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Timer

Timer. TON: Timer 開關 1:ON 0:OFF PR1: Timer 計數值設定 TSIDL: 休眠模式 1: 休眠 0: 不休眠 TMR1: Timer 內計數值 TGATE: 閘控模式選擇 TSYNC: 選擇 16 位元同步或非同步計數器 TCS: 選擇計數源 0: 內頻 1: 外頻 TCKKSP: 除頻 00 = 1:1 prescale value 01 = 1:8 prescale value 10 = 1:64 prescale value

phyllis-jefferson
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Timer

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  1. Timer

  2. TON: Timer 開關 1:ON 0:OFF PR1: Timer計數值設定 TSIDL: 休眠模式 1:休眠 0:不休眠 TMR1: Timer內計數值 TGATE: 閘控模式選擇 TSYNC: 選擇16位元同步或非同步計數器 TCS: 選擇計數源 0:內頻 1:外頻 TCKKSP: 除頻 00 = 1:1 prescale value 01 = 1:8 prescale value 10 = 1:64 prescale value 11 = 1:256 prescale value

  3. timer1

  4. /* timer計數 */ • #include <p30F4011.h> //呼叫p30F4011(IC)指令巨集 • #include <timer.h> • unsigned int i=0; • unsigned int x=0x20,y=0; • _FWDT(WDT_OFF); //關閉看門狗 • void Init_Timer1( void ) • { • T1CON = 0; //TIMER1 OFF • IFS0bits.T1IF = 0; //中斷旗標 • IPC0bits.T1IP = 7; //中斷優先權設定 • IEC0bits.T1IE = 1; //中斷觸發暫存器 • T1CONbits.TCS = 0; • T1CONbits.TCKPS=1; //TCKPS<1:0>: Timer Input Clock Prescale Select bits • //11 = 1:256 prescale value • //10 = 1:64 prescale value • //01 = 1:8 prescale value • //00 = 1:1 prescale value • PR1 = 1250; // ((10MHz*8[選擇的8倍頻])/4[內部除頻])/8/1250=2KHz 中斷為0.5ms • T1CONbits.TON=1; //TIMER1 ON • }

  5. /* timer中斷副程式 */ • void _ISR _T1Interrupt(void) • { • if(i==2000) //0.5ms*2000=1s • { • PORTB =0x1c+x; • x+=0x20; • if(x>0x130) • x=0x00; • i=0; • } • else • i++; • IFS0bits.T1IF = 0 ; //清除中斷旗標 • } • /* 主程式 */ • int main(void) • { • TRISB = 0x0000 ; // 0B 0000 0000 0000 0000 • PORTB=0x1c; // "1"=>input • // "0"=>output • Init_Timer1(); • while(1); • }

  6. timer2

  7. /* timer2 */ • #include <p30F4011.h> //呼叫p30F4011(IC)指令巨集 • #include <timer.h> • int IntCount=0; • _FWDT(WDT_OFF); //關閉看門狗 • void Init_Timer2( void ) • { • T2CON = 0; //TIMER2 OFF • IFS0bits.T2IF = 0; //中斷旗標 • IPC1bits.T2IP = 7; //中斷優先權設定 • IEC0bits.T2IE = 1; //中斷觸發暫存器 • T2CONbits.TCS = 0; • T2CONbits.TCKPS=1; //TCKPS<1:0>: Timer Input Clock Prescale Select bits • //11 = 1:256 prescale value //10 = 1:64 prescale value • //01 = 1:8 prescale value • //00 = 1:1 prescale value PR2 = 1250; // ((10MHz*8[選擇的8倍頻])/4[內部除頻])/8/1250=2KHz 中斷為0.5ms • T2CONbits.TON=1; // TIMER2 ON • }

  8. /*timer2 中斷 */ • void _ISR _T2Interrupt(void) • { • IntCount++; • if (IntCount<20) • PORTBbits.RB0=1; //PORTB的RB0輸出 • else if (IntCount<40) • PORTBbits.RB0=0; • else • IntCount=0; • IFS0bits.T2IF = 0; //清除中斷旗標 • } • int main(void) • { • TRISB = 0x0000 ; // 0B 0000 0000 0000 0000 • // "1"=>input • // "0"=>output • Init_Timer2(); • while(1); • }

  9. timer3

  10. /* timer3 */ • #include <p30F4011.h> //呼叫p30F4011(IC)指令巨集 • #include <timer.h> • int IntCount=0; • _FWDT(WDT_OFF); //關閉看門狗 • void Init_Timer3( void ) • { • T3CON = 0; //TIMER3 OFF • IFS0bits.T3IF = 0; //中斷旗標 • IPC1bits.T3IP = 7; //中斷優先權設定 • IEC0bits.T3IE = 1; //中斷觸發暫存器 • T3CONbits.TCS = 0; • T3CONbits.TCKPS=1; //TCKPS<1:0>: Timer Input Clock Prescale Select bits • //11 = 1:256 prescale value //10 = 1:64 prescale value • //01 = 1:8 prescale value • //00 = 1:1 prescale value PR3 = 1250; // ((10MHz*8[選擇的8倍頻])/4[內部除頻])/8/1250=2KHz 中斷為0.5ms • T3CONbits.TON=1; // TIMER3 ON • }

  11. /*timer3 中斷 */ • void _ISR _T3Interrupt(void) • { • IntCount++; • if (IntCount<20) • PORTBbits.RB0=1; //PORTB的RB0輸出 • else if (IntCount<40) • PORTBbits.RB0=0; • else • IntCount=0; • IFS0bits.T3IF = 0; //清除中斷旗標 • } • int main(void) • { • TRISB = 0x0000 ; // 0B 0000 0000 0000 0000 • // "1"=>input • // "0"=>output • Init_Timer3(); • while(1); • }

  12. timer4

  13. /* timer4 */ • #include <p30F4011.h> //呼叫p30F4011(IC)指令巨集 • #include <timer.h> • int IntCount=0; • _FWDT(WDT_OFF); //關閉看門狗 • void Init_Timer4( void ) • { • T4CON = 0; //TIMER4 OFF • IFS1bits.T4IF = 0; //中斷旗標 • IPC5bits.T4IP = 7; //中斷優先權設定 • IEC1bits.T4IE = 1; //中斷觸發暫存器 • T4CONbits.TCS = 0; • T4CONbits.TCKPS=1; //TCKPS<1:0>: Timer Input Clock Prescale Select bits • //11 = 1:256 prescale value //10 = 1:64 prescale value • //01 = 1:8 prescale value • //00 = 1:1 prescale value PR4 = 1250; // ((10MHz*8[選擇的8倍頻])/4[內部除頻])/8/1250=2KHz 中斷為0.5ms • T4CONbits.TON=1; // TIMER4 ON • }

  14. /*timer4 中斷 */ • void _ISR _T4Interrupt(void) • { • IntCount++; • if (IntCount<20) • PORTBbits.RB0=1; //PORTB的RB0輸出 • else if (IntCount<40) • PORTBbits.RB0=0; • else • IntCount=0; • IFS1bits.T4IF = 0; //清除中斷旗標 • } • int main(void) • { • TRISB = 0x0000 ; // 0B 0000 0000 0000 0000 • // "1"=>input • // "0"=>output • Init_Timer4(); • while(1); • }

  15. timer5

  16. /* timer5 */ • #include <p30F4011.h> //呼叫p30F4011(IC)指令巨集 • #include <timer.h> • int IntCount=0; • _FWDT(WDT_OFF); //關閉看門狗 • void Init_Timer5( void ) • { • T5CON = 0; //TIMER5 OFF • IFS1bits.T5IF = 0; //中斷旗標 • IPC5bits.T5IP = 7; //中斷優先權設定 • IEC1bits.T5IE = 1; //中斷觸發暫存器 • T5CONbits.TCS = 0; • T5CONbits.TCKPS=1; //TCKPS<1:0>: Timer Input Clock Prescale Select bits • //11 = 1:256 prescale value //10 = 1:64 prescale value • //01 = 1:8 prescale value • //00 = 1:1 prescale value PR5 = 1250; // ((10MHz*8[選擇的8倍頻])/4[內部除頻])/8/1250=2KHz 中斷為0.5ms • T5CONbits.TON=1; // TIMER5 ON • }

  17. /*timer5 中斷 */ • void _ISR _T5Interrupt(void) • { • IntCount++; • if (IntCount<20) • PORTBbits.RB0=1; //PORTB的RB0輸出 • else if (IntCount<40) • PORTBbits.RB0=0; • else • IntCount=0; • IFS1bits.T5IF = 0; //清除中斷旗標 • } • int main(void) • { • TRISB = 0x0000 ; // 0B 0000 0000 0000 0000 • // "1"=>input • // "0"=>output • Init_Timer5(); • while(1); • }

  18. 請設計一個2秒向右移的跑馬燈，並顯示在LED上請設計一個2秒向右移的跑馬燈，並顯示在LED上

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