comparison: firmware/main.c
firmware/main.c
- changeset 1
- d224ff5c155b
- parent 0
- bdcf2c76d86e
- child 2
- 114e1283d03a
equal
deleted
inserted
replaced
| 0:bdcf2c76d86e | 1:d224ff5c155b |
|---|---|
| 49 | 49 |
| 50 | 50 |
| 51 TCCR1A = (1<<WGM10)|(1<<COM1A1) // Set up the two Control registers of Timer1. | 51 TCCR1A = (1<<WGM10)|(1<<COM1A1) // Set up the two Control registers of Timer1. |
| 52 |(1<<COM1B1); // Wave Form Generation is Fast PWM 8 Bit, | 52 |(1<<COM1B1); // Wave Form Generation is Fast PWM 8 Bit, |
| 53 TCCR1B = (1<<WGM12) // OC1A and OC1B are cleared on compare match | 53 TCCR1B = (1<<WGM12) // OC1A and OC1B are cleared on compare match |
| 54 |(1<<CS10); // and set at BOTTOM. Clock Prescaler is 1024. | 54 |(1<<CS11); // and set at BOTTOM. Clock Prescaler is 1024. |
| 55 | 55 |
| 56 | 56 |
| 57 uint8_t i; | 57 uint8_t i; |
| 58 for(i = 0; i<5; i++) { | 58 for(i = 0; i<5; i++) { |
| 59 led(i); | 59 led(i); |
| 72 void pwm_update(void) { | 72 void pwm_update(void) { |
| 73 PORTB |= _BV(0); // switch on led driver | 73 PORTB |= _BV(0); // switch on led driver |
| 74 | 74 |
| 75 switch (mode) { | 75 switch (mode) { |
| 76 case 1: | 76 case 1: |
| 77 OCR1A = 63; // Dutycycle of OC1A = 25% | 77 OCR1A = 40; // Dutycycle of OC1A = 25% |
| 78 break; | 78 break; |
| 79 case 2: | 79 case 2: |
| 80 OCR1A = 127; // Dutycycle of OC1A = 50% | 80 OCR1A = 110; // Dutycycle of OC1A = 50% |
| 81 break; | 81 break; |
| 82 case 3: | 82 case 3: |
| 83 OCR1A = 189; // Dutycycle of OC1A = 75% | 83 OCR1A = 160; // Dutycycle of OC1A = 75% |
| 84 break; | 84 break; |
| 85 case 4: | 85 case 4: |
| 86 OCR1A = 255; // Dutycycle of OC1A = 100% | 86 OCR1A = 255; // Dutycycle of OC1A = 100% |
| 87 break; | 87 break; |
| 88 default: | 88 default: |
| 109 key_last = tmp; | 109 key_last = tmp; |
| 110 if (tmp) { | 110 if (tmp) { |
| 111 if (mode < 4) { | 111 if (mode < 4) { |
| 112 mode++; | 112 mode++; |
| 113 } else { | 113 } else { |
| 114 mode = 1; | 114 mode = 0; |
| 115 } | 115 } |
| 116 led(mode); | 116 led(mode); |
| 117 pwm_update(); | 117 pwm_update(); |
| 118 _delay_ms(50); | 118 _delay_ms(50); |
| 119 _delay_ms(50); | 119 _delay_ms(50); |
