util.h

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//*****************************************************************************
// Author               : Christian Illy
// Created              : 19.04.2009
// Revised              : 05.07.2009
// Version              : 0.1
// Target MCU   : Fujitsu MB96300 series
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
//*****************************************************************************
#ifndef ROUTINES_H_
#define ROUTINES_H_

#include "inttypes.h"

#define _BV(bit) (1l << (bit))

#define RETURN_ERROR(value, max) if ((value) > (max)) return 0;

extern void delay(uint16_t del);

extern void delay_us(uint16_t us);

extern void delay_ms(uint16_t ms);

extern void delay_s(uint16_t s);

extern int sgn(int x);

extern void intToStr(uint32_t val, uint8_t digits, uint8_t fuellChar, char* dest);

extern void intToHex(uint32_t val, uint8_t digits, uint8_t fuellchar, char* dest);


extern void random_init(void);

extern uint32_t random(void);

#define RANDOM_INIT_PIN_COUNT 5

#define RANDOM_INIT_PIN_START 3

#define PRESCALER_MS 1993l

#endif /* ROUTINES_H_ */