FreeCalypso > hg > fc-magnetite
annotate src/aci2/mfw/mfw_utils.c @ 468:79bc5876eb98
romvecs-patch: actual patch for xxd created
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 25 Mar 2018 01:28:30 +0000 |
parents | 93999a60b835 |
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rev | line source |
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1 /* |
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2 +--------------------------------------------------------------------+ |
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3 | PROJECT: MMI-Framework (8417) $Workfile:: mfw_utils.c $| |
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4 | $Author:: NDH $Revision:: 1 $| |
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5 | CREATED: 6.1.2003 $Modtime:: 10.04.00 14:58 $| |
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6 | STATE : code $| |
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7 +--------------------------------------------------------------------+ |
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8 |
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9 MODULE : MFW_UTILS |
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10 |
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11 PURPOSE : This modul contains General Functional Utilities. |
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12 |
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13 HISTORY: |
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14 Oct 04, 2004 REF: CRR 25519 Deepa M.D |
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15 Bug:Re-align structure members in MFW |
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16 Fix:Structure elements have been realigned to avoid the structure padding |
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17 |
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18 Jun 05, 2004 REF: CRR 18262 NISHIKANT KULKARNI |
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19 Description: The sample sends a STOP DTMF message without release of the key by the user |
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20 Solution: Instead of sending DTMF commands in "VTS_MOD_Auto" mode, on key press DTMF tone is started |
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21 using VTS_MOD_ManStart and on key release DTMF tone is stopped using VTS_MOD_ManStop mode. |
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22 |
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23 */ |
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24 |
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25 #include <string.h> |
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26 |
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27 |
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28 #if defined (NEW_FRAME) |
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29 |
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30 #include "typedefs.h" |
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31 #include "vsi.h" |
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32 #include "pei.h" |
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33 #include "custom.h" |
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34 #include "gsm.h" |
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35 |
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36 #else |
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37 |
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38 #include "STDDEFS.H" |
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39 #include "custom.h" |
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40 #include "gsm.h" |
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41 #include "vsi.h" |
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42 |
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43 #endif |
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44 |
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45 #include "mfw_mfw.h" |
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46 #include "mfw_utils.h" |
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47 |
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48 #include "cus_aci.h" |
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49 #include "prim.h" |
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50 #ifndef PCM_2_FFS |
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51 #include "pcm.h" |
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52 #endif |
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53 |
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54 |
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55 // xnkulkar SPR-18262: This length of array for storing DTMF mode (Start/Stop), is equal to the number |
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56 // of DTMF tone requests that can be stored in queue. |
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57 #define MAX_DTMF_Q_ENTRIES 50 |
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58 /***************************Go-lite Optimization changes start***********************/ |
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59 //Oct 04, 2004 REF: CRR 25519 Deepa M.D |
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60 //Structure elements (T_MFW_CBUF_HEADER)are realigned to avoid the structure padding |
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61 typedef struct |
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62 { //xnkulkar SPR-18262: This member is used to store the mode for various DTMF tones present in queue to be sent. |
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63 UBYTE vts_mode[MAX_DTMF_Q_ENTRIES]; |
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64 USHORT item_size; |
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65 UBYTE *mfw_cb; |
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66 ULONG mfw_cb_read_pos; |
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67 ULONG mfw_cb_write_pos; |
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68 USHORT num_elements; |
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69 USHORT max_num_items; |
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70 UBYTE null_char; |
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71 UBYTE overwrite; |
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72 UBYTE static_buf; |
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73 UBYTE active; |
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74 } T_MFW_CBUF_HEADER; |
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75 /***************************Go-lite Optimization changes end***********************/ |
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76 |
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77 static T_MFW_CBUF_HEADER cbf_hdr[MAX_CBUF_QUEUES]; |
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78 static UBYTE cbf_num_of_buffers; |
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79 |
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80 |
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81 /* |
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82 ** Static Function Prototypes |
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83 */ |
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84 static SHORT mfw_cbuf_get_free_id(void); |
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85 |
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86 /* |
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87 +--------------------------------------------------------------------+ |
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88 | PROJECT: MMI-Framework (8417) MODULE: MFW_CBUF | |
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89 | STATE : code ROUTINE: (static) mfw_cbuf_init | |
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90 +--------------------------------------------------------------------+ |
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91 |
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92 |
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93 PURPOSE : Create and Initialise the Circular Buffer |
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94 |
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95 */ |
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96 SHORT mfw_cbuf_create (USHORT max_num_items, USHORT item_size, |
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97 UBYTE overwrite, UBYTE null_char, |
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98 UBYTE static_buf, void *buffer_ptr) |
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99 { |
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100 SHORT bufId; |
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101 |
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102 if (cbf_num_of_buffers < MAX_CBUF_QUEUES) |
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103 { |
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104 /* |
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105 ** Get the first available Id for a free buffer |
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106 */ |
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107 bufId = mfw_cbuf_get_free_id(); |
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108 if (bufId == MFW_CBUF_NO_BUFS_AVAILABLE) |
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109 return (MFW_CBUF_NO_BUFS_AVAILABLE); |
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110 } |
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111 else |
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112 { |
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113 /* |
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114 ** return -1 as an indication that there are no more buffer handles available |
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115 */ |
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116 return (MFW_CBUF_NO_BUFS_AVAILABLE); |
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117 } |
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118 |
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119 /* |
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120 ** We now have a valid bufferId but check the validity of the incoming parameters |
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121 ** before we allocate the buffer. |
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122 */ |
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123 if (item_size == 0) |
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124 return (MFW_CBUF_INVALID_ITEM_SIZE); |
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125 |
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126 if (max_num_items == 0) |
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127 return (MFW_CBUF_INVALID_MAX_ITEMS); |
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128 |
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129 if ((static_buf) && (buffer_ptr == (void *)0)) |
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130 return (MFW_CBUF_INVALID_BUF_PTR); |
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131 |
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132 if ((!static_buf) && (buffer_ptr != (void *)0)) |
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133 return (MFW_CBUF_INVALID_BUF_PTR); |
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134 |
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135 /* |
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136 ** Set the selected buffer to active |
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137 */ |
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138 cbf_hdr[bufId].active = TRUE; |
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139 |
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140 if (!static_buf) |
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141 { |
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142 /* |
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143 ** If the buffer isn't static, then get the dynamic memory for it. |
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144 */ |
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145 cbf_hdr[bufId].mfw_cb = mfwAlloc(item_size * max_num_items); |
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146 cbf_hdr[bufId].static_buf = FALSE; |
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147 |
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148 if (cbf_hdr[bufId].mfw_cb == (void *)0) |
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149 { |
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150 /* |
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151 ** The memory Allocation failed, mark the buffer as inactive and return an error |
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152 */ |
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153 cbf_hdr[bufId].active = FALSE; |
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154 return (MFW_CBUF_MEM_ALLOC_FAILURE); |
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155 } |
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156 } |
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157 else |
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158 { |
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159 /* |
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160 ** If the buffer is static, the calling function will have provided a |
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161 ** pointer to the buffer to be used. |
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162 */ |
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163 cbf_hdr[bufId].mfw_cb = (UBYTE *)buffer_ptr; |
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164 cbf_hdr[bufId].static_buf = TRUE; |
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165 } |
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166 |
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167 /* |
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168 ** Initialise the buffer header which contains the information needed to |
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169 ** maintain the buffer |
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170 */ |
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171 cbf_hdr[bufId].max_num_items = max_num_items; |
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172 cbf_hdr[bufId].item_size = item_size; |
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173 cbf_hdr[bufId].null_char = null_char; |
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174 cbf_hdr[bufId].overwrite = overwrite; |
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175 |
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176 /* |
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177 ** The buffer is created with no elements in it. |
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178 */ |
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179 cbf_hdr[bufId].num_elements = 0; |
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180 cbf_hdr[bufId].mfw_cb_read_pos = 0; |
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181 cbf_hdr[bufId].mfw_cb_write_pos = 0; |
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182 |
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183 /* |
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184 ** Ensure the buffer is initialised with the required null character |
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185 */ |
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186 memset(cbf_hdr[bufId].mfw_cb, |
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187 cbf_hdr[bufId].null_char, |
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188 item_size * max_num_items); |
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189 |
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190 return (bufId); |
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191 } |
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192 |
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193 /* |
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194 +--------------------------------------------------------------------+ |
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195 | PROJECT: MMI-Framework (8417) MODULE: MFW_CBUF | |
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196 | STATE : code ROUTINE: (static) mfw_cbuf_delete | |
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197 +--------------------------------------------------------------------+ |
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198 |
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199 |
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200 PURPOSE : delete a dynamically allocated buffer, freeing the memory |
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201 A statically allocated buffer CANNOT be released. |
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202 |
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203 */ |
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204 SHORT mfw_cbuf_delete (SHORT bufId) |
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205 { |
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206 if ((bufId < 0) || (bufId >= MAX_CBUF_QUEUES)) |
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207 return (MFW_CBUF_INVALID_BUF_ID); |
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208 |
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209 if (cbf_hdr[bufId].active == FALSE) |
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210 return (MFW_CBUF_INVALID_BUF_ID); |
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211 |
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212 if (cbf_hdr[bufId].static_buf) |
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213 return (MFW_CBUF_INVALID_STATIC_BUF); |
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214 |
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215 /* |
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216 ** Free the dynamically allocated memory and set buffer to inactive |
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217 ** all the other information is irrelevant as once the buffer is marked inactive |
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218 ** it cannot be used. |
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219 */ |
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220 mfwFree(cbf_hdr[bufId].mfw_cb, |
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221 cbf_hdr[bufId].item_size * cbf_hdr[bufId].max_num_items); |
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222 |
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223 cbf_hdr[bufId].active = FALSE; |
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224 |
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225 return (MFW_CBUF_OK); |
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226 } |
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227 |
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228 /* |
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229 +--------------------------------------------------------------------+ |
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230 | PROJECT: MMI-Framework (8417) MODULE: MFW_CBUF | |
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231 | STATE : code ROUTINE: (static) mfw_cbuf_reset | |
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232 +--------------------------------------------------------------------+ |
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233 |
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234 |
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235 PURPOSE : clears all the data from the buffer and resets the read and write pointers. |
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236 |
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237 */ |
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238 SHORT mfw_cbuf_reset (SHORT bufId) |
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239 { |
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240 if ((bufId < 0) || (bufId >= MAX_CBUF_QUEUES)) |
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241 return (MFW_CBUF_INVALID_BUF_ID); |
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242 |
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243 if (cbf_hdr[bufId].active == FALSE) |
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244 return (MFW_CBUF_INVALID_BUF_ID); |
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245 |
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246 /* |
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247 ** The buffer is reset with no elements in it. |
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248 */ |
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249 cbf_hdr[bufId].num_elements = 0; |
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250 cbf_hdr[bufId].mfw_cb_read_pos = 0; |
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251 cbf_hdr[bufId].mfw_cb_write_pos = 0; |
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252 |
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253 /* |
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254 ** Ensure the buffer is initialised with the required null character |
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255 */ |
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256 memset(cbf_hdr[bufId].mfw_cb, |
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257 cbf_hdr[bufId].null_char, |
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258 cbf_hdr[bufId].item_size * cbf_hdr[bufId].max_num_items); |
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259 |
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260 return (MFW_CBUF_OK); |
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261 } |
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262 |
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263 /* |
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264 +--------------------------------------------------------------------+ |
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265 | PROJECT: MMI-Framework (8417) MODULE: MFW_CBUF | |
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266 | STATE : code ROUTINE: (static) mfw_cbuf_put | |
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267 +--------------------------------------------------------------------+ |
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268 |
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269 |
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270 PURPOSE : Add an item to the appropriate circular buffer |
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271 |
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272 */ |
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273 SHORT mfw_cbuf_put (SHORT bufId, void *data_ptr) |
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274 { |
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275 if ((bufId < 0) || (bufId >= MAX_CBUF_QUEUES)) |
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276 return (MFW_CBUF_INVALID_BUF_ID); |
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277 |
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278 if (cbf_hdr[bufId].active == FALSE) |
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279 return (MFW_CBUF_INVALID_BUF_ID); |
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280 |
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281 if (data_ptr == (void *)0) |
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282 return (MFW_CBUF_INVALID_BUF_PTR); |
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283 |
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284 if (cbf_hdr[bufId].num_elements < cbf_hdr[bufId].max_num_items) |
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285 { |
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286 /* |
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287 ** Standard Add data ... no data lost. |
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288 ** Memcpy the input data into the circular buffer |
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289 */ |
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290 memcpy(&cbf_hdr[bufId].mfw_cb[cbf_hdr[bufId].mfw_cb_write_pos], |
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291 data_ptr, |
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292 cbf_hdr[bufId].item_size); |
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293 |
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294 /* |
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295 ** Move the write_pointer along to the next required position |
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296 */ |
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297 cbf_hdr[bufId].mfw_cb_write_pos = (cbf_hdr[bufId].mfw_cb_write_pos + cbf_hdr[bufId].item_size) % |
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298 (cbf_hdr[bufId].item_size * cbf_hdr[bufId].max_num_items); |
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299 cbf_hdr[bufId].num_elements++; |
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300 return (MFW_CBUF_OK); |
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301 } |
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302 else if (cbf_hdr[bufId].overwrite) |
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303 { |
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304 /* |
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305 ** Overwrite Add data ... The oldest Data in the buffer is lost. |
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306 ** Memcpy the input data into the circular buffer |
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307 */ |
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308 memcpy(&cbf_hdr[bufId].mfw_cb[cbf_hdr[bufId].mfw_cb_write_pos], |
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309 data_ptr, |
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310 cbf_hdr[bufId].item_size); |
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311 |
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312 /* |
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313 ** Move the write_pointer along to the next required position |
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314 */ |
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315 cbf_hdr[bufId].mfw_cb_write_pos = (cbf_hdr[bufId].mfw_cb_write_pos + cbf_hdr[bufId].item_size) % |
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316 (cbf_hdr[bufId].item_size * cbf_hdr[bufId].max_num_items); |
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317 /* |
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318 ** Move the read pointer along to the next required position as the data it points to |
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319 ** has been overwritten |
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320 */ |
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321 cbf_hdr[bufId].mfw_cb_read_pos = (cbf_hdr[bufId].mfw_cb_read_pos + cbf_hdr[bufId].item_size) % |
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322 (cbf_hdr[bufId].item_size * cbf_hdr[bufId].max_num_items); |
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323 return (MFW_CBUF_OK_DATA_LOSS); |
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324 } |
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325 else |
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326 { |
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327 /* |
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328 ** The Queue is full ... return an error |
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329 */ |
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330 return (MFW_CBUF_PUT_FAILED_Q_FULL); |
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331 } |
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332 } |
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333 |
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334 /* |
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335 +--------------------------------------------------------------------+ |
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336 | PROJECT: MMI-Framework (8417) MODULE: MFW_CBUF | |
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337 | STATE : code ROUTINE: (static) mfw_cbuf_get | |
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338 +--------------------------------------------------------------------+ |
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339 |
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340 |
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341 PURPOSE : Get an event from the DTMF Q |
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342 |
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343 */ |
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344 SHORT mfw_cbuf_get (SHORT bufId, void *buffer_ptr) |
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345 { |
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346 if ((bufId < 0) || (bufId >= MAX_CBUF_QUEUES)) |
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347 return (MFW_CBUF_INVALID_BUF_ID); |
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348 |
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349 if (cbf_hdr[bufId].active == FALSE) |
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350 return (MFW_CBUF_INVALID_BUF_ID); |
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351 |
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352 if (buffer_ptr == (void *)0) |
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353 return (MFW_CBUF_INVALID_BUF_PTR); |
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354 |
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355 if (cbf_hdr[bufId].num_elements != 0) |
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356 { |
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357 /* |
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358 ** Copy the data from the internal buffer into the output buffer, and reset the internal buffer |
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359 */ |
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360 memcpy(buffer_ptr, |
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361 &cbf_hdr[bufId].mfw_cb[cbf_hdr[bufId].mfw_cb_read_pos], |
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362 cbf_hdr[bufId].item_size); |
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|
363 |
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364 memset(&cbf_hdr[bufId].mfw_cb[cbf_hdr[bufId].mfw_cb_read_pos], |
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365 cbf_hdr[bufId].null_char, |
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366 cbf_hdr[bufId].item_size); |
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367 |
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368 /* |
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369 ** Move the read pointer along to the next required position |
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370 */ |
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371 cbf_hdr[bufId].mfw_cb_read_pos = (cbf_hdr[bufId].mfw_cb_read_pos + cbf_hdr[bufId].item_size) % |
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372 (cbf_hdr[bufId].item_size * cbf_hdr[bufId].max_num_items); |
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373 |
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374 cbf_hdr[bufId].num_elements--; |
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375 |
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376 return (MFW_CBUF_OK); |
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377 } |
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378 else |
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379 { |
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380 /* |
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381 ** The Queue is empty ... put valid (null) data into the buffer and return an error |
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382 */ |
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383 memset(buffer_ptr, |
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384 cbf_hdr[bufId].null_char, |
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385 cbf_hdr[bufId].item_size); |
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386 |
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387 return (MFW_CBUF_BUFFER_EMPTY); |
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388 } |
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389 } |
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390 |
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391 |
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392 /* |
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393 +-----------------------------------------------------------------------+ |
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394 |xnkulkar SPR-18262 | |
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395 |ROUTINE: SHORT mfw_cbuf_put_mode() | |
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396 |PURPOSE : Put the mode (Start/Stop) for the DTMF tone in queue | |
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397 | | |
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398 +-----------------------------------------------------------------------+ |
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|
399 */ |
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|
400 |
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401 SHORT mfw_cbuf_put_mode (SHORT bufId,UBYTE vts_mode) |
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402 { |
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403 TRACE_FUNCTION("mfw_cbuf_put_mode()"); |
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404 |
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405 // Check for the validity of buffer ID and "limit" for the number of elements |
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406 // if ok, put the mode (Start / Stop) for the specified DTMF tone in the queue |
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407 if ((bufId < 0) || (bufId >= MAX_CBUF_QUEUES)) |
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408 return MFW_CBUF_INVALID_BUF_ID; |
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409 if (cbf_hdr[bufId].num_elements >= cbf_hdr[bufId].max_num_items) |
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410 return MFW_CBUF_PUT_FAILED_Q_FULL; |
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411 cbf_hdr[bufId].vts_mode[cbf_hdr[bufId].mfw_cb_write_pos] = vts_mode; |
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412 return (MFW_CBUF_OK); |
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413 } |
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414 |
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415 |
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416 /* |
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417 +-----------------------------------------------------------------------+ |
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418 |xnkulkar SPR-18262 | |
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419 |ROUTINE: SHORT mfw_cbuf_get_mode() | |
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420 |PURPOSE : Get the mode (Start/Stop) for the DTMF tone in queue | |
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421 | | |
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422 +-----------------------------------------------------------------------+ |
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423 */ |
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424 SHORT mfw_cbuf_get_mode (SHORT bufId) |
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425 { |
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426 TRACE_FUNCTION("mfw_cbuf_get_mode()"); |
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427 |
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428 // Check for the validity of buffer ID and "limit" for the number of elements |
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429 // if ok, return the mode (Start / Stop) for the requested DTMF tone |
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430 if ((bufId < 0) || (bufId >= MAX_CBUF_QUEUES)) |
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431 return MFW_CBUF_INVALID_BUF_ID; |
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432 if (cbf_hdr[bufId].num_elements >= cbf_hdr[bufId].max_num_items) |
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433 return MFW_CBUF_PUT_FAILED_Q_FULL; |
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434 return cbf_hdr[bufId].vts_mode[cbf_hdr[bufId].mfw_cb_read_pos]; |
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435 } |
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436 |
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437 /* |
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438 +--------------------------------------------------------------------+ |
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439 | PROJECT: MMI-Framework (8417) MODULE: MFW_CBUF | |
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440 | STATE : code ROUTINE: (static) mfw_cbuf_num_elements | |
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441 +--------------------------------------------------------------------+ |
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442 |
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443 |
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444 PURPOSE : Get the number of events on the DTMF Q |
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445 |
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446 */ |
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447 USHORT mfw_cbuf_num_elements (SHORT bufId) |
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448 { |
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449 /* |
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450 ** In this function, if the buffer Id is invalid in any way, we will need to |
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451 ** return 0 for the number of elements and know that any other action on |
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452 ** the buffer will result in an error state. |
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453 */ |
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454 if ((bufId < 0) || (bufId >= MAX_CBUF_QUEUES)) |
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455 return (0); |
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456 |
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457 if (cbf_hdr[bufId].active == FALSE) |
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458 return (0); |
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459 |
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460 /* |
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461 ** Having got to here, the buffer id is valid so return the number of elements |
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462 */ |
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463 return (cbf_hdr[bufId].num_elements); |
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464 } |
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465 |
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466 static SHORT mfw_cbuf_get_free_id(void) |
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467 { |
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468 SHORT i; |
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469 |
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470 for (i=0; i<MAX_CBUF_QUEUES; i++) |
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471 { |
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472 if (cbf_hdr[i].active == FALSE) |
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473 { |
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474 /* |
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475 ** This is the first inactive buffer, pass the index back |
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476 */ |
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477 return (i); |
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478 } |
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479 } |
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480 |
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481 /* |
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482 ** There are no inaqctive buffers, return an Error |
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483 */ |
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484 return (MFW_CBUF_NO_BUFS_AVAILABLE); |
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|
485 } |
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|
486 |