timer.c

杭州利宇泰公司的基于44B0的ARMSys开发板上的大量源代码

#include <string.h>
#include "..\Target\44b.h"
#include "..\Target\44blib.h"
#include "timer.h"

void __irq Timer0Done(void);
void __irq Timer1Done(void);
void __irq Timer2Done(void);
void __irq Timer3Done(void);
void __irq Timer4Done(void);
void __irq Timer5Done(void);

/****************************************
 *  PWM Timer TOUT0/1/2/3/4 test	*
 ****************************************/
void Test_Timer(void)
{
    int save_E,save_PE;
    save_E=rPCONE;
    save_PE=rPUPE;
    rPCONE=0xaaa8;	//Tout0/1/2/3/4, RxD0, TxD0
    rPUPE |=0xf8;

    Uart_Printf("[Timer 0,1,2,3,4,5 Test]\n");
    Uart_Printf("Check PWM Output\n");
    Uart_Printf("MCLK=%dHz TIMER CLK=%dHz\n",MCLK,MCLK/4);
    Uart_Printf("TCNTBn=1000(PWM frequency=%dHz)\n",MCLK/4000);
    Uart_Printf("To exit PWM test mode, Press any key!!!\n");

			// T0/1/2/3/4
    rTCFG0=0x1010101;	// Prescaler0/1/2=1, Deadzone=1
    rTCFG1=0x0;		// Interrupt, Devider=1/2
			// Timer clock = (MCLK/1)/2

    rTCNTB0=1000;
    rTCNTB1=1000;
    rTCNTB2=1000;	// Total cont=1000 
    rTCNTB3=1000;
    rTCNTB4=1000;

    rTCMPB0=1000-700;
    rTCMPB1=1000-700;
    rTCMPB2=1000-700;	// L_count:700, H_count:300
    rTCMPB3=1000-700;
    rTCMPB4=1000-700;

    rTCON=0xaaaa0a;	//auto reload, inverter off, manual update, dead zone off
    rTCON=0x999909;	//start PWM operation

    Uart_Getch();   

    rTCON=0x0;		//Stop timer
    
    rPCONE=save_E;
    rPUPE=save_PE;
}



volatile int variable0,variable1,variable2,variable3,variable4,variable5;

/****************************************
 *  PWM Timer Interrupt0/1/2/3/4/5 test	*
 ****************************************/
void Test_TimerInt(void)
{
    variable0=0;variable1=0;variable2=0;variable3=0;variable4=0;variable5=0;

    rINTMSK=~(BIT_GLOBAL|BIT_TIMER0|BIT_TIMER1|BIT_TIMER2|BIT_TIMER3|BIT_TIMER4|BIT_TIMER5);
    pISR_TIMER0=(int)Timer0Done;
    pISR_TIMER1=(int)Timer1Done;
    pISR_TIMER2=(int)Timer2Done;
    pISR_TIMER3=(int)Timer3Done;
    pISR_TIMER4=(int)Timer4Done;
    pISR_TIMER5=(int)Timer5Done;

    Uart_Printf("[Timer0/1/2/3/4/5 Interrupt Test]\n");

    rTCFG0=0xf0f0f;	//dead zone=0,pre2=0xf,pre1=0xf,pre0=0xf
//    rTCFG1=0x401234;	//all interrupt,mux5=EXTCLK,mux2=1/2,mux3=1/4,mux2=1/8,mux1=1/16,mux0=1/32
    rTCFG1=0x01234;	//all interrupt,mux5=1/2,mux2=1/2,mux3=1/4,mux2=1/8,mux1=1/16,mux0=1/32
    
    rTCNTB0=0xffff;	//(1/(66MHz/15/32))*0xffff=0.48s
    rTCNTB1=0xffff;	//(1/(66MHz/15/16))*0xffff=0.24s
    rTCNTB2=0xffff;	//(1/(66MHz/15/8 ))*0xffff=0.12s
    rTCNTB3=0xffff;	//(1/(66MHz/15/4 ))*0xffff=0.06s
    rTCNTB4=0xffff;	//(1/(66MHz/15/2 ))*0xffff=0.03s
    rTCNTB5=0xffff;	//(1/(66MHz/15/2 ))*0xffff=0.03s
//    rTCNTB5=0xffff;	//(1/(1MHz)*0xffff=0.06s, EXTCLK

    rTCON=0x2222202;	//update T5/T4/T3/T2/T1/T0
    rTCON=0x5999901;	//T5/T4/T3/T2/T1=auto reload,T0=one shot,all_start

    while(variable0==0);     
	Delay(1);	   //To compensate timer error(<1 tick period)
    rTCON=0x0;	//all_stop

    if(variable5==16 && variable4==16 && variable3==8 && variable2==4 && variable1==2 && variable0==1)
//    if(variable5==8 && variable4==16 && variable3==8 && variable2==4 && variable1==2 && variable0==1)
	Uart_Printf("Timer0/1/2/3/4/5 interrupt Test --> OK\n");
    else
	Uart_Printf("Timer0/1/2/3/4/5 interrupt Test --> Fail\n");
    Uart_Printf("Timer0-%d(1),Timer1-%d(2),Timer2-%d(4),Timer3-%d(8),Timer4-%d(16),Timer5-%d(16)\n",
//    Uart_Printf("Timer0-%d(1),Timer1-%d(2),Timer2-%d(4),Timer3-%d(8),Timer4-%d(16),Timer5-%d(8)\n",
	variable0,variable1,variable2,variable3,variable4,variable5);

    rINTMSK=BIT_GLOBAL;   
}


void __irq Timer0Done(void)
{
    rI_ISPC=BIT_TIMER0;
    variable0++;    
}

void __irq Timer1Done(void)
{
    rI_ISPC=BIT_TIMER1;
    variable1++;    
}

void __irq Timer2Done(void)
{
    rI_ISPC=BIT_TIMER2;
    variable2++;    
}

void __irq Timer3Done(void)
{
    rI_ISPC=BIT_TIMER3;
    variable3++;    
}

void __irq Timer4Done(void)
{
    rI_ISPC=BIT_TIMER4;
    variable4++;    
}

void __irq Timer5Done(void)
{
    rI_ISPC=BIT_TIMER5;
    variable5++;    
}