I have a problem with the increase and decrease of the motor speed of the circuit, please help me because this is my graduation thesis. can you review and help me with the problem of speed reduction?
| Code C - [expand] | |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | #include <mega8.h> #define C0 PORTC.3 #define C1 PORTC.4 #define C2 PORTB.2 #define C3 PORTB.3 #define C4 PORTB.4 #define C5 PORTB.5 #define C PINC.0 #define B PINC.1 #define A PINC.2 #define Stop PIND.3 #define Back PIND.4 #define Foward PIND.5 //------------------------------------------------------------------ unsigned char a; int h; //------------------------------------------------------------------------- void CW(void) { //Phase 6: 001 // 010 010 if (((C==0)&&(B==0)&&(A==1))==1){C5=0;C4=0;C3=1; C2=0;C1=0;C0=1;}; //Phase 4: 010 // 001 001 if (((C==0)&&(B==1)&&(A==0))==1){C5=0;C4=1;C3=1; C2=0;C1=0;C0=0;}; //Phase 5: 011 // 011 000 if(((C==0)&&(B==1)&&(A==1))==1){C5=1;C4=0;C3=0; C2=1;C1=0;C0=0;}; //Phase 2: 100 // 100 100 if (((C==1)&&(B==0)&&(A==0))==1){C5=0;C4=0;C3=0; C2=1;C1=1;C0=0;}; //Phase 1: 101 // 000 110 if (((C==1)&&(B==0)&&(A==1))==1){C5=1;C4=0;C3=0; C2=0;C1=0;C0=1;}; //Phase 3: 110 // 100 001 if (((C==1)&&(B==1)&&(A==0))==1){C5=0;C4=1;C3=0; C2=0;C1=1;C0=0;}; } void CCW(void) { //ccw //Phase 6: 001 // 100 001 if (((C==0)&&(B==0)&&(A==1))==1){C5=0;C4=0;C3=0; C2=1;C1=1;C0=0;}; //Phase 4: 010 // 000 110 if (((C==0)&&(B==1)&&(A==0))==1){C5=1;C4=0;C3=0; C2=1;C1=0;C0=0;}; //Phase 5: 011 // 100 100 if (((C==0)&&(B==1)&&(A==1))==1){C5=0;C4=1;C3=1; C2=0;C1=0;C0=0;}; //Phase 2: 100 // 011 000 if (((C==1)&&(B==0)&&(A==0))==1){ C5=0;C4=0;C3=1; C2=0;C1=0;C0=1;}; //Phase 1: 101 // 001 001 if (((C==1)&&(B==0)&&(A==1))==1){C5=0;C4=1;C3=0; C2=0;C1=1;C0=0;}; //Phase 3: 110 // 010 010 if (((C==1)&&(B==1)&&(A==0))==1){C5=1;C4=0;C3=0; C2=0;C1=0;C0=1;}; } void STOP(void) { C5=0;C4=0;C3=0; C2=0;C1=0;C0=0;} // External Interrupt 0 service routine //---------------------------------------------------------- // External Interrupt 0 service routine interrupt [EXT_INT0] void ext_int0_isr(void) { // Place your code here STOP(); while(Stop==1); } #define FIRST_ADC_INPUT 0 #define LAST_ADC_INPUT 5 unsigned char adc_data[LAST_ADC_INPUT-FIRST_ADC_INPUT+1]; #define ADC_VREF_TYPE 0x20 // ADC interrupt service routine // with auto input scanning interrupt [ADC_INT] void adc_isr(void) { unsigned char input_index=0; // Read the 8 most significant bits // of the AD conversion result adc_data[input_index]=ADCH; // Select next ADC input if (++input_index > (LAST_ADC_INPUT-FIRST_ADC_INPUT)) input_index=0; ADMUX=(FIRST_ADC_INPUT|ADC_VREF_TYPE)+input_index; // Start the AD conversion ADCSRA|=0x40; } // Timer 2 overflow interrupt service routine interrupt [TIM2_OVF] void timer2_ovf_isr(void) { // Place your code here a=adc_data[5]; h=a; OCR1A=100*h; } // Declare your global variables here void main(void) { // Declare your local variables here // Input/Output Ports initialization // Port B initialization // Func7=In Func6=In Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=In // State7=T State6=T State5=0 State4=0 State3=0 State2=0 State1=0 State0=T PORTB=0x00; DDRB=0x3E; // Port C initialization // Func6=In Func5=In Func4=Out Func3=Out Func2=In Func1=In Func0=In // State6=T State5=T State4=0 State3=0 State2=T State1=T State0=T PORTC=000; DDRC=0x18; // Port D initialization // Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In // State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T PORTD=0x00; DDRD=0x00; // Timer/Counter 0 initialization // Clock source: System Clock // Clock value: Timer 0 Stopped TCCR0=0x00; TCNT0=0x00; // Timer/Counter 1 initialization // Clock source: System Clock // Clock value: 12000.000 kHz // Mode: Fast PWM top=ICR1 // OC1A output: Non-Inv. // OC1B output: Discon. // Noise Canceler: Off // Input Capture on Falling Edge // Timer 1 Overflow Interrupt: Off // Input Capture Interrupt: Off // Compare A Match Interrupt: Off // Compare B Match Interrupt: Off TCCR1A=0x82; TCCR1B=0x19; TCNT1H=0x00; TCNT1L=0x00; //ICR1H=0x00; //ICR1L=0x00; ICR1=20000; //T //OCR1AH=0x00; //OCR1AL=0x00; OCR1A=10000; //khoi tao OCR1BH=0x00; OCR1BL=0x00; // Timer/Counter 2 initialization // Clock source: System Clock // Clock value: 1500.000 kHz // Mode: Normal top=FFh // OC2 output: Disconnected ASSR=0x00; TCCR2=0x02; TCNT2=0x00; OCR2=0x00; // External Interrupt(s) initialization // INT0: On // INT0 Mode: Rising Edge // INT1: Off GICR|=0x40; MCUCR=0x03; GIFR=0x40; // Timer(s)/Counter(s) Interrupt(s) initialization TIMSK=0x40; // Analog Comparator initializationt // Analog Comparator: Off // Analog Comparator Input Capture by Timer/Counter 1: Off ACSR=0x80; SFIOR=0x00; // ADC initialization // ADC Clock frequency: 187.500 kHz // ADC Voltage Reference: AREF pin // Only the 8 most significant bits of // the AD conversion result are used ADMUX=FIRST_ADC_INPUT|ADC_VREF_TYPE; ADCSRA=0xCE; // Global enable interrupts #asm("sei") while (1) { // Place your code here if(Foward==1)CW(); if(Back==1) CCW(); }; } |
