198 lines
5.3 KiB
C
198 lines
5.3 KiB
C
/***************************************************************************
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* some RGB demo modes *
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* *
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* Copyright (C) 2011 - 2012 by Olaf Rempel *
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* razzor AT kopf MINUS tisch DOT de *
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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; version 2 of the License, *
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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 *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <stdint.h>
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#include <string.h>
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#include "rgb16mpm.h"
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struct dm001data {
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uint8_t color;
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uint8_t pos;
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};
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struct dm002data {
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uint16_t ramp;
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};
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struct dm003data {
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uint8_t pos;
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uint16_t ramp;
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uint8_t decay[16][3];
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};
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struct dm004data {
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uint8_t step;
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uint8_t pos[3];
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};
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union demodata {
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struct dm001data dm001;
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struct dm002data dm002;
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struct dm003data dm003;
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struct dm004data dm004;
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};
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static union demodata demo;
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static uint16_t demomode000(void)
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{
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return 0;
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}
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static uint16_t demomode001(void)
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{
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struct dm001data *dm = &demo.dm001;
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dm->pos = sequence_chase(dm->pos, nvram_data.channels);
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uint8_t pos = dm->pos & POS_MASK;
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uint8_t chan;
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for (chan = 0; chan < 16; chan++) {
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if (chan != pos) {
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chan_value[chan][COLOR_RED] = 0x00;
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chan_value[chan][COLOR_GREEN] = 0x00;
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chan_value[chan][COLOR_BLUE] = 0x00;
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} else {
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chan_value[chan][dm->color] = 0xFF;
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}
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}
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if (pos == 0) {
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dm->color++;
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if (dm->color == 3) {
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dm->color = 0;
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}
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}
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return 250;
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}
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static uint16_t demomode002(void)
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{
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struct dm002data *dm = &demo.dm002;
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uint8_t color[3];
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dm->ramp = color_ramp(dm->ramp +1, color);
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uint8_t chan;
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for (chan = 0; chan < 16; chan++) {
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chan_value[chan][COLOR_RED] = color[COLOR_RED];
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chan_value[chan][COLOR_GREEN] = color[COLOR_GREEN];
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chan_value[chan][COLOR_BLUE] = color[COLOR_BLUE];
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}
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return 50;
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}
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static uint16_t demomode003(void)
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{
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struct dm003data *dm = &demo.dm003;
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dm->pos = sequence_chase(dm->pos, nvram_data.channels);
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uint8_t pos = dm->pos & POS_MASK;
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dm->ramp = color_ramp(dm->ramp +8, chan_value[pos]);
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color_div(chan_value[pos], 8, dm->decay[pos]);
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uint8_t chan;
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for (chan = 0; chan < 16; chan++) {
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if (chan != pos) {
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color_sub(chan_value[chan], dm->decay[chan], chan_value[chan]);
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}
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}
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return 50;
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}
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static uint16_t demomode004(void)
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{
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struct dm004data *dm = &demo.dm004;
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uint8_t color;
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dm->step++;
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if (dm->step == 2) {
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dm->step = 0;
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}
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for (color = 0; color < 3; color++) {
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if (dm->step == 0) {
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dm->pos[color] = sequence_chase(dm->pos[color], nvram_data.channels);
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}
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uint8_t chan;
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for (chan = 0; chan < 16; chan++) {
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if (chan == (dm->pos[color] & POS_MASK)) {
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chan_value[chan][color] = 0xFF;
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} else if (chan_value[chan][color] > 16) {
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chan_value[chan][color] -= 16;
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} else {
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chan_value[chan][color] = 0;
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}
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}
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}
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return 50;
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}
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uint16_t (* demomode_run)(void) = demomode000;
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void demomode_init(uint8_t mode)
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{
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memset(&demo, 0x00, sizeof(union demodata));
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memset(chan_value, 0x00, sizeof(chan_value));
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switch (mode) {
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case 0x00:
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/* load initial values from eeprom */
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memcpy(chan_value, nvram_data.initialRGB, sizeof(chan_value));
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demomode_run = demomode000;
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break;
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case 0x01:
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demomode_run = demomode001;
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break;
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case 0x02:
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/* one color, all channes, rgb fader */
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demomode_run = demomode002;
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break;
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case 0x03:
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/* rgb chase */
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demo.dm003.pos = DIR_UP | 0;
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demomode_run = demomode003;
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break;
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case 0x04:
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/* three color chaser */
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demo.dm004.pos[COLOR_RED] = DIR_UP | 0;
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demo.dm004.pos[COLOR_GREEN] = DIR_UP | 9;
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demo.dm004.pos[COLOR_BLUE] = DIR_DOWN | 9;
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demomode_run = demomode004;
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break;
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default:
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/* stay black */
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demomode_run = demomode000;
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break;
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}
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}
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