FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/llc/llc_us.h @ 303:f76436d19a7a default tip
!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> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : Definitions for llc_us.c |
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18 +----------------------------------------------------------------------------- |
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19 */ |
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20 |
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21 |
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22 #ifndef LLC_US_H |
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23 #define LLC_US_H |
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24 |
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25 |
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26 |
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27 |
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28 EXTERN void sig_llme_u_assign_req (void); |
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29 |
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30 EXTERN void sig_llme_u_unassign_req (void); |
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31 |
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32 EXTERN void sig_rx_u_data_ind (T_LL_UNITDATA_IND *ll_unitdata_ind, |
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33 T_COMMAND command, T_BIT cr_bit, T_BIT pf_bit); |
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34 |
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35 EXTERN void sig_rx_u_frmr_ind (T_LL_UNITDATA_IND *ll_unitdata_ind, |
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36 T_PDU_TYPE pdu_type, |
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37 USHORT frmr_ctrl_length, |
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38 T_BIT cr_bit, |
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39 UBYTE frmr_reason); |
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40 |
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41 EXTERN void sig_t200_u_expired_ind |
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42 ( |
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43 #ifndef LL_DESC |
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44 T_LL_UNITDATA_REQ *ll_unitdesc_req, |
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45 #else |
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46 T_LL_UNITDESC_REQ *ll_unitdesc_req, |
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47 #endif |
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48 UBYTE cause, |
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49 T_EXPIRY_MODE_TYPE mode |
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50 ); |
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51 |
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52 EXTERN void sig_llme_u_reest_req (void); |
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53 |
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54 EXTERN void sig_irx_u_no_frame_expected_ind (void); |
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55 |
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56 #endif /* !LLC_US_H */ |
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57 |