FreeCalypso > hg > fc-tourmaline
annotate src/g23m-aci/gdd_dio/gdd_dio_queue.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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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.h |
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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 : Definitions for gdd_dio_queue.c |
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17 +----------------------------------------------------------------------------- |
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18 */ |
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19 |
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20 #ifndef GDD_DIO_QUEUE_H |
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21 #define GDD_DIO_QUEUE_H |
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22 |
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23 /*==== INCLUDES =============================================================*/ |
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24 |
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25 #include "gdd.h" |
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26 |
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27 #include "p_dio.h" |
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28 |
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29 |
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30 /*==== DEFINITIONS ==========================================================*/ |
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31 |
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32 /** |
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33 * Maximum numbers of simultaneous DIO buffers provided by PSI. |
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34 * Might be increased at one stage in the future. |
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35 */ |
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36 #define GDD_MAX_DIO_BUF 2 |
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37 |
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38 /** |
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39 * Definition of buffer queue |
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40 */ |
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41 typedef struct |
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42 { |
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43 T_dio_buffer * elems[GDD_MAX_DIO_BUF]; |
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44 U16 next_in; |
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45 U16 next_out; |
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46 } T_GDD_BUF_QUEUE; |
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47 |
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48 |
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49 /*==== EXPORTS ===============================================================*/ |
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50 |
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51 /* |
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52 +------------------------------------------------------------------------------ |
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53 | Function : gdd_dio_queue_clear |
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54 +------------------------------------------------------------------------------ |
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55 | Description : Clear a queue |
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56 | |
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57 | Parameters : queue - pointer to queue to be cleared |
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58 | |
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59 +------------------------------------------------------------------------------ |
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60 */ |
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61 EXTERN void gdd_dio_queue_clear(T_GDD_BUF_QUEUE *queue); |
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62 |
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63 |
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64 /* |
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65 +------------------------------------------------------------------------------ |
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66 | Function : gdd_dio_queue_is_empty |
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67 +------------------------------------------------------------------------------ |
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68 | Description : Check if a queue is empty |
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69 | |
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70 | Parameters : queue - pointer to queue to be checked |
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71 | |
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72 | Return : TRUE if queue is empty, FALSE otherwise |
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73 +------------------------------------------------------------------------------ |
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74 */ |
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75 EXTERN BOOL gdd_dio_queue_is_empty(const T_GDD_BUF_QUEUE *queue); |
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76 |
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77 |
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78 /* |
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79 +------------------------------------------------------------------------------ |
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80 | Function : gdd_dio_queue_is_full |
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81 +------------------------------------------------------------------------------ |
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82 | Description : Check if a queue is full |
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83 | |
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84 | Parameters : queue - pointer to queue to be checked |
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85 | |
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86 | Return : TRUE if queue is full, FALSE otherwise |
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87 +------------------------------------------------------------------------------ |
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88 */ |
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89 EXTERN BOOL gdd_dio_queue_is_full(const T_GDD_BUF_QUEUE *queue); |
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90 |
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91 |
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92 /* |
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93 +------------------------------------------------------------------------------ |
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94 | Function : gdd_dio_enqueue |
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95 +------------------------------------------------------------------------------ |
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96 | Description : Enqueue an item into the queue |
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97 | |
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98 | Parameters : elem - item to be enqueued |
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99 | queue - pointer to queue to be modified |
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100 | pos - to return the position of the enqueued item |
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101 | |
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102 | Return : TRUE if item is enqueued, FALSE if the queue is already full |
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103 +------------------------------------------------------------------------------ |
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104 */ |
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105 EXTERN BOOL gdd_dio_enqueue(T_dio_buffer *elem, T_GDD_BUF_QUEUE *queue, /*out*/U16 *pos); |
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106 |
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107 |
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108 /* |
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109 +------------------------------------------------------------------------------ |
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110 | Function : gdd_dio_dequeue |
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111 +------------------------------------------------------------------------------ |
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112 | Description : Dequeue an item into the queue |
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113 | |
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114 | Parameters : queue - pointer to queue to be modified |
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115 | elem - to return the dequeued item |
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116 | |
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117 | Return : TRUE if item is dequeued, FALSE if the queue is empty |
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118 +------------------------------------------------------------------------------ |
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119 */ |
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120 EXTERN BOOL gdd_dio_dequeue(T_GDD_BUF_QUEUE *queue, /*out*/T_dio_buffer **elem); |
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121 |
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122 /* |
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123 +------------------------------------------------------------------------------ |
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124 | Function : gdd_dio_queue_peek_next_for_dequeue |
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125 +------------------------------------------------------------------------------ |
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126 | Description : Retrieves the element that is next to dequeue without actually |
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127 | dequeuing it. |
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128 | |
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129 | Parameters : queue - pointer to queue |
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130 | pos - position of element |
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131 | elem - to output element value |
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132 | |
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133 | Return : TRUE if item is available, FALSE if the queue is empty |
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134 +------------------------------------------------------------------------------ |
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135 */ |
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136 EXTERN BOOL gdd_dio_queue_peek_next_for_dequeue |
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137 (const T_GDD_BUF_QUEUE *queue, T_dio_buffer **elem); |
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138 |
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139 /* |
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140 +------------------------------------------------------------------------------ |
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141 | Function : gdd_dio_queue_peek |
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142 +------------------------------------------------------------------------------ |
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143 | Description : Retrieve element at specified position |
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144 | |
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145 | Parameters : queue - pointer to queue |
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146 | pos - position of element |
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147 | elem - to output element value |
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148 | |
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149 | Attention : This function does not do bounds checking |
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150 +------------------------------------------------------------------------------ |
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151 */ |
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152 EXTERN void gdd_dio_queue_peek(const T_GDD_BUF_QUEUE *queue, U16 pos, /*out*/T_dio_buffer **elem); |
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153 |
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154 #endif /* !GDD_DIO_QUEUE_H */ |
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155 |