📄 pwm.c
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#include <string.h>
#include <math.h>
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\def.h"
#include "..\inc\pwm.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);
volatile int variable0,variable1,variable2,variable3,variable4,variable5;
/****************************************
* PWM Timer TOUT0/1/2/3/4 test *
****************************************/
/*TCON :Timer control register
B26:timer 5 auto reload on/off 0->one short 1->interval mode(auto reload)
B25:timer 5 manual update 0->no operation, 1->updata TCNTB5
B24:timer 5 start/stop 0->STOP , 1->START
B23:timer 4 auto reload on/off 0->one short 1->interval mode(auto reload)
B22:timer 4 output inverter on /off 0->invert off 1->invert on for timer4
B21:timer 4 manual update 0->no operation, 1->updata TCNTB4,TCMPB4
B20:timer 4 start/stop 0->STOP , 1->START
B19:timer 3 auto reload on/off 0->one short 1->interval mode(auto reload)
B18:timer 3 output inverter on /off 0->invert off 1->invert on for timer3
B17:timer 3 manual update 0->no operation, 1->updata TCNTB3,TCMPB3
B16:timer 3 start/stop 0->STOP , 1->START
B15:timer 2 auto reload on/off 0->one short 1->interval mode(auto reload)
B14:timer 2 output inverter on /off 0->invert off 1->invert on for timer2
B13:timer 2 manual update 0->no operation, 1->updata TCNTB2,TCMPB2
B12:timer 2 start/stop 0->STOP , 1->START
B11:timer 1 auto reload on/off 0->one short 1->interval mode(auto reload)
B10:timer 1 output inverter on /off 0->invert off 1->invert on for timer1
B09:timer 1 manual update 0->no operation, 1->updata TCNTB1,TCMPB1
B08:timer 1 start/stop 0->STOP , 1->START
B04:dead zone operation, 0->disable , 1->enable
B03:timer 0 auto reload on/off 0->one short 1->interval mode(auto reload)
B02:timer 0 output inverter on /off 0->invert off 1->invert on for timer0
B01:timer 0 manual update 0->no operation, 1->updata TCNTB0,TCMPB0
B00:timer 0 start/stop 0->STOP , 1->START
*/
void Test_TimerInt(void)
{
int intTemp;
int save_E,save_PE,save_DE;
save_DE=rPDATE;
save_E=rPCONE;
save_PE=rPUPE;
variable0=0;variable1=0;variable2=0;variable3=0;variable4=0;variable5=0;
intTemp=rINTMSK;
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=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
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
Uart_Printf("Timer0-%d(1),Timer1-%d(2),Timer2-%d(4),Timer3-%d(8),Timer4-%d(16),Timer5-%d(16)\n",
variable0,variable1,variable2,variable3,variable4,variable5);
if((variable5==16) && (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");
rTCON=0x0; //Stop timer
rPCONE=save_E;
rPUPE=save_PE;
rPDATE=save_DE;
rINTMSK=intTemp;
}
/*
void Test_Timer(void)
{
int save_E,save_PE,save_DE;
save_DE=rPDATE;
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; // Total cont=1000
rTCNTB1=1000;
rTCNTB2=1000;
rTCNTB3=1000;
rTCNTB4=1000;
rTCMPB0=1000-700; // L_count:700, H_count:300
rTCMPB1=1000-700;
rTCMPB2=1000-700;
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;
rPDATE=save_DE;
}
*/
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++;
}
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