Mercurial > hg-public > freeslot / file diff

--- a/blackbox/lowlevel.c	Mon Nov 14 21:15:11 2011 +0100
+++ b/blackbox/lowlevel.c	Mon Nov 14 21:38:00 2011 +0100
@@ -3,7 +3,9 @@
 #include <util/delay.h>
 #include "stdint.h"
 #include "main.h"
+#include "driver/adc.h"
 #include "driver/rs232.h"
+#include "lowlevel.h"
 
 void LED(uint8_t num, uint8_t state) {
     switch (num) {
@@ -39,6 +41,64 @@
     }
 }
 
+void init_hardware(void) {
+    RS232_init(); // initialize RS485 interface
+    RS232_puts_p(PSTR("CARRERA beta loading\n"));
+
+    initADC();
+
+    // set LED output
+    DDR(LED1_PORT) |= _BV(LED1);
+    DDR(LED2_PORT) |= _BV(LED2);
+    DDR(LED3_PORT) |= _BV(LED3);
+    DDR(LED4_PORT) |= _BV(LED4);
+    DDR(LED5_PORT) |= _BV(LED5);
+
+    // set Controller Input Pull-UPs
+    CONTROLLER_PORT |= (_BV(CONTROLLER1_SW) | _BV(CONTROLLER2_SW) | _BV(CONTROLLER3_SW) | _BV(CONTROLLER4_SW));
+
+    // switch pull-ups
+    SW_FUEL_PORT |= _BV(SW_FUEL);
+
+    //RAIL_DETECT_PORT |= _BV(RAIL_DETECT); // enable internal pull-up
+    DDR(RAIL_POWER_PORT) |= _BV(RAIL_POWER);
+
+
+    LED(1, 1); _delay_ms(50);
+    LED(2, 1); _delay_ms(50);
+    LED(3, 1); _delay_ms(50);
+    LED(4, 1); _delay_ms(50);
+    LED(5, 1); _delay_ms(50);
+    LED(1, 0); _delay_ms(50);
+    LED(2, 0); _delay_ms(50);
+    LED(3, 0); _delay_ms(50);
+    LED(4, 0); _delay_ms(50);
+    LED(5, 0); _delay_ms(50);
+
+    //TCCR0 = (1<<CS01); //divide by 8
+
+
+    // setup data bit timer
+    TCCR2 = (1<<CS21); //divide by 8
+    TCCR2 |= (1<<WGM21); // set compare match
+    OCR2 = TIMER2_50US;
+    TIMSK |= 1<<OCIE2; //enable timer2 interrupt
+
+    // setup data packet timer
+    //TCCR1A = (1<<COM1A1);
+    TCCR1B = (1<<CS11); //divide by 8
+    TCCR1B |= (1<<WGM12); // set compare match
+    //TCCR1B = (1<<CS11) | (1<<CS10); //divide by 64
+    //TCNT1 = TIMER_7500NS;
+    OCR1A = TIMER1_7500NS;
+    TIMSK |= 1<<OCIE1A; //enable timer1 interrupt
+
+    RS232_puts_p(PSTR("INIT OK\n"));
+
+}
+
+
+
 void check_rails_shortcut(void) {
     // check for short circuit on the rails
     if ((PIN(RAIL_DETECT_PORT) & _BV(RAIL_DETECT)) == 0) {