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- /*
- * buffhelp.h
- *
- * Copyright 2011 Thomas Buck <xythobuz@me.com>
- * Copyright 2011 Max Nuding <max.nuding@gmail.com>
- * Copyright 2011 Felix Bäder <baeder.felix@gmail.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 <stdint.h>
- #include <stdlib.h>
- #include <serial.h>
- #include <strings.h>
-
- uint8_t *buffNew(void) {
- uint8_t i;
- uint8_t *tmp = (uint8_t *)malloc(64);
- if (tmp == NULL) {
- #ifdef DEBUG
- serialWriteString(getString(24));
- #endif
- while(1); // Ran out of heap => Watchdog Reset
- }
- for (i = 0; i < 64; i++) {
- // Clear pixels
- tmp[i] = 0;
- }
- return tmp;
- }
-
- void buffSetPixel(uint8_t *buffer, uint8_t x, uint8_t y, uint8_t z) {
- buffer[(8 * (7 - z)) + (7 - y)] |= (1 << x);
- }
-
- void buffClearPixel(uint8_t *buffer, uint8_t x, uint8_t y, uint8_t z) {
- buffer[(8 * (7 - z)) + (7 - y)] &= ~(1 << x);
- }
- void buffClearAllPixels(uint8_t *buffer) {
- uint8_t i;
- for(i = 0; i < 64; i++) {
- buffer[i] = 0;
- }
- }
-
- void buffFree(uint8_t *buffer) {
- free(buffer);
- }
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