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wordclock/src/borg_hw/borg_hw_lolshield.c

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first working driver for Diavolino/LoL Shield
11 years ago
/**
* @file borg_hw_lolshield.c
* @brief Driver for Jimmie Rodgers' LoL Shield
* @author Christian Kroll
* @author Jimmie Rodgers
* @date 2014
* @copyright GNU Public License 2 or later
* @see http://jimmieprodgers.com/kits/lolshield/
*
* This driver is partly based on Jimmie Rodger's LoL Shield Library which
* is available at https://code.google.com/p/lolshield/ (parts of the file
* "Charliplexing.cpp" have been incorporated into this file).
*
* 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
*/
#include "../config.h"
#include "../makros.h"
#include <stdint.h>
#include <avr/interrupt.h>
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/pgmspace.h>
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#if NUMPLANE >= 8
# include <math.h>
#endif
first working driver for Diavolino/LoL Shield
11 years ago
#include "borg_hw.h"
// buffer which holds the currently shown frame
unsigned char pixmap[NUMPLANE][NUM_ROWS][LINEBYTES];
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
// Number of ticks of the prescaled timer per cycle per frame, based on the
// CPU clock speed and the desired frame rate.
first working driver for Diavolino/LoL Shield
11 years ago
#define FRAMERATE 80UL
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#define TICKS (F_CPU + 6 * (FRAMERATE << SLOWSCALERSHIFT)) / (12 * (FRAMERATE << SLOWSCALERSHIFT))
first working driver for Diavolino/LoL Shield
11 years ago
#define CUTOFF(scaler) ((128 * 12 - 6) * FRAMERATE * scaler)
#if defined (__AVR_ATmega168__) || defined (__AVR_ATmega48__) || defined (__AVR_ATmega88__) || defined (__AVR_ATmega328P__) || defined (__AVR_ATmega1280__) || defined (__AVR_ATmega2560__) || defined (__AVR_ATmega8__)
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
# if F_CPU < CUTOFF(8)
# define FASTPRESCALER (_BV(CS20)) // 1
# define SLOWPRESCALER (_BV(CS21)) // 8
# define FASTSCALERSHIFT 3
# define SLOWSCALERSHIFT 3
# elif F_CPU < CUTOFF(32)
# define FASTPRESCALER (_BV(CS21)) // 8
# define SLOWPRESCALER (_BV(CS21) | _BV(CS20)) // 32
# define FASTSCALERSHIFT 2
# define SLOWSCALERSHIFT 5
# elif F_CPU < CUTOFF(64)
# define FASTPRESCALER (_BV(CS21)) // 8
# define SLOWPRESCALER (_BV(CS22)) // 64
# define FASTSCALERSHIFT 3
# define SLOWSCALERSHIFT 6
first working driver for Diavolino/LoL Shield
11 years ago
# elif F_CPU < CUTOFF(128)
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
# define FASTPRESCALER (_BV(CS21) | _BV(CS20)) // 32
# define SLOWPRESCALER (_BV(CS22) | _BV(CS20)) // 128
# define FASTSCALERSHIFT 2
# define SLOWSCALERSHIFT 7
# elif F_CPU < CUTOFF(256)
# define FASTPRESCALER (_BV(CS21) | _BV(CS20)) // 32
# define SLOWPRESCALER (_BV(CS22) | _BV(CS21)) // 256
# define FASTSCALERSHIFT 3
# define SLOWSCALERSHIFT 8
first working driver for Diavolino/LoL Shield
11 years ago
# elif F_CPU < CUTOFF(1024)
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
# define FASTPRESCALER (_BV(CS22) | _BV(CS20)) // 128
# define SLOWPRESCALER (_BV(CS22) | _BV(CS21) | _BV(CS20)) // 1024
# define FASTSCALERSHIFT 3
# define SLOWSCALERSHIFT 10
# else
# error frame rate is too low
# endif
#elif defined (__AVR_ATmega32U4__)
# if F_CPU < CUTOFF(8)
# define FASTPRESCALER (_BV(WGM12) | _BV(CS10)) // 1
# define SLOWPRESCALER (_BV(WGM12) | _BV(CS11)) // 8
# define FASTSCALERSHIFT 3
# define SLOWSCALERSHIFT 3
# elif F_CPU < CUTOFF(64)
# define FASTPRESCALER (_BV(WGM12) | _BV(CS11)) // 8
# define SLOWPRESCALER (_BV(WGM12) | _BV(CS11) | _BV(CS10)) // 64
# define FASTSCALERSHIFT 3
# define SLOWSCALERSHIFT 6
# elif F_CPU < CUTOFF(256)
# define FASTPRESCALER (_BV(WGM12) | _BV(CS11) | _BV(CS10)) // 64
# define SLOWPRESCALER (_BV(WGM12) | _BV(CS12)) // 256
# define FASTSCALERSHIFT 2
# define SLOWSCALERSHIFT 8
# elif F_CPU < CUTOFF(1024)
# define FASTPRESCALER (_BV(WGM12) | _BV(CS12)) // 256
# define SLOWPRESCALER (_BV(WGM12) | _BV(CS12) | _BV(CS10)) // 1024
# define FASTSCALERSHIFT 2
# define SLOWSCALERSHIFT 10
# else
# error frame rate is too low
# endif
first working driver for Diavolino/LoL Shield
11 years ago
#else
# error no support for this chip
#endif
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#ifndef BRIGHTNESS
# define BRIGHTNESS 127 /* full brightness by default */
#elif BRIGHTNESS < 0 || BRIGHTNESS > 127
# error BRIGHTNESS must be between 0 and 127
#endif
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#define BRIGHTNESSPERCENT ((BRIGHTNESS * BRIGHTNESS + 8ul) / 16ul)
#define M (TICKS << FASTSCALERSHIFT) * BRIGHTNESSPERCENT /*10b*/
#define C(x) ((M * (unsigned long)(x * 1024) + (1 << 19)) >> 20) /*10b+10b-20b=0b*/
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#if NUMPLANE < 8
uint8_t const prescaler[NUMPLANE + 1] = {
FASTPRESCALER,
# if NUMPLANE >= 2
FASTPRESCALER,
# endif
# if NUMPLANE >= 3
FASTPRESCALER,
# endif
# if NUMPLANE >= 4
FASTPRESCALER,
# endif
# if NUMPLANE >= 5
FASTPRESCALER,
# endif
# if NUMPLANE >= 6
FASTPRESCALER,
# endif
# if NUMPLANE >= 7
FASTPRESCALER,
# endif
SLOWPRESCALER
};
#else
uint8_t prescaler[NUMPLANE + 1] = {0};
#endif
uint8_t counts[NUMPLANE + 1] = {0};
/**
* Set the overall brightness of the screen from 0 (off) to 127 (full on).
*/
static void setBrightness()
{
/* ---- This needs review! Please review. -- thilo */
// set up page counts
uint8_t i;
// NOTE: The argument of C() is calculated as follows:
// pow((double)x / (double)NUMPLANE, 1.8) with 0 <= x <= NUMPLANE
// Changing the scale of 1.8 invalidates any tables above!
#if NUMPLANE < 8
int const temp_counts[NUMPLANE + 1] = {
0.000000000000000000000000000,
# if NUMPLANE == 2
C(0.287174588749258719033719),
# elif NUMPLANE == 3
C(0.138414548846168578011273),
C(0.481987453865643789008288),
# elif NUMPLANE == 4
C(0.082469244423305887448095),
C(0.287174588749258719033719),
C(0.595813410589956848895099),
# elif NUMPLANE == 5
C(0.055189186458448592775827),
C(0.192179909437029006191722),
C(0.398723883569384374148115),
C(0.669209313658414961523135),
# elif NUMPLANE == 6
C(0.039749141141812646682574),
C(0.138414548846168578011273),
C(0.287174588749258719033719),
C(0.481987453865643789008288),
C(0.720234228706005730202833),
# elif NUMPLANE == 7
C(0.030117819624378608378557),
C(0.104876339357015443964904),
C(0.217591430058779483625031),
C(0.365200625214741059210155),
C(0.545719579451565794947498),
C(0.757697368024318751444923),
# endif
C(1.000000000000000000000000),
};
#else
# warning "NUMPLANE >= 8 links floating point stuff into the image"
// NOTE: Changing "scale" invalidates any tables above!
const float scale = 1.8f;
int temp_counts[NUMPLANE + 1] = {0};
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
for (i = 1; i < (NUMPLANE + 1); i++) {
temp_counts[i] = C(pow(i / (float)(NUMPLANE), scale));
}
#endif
// Compute on time for each of the pages
// Use the fast timer; slow timer is only useful for < 3 shades.
for (i = 0; i < NUMPLANE; i++) {
int interval = temp_counts[i + 1] - temp_counts[i];
counts[i] = 256 - (interval ? interval : 1);
#if NUMPLANE >= 8
prescaler[i] = FASTPRESCALER;
#endif
}
// Compute off time
int interval = TICKS - (temp_counts[i] >> FASTSCALERSHIFT);
counts[i] = 256 - (interval ? interval : 1);
#if NUMPLANE >= 8
prescaler[i] = SLOWPRESCALER;
#endif
}
/**
* Distributes the framebuffer content among current cycle pins.
* @param cycle The cycle whose pattern should to be composed.
* @param plane The plane ("page" in LoL Shield lingo) to be drawn.
*/
static void compose_cycle(uint8_t const cycle, uint8_t plane) {
first working driver for Diavolino/LoL Shield
11 years ago
// pointer to corresponding bitmap
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
uint8_t *const p = &pixmap[plane][0][0];
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#if defined (__AVR_ATmega1280__) || defined (__AVR_ATmega2560__)
# warning "BEWARE: Borgware-2D has not been tested on Arduino Mega 1280/2560!"
// Set sink pin to Vcc/source, turning off current.
static uint8_t sink_b = 0, sink_e = 0, sink_g = 0, sink_h = 0;
PINB = sink_b;
PINE = sink_e;
PING = sink_g;
PINH = sink_h;
DDRB &= ~0xf0;
DDRE &= ~0x38;
DDRG &= ~0x20;
DDRH &= ~0x78;
static uint8_t const sink_b_cycle[] =
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x20, 0x40, 0x80};
static uint8_t const sink_e_cycle[] =
{0x10, 0x20, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static uint8_t const sink_g_cycle[] =
{0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static uint8_t const sink_h_cycle[] =
{0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x20, 0x40, 0x00, 0x00, 0x00, 0x00};
uint8_t pins_b = sink_b = pgm_read_byte(&sink_b_cycle[cycle]);
uint8_t pins_e = sink_e = pgm_read_byte(&sink_e_cycle[cycle]);
uint8_t pins_g = sink_g = pgm_read_byte(&sink_g_cycle[cycle]);
uint8_t pins_h = sink_h = pgm_read_byte(&sink_h_cycle[cycle]);
// convert framebuffer to LoL Shield cycles on Arduino Mega 1280/2560
// (I could have done this with a lookup table, but that would be slower as
// non-constant bit shifts are quite expensive on AVR)
// NOTE: (0,0) is UPPER RIGHT in the Borgware realm
if (plane < NUMPLANE) {
switch(cycle) {
case 0:
pins_b |= (0x02u & p[ 0]) << 6; // x= 1, y= 0, mapped pin D13
pins_b |= (0x02u & p[ 2]) << 5; // x= 1, y= 1, mapped pin D12
pins_b |= (0x02u & p[ 4]) << 4; // x= 1, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 6]) << 3; // x= 1, y= 3, mapped pin D10
pins_e |= (0x02u & p[16]) << 2; // x= 1, y= 8, mapped pin D5
pins_h |= (0x02u & p[ 8]) << 5; // x= 1, y= 4, mapped pin D9
pins_h |= (0x02u & p[10]) << 4; // x= 1, y= 5, mapped pin D8
pins_h |= (0x02u & p[12]) << 3; // x= 1, y= 6, mapped pin D7
pins_h |= (0x02u & p[14]) << 2; // x= 1, y= 7, mapped pin D6
break;
case 1:
pins_b |= (0x08u & p[ 0]) << 4; // x= 3, y= 0, mapped pin D13
pins_b |= (0x08u & p[ 2]) << 3; // x= 3, y= 1, mapped pin D12
pins_b |= (0x08u & p[ 4]) << 2; // x= 3, y= 2, mapped pin D11
pins_b |= (0x08u & p[ 6]) << 1; // x= 3, y= 3, mapped pin D10
pins_e |= (0x08u & p[16]); // x= 3, y= 8, mapped pin D5
pins_h |= (0x08u & p[ 8]) << 3; // x= 3, y= 4, mapped pin D9
pins_h |= (0x08u & p[10]) << 2; // x= 3, y= 5, mapped pin D8
pins_h |= (0x08u & p[12]) << 1; // x= 3, y= 6, mapped pin D7
pins_h |= (0x08u & p[14]); // x= 3, y= 7, mapped pin D6
break;
case 2:
pins_b |= (0x20u & p[ 0]) << 2; // x= 5, y= 0, mapped pin D13
pins_b |= (0x20u & p[ 2]) << 1; // x= 5, y= 1, mapped pin D12
pins_b |= (0x20u & p[ 4]); // x= 5, y= 2, mapped pin D11
pins_b |= (0x20u & p[ 6]) >> 1; // x= 5, y= 3, mapped pin D10
pins_e |= (0x20u & p[16]) >> 2; // x= 5, y= 8, mapped pin D5
pins_h |= (0x20u & p[ 8]) << 1; // x= 5, y= 4, mapped pin D9
pins_h |= (0x20u & p[10]); // x= 5, y= 5, mapped pin D8
pins_h |= (0x20u & p[12]) >> 1; // x= 5, y= 6, mapped pin D7
pins_h |= (0x20u & p[14]) >> 2; // x= 5, y= 7, mapped pin D6
break;
case 3:
pins_b |= (0x20u & p[ 1]) << 2; // x=13, y= 0, mapped pin D13
pins_b |= (0x20u & p[ 3]) << 1; // x=13, y= 1, mapped pin D12
pins_b |= (0x20u & p[ 5]); // x=13, y= 2, mapped pin D11
pins_b |= (0x20u & p[ 7]) >> 1; // x=13, y= 3, mapped pin D10
pins_e |= (0x01u & p[16]) << 4; // x= 0, y= 8, mapped pin D2
pins_e |= (0x04u & p[16]) << 3; // x= 2, y= 8, mapped pin D3
pins_g |= (0x10u & p[16]) << 1; // x= 4, y= 8, mapped pin D4
pins_h |= (0x20u & p[ 9]) << 1; // x=13, y= 4, mapped pin D9
pins_h |= (0x20u & p[11]); // x=13, y= 5, mapped pin D8
pins_h |= (0x20u & p[13]) >> 1; // x=13, y= 6, mapped pin D7
pins_h |= (0x20u & p[15]) >> 2; // x=13, y= 7, mapped pin D6
break;
case 4:
pins_b |= (0x10u & p[ 1]) << 3; // x=12, y= 0, mapped pin D13
pins_b |= (0x10u & p[ 3]) << 2; // x=12, y= 1, mapped pin D12
pins_b |= (0x10u & p[ 5]) << 1; // x=12, y= 2, mapped pin D11
pins_b |= (0x10u & p[ 7]); // x=12, y= 3, mapped pin D10
pins_e |= (0x01u & p[14]) << 4; // x= 0, y= 7, mapped pin D2
pins_e |= (0x04u & p[14]) << 3; // x= 2, y= 7, mapped pin D3
pins_e |= (0x20u & p[17]) >> 2; // x=13, y= 8, mapped pin D5
pins_g |= (0x10u & p[14]) << 1; // x= 4, y= 7, mapped pin D4
pins_h |= (0x10u & p[ 9]) << 2; // x=12, y= 4, mapped pin D9
pins_h |= (0x10u & p[11]) << 1; // x=12, y= 5, mapped pin D8
pins_h |= (0x10u & p[13]); // x=12, y= 6, mapped pin D7
break;
case 5:
pins_b |= (0x08u & p[ 1]) << 4; // x=11, y= 0, mapped pin D13
pins_b |= (0x08u & p[ 3]) << 3; // x=11, y= 1, mapped pin D12
pins_b |= (0x08u & p[ 5]) << 2; // x=11, y= 2, mapped pin D11
pins_b |= (0x08u & p[ 7]) << 1; // x=11, y= 3, mapped pin D10
pins_e |= (0x01u & p[12]) << 4; // x= 0, y= 6, mapped pin D2
pins_e |= (0x04u & p[12]) << 3; // x= 2, y= 6, mapped pin D3
pins_e |= (0x10u & p[17]) >> 1; // x=12, y= 8, mapped pin D5
pins_g |= (0x10u & p[12]) << 1; // x= 4, y= 6, mapped pin D4
pins_h |= (0x08u & p[ 9]) << 3; // x=11, y= 4, mapped pin D9
pins_h |= (0x08u & p[11]) << 2; // x=11, y= 5, mapped pin D8
pins_h |= (0x10u & p[15]) >> 1; // x=12, y= 7, mapped pin D6
break;
case 6:
pins_b |= (0x04u & p[ 1]) << 5; // x=10, y= 0, mapped pin D13
pins_b |= (0x04u & p[ 3]) << 4; // x=10, y= 1, mapped pin D12
pins_b |= (0x04u & p[ 5]) << 3; // x=10, y= 2, mapped pin D11
pins_b |= (0x04u & p[ 7]) << 2; // x=10, y= 3, mapped pin D10
pins_e |= (0x01u & p[10]) << 4; // x= 0, y= 5, mapped pin D2
pins_e |= (0x04u & p[10]) << 3; // x= 2, y= 5, mapped pin D3
pins_e |= (0x08u & p[17]); // x=11, y= 8, mapped pin D5
pins_g |= (0x10u & p[10]) << 1; // x= 4, y= 5, mapped pin D4
pins_h |= (0x04u & p[ 9]) << 4; // x=10, y= 4, mapped pin D9
pins_h |= (0x08u & p[13]) << 1; // x=11, y= 6, mapped pin D7
pins_h |= (0x08u & p[15]); // x=11, y= 7, mapped pin D6
break;
case 7:
pins_b |= (0x02u & p[ 1]) << 6; // x= 9, y= 0, mapped pin D13
pins_b |= (0x02u & p[ 3]) << 5; // x= 9, y= 1, mapped pin D12
pins_b |= (0x02u & p[ 5]) << 4; // x= 9, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 7]) << 3; // x= 9, y= 3, mapped pin D10
pins_e |= (0x01u & p[ 8]) << 4; // x= 0, y= 4, mapped pin D2
pins_e |= (0x04u & p[ 8]) << 3; // x= 2, y= 4, mapped pin D3
pins_e |= (0x04u & p[17]) << 1; // x=10, y= 8, mapped pin D5
pins_g |= (0x10u & p[ 8]) << 1; // x= 4, y= 4, mapped pin D4
pins_h |= (0x04u & p[11]) << 3; // x=10, y= 5, mapped pin D8
pins_h |= (0x04u & p[13]) << 2; // x=10, y= 6, mapped pin D7
pins_h |= (0x04u & p[15]) << 1; // x=10, y= 7, mapped pin D6
break;
case 8:
pins_b |= (0x01u & p[ 1]) << 7; // x= 8, y= 0, mapped pin D13
pins_b |= (0x01u & p[ 3]) << 6; // x= 8, y= 1, mapped pin D12
pins_b |= (0x01u & p[ 5]) << 5; // x= 8, y= 2, mapped pin D11
pins_e |= (0x01u & p[ 6]) << 4; // x= 0, y= 3, mapped pin D2
pins_e |= (0x02u & p[17]) << 2; // x= 9, y= 8, mapped pin D5
pins_e |= (0x04u & p[ 6]) << 3; // x= 2, y= 3, mapped pin D3
pins_g |= (0x10u & p[ 6]) << 1; // x= 4, y= 3, mapped pin D4
pins_h |= (0x02u & p[ 9]) << 5; // x= 9, y= 4, mapped pin D9
pins_h |= (0x02u & p[11]) << 4; // x= 9, y= 5, mapped pin D8
pins_h |= (0x02u & p[13]) << 3; // x= 9, y= 6, mapped pin D7
pins_h |= (0x02u & p[15]) << 2; // x= 9, y= 7, mapped pin D6
break;
case 9:
pins_b |= (0x01u & p[ 7]) << 4; // x= 8, y= 3, mapped pin D10
pins_b |= (0x80u & p[ 0]); // x= 7, y= 0, mapped pin D13
pins_b |= (0x80u & p[ 2]) >> 1; // x= 7, y= 1, mapped pin D12
pins_e |= (0x01u & p[ 4]) << 4; // x= 0, y= 2, mapped pin D2
pins_e |= (0x01u & p[17]) << 3; // x= 8, y= 8, mapped pin D5
pins_e |= (0x04u & p[ 4]) << 3; // x= 2, y= 2, mapped pin D3
pins_g |= (0x10u & p[ 4]) << 1; // x= 4, y= 2, mapped pin D4
pins_h |= (0x01u & p[ 9]) << 6; // x= 8, y= 4, mapped pin D9
pins_h |= (0x01u & p[11]) << 5; // x= 8, y= 5, mapped pin D8
pins_h |= (0x01u & p[13]) << 4; // x= 8, y= 6, mapped pin D7
pins_h |= (0x01u & p[15]) << 3; // x= 8, y= 7, mapped pin D6
break;
case 10:
pins_b |= (0x40u & p[ 0]) << 1; // x= 6, y= 0, mapped pin D13
pins_b |= (0x80u & p[ 4]) >> 2; // x= 7, y= 2, mapped pin D11
pins_b |= (0x80u & p[ 6]) >> 3; // x= 7, y= 3, mapped pin D10
pins_e |= (0x01u & p[ 2]) << 4; // x= 0, y= 1, mapped pin D2
pins_e |= (0x04u & p[ 2]) << 3; // x= 2, y= 1, mapped pin D3
pins_e |= (0x80u & p[16]) >> 4; // x= 7, y= 8, mapped pin D5
pins_g |= (0x10u & p[ 2]) << 1; // x= 4, y= 1, mapped pin D4
pins_h |= (0x80u & p[ 8]) >> 1; // x= 7, y= 4, mapped pin D9
pins_h |= (0x80u & p[10]) >> 2; // x= 7, y= 5, mapped pin D8
pins_h |= (0x80u & p[12]) >> 3; // x= 7, y= 6, mapped pin D7
pins_h |= (0x80u & p[14]) >> 4; // x= 7, y= 7, mapped pin D6
break;
case 11:
pins_b |= (0x40u & p[ 2]); // x= 6, y= 1, mapped pin D12
pins_b |= (0x40u & p[ 4]) >> 1; // x= 6, y= 2, mapped pin D11
pins_b |= (0x40u & p[ 6]) >> 2; // x= 6, y= 3, mapped pin D10
pins_e |= (0x01u & p[ 0]) << 4; // x= 0, y= 0, mapped pin D2
pins_e |= (0x04u & p[ 0]) << 3; // x= 2, y= 0, mapped pin D3
pins_e |= (0x40u & p[16]) >> 3; // x= 6, y= 8, mapped pin D5
pins_g |= (0x10u & p[ 0]) << 1; // x= 4, y= 0, mapped pin D4
pins_h |= (0x40u & p[ 8]); // x= 6, y= 4, mapped pin D9
pins_h |= (0x40u & p[10]) >> 1; // x= 6, y= 5, mapped pin D8
pins_h |= (0x40u & p[12]) >> 2; // x= 6, y= 6, mapped pin D7
pins_h |= (0x40u & p[14]) >> 3; // x= 6, y= 7, mapped pin D6
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;
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
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
// (I could have done this with a lookup table, but that would be slower as
// non-constant bit shifts are quite expensive on AVR)
// NOTE: (0,0) is UPPER RIGHT in the Borgware realm
if (plane < NUMPLANE) {
switch(cycle) {
case 0:
pins_b |= (0x02u & p[ 4]) << 6; // x= 1, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 6]) << 5; // x= 1, y= 3, mapped pin D10
pins_b |= (0x02u & p[ 8]) << 4; // x= 1, y= 4, mapped pin D9
pins_b |= (0x02u & p[10]) << 3; // x= 1, y= 5, mapped pin D8
pins_c |= (0x02u & p[ 0]) << 6; // x= 1, y= 0, mapped pin D13
pins_c |= (0x02u & p[16]) << 5; // x= 1, y= 8, mapped pin D5
pins_d |= (0x02u & p[ 2]) << 5; // x= 1, y= 1, mapped pin D12
pins_d |= (0x02u & p[14]) << 6; // x= 1, y= 7, mapped pin D6
pins_e |= (0x02u & p[12]) << 5; // x= 1, y= 6, mapped pin D7
break;
case 1:
pins_b |= (0x08u & p[ 4]) << 4; // x= 3, y= 2, mapped pin D11
pins_b |= (0x08u & p[ 6]) << 3; // x= 3, y= 3, mapped pin D10
pins_b |= (0x08u & p[ 8]) << 2; // x= 3, y= 4, mapped pin D9
pins_b |= (0x08u & p[10]) << 1; // x= 3, y= 5, mapped pin D8
pins_c |= (0x08u & p[ 0]) << 4; // x= 3, y= 0, mapped pin D13
pins_c |= (0x08u & p[16]) << 3; // x= 3, y= 8, mapped pin D5
pins_d |= (0x08u & p[ 2]) << 3; // x= 3, y= 1, mapped pin D12
pins_d |= (0x08u & p[14]) << 4; // x= 3, y= 7, mapped pin D6
pins_e |= (0x08u & p[12]) << 3; // x= 3, y= 6, mapped pin D7
break;
case 2:
pins_b |= (0x20u & p[ 4]) << 2; // x= 5, y= 2, mapped pin D11
pins_b |= (0x20u & p[ 6]) << 1; // x= 5, y= 3, mapped pin D10
pins_b |= (0x20u & p[ 8]); // x= 5, y= 4, mapped pin D9
pins_b |= (0x20u & p[10]) >> 1; // x= 5, y= 5, mapped pin D8
pins_c |= (0x20u & p[ 0]) << 2; // x= 5, y= 0, mapped pin D13
pins_c |= (0x20u & p[16]) << 1; // x= 5, y= 8, mapped pin D5
pins_d |= (0x20u & p[ 2]) << 1; // x= 5, y= 1, mapped pin D12
pins_d |= (0x20u & p[14]) << 2; // x= 5, y= 7, mapped pin D6
pins_e |= (0x20u & p[12]) << 1; // x= 5, y= 6, mapped pin D7
break;
case 3:
pins_b |= (0x20u & p[ 5]) << 2; // x=13, y= 2, mapped pin D11
pins_b |= (0x20u & p[ 7]) << 1; // x=13, y= 3, mapped pin D10
pins_b |= (0x20u & p[ 9]); // x=13, y= 4, mapped pin D9
pins_b |= (0x20u & p[11]) >> 1; // x=13, y= 5, mapped pin D8
pins_c |= (0x20u & p[ 1]) << 2; // x=13, y= 0, mapped pin D13
pins_d |= (0x01u & p[16]) << 1; // x= 0, y= 8, mapped pin D2
pins_d |= (0x04u & p[16]) >> 2; // x= 2, y= 8, mapped pin D3
pins_d |= (0x10u & p[16]); // x= 4, y= 8, mapped pin D4
pins_d |= (0x20u & p[ 3]) << 1; // x=13, y= 1, mapped pin D12
pins_d |= (0x20u & p[15]) << 2; // x=13, y= 7, mapped pin D6
pins_e |= (0x20u & p[13]) << 1; // x=13, y= 6, mapped pin D7
break;
case 4:
pins_b |= (0x10u & p[ 5]) << 3; // x=12, y= 2, mapped pin D11
pins_b |= (0x10u & p[ 7]) << 2; // x=12, y= 3, mapped pin D10
pins_b |= (0x10u & p[ 9]) << 1; // x=12, y= 4, mapped pin D9
pins_b |= (0x10u & p[11]); // x=12, y= 5, mapped pin D8
pins_c |= (0x10u & p[ 1]) << 3; // x=12, y= 0, mapped pin D13
pins_c |= (0x20u & p[17]) << 1; // x=13, y= 8, mapped pin D5
pins_d |= (0x01u & p[14]) << 1; // x= 0, y= 7, mapped pin D2
pins_d |= (0x04u & p[14]) >> 2; // x= 2, y= 7, mapped pin D3
pins_d |= (0x10u & p[ 3]) << 2; // x=12, y= 1, mapped pin D12
pins_d |= (0x10u & p[14]); // x= 4, y= 7, mapped pin D4
pins_e |= (0x10u & p[13]) << 2; // x=12, y= 6, mapped pin D7
break;
case 5:
pins_b |= (0x08u & p[ 5]) << 4; // x=11, y= 2, mapped pin D11
pins_b |= (0x08u & p[ 7]) << 3; // x=11, y= 3, mapped pin D10
pins_b |= (0x08u & p[ 9]) << 2; // x=11, y= 4, mapped pin D9
pins_b |= (0x08u & p[11]) << 1; // x=11, y= 5, mapped pin D8
pins_c |= (0x08u & p[ 1]) << 4; // x=11, y= 0, mapped pin D13
pins_c |= (0x10u & p[17]) << 2; // x=12, y= 8, mapped pin D5
pins_d |= (0x01u & p[12]) << 1; // x= 0, y= 6, mapped pin D2
pins_d |= (0x04u & p[12]) >> 2; // x= 2, y= 6, mapped pin D3
pins_d |= (0x08u & p[ 3]) << 3; // x=11, y= 1, mapped pin D12
pins_d |= (0x10u & p[12]); // x= 4, y= 6, mapped pin D4
pins_d |= (0x10u & p[15]) << 3; // x=12, y= 7, mapped pin D6
break;
case 6:
pins_b |= (0x04u & p[ 5]) << 5; // x=10, y= 2, mapped pin D11
pins_b |= (0x04u & p[ 7]) << 4; // x=10, y= 3, mapped pin D10
pins_b |= (0x04u & p[ 9]) << 3; // x=10, y= 4, mapped pin D9
pins_c |= (0x04u & p[ 1]) << 5; // x=10, y= 0, mapped pin D13
pins_c |= (0x08u & p[17]) << 3; // x=11, y= 8, mapped pin D5
pins_d |= (0x01u & p[10]) << 1; // x= 0, y= 5, mapped pin D2
pins_d |= (0x04u & p[ 3]) << 4; // x=10, y= 1, mapped pin D12
pins_d |= (0x04u & p[10]) >> 2; // x= 2, y= 5, mapped pin D3
pins_d |= (0x08u & p[15]) << 4; // x=11, y= 7, mapped pin D6
pins_d |= (0x10u & p[10]); // x= 4, y= 5, mapped pin D4
pins_e |= (0x08u & p[13]) << 3; // x=11, y= 6, mapped pin D7
break;
case 7:
pins_b |= (0x02u & p[ 5]) << 6; // x= 9, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 7]) << 5; // x= 9, y= 3, mapped pin D10
pins_b |= (0x04u & p[11]) << 2; // x=10, y= 5, mapped pin D8
pins_c |= (0x02u & p[ 1]) << 6; // x= 9, y= 0, mapped pin D13
pins_c |= (0x04u & p[17]) << 4; // x=10, y= 8, mapped pin D5
pins_d |= (0x01u & p[ 8]) << 1; // x= 0, y= 4, mapped pin D2
pins_d |= (0x02u & p[ 3]) << 5; // x= 9, y= 1, mapped pin D12
pins_d |= (0x04u & p[ 8]) >> 2; // x= 2, y= 4, mapped pin D3
pins_d |= (0x04u & p[15]) << 5; // x=10, y= 7, mapped pin D6
pins_d |= (0x10u & p[ 8]); // x= 4, y= 4, mapped pin D4
pins_e |= (0x04u & p[13]) << 4; // x=10, y= 6, mapped pin D7
break;
case 8:
pins_b |= (0x01u & p[ 5]) << 7; // x= 8, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 9]) << 4; // x= 9, y= 4, mapped pin D9
pins_b |= (0x02u & p[11]) << 3; // x= 9, y= 5, mapped pin D8
pins_c |= (0x01u & p[ 1]) << 7; // x= 8, y= 0, mapped pin D13
pins_c |= (0x02u & p[17]) << 5; // x= 9, y= 8, mapped pin D5
pins_d |= (0x01u & p[ 3]) << 6; // x= 8, y= 1, mapped pin D12
pins_d |= (0x01u & p[ 6]) << 1; // x= 0, y= 3, mapped pin D2
pins_d |= (0x02u & p[15]) << 6; // x= 9, y= 7, mapped pin D6
pins_d |= (0x04u & p[ 6]) >> 2; // x= 2, y= 3, mapped pin D3
pins_d |= (0x10u & p[ 6]); // x= 4, y= 3, mapped pin D4
pins_e |= (0x02u & p[13]) << 5; // x= 9, y= 6, mapped pin D7
break;
case 9:
pins_b |= (0x01u & p[ 7]) << 6; // x= 8, y= 3, mapped pin D10
pins_b |= (0x01u & p[ 9]) << 5; // x= 8, y= 4, mapped pin D9
pins_b |= (0x01u & p[11]) << 4; // x= 8, y= 5, mapped pin D8
pins_c |= (0x01u & p[17]) << 6; // x= 8, y= 8, mapped pin D5
pins_c |= (0x80u & p[ 0]); // x= 7, y= 0, mapped pin D13
pins_d |= (0x01u & p[ 4]) << 1; // x= 0, y= 2, mapped pin D2
pins_d |= (0x01u & p[15]) << 7; // x= 8, y= 7, mapped pin D6
pins_d |= (0x04u & p[ 4]) >> 2; // x= 2, y= 2, mapped pin D3
pins_d |= (0x10u & p[ 4]); // x= 4, y= 2, mapped pin D4
pins_d |= (0x80u & p[ 2]) >> 1; // x= 7, y= 1, mapped pin D12
pins_e |= (0x01u & p[13]) << 6; // x= 8, y= 6, mapped pin D7
break;
case 10:
pins_b |= (0x80u & p[ 4]); // x= 7, y= 2, mapped pin D11
pins_b |= (0x80u & p[ 6]) >> 1; // x= 7, y= 3, mapped pin D10
pins_b |= (0x80u & p[ 8]) >> 2; // x= 7, y= 4, mapped pin D9
pins_b |= (0x80u & p[10]) >> 3; // x= 7, y= 5, mapped pin D8
pins_c |= (0x40u & p[ 0]) << 1; // x= 6, y= 0, mapped pin D13
pins_c |= (0x80u & p[16]) >> 1; // x= 7, y= 8, mapped pin D5
pins_d |= (0x01u & p[ 2]) << 1; // x= 0, y= 1, mapped pin D2
pins_d |= (0x04u & p[ 2]) >> 2; // x= 2, y= 1, mapped pin D3
pins_d |= (0x10u & p[ 2]); // x= 4, y= 1, mapped pin D4
pins_d |= (0x80u & p[14]); // x= 7, y= 7, mapped pin D6
pins_e |= (0x80u & p[12]) >> 1; // x= 7, y= 6, mapped pin D7
break;
case 11:
pins_b |= (0x40u & p[ 4]) << 1; // x= 6, y= 2, mapped pin D11
pins_b |= (0x40u & p[ 6]); // x= 6, y= 3, mapped pin D10
pins_b |= (0x40u & p[ 8]) >> 1; // x= 6, y= 4, mapped pin D9
pins_b |= (0x40u & p[10]) >> 2; // x= 6, y= 5, mapped pin D8
pins_c |= (0x40u & p[16]); // x= 6, y= 8, mapped pin D5
pins_d |= (0x01u & p[ 0]) << 1; // x= 0, y= 0, mapped pin D2
pins_d |= (0x04u & p[ 0]) >> 2; // x= 2, y= 0, mapped pin D3
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_d |= (0x40u & p[14]) << 1; // x= 6, y= 7, mapped pin D6
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
first working driver for Diavolino/LoL Shield
11 years ago
// Set sink pin to Vcc/source, turning off current.
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
static uint8_t sink_b = 0, sink_d = 0;
first working driver for Diavolino/LoL Shield
11 years ago
PIND = sink_d;
PINB = sink_b;
// Set pins to input mode; Vcc/source become pullups.
DDRD = 0;
DDRB = 0;
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
static uint8_t const PROGMEM sink_d_cycle[] =
first working driver for Diavolino/LoL Shield
11 years ago
{0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
static uint8_t const PROGMEM sink_b_cycle[] =
first working driver for Diavolino/LoL Shield
11 years ago
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20};
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
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]);
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
// convert Borgware-2D framebuffer to LoL Shield cycles on Diavolino
first working driver for Diavolino/LoL Shield
11 years ago
// (I could have done this with a lookup table, but that would be slower as
// non-constant bit shifts are quite expensive on AVR)
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
// NOTE: (0,0) is UPPER RIGHT in the Borgware realm
first working driver for Diavolino/LoL Shield
11 years ago
if (plane < NUMPLANE) {
switch(cycle) {
case 0:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x02u & p[ 0]) << 4; // x= 1, y= 0, mapped pin D13
pins_b |= (0x02u & p[ 2]) << 3; // x= 1, y= 1, mapped pin D12
pins_b |= (0x02u & p[ 4]) << 2; // x= 1, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 6]) << 1; // x= 1, y= 3, mapped pin D10
pins_b |= (0x02u & p[ 8]); // x= 1, y= 4, mapped pin D9
pins_b |= (0x02u & p[10]) >> 1; // x= 1, y= 5, mapped pin D8
pins_d |= (0x02u & p[12]) << 6; // x= 1, y= 6, mapped pin D7
pins_d |= (0x02u & p[14]) << 5; // x= 1, y= 7, mapped pin D6
pins_d |= (0x02u & p[16]) << 4; // x= 1, y= 8, mapped pin D5
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 1:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x08u & p[ 0]) << 2; // x= 3, y= 0, mapped pin D13
pins_b |= (0x08u & p[ 2]) << 1; // x= 3, y= 1, mapped pin D12
pins_b |= (0x08u & p[ 4]); // x= 3, y= 2, mapped pin D11
pins_b |= (0x08u & p[ 6]) >> 1; // x= 3, y= 3, mapped pin D10
pins_b |= (0x08u & p[ 8]) >> 2; // x= 3, y= 4, mapped pin D9
pins_b |= (0x08u & p[10]) >> 3; // x= 3, y= 5, mapped pin D8
pins_d |= (0x08u & p[12]) << 4; // x= 3, y= 6, mapped pin D7
pins_d |= (0x08u & p[14]) << 3; // x= 3, y= 7, mapped pin D6
pins_d |= (0x08u & p[16]) << 2; // x= 3, y= 8, mapped pin D5
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 2:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x20u & p[ 0]); // x= 5, y= 0, mapped pin D13
pins_b |= (0x20u & p[ 2]) >> 1; // x= 5, y= 1, mapped pin D12
pins_b |= (0x20u & p[ 4]) >> 2; // x= 5, y= 2, mapped pin D11
pins_b |= (0x20u & p[ 6]) >> 3; // x= 5, y= 3, mapped pin D10
pins_b |= (0x20u & p[ 8]) >> 4; // x= 5, y= 4, mapped pin D9
pins_b |= (0x20u & p[10]) >> 5; // x= 5, y= 5, mapped pin D8
pins_d |= (0x20u & p[12]) << 2; // x= 5, y= 6, mapped pin D7
pins_d |= (0x20u & p[14]) << 1; // x= 5, y= 7, mapped pin D6
pins_d |= (0x20u & p[16]); // x= 5, y= 8, mapped pin D5
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 3:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x20u & p[ 1]); // x=13, y= 0, mapped pin D13
pins_b |= (0x20u & p[ 3]) >> 1; // x=13, y= 1, mapped pin D12
pins_b |= (0x20u & p[ 5]) >> 2; // x=13, y= 2, mapped pin D11
pins_b |= (0x20u & p[ 7]) >> 3; // x=13, y= 3, mapped pin D10
pins_b |= (0x20u & p[ 9]) >> 4; // x=13, y= 4, mapped pin D9
pins_b |= (0x20u & p[11]) >> 5; // x=13, y= 5, mapped pin D8
pins_d |= (0x01u & p[16]) << 2; // x= 0, y= 8, mapped pin D2
pins_d |= (0x04u & p[16]) << 1; // x= 2, y= 8, mapped pin D3
pins_d |= (0x10u & p[16]); // x= 4, y= 8, mapped pin D4
pins_d |= (0x20u & p[13]) << 2; // x=13, y= 6, mapped pin D7
pins_d |= (0x20u & p[15]) << 1; // x=13, y= 7, mapped pin D6
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 4:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x10u & p[ 1]) << 1; // x=12, y= 0, mapped pin D13
pins_b |= (0x10u & p[ 3]); // x=12, y= 1, mapped pin D12
pins_b |= (0x10u & p[ 5]) >> 1; // x=12, y= 2, mapped pin D11
pins_b |= (0x10u & p[ 7]) >> 2; // x=12, y= 3, mapped pin D10
pins_b |= (0x10u & p[ 9]) >> 3; // x=12, y= 4, mapped pin D9
pins_b |= (0x10u & p[11]) >> 4; // x=12, y= 5, mapped pin D8
pins_d |= (0x01u & p[14]) << 2; // x= 0, y= 7, mapped pin D2
pins_d |= (0x04u & p[14]) << 1; // x= 2, y= 7, mapped pin D3
pins_d |= (0x10u & p[13]) << 3; // x=12, y= 6, mapped pin D7
pins_d |= (0x10u & p[14]); // x= 4, y= 7, mapped pin D4
pins_d |= (0x20u & p[17]); // x=13, y= 8, mapped pin D5
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 5:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x08u & p[ 1]) << 2; // x=11, y= 0, mapped pin D13
pins_b |= (0x08u & p[ 3]) << 1; // x=11, y= 1, mapped pin D12
pins_b |= (0x08u & p[ 5]); // x=11, y= 2, mapped pin D11
pins_b |= (0x08u & p[ 7]) >> 1; // x=11, y= 3, mapped pin D10
pins_b |= (0x08u & p[ 9]) >> 2; // x=11, y= 4, mapped pin D9
pins_b |= (0x08u & p[11]) >> 3; // x=11, y= 5, mapped pin D8
pins_d |= (0x01u & p[12]) << 2; // x= 0, y= 6, mapped pin D2
pins_d |= (0x04u & p[12]) << 1; // x= 2, y= 6, mapped pin D3
pins_d |= (0x10u & p[12]); // x= 4, y= 6, mapped pin D4
pins_d |= (0x10u & p[15]) << 2; // x=12, y= 7, mapped pin D6
pins_d |= (0x10u & p[17]) << 1; // x=12, y= 8, mapped pin D5
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 6:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x04u & p[ 1]) << 3; // x=10, y= 0, mapped pin D13
pins_b |= (0x04u & p[ 3]) << 2; // x=10, y= 1, mapped pin D12
pins_b |= (0x04u & p[ 5]) << 1; // x=10, y= 2, mapped pin D11
pins_b |= (0x04u & p[ 7]); // x=10, y= 3, mapped pin D10
pins_b |= (0x04u & p[ 9]) >> 1; // x=10, y= 4, mapped pin D9
pins_d |= (0x01u & p[10]) << 2; // x= 0, y= 5, mapped pin D2
pins_d |= (0x04u & p[10]) << 1; // x= 2, y= 5, mapped pin D3
pins_d |= (0x08u & p[13]) << 4; // x=11, y= 6, mapped pin D7
pins_d |= (0x08u & p[15]) << 3; // x=11, y= 7, mapped pin D6
pins_d |= (0x08u & p[17]) << 2; // x=11, y= 8, mapped pin D5
pins_d |= (0x10u & p[10]); // x= 4, y= 5, mapped pin D4
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 7:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x02u & p[ 1]) << 4; // x= 9, y= 0, mapped pin D13
pins_b |= (0x02u & p[ 3]) << 3; // x= 9, y= 1, mapped pin D12
pins_b |= (0x02u & p[ 5]) << 2; // x= 9, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 7]) << 1; // x= 9, y= 3, mapped pin D10
pins_b |= (0x04u & p[11]) >> 2; // x=10, y= 5, mapped pin D8
pins_d |= (0x01u & p[ 8]) << 2; // x= 0, y= 4, mapped pin D2
pins_d |= (0x04u & p[ 8]) << 1; // x= 2, y= 4, mapped pin D3
pins_d |= (0x04u & p[13]) << 5; // x=10, y= 6, mapped pin D7
pins_d |= (0x04u & p[15]) << 4; // x=10, y= 7, mapped pin D6
pins_d |= (0x04u & p[17]) << 3; // x=10, y= 8, mapped pin D5
pins_d |= (0x10u & p[ 8]); // x= 4, y= 4, mapped pin D4
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 8:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x01u & p[ 1]) << 5; // x= 8, y= 0, mapped pin D13
pins_b |= (0x01u & p[ 3]) << 4; // x= 8, y= 1, mapped pin D12
pins_b |= (0x01u & p[ 5]) << 3; // x= 8, y= 2, mapped pin D11
pins_b |= (0x02u & p[ 9]); // x= 9, y= 4, mapped pin D9
pins_b |= (0x02u & p[11]) >> 1; // x= 9, y= 5, mapped pin D8
pins_d |= (0x01u & p[ 6]) << 2; // x= 0, y= 3, mapped pin D2
pins_d |= (0x02u & p[13]) << 6; // x= 9, y= 6, mapped pin D7
pins_d |= (0x02u & p[15]) << 5; // x= 9, y= 7, mapped pin D6
pins_d |= (0x02u & p[17]) << 4; // x= 9, y= 8, mapped pin D5
pins_d |= (0x04u & p[ 6]) << 1; // x= 2, y= 3, mapped pin D3
pins_d |= (0x10u & p[ 6]); // x= 4, y= 3, mapped pin D4
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 9:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x01u & p[ 7]) << 2; // x= 8, y= 3, mapped pin D10
pins_b |= (0x01u & p[ 9]) << 1; // x= 8, y= 4, mapped pin D9
pins_b |= (0x01u & p[11]); // x= 8, y= 5, mapped pin D8
pins_b |= (0x80u & p[ 0]) >> 2; // x= 7, y= 0, mapped pin D13
pins_b |= (0x80u & p[ 2]) >> 3; // x= 7, y= 1, mapped pin D12
pins_d |= (0x01u & p[ 4]) << 2; // x= 0, y= 2, mapped pin D2
pins_d |= (0x01u & p[13]) << 7; // x= 8, y= 6, mapped pin D7
pins_d |= (0x01u & p[15]) << 6; // x= 8, y= 7, mapped pin D6
pins_d |= (0x01u & p[17]) << 5; // x= 8, y= 8, mapped pin D5
pins_d |= (0x04u & p[ 4]) << 1; // x= 2, y= 2, mapped pin D3
pins_d |= (0x10u & p[ 4]); // x= 4, y= 2, mapped pin D4
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 10:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x40u & p[ 0]) >> 1; // x= 6, y= 0, mapped pin D13
pins_b |= (0x80u & p[ 4]) >> 4; // x= 7, y= 2, mapped pin D11
pins_b |= (0x80u & p[ 6]) >> 5; // x= 7, y= 3, mapped pin D10
pins_b |= (0x80u & p[ 8]) >> 6; // x= 7, y= 4, mapped pin D9
pins_b |= (0x80u & p[10]) >> 7; // x= 7, y= 5, mapped pin D8
pins_d |= (0x01u & p[ 2]) << 2; // x= 0, y= 1, mapped pin D2
pins_d |= (0x04u & p[ 2]) << 1; // x= 2, y= 1, mapped pin D3
pins_d |= (0x10u & p[ 2]); // x= 4, y= 1, mapped pin D4
pins_d |= (0x80u & p[12]); // x= 7, y= 6, mapped pin D7
pins_d |= (0x80u & p[14]) >> 1; // x= 7, y= 7, mapped pin D6
pins_d |= (0x80u & p[16]) >> 2; // x= 7, y= 8, mapped pin D5
first working driver for Diavolino/LoL Shield
11 years ago
break;
case 11:
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
pins_b |= (0x40u & p[ 2]) >> 2; // x= 6, y= 1, mapped pin D12
pins_b |= (0x40u & p[ 4]) >> 3; // x= 6, y= 2, mapped pin D11
pins_b |= (0x40u & p[ 6]) >> 4; // x= 6, y= 3, mapped pin D10
pins_b |= (0x40u & p[ 8]) >> 5; // x= 6, y= 4, mapped pin D9
pins_b |= (0x40u & p[10]) >> 6; // x= 6, y= 5, mapped pin D8
pins_d |= (0x01u & p[ 0]) << 2; // x= 0, y= 0, mapped pin D2
pins_d |= (0x04u & p[ 0]) << 1; // x= 2, y= 0, mapped pin D3
pins_d |= (0x10u & p[ 0]); // x= 4, y= 0, mapped pin D4
pins_d |= (0x40u & p[12]) << 1; // x= 6, y= 6, mapped pin D7
pins_d |= (0x40u & p[14]); // x= 6, y= 7, mapped pin D6
pins_d |= (0x40u & p[16]) >> 1; // x= 6, y= 8, mapped pin D5
first working driver for Diavolino/LoL Shield
11 years ago
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;
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#endif
}
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#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_ATmega168__) || defined (__AVR_ATmega48__) || defined (__AVR_ATmega88__) || 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++);
first working driver for Diavolino/LoL Shield
11 years ago
if (plane >= (NUMPLANE + 1)) {
plane = 0;
cycle++;
if (cycle >= 12) {
cycle = 0;
}
}
wdt_reset();
}
void borg_hw_init() {
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#if defined (__AVR_ATmega168__) || defined (__AVR_ATmega48__) || defined (__AVR_ATmega88__) || defined (__AVR_ATmega328P__) || defined (__AVR_ATmega1280__) || defined (__AVR_ATmega2560__)
first working driver for Diavolino/LoL Shield
11 years ago
TIMSK2 &= ~(_BV(TOIE2) | _BV(OCIE2A));
TCCR2A &= ~(_BV(WGM21) | _BV(WGM20));
TCCR2B &= ~_BV(WGM22);
ASSR &= ~_BV(AS2);
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
#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
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
setBrightness();
first working driver for Diavolino/LoL Shield
11 years ago
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
// Then start the display
#if defined (__AVR_ATmega168__) || defined (__AVR_ATmega48__) || defined (__AVR_ATmega88__) || 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
first working driver for Diavolino/LoL Shield
11 years ago
// activate watchdog timer
wdt_reset();
added support for Arduino Leonardo (and maybe Mega1280/2560, untested)
11 years ago
wdt_enable(WDTO_500MS); // 17ms watchdog
first working driver for Diavolino/LoL Shield
11 years ago
}