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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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/************* Revision Controle System Header *************
 *                  GSM Layer 1 software
 * L1TM_CUST.H
 *
 *        Filename l1tm_cust.h
 *  Copyright 2003 (C) Texas Instruments  
 * 
 ************* Revision Controle System Header *************/


/*---------------------------------------------------------*/
/* Initial settings for test mode config => Cust_tm_init() */
/*---------------------------------------------------------*/

// Control algorithm settings: 0=>OFF, 1=>ON
#define AGC_ENABLE   1
#define AFC_ENABLE   1

// ADC conversion setting: 0=>OFF, 1=>ON
#define ADC_ENABLE   1

// AGC settings
#define TM_AGC_VALUE   50   // AGC gain
#define TM_LNA_OFF      0   // 0=>LNA ON, 1=>LNA OFF

// Power measurement settings
#define TM_NUM_MEAS     1  // number of measurements per TDMA
#define TM_WIN_MEAS     1  // position of measurement within TDMA

// BEACON and TCH settings
#define TM_BCCH_ARFCN   80     // beacon 
#define TM_TCH_ARFCN    62     // TCH arfcn
#define TM_MON_ARFCN    33     // monitor arfcn
#define TM_CHAN_TYPE    TCH_F  // channel type
#define TM_SUB_CHAN      0     // subchannel number
#define TM_SLOT_NUM      4     // TS number
#define TM_TSC           5     // Training Sequence
#define TM_TXPWR        15     // TXPWR setting
#define TM_TXPWR_SKIP    4
#define TM_TA            0     // timing advance setting
#define TM_BURST_TYPE    0     // 0=>normal burst, 1=>RACH burst
#define TM_BURST_DATA    0     // as defined in TM100.doc: tx_param_write
#define TM_PM_ENABLE     1     // Enable power measurements in packet transfer mode

// Statistics settings
#define TM_NUM_LOOPS              0  // number of times a task is executed, 0 means infinite loop
#define TM_AUTO_RESULT_LOOPS      0  // number of loops before stats result is returned, 0 means infinite
#define TM_AUTO_RESET_LOOPS       0  // number of loops before stats I/F is reset, 0 means infinite
#define TM_STAT_TYPE              1  // type of stats as defined in TM100.doc: stats_read
#define TM_STAT_BITMASK      0x6057  // stats bitmaks as defined in TM100.doc: stats_read

#if L1_GPRS
  // Settings for GPRS test mode:
  #define TM_PDTCH_ARFCN        62  // PDTCH arfcn
  #define TM_MULTISLOT_CLASS     1  // GPRS multi slot class
  #define TM_STAT_GPRS_SLOTS  0x80  // Bit mask for RX stats from PDTCH
  #define TM_RX_ALLOCATION    0x80  // RX slot allocation (bit7->TS0...bit0->TS7)
  #define TM_RX_CODING_SCHEME    1  // RX coding scheme
  #define TM_TX_ALLOCATION    0x80  // TX slot allocation (bit7->TS0...bit0->TS7)
  #define TM_TX_CODING_SCHEME    2  // TX coding scheme
  #define TM_TXPWR_GPRS         15  // GPRS txpwr level
#endif