FreeCalypso > hg > fc-tourmaline
annotate src/g23m-aci/gdd_dio/gdd_dio_queue.c @ 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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rev | line source |
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1
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | File : gdd_dio_queue.c |
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4 +----------------------------------------------------------------------------- |
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5 | Copyright 2002 Texas Instruments Berlin, AG |
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6 | All rights reserved. |
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7 | |
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8 | This file is confidential and a trade secret of Texas |
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9 | Instruments Berlin, AG |
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10 | The receipt of or possession of this file does not convey |
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11 | any rights to reproduce or disclose its contents or to |
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12 | manufacture, use, or sell anything it may describe, in |
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13 | whole, or in part, without the specific written consent of |
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14 | Texas Instruments Berlin, AG. |
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15 +----------------------------------------------------------------------------- |
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16 | Purpose : Implements the queue functions for the DIO buffer FIFO |
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17 +----------------------------------------------------------------------------- |
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18 */ |
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19 |
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20 |
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21 #define ENTITY_GDD_DIO |
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22 |
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23 /*==== INCLUDES =============================================================*/ |
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24 |
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25 #include "typedefs.h" /* to get Condat data types */ |
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26 #include "vsi.h" /* to get a lot of macros */ |
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27 |
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28 #include <string.h> /* for memset */ |
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29 |
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30 #include "gdd_dio_queue.h" |
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31 |
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32 /*==== CONST ================================================================*/ |
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33 |
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34 /*==== LOCAL VARS ===========================================================*/ |
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35 |
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36 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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37 |
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38 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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39 |
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40 |
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41 GLOBAL void gdd_dio_queue_clear(T_GDD_BUF_QUEUE *queue) |
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42 { |
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43 queue->next_in = 0; |
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44 queue->next_out = 0; |
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45 memset(queue->elems, 0, sizeof(T_dio_buffer *) * GDD_MAX_DIO_BUF); |
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46 } |
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47 |
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48 |
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49 BOOL gdd_dio_queue_is_empty(const T_GDD_BUF_QUEUE *queue) |
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50 { |
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51 return (queue->next_in == queue->next_out) && |
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52 (0 == queue->elems[queue->next_out]); |
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53 } |
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54 |
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55 |
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56 GLOBAL BOOL gdd_dio_queue_is_full(const T_GDD_BUF_QUEUE *queue) |
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57 { |
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58 return (queue->next_in == queue->next_out) && |
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59 !(0 == queue->elems[queue->next_out]); |
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60 } |
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61 |
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62 |
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63 GLOBAL BOOL gdd_dio_dequeue(T_GDD_BUF_QUEUE *queue, T_dio_buffer **elem) |
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64 { |
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65 if(gdd_dio_queue_is_empty(queue)) |
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66 { |
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67 return FALSE; |
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68 } |
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69 else |
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70 { |
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71 (*elem) = queue->elems[queue->next_out]; |
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72 queue->elems[queue->next_out] = 0; |
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73 ++(queue->next_out); |
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74 if(queue->next_out EQ GDD_MAX_DIO_BUF) |
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75 queue->next_out = 0; |
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76 return TRUE; |
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77 } |
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78 } |
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79 |
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80 GLOBAL BOOL gdd_dio_queue_peek_next_for_dequeue |
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81 (const T_GDD_BUF_QUEUE *queue, /*out*/T_dio_buffer **elem) |
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82 { |
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83 if(gdd_dio_queue_is_empty(queue)) |
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84 { |
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85 return FALSE; |
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86 } |
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87 else |
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88 { |
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89 (*elem) = queue->elems[queue->next_out]; |
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90 return TRUE; |
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91 } |
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92 } |
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93 |
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94 GLOBAL BOOL gdd_dio_enqueue(T_dio_buffer *elem, T_GDD_BUF_QUEUE *queue, /*out*/U16 *pos) |
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95 { |
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96 if(gdd_dio_queue_is_full(queue)) |
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97 { |
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98 return FALSE; |
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99 } |
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100 else |
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101 { |
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102 queue->elems[queue->next_in] = elem; |
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103 (*pos) = queue->next_in; |
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104 ++(queue->next_in); |
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105 if(queue->next_in EQ GDD_MAX_DIO_BUF) |
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106 queue->next_in = 0; |
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107 return TRUE; |
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108 } |
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109 } |
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110 |
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111 |
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112 GLOBAL void gdd_dio_queue_peek(const T_GDD_BUF_QUEUE *queue, U16 pos, /*out*/T_dio_buffer **elem) |
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113 { |
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114 (*elem) = queue->elems[pos]; |
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115 } |