146 lines
3.1 KiB
C
146 lines
3.1 KiB
C
//
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// main.h : AVR uC header file for flukso sensor board
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// Copyright (c) 2008-2009 jokamajo.org
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// Copyright (c) 2010 flukso.net
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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//
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# define PULSE 0
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# define POWER 1
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# define WATT 1000000000
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# define SECOND 624 // 625Hz - 1
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#ifndef SENSOR0
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#error "SENSOR0 not defined"
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#endif
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#ifndef SENSOR1
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#error "SENSOR1 not defined"
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#endif
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#ifndef SENSOR2
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#error "SENSOR2 not defined"
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#endif
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#ifndef SENSOR3
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#error "SENSOR3 not defined"
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#endif
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#ifndef PHASE
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#error "PHASE not defined"
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#endif
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#ifndef METERCONST
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#error "METERCONST not defined"
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#endif
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#ifndef PULSE_CONST_2
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#error "PULSE_CONST_2 not defined"
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#endif
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#ifndef PULSE_HALF_2
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#error "PULSE_HALF_2 not defined"
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#endif
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#ifndef PULSE_CONST_3
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#error "PULSE_CONST_3 not defined"
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#endif
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#ifndef PULSE_HALF_3
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#error "PULSE_HALF_3 not defined"
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#endif
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#ifndef PULSE_CONST_4
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#error "PULSE_CONST_4 not defined"
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#endif
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#ifndef PULSE_HALF_4
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#error "PULSE_HALF_4 not defined"
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#endif
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#define START 0
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#define END3 0xffffffff
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#define END2 0xeeeeeeee
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#define END1 0xdddddddd
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#define END0 0xcccccccc
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// This macro performs a 16x16 -> 32 unsigned MAC in 37 cycles with operands and results in memory
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// based on http://www2.ife.ee.ethz.ch/~roggend/publications/wear/DSPMic_v1.1.pdf par 3.4 and table 31.
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#define MacU16X16to32(uint_32Acc, uint_16In1, uint_16In2) \
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asm volatile ( \
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"clr r2 \n\t" \
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"mul %B2, %B1 \n\t" \
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"movw r4, r0 \n\t" \
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"mul %A2, %A1 \n\t" \
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"add %A0, r0 \n\t" \
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"adc %B0, r1 \n\t" \
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"adc %C0, r4 \n\t" \
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"adc %D0, r5 \n\t" \
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"mul %B2, %A1 \n\t" \
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"add %B0, r0 \n\t" \
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"adc %C0, r1 \n\t" \
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"adc %D0, r2 \n\t" \
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"mul %A2, %B1 \n\t" \
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"add %B0, r0 \n\t" \
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"adc %C0, r1 \n\t" \
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"adc %D0, r2 \n\t" \
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"clr r1 \n\t" \
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: \
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"+r" (uint_32Acc) \
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: \
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"a" (uint_16In1), \
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"a" (uint_16In2) \
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: \
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"r2", "r4", "r5" \
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)
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// datastructures
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struct time_struct {
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boolean skip;
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uint32_t ms;
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};
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struct state {
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boolean pulse;
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boolean toggle;
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boolean half;
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uint32_t nano;
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uint16_t adc;
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boolean power;
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uint32_t nano_start;
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uint32_t nano_end;
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uint8_t pulse_count;
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uint8_t pulse_count_final;
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uint32_t time;
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};
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struct sensor {
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char id[33];
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uint32_t value;
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};
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// prototypes
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void WDT_off(void);
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void WDT_on(void);
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void pulse_add(volatile struct sensor *measurement, volatile struct state *aux, uint32_t pulse_const, uint32_t pulse_half);
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void send(uint8_t msg_type, const struct sensor *measurement, const struct state *aux);
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