flm01/mote/v1/avr/main.h

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//
// main.h : AVR uC header file for flukso sensor board
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// Copyright (c) 2008-2009 jokamajo.org
// Copyright (c) 2010 flukso.net
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//
// 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 2
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
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//
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# define PULSE 0
# define POWER 1
# define WATT 1000000000
# define SECOND 624 // 625Hz - 1
#ifndef SENSOR0
#error "SENSOR0 not defined"
#endif
#ifndef SENSOR1
#error "SENSOR1 not defined"
#endif
#ifndef SENSOR2
#error "SENSOR2 not defined"
#endif
#ifndef SENSOR3
#error "SENSOR3 not defined"
#endif
#ifndef PHASE
#error "PHASE not defined"
#endif
#ifndef METERCONST
#error "METERCONST not defined"
#endif
#ifndef PULSE_CONST_2
#error "PULSE_CONST_2 not defined"
#endif
#ifndef PULSE_HALF_2
#error "PULSE_HALF_2 not defined"
#endif
#ifndef PULSE_CONST_3
#error "PULSE_CONST_3 not defined"
#endif
#ifndef PULSE_HALF_3
#error "PULSE_HALF_3 not defined"
#endif
#ifndef PULSE_CONST_4
#error "PULSE_CONST_4 not defined"
#endif
#ifndef PULSE_HALF_4
#error "PULSE_HALF_4 not defined"
#endif
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#define START 0
#define END3 0xffffffff
#define END2 0xeeeeeeee
#define END1 0xdddddddd
#define END0 0xcccccccc
// This macro performs a 16x16 -> 32 unsigned MAC in 37 cycles with operands and results in memory
// based on http://www2.ife.ee.ethz.ch/~roggend/publications/wear/DSPMic_v1.1.pdf par 3.4 and table 31.
#define MacU16X16to32(uint_32Acc, uint_16In1, uint_16In2) \
asm volatile ( \
"clr r2 \n\t" \
"mul %B2, %B1 \n\t" \
"movw r4, r0 \n\t" \
"mul %A2, %A1 \n\t" \
"add %A0, r0 \n\t" \
"adc %B0, r1 \n\t" \
"adc %C0, r4 \n\t" \
"adc %D0, r5 \n\t" \
"mul %B2, %A1 \n\t" \
"add %B0, r0 \n\t" \
"adc %C0, r1 \n\t" \
"adc %D0, r2 \n\t" \
"mul %A2, %B1 \n\t" \
"add %B0, r0 \n\t" \
"adc %C0, r1 \n\t" \
"adc %D0, r2 \n\t" \
"clr r1 \n\t" \
: \
"+r" (uint_32Acc) \
: \
"a" (uint_16In1), \
"a" (uint_16In2) \
: \
"r2", "r4", "r5" \
)
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// datastructures
struct time_struct {
boolean skip;
uint32_t ms;
};
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struct state {
boolean pulse;
boolean toggle;
boolean half;
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uint32_t nano;
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uint16_t adc;
boolean power;
uint32_t nano_start;
uint32_t nano_end;
uint8_t pulse_count;
uint8_t pulse_count_final;
uint32_t time;
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};
struct sensor {
char id[33];
uint32_t value;
};
// prototypes
void WDT_off(void);
void WDT_on(void);
void pulse_add(volatile struct sensor *measurement, volatile struct state *aux, uint8_t pulse_const, uint8_t pulse_half);
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void send(uint8_t msg_type, const struct sensor *measurement, const struct state *aux);