
*/
void main(void)
{
	InitHardWare();
	InitUserVar();
	DIOInit();

	DOSetSyncCtrMax(100);
	DOCfgMode(0,                           /*
                                           * the discrete output channel(0..DIO_MAX_DO-1)
										   */ 
			  DO_MODE_BLINK_ASYNC,         /*
                                           * DO_MODE_LOW              output is forced LOW
                                           * DO_MODE_HIGH             output is forced HIGH
                                           * DO_MODE_DIRECT           output is based on state of DOBypass
                                           * DO_MODE_BLINK_SYNC       output will be blinking synchronously with DOSyncCtr
                                           * DO_MODE_BLINK_ASYNC      output will be blinking based on DOA and DOB
										   */
			  FALSE);                         /*
                                           * indicates whether the output will be inverted.TRUE:yes FALSE:no
                                          */ 
	DOCfgMode(1,DO_MODE_BLINK_ASYNC,0);
	DOCfgMode(2,DO_MODE_BLINK_ASYNC,0);
	DOCfgMode(3,DO_MODE_BLINK_ASYNC,0);
	DOCfgMode(4,DO_MODE_BLINK_ASYNC,0);
	DOCfgMode(5,DO_MODE_BLINK_ASYNC,0);
	DOCfgMode(6,DO_MODE_BLINK_ASYNC,0);


	DOCfgBlink(0,                         /*
                                          * is the discrete output channel (0..DIO_MAX_DO-1).
                                          */ 
	           DO_BLINK_EN,               /*
                                           * DO_BLINK_EN         Blink is always enabled
                                           * DO_BLINK_EN_NORMAL  Blink depends on user request's state
                                           * DO_BLINK_EN_INV     Blink depends on the complemented user request's state
                                          */
			   1,                        /*
                                           * is the ON  time relative to how often the DIO task executes  (1..250)
										   * 1 * 500us(task excute time)
                                          */
			   2);                      /*
                                           * is the ON  time relative to how often the DIO task executes  (1..250)
										   * 2 * 500us
                                          */    
	DOCfgBlink(1,DO_BLINK_EN,2,3);
	DOCfgBlink(2,DO_BLINK_EN,2,4);
	DOCfgBlink(3,DO_BLINK_EN,2,5);
	DOCfgBlink(4,DO_BLINK_EN,2,6);
	DOCfgBlink(5,DO_BLINK_EN,2,7);
	DOCfgBlink(6,DO_BLINK_EN,2,8);
	for(;;)DIOTask();
}