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Diffstat (limited to 'libopencm3/include/libopencm3/stm32/f0/crc.h')
| -rw-r--r-- | libopencm3/include/libopencm3/stm32/f0/crc.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/f0/crc.h b/libopencm3/include/libopencm3/stm32/f0/crc.h new file mode 100644 index 0000000..34d8a89 --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/f0/crc.h @@ -0,0 +1,89 @@ +/** @defgroup crc_defines CRC Defines + * + * @brief <b>libopencm3 Defined Constants and Types for the STM32F1xx CRC + * Generator </b> + * + * @ingroup STM32F0xx_defines + * + * @version 1.0.0 + * + * @date 29 Jun 2013 + * + *LGPL License Terms @ref lgpl_license + */ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#ifndef LIBOPENCM3_CRC_H +#define LIBOPENCM3_CRC_H +/**@{*/ + +#include <libopencm3/stm32/common/crc_common_all.h> + +/*****************************************************************************/ +/* Module definitions */ +/*****************************************************************************/ + +/*****************************************************************************/ +/* Register definitions */ +/*****************************************************************************/ + +/* Initial CRC Value */ +#define CRC_INIT MMIO32(CRC_BASE + 0x10) + +/* CRC Polynomial */ +#define CRC_POL MMIO32(CRC_BASE + 0x14) + +/*****************************************************************************/ +/* Register values */ +/*****************************************************************************/ + +#define CRC_CR_REV_OUT (1 << 7) + +#define CRC_CR_REV_IN_SHIFT 5 +#define CRC_CR_REV_IN (3 << CRC_CR_REV_IN_SHIFT) +#define CRC_CR_REV_IN_NONE (0 << CRC_CR_REV_IN_SHIFT) +#define CRC_CR_REV_IN_BYTE (1 << CRC_CR_REV_IN_SHIFT) +#define CRC_CR_REV_IN_HALF (2 << CRC_CR_REV_IN_SHIFT) +#define CRC_CR_REV_IN_WORD (3 << CRC_CR_REV_IN_SHIFT) + +#define CRC_CR_POLYSIZE_SHIFT 3 +#define CRC_CR_POLYSIZE (3 << CRC_CR_POLYSIZE_SHIFT) +#define CRC_CR_POLYSIZE_32BIT (0 << CRC_CR_POLYSIZE_SHIFT) +#define CRC_CR_POLYSIZE_16BIT (1 << CRC_CR_POLYSIZE_SHIFT) +#define CRC_CR_POLYSIZE_8BIT (2 << CRC_CR_POLYSIZE_SHIFT) +#define CRC_CR_POLYSIZE_7BIT (3 << CRC_CR_POLYSIZE_SHIFT) + +/* Default polynomial */ +#define CRC_POL_DEFAULT 0x04C11DB7 + +/*****************************************************************************/ +/* API definitions */ +/*****************************************************************************/ + +/*****************************************************************************/ +/* API Functions */ +/*****************************************************************************/ + +BEGIN_DECLS + +END_DECLS +/**@}*/ + +#endif |