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/*
* Copyright 2014-2015 Ettus Research LLC
*
* 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 _OCTOCLOCK_H_
#define _OCTOCLOCK_H_
#include "octoclock/common.h"
#include <stdbool.h>
#include <stdint.h>
// Define frequency
#define F_CPU 7372800UL
/*
* Timer 1 (16-bit)
* * Set prescaler to 1024
* * Enable overflow interrupt
* * Set timer to 0
*/
#define TIMER1_INIT() TCCR1B = (1 << CS12) | (1 << CS10); \
TIMSK |= (1<<TOIE1); \
TCNT1 = 0;
#define TIMER1_DISABLE() TCCR1B = 0; \
TIMSK = 0; \
TCNT1 = 0;
#define TIMER1_ONE_SECOND ((uint32_t)(12207))
// Locations of OctoClock information in EEPROM
#define OCTOCLOCK_EEPROM_MAC_ADDR 0
#define OCTOCLOCK_EEPROM_IP_ADDR 6
#define OCTOCLOCK_EEPROM_DR_ADDR 10
#define OCTOCLOCK_EEPROM_NETMASK 14
#define OCTOCLOCK_EEPROM_SERIAL 18
#define OCTOCLOCK_EEPROM_NAME 28
#define OCTOCLOCK_EEPROM_REVISION 38
#define OCTOCLOCK_EEPROM_APP_LEN 100
#define OCTOCLOCK_EEPROM_APP_CRC 102
/* turn a numeric literal into a hex constant
* (avoids problems with leading zeros)
* 8-bit constants max value 0x11111111, always fits in unsigned long
*/
#define HEX__(n) 0x##n##LU
/* 8-bit conversion function */
#define B8__(x) ((x&0x0000000FLU)?1:0) \
+((x&0x000000F0LU)?2:0) \
+((x&0x00000F00LU)?4:0) \
+((x&0x0000F000LU)?8:0) \
+((x&0x000F0000LU)?16:0) \
+((x&0x00F00000LU)?32:0) \
+((x&0x0F000000LU)?64:0) \
+((x&0xF0000000LU)?128:0)
/* for up to 8-bit binary constants */
#define Bits_8(d) ((unsigned char)B8__(HEX__(d)))
/* for up to 16-bit binary constants, MSB first */
#define Bits_16(dmsb,dlsb) (((unsigned short)Bits_8(dmsb)<<8) \
+ Bits_8(dlsb))
/* for up to 32-bit binary constants, MSB first */
#define Bits_32(dmsb,db2,db3,dlsb) (((unsigned long)Bits_8(dmsb)<<24) \
+ ((unsigned long)Bits_8(db2)<<16) \
+ ((unsigned long)Bits_8(db3)<<8) \
+ Bits_8(dlsb))
/* Sample usage:
* Bits_8(01010101) = 85
* Bits_16(10101010,01010101) = 43605
* Bits_32(10000000,11111111,10101010,01010101) = 2164238933
*/
void setup_atmel_io_ports(void);
#endif /* _OCTOCLOCK_H_ */
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