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68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/** RAW IO format
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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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, either version 3 of the License, or
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* any later version.
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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, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#pragma once
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Forward declarations */
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struct sample;
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enum raw_flags {
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RAW_FAKE = (1 << 16), /**< Treat the first three values as: sequenceno, seconds, nanoseconds */
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RAW_BE_INT = (1 << 17), /**< Byte-order for integer data: big-endian if set. */
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RAW_BE_FLT = (1 << 18), /**< Byte-order for floating point data: big-endian if set. */
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RAW_BE_HDR = (1 << 19), /**< Byte-order for fake header fields: big-endian if set. */
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/** Byte-order for all fields: big-endian if set. */
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RAW_BE = RAW_BE_INT | RAW_BE_FLT | RAW_BE_HDR,
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/** Mix floating and integer types.
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*
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* io_raw_sscan() parses all values as single / double precission fp.
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* io_raw_sprint() uses sample::format to determine the type.
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*/
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RAW_AUTO = (1 << 22),
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RAW_FLT = (1 << 23), /**< Data-type: floating point otherwise integer. */
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//RAW_1 = (0 << 24), /**< Pack each value as a single bit. */
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RAW_8 = (3 << 24), /**< Pack each value as a byte. */
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RAW_16 = (4 << 24), /**< Pack each value as a word. */
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RAW_32 = (5 << 24), /**< Pack each value as a double word. */
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RAW_64 = (6 << 24) /**< Pack each value as a quad word. */
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};
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/** Copy / read struct msg's from buffer \p buf to / fram samples \p smps. */
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int raw_sprint(struct io *io, char *buf, size_t len, size_t *wbytes, struct sample *smps[], unsigned cnt);
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/** Read struct sample's from buffer \p buf into samples \p smps. */
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int raw_sscan(struct io *io, char *buf, size_t len, size_t *rbytes, struct sample *smps[], unsigned cnt);
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#ifdef __cplusplus
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}
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#endif
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