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/* coding_scheme.c
*
* Copyright (C) 2019 by sysmocom s.f.m.c. GmbH
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdint.h>
#include <stdbool.h>
#include <osmocom/core/utils.h>
#include "coding_scheme.h"
static struct {
struct {
uint8_t data_header_bits;
} uplink, downlink;
uint8_t data_block_header_bits;
uint8_t num_blocks;
const char *name;
} hdr_type_info[NUM_HEADER_TYPES] = {
{ { 0 }, { 0 }, 0, 0, "INVALID" },
{ { 1 * 8 + 0 }, { 1 * 8 + 0 }, 0, 0, "CONTROL" },
{ { 3 * 8 + 0 }, { 3 * 8 + 0 }, 0, 1, "GPRS_DATA" },
{ { 5 * 8 + 6 }, { 5 * 8 + 0 }, 2, 2, "EGPRS_DATA_TYPE1" },
{ { 4 * 8 + 5 }, { 3 * 8 + 4 }, 2, 1, "EGPRS_DATA_TYPE2" },
{ { 3 * 8 + 7 }, { 3 * 8 + 7 }, 2, 1, "EGPRS_DATA_TYPE3" },
};
uint8_t num_data_blocks(enum HeaderType ht)
{
OSMO_ASSERT(ht < NUM_HEADER_TYPES);
return hdr_type_info[ht].num_blocks;
}
uint8_t num_data_header_bits_UL(enum HeaderType ht)
{
OSMO_ASSERT(ht < NUM_HEADER_TYPES);
return hdr_type_info[ht].uplink.data_header_bits;
}
uint8_t num_data_header_bits_DL(enum HeaderType ht)
{
OSMO_ASSERT(ht < NUM_HEADER_TYPES);
return hdr_type_info[ht].downlink.data_header_bits;
}
uint8_t num_data_block_header_bits(enum HeaderType ht)
{
OSMO_ASSERT(ht < NUM_HEADER_TYPES);
return hdr_type_info[ht].data_block_header_bits;
}
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