comparison: blackbox/lowlevel.c
blackbox/lowlevel.c
- changeset 3
- 1a0ef40ef458
- parent 2
- 6c59b4293fa9
- child 4
- 58529e14c45c
equal
deleted
inserted
replaced
| 2:6c59b4293fa9 | 3:1a0ef40ef458 |
|---|---|
| 1 #include <avr/interrupt.h> | 1 #include <avr/interrupt.h> |
| 2 #include <avr/pgmspace.h> | 2 #include <avr/pgmspace.h> |
| 3 #include <util/delay.h> | 3 #include <util/delay.h> |
| 4 #include "stdint.h" | 4 #include "stdint.h" |
| 5 #include "main.h" | 5 #include "main.h" |
| 6 #include "driver/adc.h" | |
| 6 #include "driver/rs232.h" | 7 #include "driver/rs232.h" |
| 8 #include "lowlevel.h" | |
| 7 | 9 |
| 8 void LED(uint8_t num, uint8_t state) { | 10 void LED(uint8_t num, uint8_t state) { |
| 9 switch (num) { | 11 switch (num) { |
| 10 case 1: switch (state) { | 12 case 1: switch (state) { |
| 11 case 0: LED1_PORT &= ~_BV(LED1); break; | 13 case 0: LED1_PORT &= ~_BV(LED1); break; |
| 37 case 2: LED5_PORT ^= _BV(LED5); break; | 39 case 2: LED5_PORT ^= _BV(LED5); break; |
| 38 } break; | 40 } break; |
| 39 } | 41 } |
| 40 } | 42 } |
| 41 | 43 |
| 44 void init_hardware(void) { | |
| 45 RS232_init(); // initialize RS485 interface | |
| 46 RS232_puts_p(PSTR("CARRERA beta loading\n")); | |
| 47 | |
| 48 initADC(); | |
| 49 | |
| 50 // set LED output | |
| 51 DDR(LED1_PORT) |= _BV(LED1); | |
| 52 DDR(LED2_PORT) |= _BV(LED2); | |
| 53 DDR(LED3_PORT) |= _BV(LED3); | |
| 54 DDR(LED4_PORT) |= _BV(LED4); | |
| 55 DDR(LED5_PORT) |= _BV(LED5); | |
| 56 | |
| 57 // set Controller Input Pull-UPs | |
| 58 CONTROLLER_PORT |= (_BV(CONTROLLER1_SW) | _BV(CONTROLLER2_SW) | _BV(CONTROLLER3_SW) | _BV(CONTROLLER4_SW)); | |
| 59 | |
| 60 // switch pull-ups | |
| 61 SW_FUEL_PORT |= _BV(SW_FUEL); | |
| 62 | |
| 63 //RAIL_DETECT_PORT |= _BV(RAIL_DETECT); // enable internal pull-up | |
| 64 DDR(RAIL_POWER_PORT) |= _BV(RAIL_POWER); | |
| 65 | |
| 66 | |
| 67 LED(1, 1); _delay_ms(50); | |
| 68 LED(2, 1); _delay_ms(50); | |
| 69 LED(3, 1); _delay_ms(50); | |
| 70 LED(4, 1); _delay_ms(50); | |
| 71 LED(5, 1); _delay_ms(50); | |
| 72 LED(1, 0); _delay_ms(50); | |
| 73 LED(2, 0); _delay_ms(50); | |
| 74 LED(3, 0); _delay_ms(50); | |
| 75 LED(4, 0); _delay_ms(50); | |
| 76 LED(5, 0); _delay_ms(50); | |
| 77 | |
| 78 //TCCR0 = (1<<CS01); //divide by 8 | |
| 79 | |
| 80 | |
| 81 // setup data bit timer | |
| 82 TCCR2 = (1<<CS21); //divide by 8 | |
| 83 TCCR2 |= (1<<WGM21); // set compare match | |
| 84 OCR2 = TIMER2_50US; | |
| 85 TIMSK |= 1<<OCIE2; //enable timer2 interrupt | |
| 86 | |
| 87 // setup data packet timer | |
| 88 //TCCR1A = (1<<COM1A1); | |
| 89 TCCR1B = (1<<CS11); //divide by 8 | |
| 90 TCCR1B |= (1<<WGM12); // set compare match | |
| 91 //TCCR1B = (1<<CS11) | (1<<CS10); //divide by 64 | |
| 92 //TCNT1 = TIMER_7500NS; | |
| 93 OCR1A = TIMER1_7500NS; | |
| 94 TIMSK |= 1<<OCIE1A; //enable timer1 interrupt | |
| 95 | |
| 96 RS232_puts_p(PSTR("INIT OK\n")); | |
| 97 | |
| 98 } | |
| 99 | |
| 100 | |
| 101 | |
| 42 void check_rails_shortcut(void) { | 102 void check_rails_shortcut(void) { |
| 43 // check for short circuit on the rails | 103 // check for short circuit on the rails |
| 44 if ((PIN(RAIL_DETECT_PORT) & _BV(RAIL_DETECT)) == 0) { | 104 if ((PIN(RAIL_DETECT_PORT) & _BV(RAIL_DETECT)) == 0) { |
| 45 _delay_ms(1); | 105 _delay_ms(1); |
| 46 if ((PIN(RAIL_DETECT_PORT) & _BV(RAIL_DETECT)) == 0) { | 106 if ((PIN(RAIL_DETECT_PORT) & _BV(RAIL_DETECT)) == 0) { |
