FreeCalypso > hg > fc-tourmaline

annotate src/cs/layer1/gtt_include/ctm/tonemod.h @ 303:f76436d19a7a default tip

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!GPRS config: fix long-standing AT+COPS chance hanging bug There has been a long-standing bug in FreeCalypso going back years: sometimes in the AT command bring-up sequence of an ACI-only MS, the AT+COPS command would produce only a power scan followed by cessation of protocol stack activity (only L1 ADC traces), instead of the expected network search sequence. This behaviour was seen in different FC firmware versions going back to Citrine, and seemed to follow some law of chance, not reliably repeatable. This bug has been tracked down and found to be specific to !GPRS configuration, stemming from our TCS2/TCS3 hybrid and reconstruction of !GPRS support that was bitrotten in TCS3.2/LoCosto version. ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3 version and had to be pulled from TCS2 - but as it turns out, there is a new field in the MMR_REG_REQ primitive that needs to be set correctly, and that psa_mms.c module is the place where this initialization needed to be added.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 08 Jun 2023 08:23:37 +0000
parents 4e78acac3d88
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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2 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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3 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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5 * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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7 * The program(s) may be used and/or copied only with the
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8 * written permission from Ericsson or in accordance
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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9 * with the terms and conditions stipulated in the agreement or
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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10 * contract under which the program(s) have been supplied.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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11 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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12 * Changes since October 13, 2000:
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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13 * - The type mod_state_t includes a new member txbits_fifo_state now.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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14 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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15 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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16 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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17 * File : tonemod.h
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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18 * Purpose : header file for tonemod.c
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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19 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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20 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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21 */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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22
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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23 #ifndef tonemod_h
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24 #define tonemod_h "$Id: $"
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25
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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26 /*
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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27 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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28 * INCLUDE FILES
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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29 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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30 */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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31
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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32 #include <fifo.h>
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33
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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34 /*
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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35 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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36 * DECLARATION OF PROTOTYPES
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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37 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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38 */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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39
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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40
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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41 /* Define a type for the state variable of the function tonemod() */
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42
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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43 typedef struct {
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44 WORD16 cntModulatedSamples;
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45 WORD16 actualBits[2];
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46 fifo_state_t txbits_fifo_state;
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47 } mod_state_t;
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48
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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49
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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50 /* ---------------------------------------------------------------------- */
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51 /* Function init_tonemod() */
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52 /* *********************** */
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53 /* This function has to be executed before tonemod() can be used. */
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54 /* ---------------------------------------------------------------------- */
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55
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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56 void init_tonemod(mod_state_t *mod_state);
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57
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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58
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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59 /* ---------------------------------------------------------------------- */
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60 /* Function tonemod() */
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61 /* ****************** */
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62 /* Modulator of the Cellular Text Telephone Modem. */
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63 /* The input vector bits_in must contain the bits that have to be */
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64 /* transmitted. The length of bits_in must be even because always two */
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65 /* bits are coded in parallel. */
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66 /* Bits are either unipolar (i.e. {0, 1}) or bipolar (i.e. {-1, +1)}. */
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67 /* The length of the output vector tones_out must be 20 times longer than */
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68 /* the length of bits_in, since each pair of two bits is coded within a */
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69 /* frame of 40 audio samples. */
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70 /* ---------------------------------------------------------------------- */
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71
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72 void tonemod(WORD16 *tones_out,
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73 WORD16 *bits_in,
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74 WORD16 num_samples_tones_out,
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75 WORD16 num_bits_in,
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76 mod_state_t *mod_state);
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77
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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78 #endif