/* * This file is part of the libopencm3 project. * * Copyright (C) 2012 Karl Palsson * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see . */ #include void crc_reset(void) { CRC_CR |= CRC_CR_RESET; } u32 crc_calculate(u32 data) { CRC_DR = data; // Data sheet says this blocks until it's ready.... return CRC_DR; } u32 crc_calculate_block(u32 *datap, int size) { int i; for (i = 0; i < size; i++) { CRC_DR = datap[i]; } return CRC_DR; }