mirror of https://gerrit.osmocom.org/libosmocore
gsm0808: add function to convert amr gsm0408 setings to gsm0808
Add a function to convert struct gsm48_multi_rate_conf, which holds the codec settings for AMR, to S0-S15 bit representation as defined in 3GPP TS 48.008 3.2.2.49 This resurrects change-id I4e656731b16621736c7a2f4e64d9ce63b1064e98 which was reverted in I9e0d405e303ed86d23703ca6362e958dddb2f861 due to gsm0808_test failing. The test failure is fixed by properly clearing the struct gsm48_multirate_cfg prior to running tests (add memset(0)). Change-Id: Ia782e21c206c15e840226d79b4209d13658ee916 Related: OS#3548
This commit is contained in:
parent
28fc078f9c
commit
5f2eb15074
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@ -104,6 +104,7 @@ int gsm0808_dec_cell_id(struct gsm0808_cell_id *ci, const uint8_t *elem, uint8_t
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int gsm0808_chan_type_to_speech_codec(uint8_t perm_spch);
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int gsm0808_speech_codec_from_chan_type(struct gsm0808_speech_codec *sc,
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uint8_t perm_spch);
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uint16_t gsm0808_sc_cfg_from_gsm48_mr_cfg(struct gsm48_multi_rate_conf *cfg, bool fr);
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/*! Return 3GPP TS 48.008 3.2.2.49 Current Channel Type 1 from enum gsm_chan_t. */
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static inline uint8_t gsm0808_current_channel_type_1(enum gsm_chan_t type)
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@ -503,6 +503,20 @@ enum gsm0808_speech_codec_defaults {
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GSM0808_SC_CFG_DEFAULT_OHR_AMR_WB = 0x01,
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};
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/*! Default speech codec configurations broken down by reate.
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* See also: 3GPP TS 28.062, Table 7.11.3.1.3-2: Preferred Configurations for
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* the Adaptive Multi-Rate Codec Types. */
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enum gsm0808_speech_codec_rate_defaults {
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GSM0808_SC_CFG_DEFAULT_AMR_4_75 = 0xff03,
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GSM0808_SC_CFG_DEFAULT_AMR_5_15 = 0x0000,
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GSM0808_SC_CFG_DEFAULT_AMR_5_90 = 0xff06,
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GSM0808_SC_CFG_DEFAULT_AMR_6_70 = 0x3e08,
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GSM0808_SC_CFG_DEFAULT_AMR_7_40 = 0x0c12,
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GSM0808_SC_CFG_DEFAULT_AMR_7_95 = 0xc020,
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GSM0808_SC_CFG_DEFAULT_AMR_10_2 = 0x3040,
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GSM0808_SC_CFG_DEFAULT_AMR_12_2 = 0xc082
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};
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/* 3GPP TS 48.008 3.2.2.103 Speech Codec List */
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#define SPEECH_CODEC_MAXLEN 255
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struct gsm0808_speech_codec_list {
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@ -1161,6 +1161,49 @@ int gsm0808_speech_codec_from_chan_type(struct gsm0808_speech_codec *sc,
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return 0;
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}
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/*! Determine a set of AMR speech codec configuration bits (S0-S15) from a
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* given GSM 04.08 AMR configuration struct.
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* \param[in] cfg AMR configuration in GSM 04.08 format.
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* \param[in] hint if the resulting configuration shall be used with a FR or HR TCH.
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* \returns configuration bits (S0-S15) */
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uint16_t gsm0808_sc_cfg_from_gsm48_mr_cfg(struct gsm48_multi_rate_conf *cfg,
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bool fr)
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{
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uint16_t s15_s0 = 0;
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/* Check each rate bit in the AMR multirate configuration and pick the
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* matching default configuration as specified in 3GPP TS 28.062,
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* Table 7.11.3.1.3-2. */
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if (cfg->m4_75)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_4_75;
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if (cfg->m5_15)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_5_15;
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if (cfg->m5_90)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_5_90;
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if (cfg->m6_70)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_6_70;
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if (cfg->m7_40)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_7_40;
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if (cfg->m7_95)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_7_95;
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if (cfg->m10_2)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_10_2;
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if (cfg->m12_2)
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s15_s0 |= GSM0808_SC_CFG_DEFAULT_AMR_12_2;
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/* Note: 3GPP TS 48.008, chapter 3GPP TS 48.008 states that for AMR
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* some of the configuration bits must be coded as zeros. The applied
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* bitmask matches the default codec settings. See also the definition
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* of enum gsm0808_speech_codec_defaults in gsm_08_08.h and
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* 3GPP TS 28.062, Table 7.11.3.1.3-2. */
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if (fr)
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s15_s0 &= GSM0808_SC_CFG_DEFAULT_FR_AMR;
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else
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s15_s0 &= GSM0808_SC_CFG_DEFAULT_HR_AMR;
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return s15_s0;
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}
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/*! Print a human readable name of the cell identifier to the char buffer.
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* This is useful both for struct gsm0808_cell_id and struct gsm0808_cell_id_list2.
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* See also gsm0808_cell_id_name() and gsm0808_cell_id_list_name().
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@ -205,6 +205,7 @@ gsm0808_cell_id_discr_names;
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gsm0808_cell_id_u_name;
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gsm0808_chan_type_to_speech_codec;
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gsm0808_speech_codec_from_chan_type;
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gsm0808_sc_cfg_from_gsm48_mr_cfg;
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gsm0808_speech_codec_type_names;
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gsm0808_permitted_speech_names;
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gsm0808_chosen_enc_alg_names;
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@ -1444,6 +1444,202 @@ static void test_gsm0808_enc_dec_cell_id_global()
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msgb_free(msg);
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}
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static void test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(struct gsm48_multi_rate_conf *cfg)
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{
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uint16_t s15_s0;
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printf("Input:\n");
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printf(" m4_75= %u smod= %u\n", cfg->m4_75, cfg->smod);
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printf(" m5_15= %u spare= %u\n", cfg->m5_15, cfg->spare);
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printf(" m5_90= %u icmi= %u\n", cfg->m5_90, cfg->icmi);
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printf(" m6_70= %u nscb= %u\n", cfg->m6_70, cfg->nscb);
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printf(" m7_40= %u ver= %u\n", cfg->m7_40, cfg->ver);
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printf(" m7_95= %u\n", cfg->m7_95);
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printf(" m10_2= %u\n", cfg->m10_2);
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printf(" m12_2= %u\n", cfg->m12_2);
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s15_s0 = gsm0808_sc_cfg_from_gsm48_mr_cfg(cfg, true);
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printf("Result (fr):\n");
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printf(" S15-S0 = %04x = 0b" OSMO_BIN_SPEC OSMO_BIN_SPEC "\n", s15_s0,
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OSMO_BIN_PRINT(s15_s0 >> 8), OSMO_BIN_PRINT(s15_s0));
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s15_s0 = gsm0808_sc_cfg_from_gsm48_mr_cfg(cfg, false);
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printf("Result (hr):\n");
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printf(" S15-S0 = %04x = 0b" OSMO_BIN_SPEC OSMO_BIN_SPEC "\n", s15_s0,
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OSMO_BIN_PRINT(s15_s0 >> 8), OSMO_BIN_PRINT(s15_s0));
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printf("\n");
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}
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static void test_gsm0808_sc_cfg_from_gsm48_mr_cfg(void)
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{
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struct gsm48_multi_rate_conf cfg;
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printf("Testing gsm0808_sc_cfg_from_gsm48_mr_cfg():\n");
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memset(&cfg, 0, sizeof(cfg));
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 1;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 1;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 1;
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cfg.m6_70 = 0;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 1;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 1;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 0;
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cfg.m7_95 = 1;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 1;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 1;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 1;
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cfg.m5_15 = 1;
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cfg.m5_90 = 1;
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cfg.m6_70 = 1;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 1;
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cfg.m7_95 = 1;
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cfg.m10_2 = 1;
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cfg.m12_2 = 1;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 0;
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cfg.m5_90 = 1;
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cfg.m6_70 = 1;
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cfg.m7_40 = 0;
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cfg.m7_95 = 0;
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cfg.m10_2 = 1;
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cfg.m12_2 = 1;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 1;
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cfg.m5_15 = 1;
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cfg.m5_90 = 0;
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cfg.m6_70 = 0;
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cfg.m7_40 = 1;
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cfg.m7_95 = 1;
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cfg.m10_2 = 0;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 0;
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cfg.m5_15 = 1;
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cfg.m5_90 = 0;
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cfg.m6_70 = 1;
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cfg.m7_40 = 0;
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cfg.m7_95 = 1;
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cfg.m10_2 = 0;
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cfg.m12_2 = 1;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 1;
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cfg.m5_15 = 0;
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cfg.m5_90 = 1;
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cfg.m6_70 = 0;
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cfg.m7_40 = 1;
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cfg.m7_95 = 0;
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cfg.m10_2 = 1;
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cfg.m12_2 = 0;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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cfg.m4_75 = 1;
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cfg.m5_15 = 1;
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cfg.m5_90 = 1;
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cfg.m6_70 = 1;
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cfg.m7_40 = 1;
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cfg.m7_95 = 1;
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cfg.m10_2 = 1;
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cfg.m12_2 = 1;
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg_single(&cfg);
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}
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int main(int argc, char **argv)
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{
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printf("Testing generation of GSM0808 messages\n");
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@ -1495,6 +1691,8 @@ int main(int argc, char **argv)
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test_gsm0808_enc_dec_cell_id_lac_and_ci();
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test_gsm0808_enc_dec_cell_id_global();
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test_gsm0808_sc_cfg_from_gsm48_mr_cfg();
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printf("Done\n");
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return EXIT_SUCCESS;
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}
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@ -74,4 +74,229 @@ test_gsm0808_enc_dec_cell_id_lai_and_lac: encoded: 05 06 04 21 63 54 23 42 (rc =
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test_gsm0808_enc_dec_cell_id_ci: encoded: 05 03 02 04 23 (rc = 5)
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test_gsm0808_enc_dec_cell_id_lac_and_ci: encoded: 05 05 01 04 23 02 35 (rc = 7)
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test_gsm0808_enc_dec_cell_id_global: encoded: 05 08 00 21 63 54 23 42 04 23 (rc = 10)
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Testing gsm0808_sc_cfg_from_gsm48_mr_cfg():
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Input:
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m4_75= 0 smod= 0
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m5_15= 0 spare= 0
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m5_90= 0 icmi= 0
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m6_70= 0 nscb= 0
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m7_40= 0 ver= 0
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m7_95= 0
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m10_2= 0
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m12_2= 0
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Result (fr):
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S15-S0 = 0000 = 0b0000000000000000
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Result (hr):
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S15-S0 = 0000 = 0b0000000000000000
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Input:
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m4_75= 1 smod= 0
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m5_15= 0 spare= 0
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m5_90= 0 icmi= 0
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m6_70= 0 nscb= 0
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m7_40= 0 ver= 0
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m7_95= 0
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m10_2= 0
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m12_2= 0
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Result (fr):
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S15-S0 = 5703 = 0b0101011100000011
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Result (hr):
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S15-S0 = 0703 = 0b0000011100000011
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Input:
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m4_75= 0 smod= 0
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m5_15= 1 spare= 0
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m5_90= 0 icmi= 0
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m6_70= 0 nscb= 0
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m7_40= 0 ver= 0
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m7_95= 0
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m10_2= 0
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m12_2= 0
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Result (fr):
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S15-S0 = 0000 = 0b0000000000000000
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Result (hr):
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S15-S0 = 0000 = 0b0000000000000000
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Input:
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m4_75= 0 smod= 0
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m5_15= 0 spare= 0
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m5_90= 1 icmi= 0
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m6_70= 0 nscb= 0
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m7_40= 0 ver= 0
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m7_95= 0
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m10_2= 0
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m12_2= 0
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Result (fr):
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S15-S0 = 5706 = 0b0101011100000110
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Result (hr):
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S15-S0 = 0706 = 0b0000011100000110
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Input:
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m4_75= 0 smod= 0
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m5_15= 0 spare= 0
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m5_90= 0 icmi= 0
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m6_70= 1 nscb= 0
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m7_40= 0 ver= 0
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m7_95= 0
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m10_2= 0
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m12_2= 0
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Result (fr):
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S15-S0 = 1608 = 0b0001011000001000
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Result (hr):
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S15-S0 = 0608 = 0b0000011000001000
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Input:
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m4_75= 0 smod= 0
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m5_15= 0 spare= 0
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m5_90= 0 icmi= 0
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m6_70= 0 nscb= 0
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m7_40= 1 ver= 0
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m7_95= 0
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m10_2= 0
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m12_2= 0
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Result (fr):
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S15-S0 = 0412 = 0b0000010000010010
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Result (hr):
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S15-S0 = 0412 = 0b0000010000010010
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Input:
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m4_75= 0 smod= 0
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m5_15= 0 spare= 0
|
||||
m5_90= 0 icmi= 0
|
||||
m6_70= 0 nscb= 0
|
||||
m7_40= 0 ver= 0
|
||||
m7_95= 1
|
||||
m10_2= 0
|
||||
m12_2= 0
|
||||
Result (fr):
|
||||
S15-S0 = 4020 = 0b0100000000100000
|
||||
Result (hr):
|
||||
S15-S0 = 0020 = 0b0000000000100000
|
||||
|
||||
Input:
|
||||
m4_75= 0 smod= 0
|
||||
m5_15= 0 spare= 0
|
||||
m5_90= 0 icmi= 0
|
||||
m6_70= 0 nscb= 0
|
||||
m7_40= 0 ver= 0
|
||||
m7_95= 0
|
||||
m10_2= 1
|
||||
m12_2= 0
|
||||
Result (fr):
|
||||
S15-S0 = 1040 = 0b0001000001000000
|
||||
Result (hr):
|
||||
S15-S0 = 0000 = 0b0000000000000000
|
||||
|
||||
Input:
|
||||
m4_75= 0 smod= 0
|
||||
m5_15= 0 spare= 0
|
||||
m5_90= 0 icmi= 0
|
||||
m6_70= 0 nscb= 0
|
||||
m7_40= 0 ver= 0
|
||||
m7_95= 0
|
||||
m10_2= 0
|
||||
m12_2= 1
|
||||
Result (fr):
|
||||
S15-S0 = 4082 = 0b0100000010000010
|
||||
Result (hr):
|
||||
S15-S0 = 0002 = 0b0000000000000010
|
||||
|
||||
Input:
|
||||
m4_75= 1 smod= 0
|
||||
m5_15= 1 spare= 0
|
||||
m5_90= 1 icmi= 0
|
||||
m6_70= 1 nscb= 0
|
||||
m7_40= 0 ver= 0
|
||||
m7_95= 0
|
||||
m10_2= 0
|
||||
m12_2= 0
|
||||
Result (fr):
|
||||
S15-S0 = 570f = 0b0101011100001111
|
||||
Result (hr):
|
||||
S15-S0 = 070f = 0b0000011100001111
|
||||
|
||||
Input:
|
||||
m4_75= 0 smod= 0
|
||||
m5_15= 0 spare= 0
|
||||
m5_90= 0 icmi= 0
|
||||
m6_70= 0 nscb= 0
|
||||
m7_40= 1 ver= 0
|
||||
m7_95= 1
|
||||
m10_2= 1
|
||||
m12_2= 1
|
||||
Result (fr):
|
||||
S15-S0 = 54f2 = 0b0101010011110010
|
||||
Result (hr):
|
||||
S15-S0 = 0432 = 0b0000010000110010
|
||||
|
||||
Input:
|
||||
m4_75= 0 smod= 0
|
||||
m5_15= 0 spare= 0
|
||||
m5_90= 1 icmi= 0
|
||||
m6_70= 1 nscb= 0
|
||||
m7_40= 0 ver= 0
|
||||
m7_95= 0
|
||||
m10_2= 1
|
||||
m12_2= 1
|
||||
Result (fr):
|
||||
S15-S0 = 57ce = 0b0101011111001110
|
||||
Result (hr):
|
||||
S15-S0 = 070e = 0b0000011100001110
|
||||
|
||||
Input:
|
||||
m4_75= 1 smod= 0
|
||||
m5_15= 1 spare= 0
|
||||
m5_90= 0 icmi= 0
|
||||
m6_70= 0 nscb= 0
|
||||
m7_40= 1 ver= 0
|
||||
m7_95= 1
|
||||
m10_2= 0
|
||||
m12_2= 0
|
||||
Result (fr):
|
||||
S15-S0 = 5733 = 0b0101011100110011
|
||||
Result (hr):
|
||||
S15-S0 = 0733 = 0b0000011100110011
|
||||
|
||||
Input:
|
||||
m4_75= 0 smod= 0
|
||||
m5_15= 1 spare= 0
|
||||
m5_90= 0 icmi= 0
|
||||
m6_70= 1 nscb= 0
|
||||
m7_40= 0 ver= 0
|
||||
m7_95= 1
|
||||
m10_2= 0
|
||||
m12_2= 1
|
||||
Result (fr):
|
||||
S15-S0 = 56aa = 0b0101011010101010
|
||||
Result (hr):
|
||||
S15-S0 = 062a = 0b0000011000101010
|
||||
|
||||
Input:
|
||||
m4_75= 1 smod= 0
|
||||
m5_15= 0 spare= 0
|
||||
m5_90= 1 icmi= 0
|
||||
m6_70= 0 nscb= 0
|
||||
m7_40= 1 ver= 0
|
||||
m7_95= 0
|
||||
m10_2= 1
|
||||
m12_2= 0
|
||||
Result (fr):
|
||||
S15-S0 = 5757 = 0b0101011101010111
|
||||
Result (hr):
|
||||
S15-S0 = 0717 = 0b0000011100010111
|
||||
|
||||
Input:
|
||||
m4_75= 1 smod= 0
|
||||
m5_15= 1 spare= 0
|
||||
m5_90= 1 icmi= 0
|
||||
m6_70= 1 nscb= 0
|
||||
m7_40= 1 ver= 0
|
||||
m7_95= 1
|
||||
m10_2= 1
|
||||
m12_2= 1
|
||||
Result (fr):
|
||||
S15-S0 = 57ff = 0b0101011111111111
|
||||
Result (hr):
|
||||
S15-S0 = 073f = 0b0000011100111111
|
||||
|
||||
Done
|
||||
|
|
Loading…
Reference in New Issue