976 lines
42 KiB
C
976 lines
42 KiB
C
/**
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* @file borg_hw_lolshield.c
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* @brief Driver for Jimmie Rodgers' LoL Shield
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* @author Christian Kroll <chris@das-labor.org>
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* @date 2014
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* @copyright GNU Public License 2 or later
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* @see http://jimmieprodgers.com/kits/lolshield/
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*
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* This driver is partly based on the LoL Shield Library which is available at
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* https://code.google.com/p/lolshield/ (parts of the file "Charliplexing.cpp"
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* have been incorporated into this file).
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*
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* With contributions from (via "Charliplexing.cpp"):
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* Alex Wenger <a.wenger@gmx.de> http://arduinobuch.wordpress.com/
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* Matt Mets <mahto@cibomahto.com> http://cibomahto.com/
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* Timer init code from MsTimer2 - Javier Valencia <javiervalencia80@gmail.com>
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* Misc functions from Benjamin Sonntag <benjamin@sonntag.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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#include "../config.h"
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#include "../makros.h"
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#include <stdint.h>
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#include <avr/interrupt.h>
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#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/pgmspace.h>
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#if NUMPLANE >= 8
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# include <math.h>
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#endif
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#include "borg_hw.h"
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// buffer which holds the currently shown frame
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unsigned char pixmap[NUMPLANE][NUM_ROWS][LINEBYTES];
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/* adjust frame rate at the menuconfig, this is just a fallback */
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#ifndef FRAMERATE
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# define FRAMERATE 80
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#elif FRAMERATE < 1
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# error FRAMERATE must be greater than 0
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#endif
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// Number of ticks of the prescaled timer per cycle per frame, based on the
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// CPU clock speed and the desired frame rate.
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#define TICKS (F_CPU + 6ul * (FRAMERATE << SLOWSCALERSHIFT)) / \
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(12ul * (FRAMERATE << SLOWSCALERSHIFT))
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#define CUTOFF(scaler) ((128ul * 12 - 6) * FRAMERATE * scaler##ul)
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#if defined (__AVR_ATmega8__) || \
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defined (__AVR_ATmega48__) || \
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defined (__AVR_ATmega48P__) || \
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defined (__AVR_ATmega88__) || \
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defined (__AVR_ATmega88P__) || \
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defined (__AVR_ATmega168__) || \
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defined (__AVR_ATmega168P__) || \
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defined (__AVR_ATmega328__) || \
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defined (__AVR_ATmega328P__) || \
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defined (__AVR_ATmega1280__) || \
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defined (__AVR_ATmega2560__)
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# if F_CPU < CUTOFF(8)
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# define FASTPRESCALER (_BV(CS20)) // 1
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# define SLOWPRESCALER (_BV(CS21)) // 8
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# define FASTSCALERSHIFT 3
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# define SLOWSCALERSHIFT 3
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# elif F_CPU < CUTOFF(32)
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# define FASTPRESCALER (_BV(CS21)) // 8
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# define SLOWPRESCALER (_BV(CS21) | _BV(CS20)) // 32
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# define FASTSCALERSHIFT 2
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# define SLOWSCALERSHIFT 5
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# elif F_CPU < CUTOFF(64)
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# define FASTPRESCALER (_BV(CS21)) // 8
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# define SLOWPRESCALER (_BV(CS22)) // 64
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# define FASTSCALERSHIFT 3
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# define SLOWSCALERSHIFT 6
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# elif F_CPU < CUTOFF(128)
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# define FASTPRESCALER (_BV(CS21) | _BV(CS20)) // 32
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# define SLOWPRESCALER (_BV(CS22) | _BV(CS20)) // 128
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# define FASTSCALERSHIFT 2
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# define SLOWSCALERSHIFT 7
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# elif F_CPU < CUTOFF(256)
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# define FASTPRESCALER (_BV(CS21) | _BV(CS20)) // 32
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# define SLOWPRESCALER (_BV(CS22) | _BV(CS21)) // 256
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# define FASTSCALERSHIFT 3
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# define SLOWSCALERSHIFT 8
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# elif F_CPU < CUTOFF(1024)
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# define FASTPRESCALER (_BV(CS22) | _BV(CS20)) // 128
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# define SLOWPRESCALER (_BV(CS22) | _BV(CS21) | _BV(CS20)) // 1024
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# define FASTSCALERSHIFT 3
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# define SLOWSCALERSHIFT 10
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# else
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# error frame rate is too low
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# endif
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#elif defined (__AVR_ATmega32U4__)
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# if F_CPU < CUTOFF(8)
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# define FASTPRESCALER (_BV(WGM12) | _BV(CS10)) // 1
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# define SLOWPRESCALER (_BV(WGM12) | _BV(CS11)) // 8
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# define FASTSCALERSHIFT 3
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# define SLOWSCALERSHIFT 3
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# elif F_CPU < CUTOFF(64)
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# define FASTPRESCALER (_BV(WGM12) | _BV(CS11)) // 8
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# define SLOWPRESCALER (_BV(WGM12) | _BV(CS11) | _BV(CS10)) // 64
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# define FASTSCALERSHIFT 3
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# define SLOWSCALERSHIFT 6
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# elif F_CPU < CUTOFF(256)
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# define FASTPRESCALER (_BV(WGM12) | _BV(CS11) | _BV(CS10)) // 64
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# define SLOWPRESCALER (_BV(WGM12) | _BV(CS12)) // 256
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# define FASTSCALERSHIFT 2
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# define SLOWSCALERSHIFT 8
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# elif F_CPU < CUTOFF(1024)
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# define FASTPRESCALER (_BV(WGM12) | _BV(CS12)) // 256
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# define SLOWPRESCALER (_BV(WGM12) | _BV(CS12) | _BV(CS10)) // 1024
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# define FASTSCALERSHIFT 2
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# define SLOWSCALERSHIFT 10
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# else
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# error frame rate is too low
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# endif
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#else
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# error no support for this chip
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#endif
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#if NUMPLANE < 8
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uint8_t const prescaler[NUMPLANE + 1] = {
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FASTPRESCALER,
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# if NUMPLANE >= 2
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FASTPRESCALER,
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# endif
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# if NUMPLANE >= 3
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FASTPRESCALER,
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# endif
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# if NUMPLANE >= 4
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FASTPRESCALER,
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# endif
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# if NUMPLANE >= 5
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FASTPRESCALER,
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# endif
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# if NUMPLANE >= 6
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FASTPRESCALER,
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# endif
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# if NUMPLANE >= 7
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FASTPRESCALER,
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# endif
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SLOWPRESCALER
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};
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#else
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uint8_t prescaler[NUMPLANE + 1] = {0};
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#endif
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/* adjust brightness in the menuconfig, this is just a fallback */
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#ifndef BRIGHTNESS
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# define BRIGHTNESS 127 /* full brightness by default */
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#elif BRIGHTNESS < 0 || BRIGHTNESS > 127
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# error BRIGHTNESS must be between 0 and 127
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#endif
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#define BRIGHTNESSPERCENT ((BRIGHTNESS * BRIGHTNESS + 8ul) / 16ul)
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#define M (TICKS << FASTSCALERSHIFT) * BRIGHTNESSPERCENT /*10b*/
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#define C(x) ((M * (unsigned long)(x * 1024UL) + (1UL << 19)) >> 20) /*10b+10b-20b=0b*/
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#define COUNT(u, v) (256 - (((C(v) - C(u)) != 0) ? (C(v) - C(u)) : 1))
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#define LAST_COUNT(u) (256 - (((TICKS - (C(u) >> FASTSCALERSHIFT)) != 0) ? \
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(TICKS - (C(u) >> FASTSCALERSHIFT)) : 1))
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#if NUMPLANE < 8
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// NOTE: The argumentS of COUNT() are calculated as follows:
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// pow((double)x / (double)NUMPLANE, 1.8) with 0 <= x <= NUMPLANE
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// Changing the scale of 1.8 invalidates any tables above!
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uint8_t const counts[NUMPLANE + 1] = {
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# if NUMPLANE == 1
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COUNT(0.000000000000000000000000, 1.000000000000000000000000),
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# elif NUMPLANE == 2
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COUNT(0.000000000000000000000000, 0.287174588749258719033719),
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COUNT(0.287174588749258719033719, 1.000000000000000000000000),
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# elif NUMPLANE == 3
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COUNT(0.000000000000000000000000, 0.138414548846168578011273),
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COUNT(0.138414548846168578011273, 0.481987453865643789008288),
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COUNT(0.481987453865643789008288, 1.000000000000000000000000),
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# elif NUMPLANE == 4
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COUNT(0.000000000000000000000000, 0.082469244423305887448095),
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COUNT(0.082469244423305887448095, 0.287174588749258719033719),
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COUNT(0.287174588749258719033719, 0.595813410589956848895099),
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COUNT(0.595813410589956848895099, 1.000000000000000000000000),
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# elif NUMPLANE == 5
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COUNT(0.000000000000000000000000, 0.055189186458448592775827),
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COUNT(0.055189186458448592775827, 0.192179909437029006191722),
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COUNT(0.192179909437029006191722, 0.398723883569384374148115),
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COUNT(0.398723883569384374148115, 0.669209313658414961523135),
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COUNT(0.669209313658414961523135, 1.000000000000000000000000),
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# elif NUMPLANE == 6
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COUNT(0.000000000000000000000000, 0.039749141141812646682574),
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COUNT(0.039749141141812646682574, 0.138414548846168578011273),
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COUNT(0.138414548846168578011273, 0.287174588749258719033719),
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COUNT(0.287174588749258719033719, 0.481987453865643789008288),
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COUNT(0.481987453865643789008288, 0.720234228706005730202833),
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COUNT(0.720234228706005730202833, 1.000000000000000000000000),
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# elif NUMPLANE == 7
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COUNT(0.000000000000000000000000, 0.030117819624378608378557),
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COUNT(0.030117819624378608378557, 0.104876339357015443964904),
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COUNT(0.104876339357015443964904, 0.217591430058779483625031),
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COUNT(0.217591430058779483625031, 0.365200625214741059210155),
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COUNT(0.365200625214741059210155, 0.545719579451565794947498),
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COUNT(0.545719579451565794947498, 0.757697368024318751444923),
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COUNT(0.757697368024318751444923, 1.000000000000000000000000),
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# endif
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LAST_COUNT(1.0)
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};
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#else
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uint8_t counts[NUMPLANE + 1];
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#endif
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#if NUMPLANE >= 8
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/**
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* Set the overall brightness of the screen from 0 (very dim) to 127 (full on).
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*/
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static void setBrightness()
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{
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# warning "NUMPLANE >= 8 links floating point stuff into the image"
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/* ---- This needs review! Please review. -- thilo */
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// set up page counts
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uint8_t i;
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// NOTE: Changing "scale" invalidates any tables above!
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const float scale = 1.8f;
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int temp_counts[NUMPLANE + 1] = {0};
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for (i = 1; i < (NUMPLANE + 1); i++) {
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temp_counts[i] = C(pow(i / (float)(NUMPLANE), scale));
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}
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// Compute on time for each of the pages
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// Use the fast timer; slow timer is only useful for < 3 shades.
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for (i = 0; i < NUMPLANE; i++) {
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int interval = temp_counts[i + 1] - temp_counts[i];
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counts[i] = 256 - (interval ? interval : 1);
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prescaler[i] = FASTPRESCALER;
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}
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// Compute off time
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int interval = TICKS - (temp_counts[i] >> FASTSCALERSHIFT);
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counts[i] = 256 - (interval ? interval : 1);
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prescaler[i] = SLOWPRESCALER;
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}
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#endif
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/**
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* Distributes the framebuffer content among current cycle pins.
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* @param cycle The cycle whose pattern should to be composed.
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* @param plane The plane ("page" in LoL Shield lingo) to be drawn.
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*/
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static void compose_cycle(uint8_t const cycle, uint8_t plane) {
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// pointer to corresponding bitmap
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uint8_t *const p = &pixmap[plane][0][0];
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#if defined (__AVR_ATmega1280__) || defined (__AVR_ATmega2560__)
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// Set sink pin to Vcc/source, turning off current.
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static uint8_t sink_b = 0, sink_e = 0, sink_g = 0, sink_h = 0;
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PINB = sink_b;
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PINE = sink_e;
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PING = sink_g;
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PINH = sink_h;
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DDRB &= ~0xf0;
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DDRE &= ~0x38;
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DDRG &= ~0x20;
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DDRH &= ~0x78;
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static uint8_t const PROGMEM sink_b_cycle[] =
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x20, 0x40, 0x80};
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static uint8_t const PROGMEM sink_e_cycle[] =
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{0x10, 0x20, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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static uint8_t const PROGMEM sink_g_cycle[] =
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{0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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static uint8_t const PROGMEM sink_h_cycle[] =
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{0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x20, 0x40, 0x00, 0x00, 0x00, 0x00};
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uint8_t pins_b = sink_b = pgm_read_byte(&sink_b_cycle[cycle]);
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uint8_t pins_e = sink_e = pgm_read_byte(&sink_e_cycle[cycle]);
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uint8_t pins_g = sink_g = pgm_read_byte(&sink_g_cycle[cycle]);
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uint8_t pins_h = sink_h = pgm_read_byte(&sink_h_cycle[cycle]);
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// convert framebuffer to LoL Shield cycles on Arduino Mega 1280/2560
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// NOTE: (0,0) is UPPER RIGHT in the Borgware realm
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if (plane < NUMPLANE) {
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switch(cycle) {
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case 0:
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if (0x02u & p[ 0]) pins_b |= 0x80; // x= 1, y= 0, mapped pin D13
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if (0x02u & p[ 2]) pins_b |= 0x40; // x= 1, y= 1, mapped pin D12
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if (0x02u & p[ 4]) pins_b |= 0x20; // x= 1, y= 2, mapped pin D11
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if (0x02u & p[ 6]) pins_b |= 0x10; // x= 1, y= 3, mapped pin D10
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if (0x02u & p[ 8]) pins_h |= 0x40; // x= 1, y= 4, mapped pin D9
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if (0x02u & p[10]) pins_h |= 0x20; // x= 1, y= 5, mapped pin D8
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if (0x02u & p[12]) pins_h |= 0x10; // x= 1, y= 6, mapped pin D7
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if (0x02u & p[14]) pins_h |= 0x08; // x= 1, y= 7, mapped pin D6
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if (0x02u & p[16]) pins_e |= 0x08; // x= 1, y= 8, mapped pin D5
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break;
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case 1:
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if (0x08u & p[ 0]) pins_b |= 0x80; // x= 3, y= 0, mapped pin D13
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if (0x08u & p[ 2]) pins_b |= 0x40; // x= 3, y= 1, mapped pin D12
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if (0x08u & p[ 4]) pins_b |= 0x20; // x= 3, y= 2, mapped pin D11
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if (0x08u & p[ 6]) pins_b |= 0x10; // x= 3, y= 3, mapped pin D10
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if (0x08u & p[ 8]) pins_h |= 0x40; // x= 3, y= 4, mapped pin D9
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if (0x08u & p[10]) pins_h |= 0x20; // x= 3, y= 5, mapped pin D8
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if (0x08u & p[12]) pins_h |= 0x10; // x= 3, y= 6, mapped pin D7
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pins_e |= (0x08u & p[16]); // x= 3, y= 8, mapped pin D5
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pins_h |= (0x08u & p[14]); // x= 3, y= 7, mapped pin D6
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break;
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case 2:
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if (0x20u & p[ 0]) pins_b |= 0x80; // x= 5, y= 0, mapped pin D13
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if (0x20u & p[ 2]) pins_b |= 0x40; // x= 5, y= 1, mapped pin D12
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if (0x20u & p[ 6]) pins_b |= 0x10; // x= 5, y= 3, mapped pin D10
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if (0x20u & p[ 8]) pins_h |= 0x40; // x= 5, y= 4, mapped pin D9
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if (0x20u & p[12]) pins_h |= 0x10; // x= 5, y= 6, mapped pin D7
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if (0x20u & p[14]) pins_h |= 0x08; // x= 5, y= 7, mapped pin D6
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if (0x20u & p[16]) pins_e |= 0x08; // x= 5, y= 8, mapped pin D5
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pins_b |= (0x20u & p[ 4]); // x= 5, y= 2, mapped pin D11
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pins_h |= (0x20u & p[10]); // x= 5, y= 5, mapped pin D8
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break;
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case 3:
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if (0x01u & p[16]) pins_e |= 0x10; // x= 0, y= 8, mapped pin D2
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if (0x04u & p[16]) pins_e |= 0x20; // x= 2, y= 8, mapped pin D3
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if (0x10u & p[16]) pins_g |= 0x20; // x= 4, y= 8, mapped pin D4
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if (0x20u & p[ 1]) pins_b |= 0x80; // x=13, y= 0, mapped pin D13
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if (0x20u & p[ 3]) pins_b |= 0x40; // x=13, y= 1, mapped pin D12
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if (0x20u & p[ 7]) pins_b |= 0x10; // x=13, y= 3, mapped pin D10
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if (0x20u & p[ 9]) pins_h |= 0x40; // x=13, y= 4, mapped pin D9
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if (0x20u & p[13]) pins_h |= 0x10; // x=13, y= 6, mapped pin D7
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if (0x20u & p[15]) pins_h |= 0x08; // x=13, y= 7, mapped pin D6
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pins_b |= (0x20u & p[ 5]); // x=13, y= 2, mapped pin D11
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pins_h |= (0x20u & p[11]); // x=13, y= 5, mapped pin D8
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break;
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case 4:
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if (0x01u & p[14]) pins_e |= 0x10; // x= 0, y= 7, mapped pin D2
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if (0x04u & p[14]) pins_e |= 0x20; // x= 2, y= 7, mapped pin D3
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if (0x10u & p[ 1]) pins_b |= 0x80; // x=12, y= 0, mapped pin D13
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if (0x10u & p[ 3]) pins_b |= 0x40; // x=12, y= 1, mapped pin D12
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if (0x10u & p[ 5]) pins_b |= 0x20; // x=12, y= 2, mapped pin D11
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if (0x10u & p[ 9]) pins_h |= 0x40; // x=12, y= 4, mapped pin D9
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if (0x10u & p[11]) pins_h |= 0x20; // x=12, y= 5, mapped pin D8
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if (0x10u & p[14]) pins_g |= 0x20; // x= 4, y= 7, mapped pin D4
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if (0x20u & p[17]) pins_e |= 0x08; // x=13, y= 8, mapped pin D5
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pins_b |= (0x10u & p[ 7]); // x=12, y= 3, mapped pin D10
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pins_h |= (0x10u & p[13]); // x=12, y= 6, mapped pin D7
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break;
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case 5:
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if (0x01u & p[12]) pins_e |= 0x10; // x= 0, y= 6, mapped pin D2
|
|
if (0x04u & p[12]) pins_e |= 0x20; // x= 2, y= 6, mapped pin D3
|
|
if (0x08u & p[ 1]) pins_b |= 0x80; // x=11, y= 0, mapped pin D13
|
|
if (0x08u & p[ 3]) pins_b |= 0x40; // x=11, y= 1, mapped pin D12
|
|
if (0x08u & p[ 5]) pins_b |= 0x20; // x=11, y= 2, mapped pin D11
|
|
if (0x08u & p[ 7]) pins_b |= 0x10; // x=11, y= 3, mapped pin D10
|
|
if (0x08u & p[ 9]) pins_h |= 0x40; // x=11, y= 4, mapped pin D9
|
|
if (0x08u & p[11]) pins_h |= 0x20; // x=11, y= 5, mapped pin D8
|
|
if (0x10u & p[12]) pins_g |= 0x20; // x= 4, y= 6, mapped pin D4
|
|
if (0x10u & p[15]) pins_h |= 0x08; // x=12, y= 7, mapped pin D6
|
|
if (0x10u & p[17]) pins_e |= 0x08; // x=12, y= 8, mapped pin D5
|
|
break;
|
|
case 6:
|
|
if (0x01u & p[10]) pins_e |= 0x10; // x= 0, y= 5, mapped pin D2
|
|
if (0x04u & p[ 1]) pins_b |= 0x80; // x=10, y= 0, mapped pin D13
|
|
if (0x04u & p[ 3]) pins_b |= 0x40; // x=10, y= 1, mapped pin D12
|
|
if (0x04u & p[ 5]) pins_b |= 0x20; // x=10, y= 2, mapped pin D11
|
|
if (0x04u & p[ 7]) pins_b |= 0x10; // x=10, y= 3, mapped pin D10
|
|
if (0x04u & p[ 9]) pins_h |= 0x40; // x=10, y= 4, mapped pin D9
|
|
if (0x04u & p[10]) pins_e |= 0x20; // x= 2, y= 5, mapped pin D3
|
|
if (0x08u & p[13]) pins_h |= 0x10; // x=11, y= 6, mapped pin D7
|
|
if (0x10u & p[10]) pins_g |= 0x20; // x= 4, y= 5, mapped pin D4
|
|
pins_e |= (0x08u & p[17]); // x=11, y= 8, mapped pin D5
|
|
pins_h |= (0x08u & p[15]); // x=11, y= 7, mapped pin D6
|
|
break;
|
|
case 7:
|
|
if (0x01u & p[ 8]) pins_e |= 0x10; // x= 0, y= 4, mapped pin D2
|
|
if (0x02u & p[ 1]) pins_b |= 0x80; // x= 9, y= 0, mapped pin D13
|
|
if (0x02u & p[ 3]) pins_b |= 0x40; // x= 9, y= 1, mapped pin D12
|
|
if (0x02u & p[ 5]) pins_b |= 0x20; // x= 9, y= 2, mapped pin D11
|
|
if (0x02u & p[ 7]) pins_b |= 0x10; // x= 9, y= 3, mapped pin D10
|
|
if (0x04u & p[ 8]) pins_e |= 0x20; // x= 2, y= 4, mapped pin D3
|
|
if (0x04u & p[11]) pins_h |= 0x20; // x=10, y= 5, mapped pin D8
|
|
if (0x04u & p[13]) pins_h |= 0x10; // x=10, y= 6, mapped pin D7
|
|
if (0x04u & p[15]) pins_h |= 0x08; // x=10, y= 7, mapped pin D6
|
|
if (0x04u & p[17]) pins_e |= 0x08; // x=10, y= 8, mapped pin D5
|
|
if (0x10u & p[ 8]) pins_g |= 0x20; // x= 4, y= 4, mapped pin D4
|
|
break;
|
|
case 8:
|
|
if (0x01u & p[ 1]) pins_b |= 0x80; // x= 8, y= 0, mapped pin D13
|
|
if (0x01u & p[ 3]) pins_b |= 0x40; // x= 8, y= 1, mapped pin D12
|
|
if (0x01u & p[ 5]) pins_b |= 0x20; // x= 8, y= 2, mapped pin D11
|
|
if (0x01u & p[ 6]) pins_e |= 0x10; // x= 0, y= 3, mapped pin D2
|
|
if (0x02u & p[ 9]) pins_h |= 0x40; // x= 9, y= 4, mapped pin D9
|
|
if (0x02u & p[11]) pins_h |= 0x20; // x= 9, y= 5, mapped pin D8
|
|
if (0x02u & p[13]) pins_h |= 0x10; // x= 9, y= 6, mapped pin D7
|
|
if (0x02u & p[15]) pins_h |= 0x08; // x= 9, y= 7, mapped pin D6
|
|
if (0x02u & p[17]) pins_e |= 0x08; // x= 9, y= 8, mapped pin D5
|
|
if (0x04u & p[ 6]) pins_e |= 0x20; // x= 2, y= 3, mapped pin D3
|
|
if (0x10u & p[ 6]) pins_g |= 0x20; // x= 4, y= 3, mapped pin D4
|
|
break;
|
|
case 9:
|
|
if (0x01u & p[ 4]) pins_e |= 0x10; // x= 0, y= 2, mapped pin D2
|
|
if (0x01u & p[ 7]) pins_b |= 0x10; // x= 8, y= 3, mapped pin D10
|
|
if (0x01u & p[ 9]) pins_h |= 0x40; // x= 8, y= 4, mapped pin D9
|
|
if (0x01u & p[11]) pins_h |= 0x20; // x= 8, y= 5, mapped pin D8
|
|
if (0x01u & p[13]) pins_h |= 0x10; // x= 8, y= 6, mapped pin D7
|
|
if (0x01u & p[15]) pins_h |= 0x08; // x= 8, y= 7, mapped pin D6
|
|
if (0x01u & p[17]) pins_e |= 0x08; // x= 8, y= 8, mapped pin D5
|
|
if (0x04u & p[ 4]) pins_e |= 0x20; // x= 2, y= 2, mapped pin D3
|
|
if (0x10u & p[ 4]) pins_g |= 0x20; // x= 4, y= 2, mapped pin D4
|
|
if (0x80u & p[ 2]) pins_b |= 0x40; // x= 7, y= 1, mapped pin D12
|
|
pins_b |= (0x80u & p[ 0]); // x= 7, y= 0, mapped pin D13
|
|
break;
|
|
case 10:
|
|
if (0x01u & p[ 2]) pins_e |= 0x10; // x= 0, y= 1, mapped pin D2
|
|
if (0x04u & p[ 2]) pins_e |= 0x20; // x= 2, y= 1, mapped pin D3
|
|
if (0x10u & p[ 2]) pins_g |= 0x20; // x= 4, y= 1, mapped pin D4
|
|
if (0x40u & p[ 0]) pins_b |= 0x80; // x= 6, y= 0, mapped pin D13
|
|
if (0x80u & p[ 4]) pins_b |= 0x20; // x= 7, y= 2, mapped pin D11
|
|
if (0x80u & p[ 6]) pins_b |= 0x10; // x= 7, y= 3, mapped pin D10
|
|
if (0x80u & p[ 8]) pins_h |= 0x40; // x= 7, y= 4, mapped pin D9
|
|
if (0x80u & p[10]) pins_h |= 0x20; // x= 7, y= 5, mapped pin D8
|
|
if (0x80u & p[12]) pins_h |= 0x10; // x= 7, y= 6, mapped pin D7
|
|
if (0x80u & p[14]) pins_h |= 0x08; // x= 7, y= 7, mapped pin D6
|
|
if (0x80u & p[16]) pins_e |= 0x08; // x= 7, y= 8, mapped pin D5
|
|
break;
|
|
case 11:
|
|
if (0x01u & p[ 0]) pins_e |= 0x10; // x= 0, y= 0, mapped pin D2
|
|
if (0x04u & p[ 0]) pins_e |= 0x20; // x= 2, y= 0, mapped pin D3
|
|
if (0x10u & p[ 0]) pins_g |= 0x20; // x= 4, y= 0, mapped pin D4
|
|
if (0x40u & p[ 4]) pins_b |= 0x20; // x= 6, y= 2, mapped pin D11
|
|
if (0x40u & p[ 6]) pins_b |= 0x10; // x= 6, y= 3, mapped pin D10
|
|
if (0x40u & p[10]) pins_h |= 0x20; // x= 6, y= 5, mapped pin D8
|
|
if (0x40u & p[12]) pins_h |= 0x10; // x= 6, y= 6, mapped pin D7
|
|
if (0x40u & p[14]) pins_h |= 0x08; // x= 6, y= 7, mapped pin D6
|
|
if (0x40u & p[16]) pins_e |= 0x08; // x= 6, y= 8, mapped pin D5
|
|
pins_b |= (0x40u & p[ 2]); // x= 6, y= 1, mapped pin D12
|
|
pins_h |= (0x40u & p[ 8]); // x= 6, y= 4, mapped pin D9
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Enable pullups (by toggling) on new output pins.
|
|
PINB = PORTB ^ pins_b;
|
|
PINE = PORTE ^ pins_e;
|
|
PING = PORTG ^ pins_g;
|
|
PINH = PORTH ^ pins_h;
|
|
|
|
// Set pins to output mode; pullups become Vcc/source.
|
|
DDRB |= pins_b;
|
|
DDRE |= pins_e;
|
|
DDRG |= pins_g;
|
|
DDRH |= pins_h;
|
|
|
|
// Set sink pin to GND/sink, turning on current.
|
|
PINB = sink_b;
|
|
PINE = sink_e;
|
|
PING = sink_g;
|
|
PINH = sink_h;
|
|
#elif defined (__AVR_ATmega32U4__)
|
|
// Set sink pin to Vcc/source, turning off current.
|
|
static uint8_t sink_b = 0, sink_c = 0, sink_d = 0, sink_e = 0;
|
|
PINB = sink_b;
|
|
PINC = sink_c;
|
|
PIND = sink_d;
|
|
PINE = sink_e;
|
|
|
|
DDRB &= ~0xF0;
|
|
DDRC &= ~0xC0;
|
|
DDRD &= ~0xD3;
|
|
DDRE &= ~0x40;
|
|
|
|
static uint8_t const PROGMEM sink_b_cycle[] =
|
|
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x20, 0x40, 0x80, 0x00, 0x00};
|
|
static uint8_t const PROGMEM sink_c_cycle[] =
|
|
{0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80};
|
|
static uint8_t const PROGMEM sink_d_cycle[] =
|
|
{0x02, 0x01, 0x10, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00};
|
|
static uint8_t const PROGMEM sink_e_cycle[] =
|
|
{0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
|
|
|
|
uint8_t pins_b = sink_b = pgm_read_byte(&sink_b_cycle[cycle]);
|
|
uint8_t pins_c = sink_c = pgm_read_byte(&sink_c_cycle[cycle]);
|
|
uint8_t pins_d = sink_d = pgm_read_byte(&sink_d_cycle[cycle]);
|
|
uint8_t pins_e = sink_e = pgm_read_byte(&sink_e_cycle[cycle]);
|
|
|
|
// convert Borgware-2D framebuffer to LoL Shield cycles on Arduino Leonardo
|
|
// NOTE: (0,0) is UPPER RIGHT in the Borgware realm
|
|
if (plane < NUMPLANE) {
|
|
switch(cycle) {
|
|
case 0:
|
|
if (0x02u & p[ 0]) pins_c |= 0x80; // x= 1, y= 0, mapped pin D13
|
|
if (0x02u & p[ 2]) pins_d |= 0x40; // x= 1, y= 1, mapped pin D12
|
|
if (0x02u & p[ 4]) pins_b |= 0x80; // x= 1, y= 2, mapped pin D11
|
|
if (0x02u & p[ 6]) pins_b |= 0x40; // x= 1, y= 3, mapped pin D10
|
|
if (0x02u & p[ 8]) pins_b |= 0x20; // x= 1, y= 4, mapped pin D9
|
|
if (0x02u & p[10]) pins_b |= 0x10; // x= 1, y= 5, mapped pin D8
|
|
if (0x02u & p[12]) pins_e |= 0x40; // x= 1, y= 6, mapped pin D7
|
|
if (0x02u & p[14]) pins_d |= 0x80; // x= 1, y= 7, mapped pin D6
|
|
if (0x02u & p[16]) pins_c |= 0x40; // x= 1, y= 8, mapped pin D5
|
|
break;
|
|
case 1:
|
|
if (0x08u & p[ 0]) pins_c |= 0x80; // x= 3, y= 0, mapped pin D13
|
|
if (0x08u & p[ 2]) pins_d |= 0x40; // x= 3, y= 1, mapped pin D12
|
|
if (0x08u & p[ 4]) pins_b |= 0x80; // x= 3, y= 2, mapped pin D11
|
|
if (0x08u & p[ 6]) pins_b |= 0x40; // x= 3, y= 3, mapped pin D10
|
|
if (0x08u & p[ 8]) pins_b |= 0x20; // x= 3, y= 4, mapped pin D9
|
|
if (0x08u & p[10]) pins_b |= 0x10; // x= 3, y= 5, mapped pin D8
|
|
if (0x08u & p[12]) pins_e |= 0x40; // x= 3, y= 6, mapped pin D7
|
|
if (0x08u & p[14]) pins_d |= 0x80; // x= 3, y= 7, mapped pin D6
|
|
if (0x08u & p[16]) pins_c |= 0x40; // x= 3, y= 8, mapped pin D5
|
|
break;
|
|
case 2:
|
|
if (0x20u & p[ 0]) pins_c |= 0x80; // x= 5, y= 0, mapped pin D13
|
|
if (0x20u & p[ 2]) pins_d |= 0x40; // x= 5, y= 1, mapped pin D12
|
|
if (0x20u & p[ 4]) pins_b |= 0x80; // x= 5, y= 2, mapped pin D11
|
|
if (0x20u & p[ 6]) pins_b |= 0x40; // x= 5, y= 3, mapped pin D10
|
|
if (0x20u & p[10]) pins_b |= 0x10; // x= 5, y= 5, mapped pin D8
|
|
if (0x20u & p[12]) pins_e |= 0x40; // x= 5, y= 6, mapped pin D7
|
|
if (0x20u & p[14]) pins_d |= 0x80; // x= 5, y= 7, mapped pin D6
|
|
if (0x20u & p[16]) pins_c |= 0x40; // x= 5, y= 8, mapped pin D5
|
|
pins_b |= (0x20u & p[ 8]); // x= 5, y= 4, mapped pin D9
|
|
break;
|
|
case 3:
|
|
if (0x01u & p[16]) pins_d |= 0x02; // x= 0, y= 8, mapped pin D2
|
|
if (0x04u & p[16]) pins_d |= 0x01; // x= 2, y= 8, mapped pin D3
|
|
if (0x20u & p[ 1]) pins_c |= 0x80; // x=13, y= 0, mapped pin D13
|
|
if (0x20u & p[ 3]) pins_d |= 0x40; // x=13, y= 1, mapped pin D12
|
|
if (0x20u & p[ 5]) pins_b |= 0x80; // x=13, y= 2, mapped pin D11
|
|
if (0x20u & p[ 7]) pins_b |= 0x40; // x=13, y= 3, mapped pin D10
|
|
if (0x20u & p[11]) pins_b |= 0x10; // x=13, y= 5, mapped pin D8
|
|
if (0x20u & p[13]) pins_e |= 0x40; // x=13, y= 6, mapped pin D7
|
|
if (0x20u & p[15]) pins_d |= 0x80; // x=13, y= 7, mapped pin D6
|
|
pins_b |= (0x20u & p[ 9]); // x=13, y= 4, mapped pin D9
|
|
pins_d |= (0x10u & p[16]); // x= 4, y= 8, mapped pin D4
|
|
break;
|
|
case 4:
|
|
if (0x01u & p[14]) pins_d |= 0x02; // x= 0, y= 7, mapped pin D2
|
|
if (0x04u & p[14]) pins_d |= 0x01; // x= 2, y= 7, mapped pin D3
|
|
if (0x10u & p[ 1]) pins_c |= 0x80; // x=12, y= 0, mapped pin D13
|
|
if (0x10u & p[ 3]) pins_d |= 0x40; // x=12, y= 1, mapped pin D12
|
|
if (0x10u & p[ 5]) pins_b |= 0x80; // x=12, y= 2, mapped pin D11
|
|
if (0x10u & p[ 7]) pins_b |= 0x40; // x=12, y= 3, mapped pin D10
|
|
if (0x10u & p[ 9]) pins_b |= 0x20; // x=12, y= 4, mapped pin D9
|
|
if (0x10u & p[13]) pins_e |= 0x40; // x=12, y= 6, mapped pin D7
|
|
if (0x20u & p[17]) pins_c |= 0x40; // x=13, y= 8, mapped pin D5
|
|
pins_b |= (0x10u & p[11]); // x=12, y= 5, mapped pin D8
|
|
pins_d |= (0x10u & p[14]); // x= 4, y= 7, mapped pin D4
|
|
break;
|
|
case 5:
|
|
if (0x01u & p[12]) pins_d |= 0x02; // x= 0, y= 6, mapped pin D2
|
|
if (0x04u & p[12]) pins_d |= 0x01; // x= 2, y= 6, mapped pin D3
|
|
if (0x08u & p[ 1]) pins_c |= 0x80; // x=11, y= 0, mapped pin D13
|
|
if (0x08u & p[ 3]) pins_d |= 0x40; // x=11, y= 1, mapped pin D12
|
|
if (0x08u & p[ 5]) pins_b |= 0x80; // x=11, y= 2, mapped pin D11
|
|
if (0x08u & p[ 7]) pins_b |= 0x40; // x=11, y= 3, mapped pin D10
|
|
if (0x08u & p[ 9]) pins_b |= 0x20; // x=11, y= 4, mapped pin D9
|
|
if (0x08u & p[11]) pins_b |= 0x10; // x=11, y= 5, mapped pin D8
|
|
if (0x10u & p[15]) pins_d |= 0x80; // x=12, y= 7, mapped pin D6
|
|
if (0x10u & p[17]) pins_c |= 0x40; // x=12, y= 8, mapped pin D5
|
|
pins_d |= (0x10u & p[12]); // x= 4, y= 6, mapped pin D4
|
|
break;
|
|
case 6:
|
|
if (0x01u & p[10]) pins_d |= 0x02; // x= 0, y= 5, mapped pin D2
|
|
if (0x04u & p[ 1]) pins_c |= 0x80; // x=10, y= 0, mapped pin D13
|
|
if (0x04u & p[ 3]) pins_d |= 0x40; // x=10, y= 1, mapped pin D12
|
|
if (0x04u & p[ 5]) pins_b |= 0x80; // x=10, y= 2, mapped pin D11
|
|
if (0x04u & p[ 7]) pins_b |= 0x40; // x=10, y= 3, mapped pin D10
|
|
if (0x04u & p[ 9]) pins_b |= 0x20; // x=10, y= 4, mapped pin D9
|
|
if (0x04u & p[10]) pins_d |= 0x01; // x= 2, y= 5, mapped pin D3
|
|
if (0x08u & p[13]) pins_e |= 0x40; // x=11, y= 6, mapped pin D7
|
|
if (0x08u & p[15]) pins_d |= 0x80; // x=11, y= 7, mapped pin D6
|
|
if (0x08u & p[17]) pins_c |= 0x40; // x=11, y= 8, mapped pin D5
|
|
pins_d |= (0x10u & p[10]); // x= 4, y= 5, mapped pin D4
|
|
break;
|
|
case 7:
|
|
if (0x01u & p[ 8]) pins_d |= 0x02; // x= 0, y= 4, mapped pin D2
|
|
if (0x02u & p[ 1]) pins_c |= 0x80; // x= 9, y= 0, mapped pin D13
|
|
if (0x02u & p[ 3]) pins_d |= 0x40; // x= 9, y= 1, mapped pin D12
|
|
if (0x02u & p[ 5]) pins_b |= 0x80; // x= 9, y= 2, mapped pin D11
|
|
if (0x02u & p[ 7]) pins_b |= 0x40; // x= 9, y= 3, mapped pin D10
|
|
if (0x04u & p[ 8]) pins_d |= 0x01; // x= 2, y= 4, mapped pin D3
|
|
if (0x04u & p[11]) pins_b |= 0x10; // x=10, y= 5, mapped pin D8
|
|
if (0x04u & p[13]) pins_e |= 0x40; // x=10, y= 6, mapped pin D7
|
|
if (0x04u & p[15]) pins_d |= 0x80; // x=10, y= 7, mapped pin D6
|
|
if (0x04u & p[17]) pins_c |= 0x40; // x=10, y= 8, mapped pin D5
|
|
pins_d |= (0x10u & p[ 8]); // x= 4, y= 4, mapped pin D4
|
|
break;
|
|
case 8:
|
|
if (0x01u & p[ 1]) pins_c |= 0x80; // x= 8, y= 0, mapped pin D13
|
|
if (0x01u & p[ 3]) pins_d |= 0x40; // x= 8, y= 1, mapped pin D12
|
|
if (0x01u & p[ 5]) pins_b |= 0x80; // x= 8, y= 2, mapped pin D11
|
|
if (0x01u & p[ 6]) pins_d |= 0x02; // x= 0, y= 3, mapped pin D2
|
|
if (0x02u & p[ 9]) pins_b |= 0x20; // x= 9, y= 4, mapped pin D9
|
|
if (0x02u & p[11]) pins_b |= 0x10; // x= 9, y= 5, mapped pin D8
|
|
if (0x02u & p[13]) pins_e |= 0x40; // x= 9, y= 6, mapped pin D7
|
|
if (0x02u & p[15]) pins_d |= 0x80; // x= 9, y= 7, mapped pin D6
|
|
if (0x02u & p[17]) pins_c |= 0x40; // x= 9, y= 8, mapped pin D5
|
|
if (0x04u & p[ 6]) pins_d |= 0x01; // x= 2, y= 3, mapped pin D3
|
|
pins_d |= (0x10u & p[ 6]); // x= 4, y= 3, mapped pin D4
|
|
break;
|
|
case 9:
|
|
if (0x01u & p[ 4]) pins_d |= 0x02; // x= 0, y= 2, mapped pin D2
|
|
if (0x01u & p[ 7]) pins_b |= 0x40; // x= 8, y= 3, mapped pin D10
|
|
if (0x01u & p[ 9]) pins_b |= 0x20; // x= 8, y= 4, mapped pin D9
|
|
if (0x01u & p[11]) pins_b |= 0x10; // x= 8, y= 5, mapped pin D8
|
|
if (0x01u & p[13]) pins_e |= 0x40; // x= 8, y= 6, mapped pin D7
|
|
if (0x01u & p[15]) pins_d |= 0x80; // x= 8, y= 7, mapped pin D6
|
|
if (0x01u & p[17]) pins_c |= 0x40; // x= 8, y= 8, mapped pin D5
|
|
if (0x04u & p[ 4]) pins_d |= 0x01; // x= 2, y= 2, mapped pin D3
|
|
if (0x80u & p[ 2]) pins_d |= 0x40; // x= 7, y= 1, mapped pin D12
|
|
pins_c |= (0x80u & p[ 0]); // x= 7, y= 0, mapped pin D13
|
|
pins_d |= (0x10u & p[ 4]); // x= 4, y= 2, mapped pin D4
|
|
break;
|
|
case 10:
|
|
if (0x01u & p[ 2]) pins_d |= 0x02; // x= 0, y= 1, mapped pin D2
|
|
if (0x04u & p[ 2]) pins_d |= 0x01; // x= 2, y= 1, mapped pin D3
|
|
if (0x40u & p[ 0]) pins_c |= 0x80; // x= 6, y= 0, mapped pin D13
|
|
if (0x80u & p[ 6]) pins_b |= 0x40; // x= 7, y= 3, mapped pin D10
|
|
if (0x80u & p[ 8]) pins_b |= 0x20; // x= 7, y= 4, mapped pin D9
|
|
if (0x80u & p[10]) pins_b |= 0x10; // x= 7, y= 5, mapped pin D8
|
|
if (0x80u & p[12]) pins_e |= 0x40; // x= 7, y= 6, mapped pin D7
|
|
if (0x80u & p[16]) pins_c |= 0x40; // x= 7, y= 8, mapped pin D5
|
|
pins_b |= (0x80u & p[ 4]); // x= 7, y= 2, mapped pin D11
|
|
pins_d |= (0x10u & p[ 2]); // x= 4, y= 1, mapped pin D4
|
|
pins_d |= (0x80u & p[14]); // x= 7, y= 7, mapped pin D6
|
|
break;
|
|
case 11:
|
|
if (0x01u & p[ 0]) pins_d |= 0x02; // x= 0, y= 0, mapped pin D2
|
|
if (0x04u & p[ 0]) pins_d |= 0x01; // x= 2, y= 0, mapped pin D3
|
|
if (0x40u & p[ 4]) pins_b |= 0x80; // x= 6, y= 2, mapped pin D11
|
|
if (0x40u & p[ 8]) pins_b |= 0x20; // x= 6, y= 4, mapped pin D9
|
|
if (0x40u & p[10]) pins_b |= 0x10; // x= 6, y= 5, mapped pin D8
|
|
if (0x40u & p[14]) pins_d |= 0x80; // x= 6, y= 7, mapped pin D6
|
|
pins_b |= (0x40u & p[ 6]); // x= 6, y= 3, mapped pin D10
|
|
pins_c |= (0x40u & p[16]); // x= 6, y= 8, mapped pin D5
|
|
pins_d |= (0x10u & p[ 0]); // x= 4, y= 0, mapped pin D4
|
|
pins_d |= (0x40u & p[ 2]); // x= 6, y= 1, mapped pin D12
|
|
pins_e |= (0x40u & p[12]); // x= 6, y= 6, mapped pin D7
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Enable pullups (by toggling) on new output pins.
|
|
PINB = PORTB ^ pins_b;
|
|
PINC = PORTC ^ pins_c;
|
|
PIND = PORTD ^ pins_d;
|
|
PINE = PORTE ^ pins_e;
|
|
|
|
// Set pins to output mode; pullups become Vcc/source.
|
|
DDRB |= pins_b;
|
|
DDRC |= pins_c;
|
|
DDRD |= pins_d;
|
|
DDRE |= pins_e;
|
|
|
|
// Set sink pin to GND/sink, turning on current.
|
|
PINB = sink_b;
|
|
PINC = sink_c;
|
|
PIND = sink_d;
|
|
PINE = sink_e;
|
|
#else
|
|
// Set sink pin to Vcc/source, turning off current.
|
|
static uint8_t sink_b = 0, sink_d = 0;
|
|
PIND = sink_d;
|
|
PINB = sink_b;
|
|
|
|
// Set pins to input mode; Vcc/source become pullups.
|
|
DDRD = 0;
|
|
DDRB = 0;
|
|
|
|
static uint8_t const PROGMEM sink_d_cycle[] =
|
|
{0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
|
|
static uint8_t const PROGMEM sink_b_cycle[] =
|
|
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20};
|
|
|
|
uint8_t pins_d = sink_d = pgm_read_byte(&sink_d_cycle[cycle]);
|
|
uint8_t pins_b = sink_b = pgm_read_byte(&sink_b_cycle[cycle]);
|
|
|
|
// convert Borgware-2D framebuffer to LoL Shield cycles on Diavolino
|
|
// NOTE: (0,0) is UPPER RIGHT in the Borgware realm
|
|
if (plane < NUMPLANE) {
|
|
switch(cycle) {
|
|
case 0:
|
|
if (0x02u & p[ 0]) pins_b |= 0x20; // x= 1, y= 0, mapped pin D13
|
|
if (0x02u & p[ 2]) pins_b |= 0x10; // x= 1, y= 1, mapped pin D12
|
|
if (0x02u & p[ 4]) pins_b |= 0x08; // x= 1, y= 2, mapped pin D11
|
|
if (0x02u & p[ 6]) pins_b |= 0x04; // x= 1, y= 3, mapped pin D10
|
|
if (0x02u & p[10]) pins_b |= 0x01; // x= 1, y= 5, mapped pin D8
|
|
if (0x02u & p[12]) pins_d |= 0x80; // x= 1, y= 6, mapped pin D7
|
|
if (0x02u & p[14]) pins_d |= 0x40; // x= 1, y= 7, mapped pin D6
|
|
if (0x02u & p[16]) pins_d |= 0x20; // x= 1, y= 8, mapped pin D5
|
|
pins_b |= (0x02u & p[ 8]); // x= 1, y= 4, mapped pin D9
|
|
break;
|
|
case 1:
|
|
if (0x08u & p[ 0]) pins_b |= 0x20; // x= 3, y= 0, mapped pin D13
|
|
if (0x08u & p[ 2]) pins_b |= 0x10; // x= 3, y= 1, mapped pin D12
|
|
if (0x08u & p[ 6]) pins_b |= 0x04; // x= 3, y= 3, mapped pin D10
|
|
if (0x08u & p[ 8]) pins_b |= 0x02; // x= 3, y= 4, mapped pin D9
|
|
if (0x08u & p[10]) pins_b |= 0x01; // x= 3, y= 5, mapped pin D8
|
|
if (0x08u & p[12]) pins_d |= 0x80; // x= 3, y= 6, mapped pin D7
|
|
if (0x08u & p[14]) pins_d |= 0x40; // x= 3, y= 7, mapped pin D6
|
|
if (0x08u & p[16]) pins_d |= 0x20; // x= 3, y= 8, mapped pin D5
|
|
pins_b |= (0x08u & p[ 4]); // x= 3, y= 2, mapped pin D11
|
|
break;
|
|
case 2:
|
|
if (0x20u & p[ 2]) pins_b |= 0x10; // x= 5, y= 1, mapped pin D12
|
|
if (0x20u & p[ 4]) pins_b |= 0x08; // x= 5, y= 2, mapped pin D11
|
|
if (0x20u & p[ 6]) pins_b |= 0x04; // x= 5, y= 3, mapped pin D10
|
|
if (0x20u & p[ 8]) pins_b |= 0x02; // x= 5, y= 4, mapped pin D9
|
|
if (0x20u & p[10]) pins_b |= 0x01; // x= 5, y= 5, mapped pin D8
|
|
if (0x20u & p[12]) pins_d |= 0x80; // x= 5, y= 6, mapped pin D7
|
|
if (0x20u & p[14]) pins_d |= 0x40; // x= 5, y= 7, mapped pin D6
|
|
pins_b |= (0x20u & p[ 0]); // x= 5, y= 0, mapped pin D13
|
|
pins_d |= (0x20u & p[16]); // x= 5, y= 8, mapped pin D5
|
|
break;
|
|
case 3:
|
|
if (0x01u & p[16]) pins_d |= 0x04; // x= 0, y= 8, mapped pin D2
|
|
if (0x04u & p[16]) pins_d |= 0x08; // x= 2, y= 8, mapped pin D3
|
|
if (0x20u & p[ 3]) pins_b |= 0x10; // x=13, y= 1, mapped pin D12
|
|
if (0x20u & p[ 5]) pins_b |= 0x08; // x=13, y= 2, mapped pin D11
|
|
if (0x20u & p[ 7]) pins_b |= 0x04; // x=13, y= 3, mapped pin D10
|
|
if (0x20u & p[ 9]) pins_b |= 0x02; // x=13, y= 4, mapped pin D9
|
|
if (0x20u & p[11]) pins_b |= 0x01; // x=13, y= 5, mapped pin D8
|
|
if (0x20u & p[13]) pins_d |= 0x80; // x=13, y= 6, mapped pin D7
|
|
if (0x20u & p[15]) pins_d |= 0x40; // x=13, y= 7, mapped pin D6
|
|
pins_b |= (0x20u & p[ 1]); // x=13, y= 0, mapped pin D13
|
|
pins_d |= (0x10u & p[16]); // x= 4, y= 8, mapped pin D4
|
|
break;
|
|
case 4:
|
|
if (0x01u & p[14]) pins_d |= 0x04; // x= 0, y= 7, mapped pin D2
|
|
if (0x04u & p[14]) pins_d |= 0x08; // x= 2, y= 7, mapped pin D3
|
|
if (0x10u & p[ 1]) pins_b |= 0x20; // x=12, y= 0, mapped pin D13
|
|
if (0x10u & p[ 5]) pins_b |= 0x08; // x=12, y= 2, mapped pin D11
|
|
if (0x10u & p[ 7]) pins_b |= 0x04; // x=12, y= 3, mapped pin D10
|
|
if (0x10u & p[ 9]) pins_b |= 0x02; // x=12, y= 4, mapped pin D9
|
|
if (0x10u & p[11]) pins_b |= 0x01; // x=12, y= 5, mapped pin D8
|
|
if (0x10u & p[13]) pins_d |= 0x80; // x=12, y= 6, mapped pin D7
|
|
pins_b |= (0x10u & p[ 3]); // x=12, y= 1, mapped pin D12
|
|
pins_d |= (0x10u & p[14]); // x= 4, y= 7, mapped pin D4
|
|
pins_d |= (0x20u & p[17]); // x=13, y= 8, mapped pin D5
|
|
break;
|
|
case 5:
|
|
if (0x01u & p[12]) pins_d |= 0x04; // x= 0, y= 6, mapped pin D2
|
|
if (0x04u & p[12]) pins_d |= 0x08; // x= 2, y= 6, mapped pin D3
|
|
if (0x08u & p[ 1]) pins_b |= 0x20; // x=11, y= 0, mapped pin D13
|
|
if (0x08u & p[ 3]) pins_b |= 0x10; // x=11, y= 1, mapped pin D12
|
|
if (0x08u & p[ 7]) pins_b |= 0x04; // x=11, y= 3, mapped pin D10
|
|
if (0x08u & p[ 9]) pins_b |= 0x02; // x=11, y= 4, mapped pin D9
|
|
if (0x08u & p[11]) pins_b |= 0x01; // x=11, y= 5, mapped pin D8
|
|
if (0x10u & p[15]) pins_d |= 0x40; // x=12, y= 7, mapped pin D6
|
|
if (0x10u & p[17]) pins_d |= 0x20; // x=12, y= 8, mapped pin D5
|
|
pins_b |= (0x08u & p[ 5]); // x=11, y= 2, mapped pin D11
|
|
pins_d |= (0x10u & p[12]); // x= 4, y= 6, mapped pin D4
|
|
break;
|
|
case 6:
|
|
if (0x01u & p[10]) pins_d |= 0x04; // x= 0, y= 5, mapped pin D2
|
|
if (0x04u & p[ 1]) pins_b |= 0x20; // x=10, y= 0, mapped pin D13
|
|
if (0x04u & p[ 3]) pins_b |= 0x10; // x=10, y= 1, mapped pin D12
|
|
if (0x04u & p[ 5]) pins_b |= 0x08; // x=10, y= 2, mapped pin D11
|
|
if (0x04u & p[ 9]) pins_b |= 0x02; // x=10, y= 4, mapped pin D9
|
|
if (0x04u & p[10]) pins_d |= 0x08; // x= 2, y= 5, mapped pin D3
|
|
if (0x08u & p[13]) pins_d |= 0x80; // x=11, y= 6, mapped pin D7
|
|
if (0x08u & p[15]) pins_d |= 0x40; // x=11, y= 7, mapped pin D6
|
|
if (0x08u & p[17]) pins_d |= 0x20; // x=11, y= 8, mapped pin D5
|
|
pins_b |= (0x04u & p[ 7]); // x=10, y= 3, mapped pin D10
|
|
pins_d |= (0x10u & p[10]); // x= 4, y= 5, mapped pin D4
|
|
break;
|
|
case 7:
|
|
if (0x01u & p[ 8]) pins_d |= 0x04; // x= 0, y= 4, mapped pin D2
|
|
if (0x02u & p[ 1]) pins_b |= 0x20; // x= 9, y= 0, mapped pin D13
|
|
if (0x02u & p[ 3]) pins_b |= 0x10; // x= 9, y= 1, mapped pin D12
|
|
if (0x02u & p[ 5]) pins_b |= 0x08; // x= 9, y= 2, mapped pin D11
|
|
if (0x02u & p[ 7]) pins_b |= 0x04; // x= 9, y= 3, mapped pin D10
|
|
if (0x04u & p[ 8]) pins_d |= 0x08; // x= 2, y= 4, mapped pin D3
|
|
if (0x04u & p[11]) pins_b |= 0x01; // x=10, y= 5, mapped pin D8
|
|
if (0x04u & p[13]) pins_d |= 0x80; // x=10, y= 6, mapped pin D7
|
|
if (0x04u & p[15]) pins_d |= 0x40; // x=10, y= 7, mapped pin D6
|
|
if (0x04u & p[17]) pins_d |= 0x20; // x=10, y= 8, mapped pin D5
|
|
pins_d |= (0x10u & p[ 8]); // x= 4, y= 4, mapped pin D4
|
|
break;
|
|
case 8:
|
|
if (0x01u & p[ 1]) pins_b |= 0x20; // x= 8, y= 0, mapped pin D13
|
|
if (0x01u & p[ 3]) pins_b |= 0x10; // x= 8, y= 1, mapped pin D12
|
|
if (0x01u & p[ 5]) pins_b |= 0x08; // x= 8, y= 2, mapped pin D11
|
|
if (0x01u & p[ 6]) pins_d |= 0x04; // x= 0, y= 3, mapped pin D2
|
|
if (0x02u & p[11]) pins_b |= 0x01; // x= 9, y= 5, mapped pin D8
|
|
if (0x02u & p[13]) pins_d |= 0x80; // x= 9, y= 6, mapped pin D7
|
|
if (0x02u & p[15]) pins_d |= 0x40; // x= 9, y= 7, mapped pin D6
|
|
if (0x02u & p[17]) pins_d |= 0x20; // x= 9, y= 8, mapped pin D5
|
|
if (0x04u & p[ 6]) pins_d |= 0x08; // x= 2, y= 3, mapped pin D3
|
|
pins_b |= (0x02u & p[ 9]); // x= 9, y= 4, mapped pin D9
|
|
pins_d |= (0x10u & p[ 6]); // x= 4, y= 3, mapped pin D4
|
|
break;
|
|
case 9:
|
|
if (0x01u & p[ 4]) pins_d |= 0x04; // x= 0, y= 2, mapped pin D2
|
|
if (0x01u & p[ 7]) pins_b |= 0x04; // x= 8, y= 3, mapped pin D10
|
|
if (0x01u & p[ 9]) pins_b |= 0x02; // x= 8, y= 4, mapped pin D9
|
|
if (0x01u & p[13]) pins_d |= 0x80; // x= 8, y= 6, mapped pin D7
|
|
if (0x01u & p[15]) pins_d |= 0x40; // x= 8, y= 7, mapped pin D6
|
|
if (0x01u & p[17]) pins_d |= 0x20; // x= 8, y= 8, mapped pin D5
|
|
if (0x04u & p[ 4]) pins_d |= 0x08; // x= 2, y= 2, mapped pin D3
|
|
if (0x80u & p[ 0]) pins_b |= 0x20; // x= 7, y= 0, mapped pin D13
|
|
if (0x80u & p[ 2]) pins_b |= 0x10; // x= 7, y= 1, mapped pin D12
|
|
pins_b |= (0x01u & p[11]); // x= 8, y= 5, mapped pin D8
|
|
pins_d |= (0x10u & p[ 4]); // x= 4, y= 2, mapped pin D4
|
|
break;
|
|
case 10:
|
|
if (0x01u & p[ 2]) pins_d |= 0x04; // x= 0, y= 1, mapped pin D2
|
|
if (0x04u & p[ 2]) pins_d |= 0x08; // x= 2, y= 1, mapped pin D3
|
|
if (0x40u & p[ 0]) pins_b |= 0x20; // x= 6, y= 0, mapped pin D13
|
|
if (0x80u & p[ 4]) pins_b |= 0x08; // x= 7, y= 2, mapped pin D11
|
|
if (0x80u & p[ 6]) pins_b |= 0x04; // x= 7, y= 3, mapped pin D10
|
|
if (0x80u & p[ 8]) pins_b |= 0x02; // x= 7, y= 4, mapped pin D9
|
|
if (0x80u & p[10]) pins_b |= 0x01; // x= 7, y= 5, mapped pin D8
|
|
if (0x80u & p[14]) pins_d |= 0x40; // x= 7, y= 7, mapped pin D6
|
|
if (0x80u & p[16]) pins_d |= 0x20; // x= 7, y= 8, mapped pin D5
|
|
pins_d |= (0x10u & p[ 2]); // x= 4, y= 1, mapped pin D4
|
|
pins_d |= (0x80u & p[12]); // x= 7, y= 6, mapped pin D7
|
|
break;
|
|
case 11:
|
|
if (0x01u & p[ 0]) pins_d |= 0x04; // x= 0, y= 0, mapped pin D2
|
|
if (0x04u & p[ 0]) pins_d |= 0x08; // x= 2, y= 0, mapped pin D3
|
|
if (0x40u & p[ 2]) pins_b |= 0x10; // x= 6, y= 1, mapped pin D12
|
|
if (0x40u & p[ 4]) pins_b |= 0x08; // x= 6, y= 2, mapped pin D11
|
|
if (0x40u & p[ 6]) pins_b |= 0x04; // x= 6, y= 3, mapped pin D10
|
|
if (0x40u & p[ 8]) pins_b |= 0x02; // x= 6, y= 4, mapped pin D9
|
|
if (0x40u & p[10]) pins_b |= 0x01; // x= 6, y= 5, mapped pin D8
|
|
if (0x40u & p[12]) pins_d |= 0x80; // x= 6, y= 6, mapped pin D7
|
|
if (0x40u & p[16]) pins_d |= 0x20; // x= 6, y= 8, mapped pin D5
|
|
pins_d |= (0x10u & p[ 0]); // x= 4, y= 0, mapped pin D4
|
|
pins_d |= (0x40u & p[14]); // x= 6, y= 7, mapped pin D6
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Enable pullups on new output pins.
|
|
PORTD = pins_d;
|
|
PORTB = pins_b;
|
|
// Set pins to output mode; pullups become Vcc/source.
|
|
DDRD = pins_d;
|
|
DDRB = pins_b;
|
|
// Set sink pin to GND/sink, turning on current.
|
|
PIND = sink_d;
|
|
PINB = sink_b;
|
|
#endif
|
|
}
|
|
|
|
#if !defined (__AVR_ATmega32U4__)
|
|
ISR(TIMER2_OVF_vect) {
|
|
#else
|
|
ISR(TIMER1_COMPA_vect) {
|
|
#endif
|
|
// For each cycle, we have potential planes to display. Once every plane has
|
|
// been displayed, then we move on to the next cycle.
|
|
// NOTE: a "cycle" is a subset of LEDs that can be driven at once.
|
|
|
|
// 12 Cycles of Matrix
|
|
static uint8_t cycle = 0;
|
|
|
|
// planes to display
|
|
// NOTE: a "plane" in the Borgware is the same as a "page" in Jimmie's lib
|
|
static uint8_t plane = 0;
|
|
|
|
#if defined (__AVR_ATmega48__) || \
|
|
defined (__AVR_ATmega48P__) || \
|
|
defined (__AVR_ATmega88__) || \
|
|
defined (__AVR_ATmega88P__) || \
|
|
defined (__AVR_ATmega168__) || \
|
|
defined (__AVR_ATmega168P__) || \
|
|
defined (__AVR_ATmega328__) || \
|
|
defined (__AVR_ATmega328P__) || \
|
|
defined (__AVR_ATmega1280__) || \
|
|
defined (__AVR_ATmega2560__)
|
|
TCCR2B = prescaler[plane];
|
|
#elif defined (__AVR_ATmega8__) || \
|
|
defined (__AVR_ATmega128__)
|
|
TCCR2 = prescaler[page];
|
|
#elif defined (__AVR_ATmega32U4__)
|
|
TCCR1B = prescaler[plane];
|
|
#endif
|
|
#if !defined (__AVR_ATmega32U4__)
|
|
TCNT2 = counts[plane];
|
|
#else
|
|
TCNT1 = counts[plane];
|
|
#endif
|
|
|
|
// distribute framebuffer contents among current cycle pins
|
|
compose_cycle(cycle, plane++);
|
|
|
|
if (plane >= (NUMPLANE + 1)) {
|
|
plane = 0;
|
|
cycle++;
|
|
if (cycle >= 12) {
|
|
cycle = 0;
|
|
}
|
|
}
|
|
wdt_reset();
|
|
}
|
|
|
|
void borg_hw_init() {
|
|
|
|
#if defined (__AVR_ATmega48__) || \
|
|
defined (__AVR_ATmega48P__) || \
|
|
defined (__AVR_ATmega88__) || \
|
|
defined (__AVR_ATmega88P__) || \
|
|
defined (__AVR_ATmega168__) || \
|
|
defined (__AVR_ATmega168P__) || \
|
|
defined (__AVR_ATmega328__) || \
|
|
defined (__AVR_ATmega328P__) || \
|
|
defined (__AVR_ATmega1280__) || \
|
|
defined (__AVR_ATmega2560__)
|
|
TIMSK2 &= ~(_BV(TOIE2) | _BV(OCIE2A));
|
|
TCCR2A &= ~(_BV(WGM21) | _BV(WGM20));
|
|
TCCR2B &= ~_BV(WGM22);
|
|
ASSR &= ~_BV(AS2);
|
|
#elif defined (__AVR_ATmega8__)
|
|
TIMSK &= ~(_BV(TOIE2) | _BV(OCIE2));
|
|
TCCR2 &= ~(_BV(WGM21) | _BV(WGM20));
|
|
ASSR &= ~_BV(AS2);
|
|
#elif defined (__AVR_ATmega128__)
|
|
TIMSK &= ~(_BV(TOIE2) | _BV(OCIE2));
|
|
TCCR2 &= ~(_BV(WGM21) | _BV(WGM20));
|
|
#elif defined (__AVR_ATmega32U4__)
|
|
// The only 8bit timer on the Leonardo is used by default, so we use the 16bit Timer1
|
|
// in CTC mode with a compare value of 256 to achieve the same behaviour.
|
|
TIMSK1 &= ~(_BV(TOIE1) | _BV(OCIE1A));
|
|
TCCR1A &= ~(_BV(WGM10) | _BV(WGM11));
|
|
OCR1A = 256;
|
|
#endif
|
|
|
|
#if NUMPLANE >= 8
|
|
setBrightness();
|
|
#endif
|
|
|
|
// Then start the display
|
|
#if defined (__AVR_ATmega48__) || \
|
|
defined (__AVR_ATmega48P__) || \
|
|
defined (__AVR_ATmega88__) || \
|
|
defined (__AVR_ATmega88P__) || \
|
|
defined (__AVR_ATmega168__) || \
|
|
defined (__AVR_ATmega168P__) || \
|
|
defined (__AVR_ATmega328__) || \
|
|
defined (__AVR_ATmega328P__) || \
|
|
defined (__AVR_ATmega1280__) || \
|
|
defined (__AVR_ATmega2560__)
|
|
TIMSK2 |= _BV(TOIE2);
|
|
TCCR2B = FASTPRESCALER;
|
|
#elif defined (__AVR_ATmega8__) || \
|
|
defined (__AVR_ATmega128__)
|
|
TIMSK |= _BV(TOIE2);
|
|
TCCR2 = FASTPRESCALER;
|
|
#elif defined (__AVR_ATmega32U4__)
|
|
// Enable output compare match interrupt
|
|
TIMSK1 |= _BV(OCIE1A);
|
|
TCCR1B = FASTPRESCALER;
|
|
#endif
|
|
// interrupt ASAP
|
|
#if !defined (__AVR_ATmega32U4__)
|
|
TCNT2 = 255;
|
|
#else
|
|
TCNT1 = 255;
|
|
#endif
|
|
|
|
// activate watchdog timer
|
|
wdt_reset();
|
|
wdt_enable(WDTO_15MS); // 15ms watchdog
|
|
}
|