示例#1
0
/*********************************************************************
* Function:         void InitSymbolTimer()
*
* PreCondition:     none
*
* Input:		    none
*
* Output:		    none
*
* Side Effects:	    TMR0 for PIC18 is configured for calculating
*                   the correct symbol times.  TMR2/3 for PIC24/dsPIC
*                   is configured for calculating the correct symbol
*                   times
*
* Overview:		    This function will configure the UART for use at 
*                   in 8 bits, 1 stop, no flowcontrol mode
*
* Note:			    The timer interrupt is enabled causing the timer
*                   roll over calculations.  Interrupts are required
*                   to be enabled in order to extend the timer to
*                   4 bytes in PIC18.  PIC24/dsPIC version do not 
*                   enable or require interrupts
********************************************************************/
void InitSymbolTimer()
{
#if defined(__18CXX)
    TMR_CON = 0b00000000 | CLOCK_DIVIDER_SETTING;
    TMR_IP = 1;
    TMR_IF = 0;
    TMR_IE = 1;
    TMR_ON = 1;

    timerExtension1 = 0;
    timerExtension2 = 0;
#elif defined(__dsPIC30F__) || defined(__dsPIC33F__) || defined(__PIC24F__) || defined(__PIC24FK__) || defined(__PIC24H__)
    T2CON = 0b0000000000001000 | CLOCK_DIVIDER_SETTING;
    T2CONbits.TON = 1;
#elif defined(__PIC32MX__)
    #if defined (SECOND_PROTOTYPE) //Timer 3 freed for ADC rjk
        CloseTimer4();
        WriteTimer4(0x00);
        WriteTimer5(0x00);
        WritePeriod5(0xFFFF);
        OpenTimer4((T4_ON|T4_32BIT_MODE_ON|CLOCK_DIVIDER_SETTING),0xFFFFFFFF);
    #else
        CloseTimer2();
        WriteTimer2(0x00);
        WriteTimer3(0x00);
        WritePeriod3(0xFFFF);
        OpenTimer2((T2_ON|T2_32BIT_MODE_ON|CLOCK_DIVIDER_SETTING),0xFFFFFFFF);
    #endif
#else
    #error "Symbol timer implementation required for stack usage."
#endif
}
void updateSensors(void)
{
    UINT8 i;
    shouldUpdateSensors = FALSE;

    WriteTimer2(0x0);

    for(i=0 ; i<6 ; i++)
    {
        updateStatusOfSensor(i);
    }
}
void interrupt ISR(void) {

    if(PIR1bits.TMR2IF == 1) { // if Timer2 Interrupt is occurred
        PIR1bits.TMR2IF = 0; // Clear the interrupt flag
        WriteTimer2(TMR2_value); // Update TMR2 value
        counter++;
        if(counter > 9999) {
            counter = 0;
            flag = 1;
        }
        
    }
}
void main(void) {
    
    TRISCbits.RC1 = 0;
    LATCbits.LATC1 = 0;

    OpenTimer2( TIMER_INT_ON    &
                T2_PS_1_16      &
                T2_POST_1_1);
    
    WriteTimer2(TMR2_value); // Write TMR2 value to Timer2 to count

    INTCONbits.GIE = 1; // Enables all unmasked interrupts
    INTCONbits.PEIE = 1; // Enables all unmasked peripheral interrupts
    
    while(1) { 
        if(flag == 1) {
            LATCbits.LATC1 = ~LATCbits.LATC1;
            flag = 0;
        }
    }
}
示例#5
0
//===================== Capture ==================== //
// Discharges capacitor, displays  and begins measurement of C1INA
static PT_THREAD (protothread_capture(struct pt *pt))
{
    PT_BEGIN(pt);
    while(1) {
    // sets pin 7 to an output
    mPORTBSetPinsDigitalOut(BIT_3);
    mPORTBClearBits(BIT_3);
    tft_setCursor(10, 50);
    tft_setTextColor(ILI9340_YELLOW);  tft_setTextSize(3);
    tft_writeString("Capacitance: ");
    
    //sets up for the capacitor reading
    char buffer[20];
    tft_setCursor(10, 90);
    tft_fillRect(10,90, 300, 100, ILI9340_BLACK);
    sprintf(buffer,"%.1f nF",cap);
    tft_setTextColor(ILI9340_WHITE);
    
    //displays the capacitor value if it is above the threshold of 1 nF
    if(cap < 1.0*(1-ERROR))
        tft_writeString("No capacitor");
    else
        tft_writeString(buffer);
    

    cap = 0.0;
    PT_YIELD_TIME_msec(1);
    
    //Clear timer and sets pin 7 as input
    WriteTimer2(0);    
    mPORTBSetPinsDigitalIn(BIT_3);
    
    PT_YIELD_TIME_msec(100);
    }
    PT_END(pt);
} // capture
示例#6
0
/*********************************************************************
* Function:         void InitSymbolTimer()
*
* PreCondition:     none
*
* Input:		    none
*
* Output:		    none
*
* Side Effects:	    TMR0 for PIC18 is configured for calculating
*                   the correct symbol times.  TMR2/3 for PIC24/dsPIC
*                   is configured for calculating the correct symbol
*                   times
*
* Overview:		    This function will configure the UART for use at 
*                   in 8 bits, 1 stop, no flowcontrol mode
*
* Note:			    The timer interrupt is enabled causing the timer
*                   roll over calculations.  Interrupts are required
*                   to be enabled in order to extend the timer to
*                   4 bytes in PIC18.  PIC24/dsPIC version do not 
*                   enable or require interrupts
********************************************************************/
void InitSymbolTimer()
{
#if defined(__18CXX)
    T0CON = 0b00000000 | CLOCK_DIVIDER_SETTING;
    INTCON2bits.TMR0IP = 1;
    INTCONbits.TMR0IF = 0;
    INTCONbits.TMR0IE = 1;
    T0CONbits.TMR0ON = 1;

    timerExtension1 = 0;
    timerExtension2 = 0;
#elif defined(__dsPIC30F__) || defined(__dsPIC33F__) || defined(__PIC24F__) || defined(__PIC24FK__) || defined(__PIC24H__)
    T2CON = 0b0000000000001000 | CLOCK_DIVIDER_SETTING;
    T2CONbits.TON = 1;
#elif defined(__PIC32MX__)
    CloseTimer2();
    WriteTimer2(0x00);
    WriteTimer3(0x00);
    WritePeriod3(0xFFFF);
    OpenTimer2((T2_ON|T2_32BIT_MODE_ON|CLOCK_DIVIDER_SETTING),0xFFFFFFFF);     
#else
    #error "Symbol timer implementation required for stack usage."
#endif
}
示例#7
0
void main(void) {
    uint16_t v;
    uint8_t i;
    int16_t pad;
    uint32_t padsNow=0;
    uint32_t padsLast=0;
    int8_t  lastKey;
    uint8_t cnt=0;
    uint16_t lastEncValue;
    uint8_t encStep;
    int16_t senseDelta;
    uint8_t easteregg;

    SetupBoard();
    SetupCTMU();

    encStep=1;
    encValue=0;
    lastEncValue=0;
    octave=3;
    encMin=0;
    encMax=14;
    senseDelta=99;
    OpenTimer4(TIMER_INT_ON & T4_PS_1_1 & T4_POST_1_1); // Timer4 - Rotary Encoder polling
    WriteTimer4(0xFF);

    TMR4IF=0;
    OpenTimer2(TIMER_INT_ON & T2_PS_1_4 & T2_POST_1_8); // Timer2 = Display Refresh
    WriteTimer2(0xFF);
    TMR2IF=0;

    GIE=1;
    PEIE=1;
    ei();

    disp[0]=0x00;
    disp[1]=0x00;
    disp[2]=0x00;

    keys=0;
    easteregg=0;

    leds=0x7fff;
    __delay_ms(25);
    leds=0x0000;
    CalibratePads();
    leds=0x7fff;
    __delay_ms(25);
    leds=0x0000;


//
//    encMin=1;
//    encMax=24;
//    encValue=1;
//    for (;;) {
//        pad=ReadPad(encValue);
//        DispValue(pad);
//        leds=0;
//        if ((encValue>=1) && (encValue<=9))   {setbit(leds,encValue-1);   setbit(leds,10);}
//        if ((encValue>=10) && (encValue<=19)) {setbit(leds,encValue-10);setbit(leds,11);}
//        if ((encValue>=20) && (encValue<=29)) {setbit(leds,encValue-20);setbit(leds,12);}
//        __delay_ms(25);
//    }



    for (;;) {
        // Check for tones H+A+D
        if (padsLast==0b000000000000101000000100) EasterEgg(1);
        if (padsLast==0b101000000100000000000000) EasterEgg(2);

        padsNow=0;
        for (i=0; i<PADS; i++) {
            pad=ReadPad(i);
            if (GetPadBaseValue(i)-pad>senseDelta) {
                setbit(padsNow,i);
            }
        }
        for (i=0; i<PADS; i++) {
            if (testbit(padsNow,i) != testbit(padsLast,i)) {
                if (testbit(padsNow,i)) {
                    SendNoteOn(octave*12+i);
                } else {
                    SendNoteOff(octave*12+i);
                }
            }
        }
        padsLast=padsNow;

        for (i=0; i<KEYS; i++) {
            if (testbit(keys,i)) {
                disp[0]=charmap[butSettings[i].txt[0]-32];
                disp[1]=charmap[butSettings[i].txt[1]-32];
                disp[2]=charmap[butSettings[i].txt[2]-32];
                lastKey=i;
                encMin=butSettings[i].min;
                encMax=butSettings[i].max;
                encValue=butSettings[i].value;
                encStep=butSettings[i].stepSize;
                lastEncValue=encValue;
                break;
            }
        }

        if ((encValue!=lastEncValue) && (lastKey!=-1)) {
            lastEncValue=encValue;
            if (butSettings[lastKey].cc==127) {  // OCTAVE
                DispValue(encValue*encStep);
                octave=encValue;
                butSettings[lastKey].value=encValue;
                DispValue(encValue*encStep);
            } else if (butSettings[lastKey].cc==126) {  // SENSE DELTA
                senseDelta=encValue;
                butSettings[lastKey].value=senseDelta;
                DispValue(senseDelta);
                if (senseDelta&1) setbit(leds,0); else clrbit(leds,0);
            } else {
                SendCC(butSettings[lastKey].cc, encValue*encStep);
                DispValue(encValue*encStep);
            }
        }


        __delay_ms(10);

    }
}