gauravjuvekar

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <time.h>


uint32_t d_shift_register = 0;
uint32_t d_taps[32];
uint32_t d_tap_count;

gauravjuvekar

import sys
import time
import datetime
from math import *

import ephem

# taken from: http://celestrak.com/NORAD/elements/cubesat.txt
ec1_tle = { "name": "ESTCUBE 1", \

gauravjuvekar

uint16_t ax25crc16(unsigned char *data_p, uint16_t lenght) {
    uint16_t crc = 0xFFFF;
    uint32_t data;
    uint16_t crc16_table[] = {
            0x0000, 0x1081, 0x2102, 0x3183,
            0x4204, 0x5285, 0x6306, 0x7387,
            0x8408, 0x9489, 0xa50a, 0xb58b,
            0xc60c, 0xd68d, 0xe70e, 0xf78f
    };