67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/* coding_scheme.h
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*
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* Copyright (C) 2015-2019 by sysmocom s.f.m.c. GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#include <osmocom/core/utils.h>
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enum CodingScheme {
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UNKNOWN,
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/* GPRS Coding Schemes: */
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CS1, CS2, CS3, CS4,
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/* EDGE/EGPRS Modulation and Coding Schemes: */
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MCS1, MCS2, MCS3, MCS4, MCS5, MCS6, MCS7, MCS8, MCS9,
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NUM_SCHEMES
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};
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extern const struct value_string mcs_names[];
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const char *mcs_name(enum CodingScheme val);
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enum CodingScheme get_retx_mcs(enum CodingScheme initial_mcs, enum CodingScheme commanded_mcs, bool resegment_bit);
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bool mcs_is_gprs(enum CodingScheme cs);
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bool mcs_is_edge(enum CodingScheme cs);
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bool mcs_is_edge_gmsk(enum CodingScheme cs);
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uint8_t mcs_chan_code(enum CodingScheme cs);
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enum HeaderType {
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HEADER_INVALID,
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HEADER_GPRS_CONTROL,
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HEADER_GPRS_DATA,
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HEADER_EGPRS_DATA_TYPE_1,
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HEADER_EGPRS_DATA_TYPE_2,
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HEADER_EGPRS_DATA_TYPE_3,
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NUM_HEADER_TYPES
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};
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enum HeaderType headerTypeData(enum CodingScheme mcs);
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uint8_t num_data_blocks(enum HeaderType ht);
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uint8_t num_data_header_bits_UL(enum HeaderType ht);
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uint8_t num_data_header_bits_DL(enum HeaderType ht);
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uint8_t num_data_block_header_bits(enum HeaderType ht);
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enum mcs_kind {
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GPRS,
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EGPRS_GMSK,
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EGPRS,
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};
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const char *mode_name(enum mcs_kind val);
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