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- /*
- * generator.c
- *
- * Copyright 2012 Thomas Buck <xythobuz@me.com>
- *
- * This file is part of LED-Cube.
- *
- * LED-Cube 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 3 of the License, or
- * (at your option) any later version.
- *
- * LED-Cube 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 LED-Cube. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <avr/io.h>
- #include <util/delay.h>
- #include <stdint.h>
- #include <stdlib.h>
- #include "memLayer.h"
- #include "font.h"
- #include "buffhelp.h"
-
- // Generate 8 frames, store them from index start.
- // data has 8 bytes --> 1 layer. This layer is moved from back to front.
- void generateMovingAnimation(uint8_t *data, uint16_t start, uint8_t duration) {
- uint8_t i, j, d;
- uint8_t *frame = (uint8_t *)malloc(65);
- frame[64] = duration;
-
- for (i = 0; i < 8; i++) {
- d = 0;
- for (j = 0; j < 64; j++) {
- if ((j < (8 * (i + 1))) && (j >= (8 * i))) {
- frame[j] = data[d++];
- } else {
- frame[j] = 0;
- }
- }
- setFrame(i + start, frame);
- }
- free(frame);
- }
-
- void renderText(char *text, uint16_t start) {
- uint8_t *buf;
-
- while(text[0] != '\0') {
- generateMovingAnimation(getFont(text[0]), start, 1);
- start += 8;
- text++;
- }
-
- buf = buffNew();
- buf[64] = 12; // half second empty frame at end of text
- setFrame(start, buf);
- free(buf);
- }
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