FreeCalypso > hg > fc-magnetite
annotate src/cs/riviera/rvt/rvt_task.c @ 69:50a15a54801e
src/cs/layer1: import from tcs211-l1-reconst project
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 01 Oct 2016 23:45:38 +0000 |
parents | 945cf7f506b2 |
children | 6cea809631d7 |
rev | line source |
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1 /************************************************************************** |
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2 * |
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3 * rvt_task.c |
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4 * |
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5 * This contains the core of the Trace task. |
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6 * |
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7 * (C) Texas Instruments, all rights reserved |
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8 * |
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9 * Version number : 0.1 |
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10 * |
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11 * History : 0.1 (7/5/2000) - Created |
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12 * |
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13 * Date : 7/5/2000 |
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14 * |
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15 * Author : Guido Pagana |
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16 * |
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17 * Update : Pascal Puel |
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18 * : David Lamy-Charrier (changes for Riviera 1.6) |
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19 * |
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20 ***************************************************************************/ |
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21 |
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22 |
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23 #include "nucleus.h" |
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24 |
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25 #include "rv/general.h" |
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26 #include "rv/rv_general.h" |
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27 #include "rvf/rvf_api.h" |
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28 #include "rvt/rvt_gen.h" |
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29 #include "rvt/rvt_def_i.h" |
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30 #include "rvt/rvt_env.h" |
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31 #include "rvt/rvt_env_i.h" |
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32 #include "rvm/rvm_use_id_list.h" |
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33 |
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34 #include "uart/serialswitch.h" |
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35 |
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36 #ifndef _WINDOWS |
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37 #include "config/swconfig.cfg" |
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38 #endif |
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39 |
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40 #include <string.h> |
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41 |
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42 extern NU_HISR TI_rcv_HISR; |
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43 |
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44 /* Time (in milliseconds) between two consecutive 'System Time' messages */ |
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45 #define RVT_ALIVE_POLLING_TIME (RVF_MS_TO_TICKS (20000)) |
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46 |
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47 #define RVT_WAIT_FOR_HEADER (1) |
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48 #define RVT_WAIT_FOR_DATA (2) |
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49 |
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50 |
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51 /********************************************************************************/ |
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52 /* */ |
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53 /* Function Name: rvt_task_core */ |
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54 /* */ |
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55 /* Purpose: Core of Trace task. */ |
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56 /* */ |
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57 /* Input Parameters: */ |
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58 /* None. */ |
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59 /* */ |
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60 /* Output Parameters: */ |
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61 /* None. */ |
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62 /* */ |
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63 /* Global Parameters: */ |
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64 /* None. */ |
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65 /* */ |
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66 /* Note: */ |
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67 /* None. */ |
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68 /* */ |
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69 /********************************************************************************/ |
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70 T_RVM_RETURN rvt_task_core (void) |
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71 { |
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72 UINT16 event = 0; |
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73 UINT32 nb_bytes_sent = 0; |
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74 |
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75 #ifdef FRAMING_PROTOCOL |
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76 |
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77 // Request for the level of filtering, as well as the 32-bit |
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78 // mask related to the software entities to be monitored. |
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79 { |
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80 UINT8 trace_level_request[] = {RVM_INVALID_USE_ID, 0, 0, 0, 0, (RV_TRACE_LEVEL_ERROR - 1), 0, 0, 0, 0}; |
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81 |
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82 // Note that the level is defined as invalid |
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83 trace_level_request[0] = (char) rv_trace_user_id; |
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84 |
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85 // Transmit an 'empty' message |
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86 nb_bytes_sent = 0; |
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87 while (nb_bytes_sent < sizeof (trace_level_request)) |
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88 { |
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89 nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1, |
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90 trace_level_request + nb_bytes_sent, |
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91 sizeof (trace_level_request) - nb_bytes_sent); |
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92 } |
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93 } |
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94 |
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95 // Start the 'Alive Polling Timer' |
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96 #if (OP_WCP == 0) |
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97 rvf_start_timer (RVF_TIMER_0, |
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98 RVT_ALIVE_POLLING_TIME, |
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99 TRUE); |
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100 #endif |
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101 |
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102 for (; |
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103 ; |
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104 ) |
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105 { |
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106 // Infinite wait on 'Trace Task' mailbox or timer events |
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107 event = rvf_wait ((1 << RVT_TRACE_MAILBOX) | (RVF_TIMER_0_EVT_MASK), |
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108 0); |
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109 |
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110 // Check for some messages lost |
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111 if (((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG) && (p_rvt_lost_msg)) |
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112 { |
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113 INT8 count = 0; |
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114 UINT8 lost_msg_length = RVT_HDR_LENGTH + RVT_LOST_MSG_LENGTH; |
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115 UINT32 lost_msg_cpt = rvt_lost_msg_cpt.overall_value; |
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116 |
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117 // Append with the number of messages lost |
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118 rvt_lost_msg_cpt.overall_value = 0; |
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119 for (count = 0; |
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120 count < RVT_HEX_VALUE_LENGTH; |
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121 count++) |
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122 { |
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123 p_rvt_lost_msg[lost_msg_length + count] = Num2Char[(UINT8) ((lost_msg_cpt << (count << 2)) >> 28)]; |
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124 } |
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125 lost_msg_length += RVT_HEX_VALUE_LENGTH; |
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126 |
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127 // Send message to the UART with byte stuffing |
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128 nb_bytes_sent = 0; |
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129 while (nb_bytes_sent < lost_msg_length) |
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130 { |
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131 nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1, |
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132 (UINT8 *) p_rvt_lost_msg + nb_bytes_sent, |
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133 lost_msg_length - nb_bytes_sent); |
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134 } |
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135 |
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136 } // End of if ((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG) |
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137 |
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138 if (event & EVENT_MASK (RVT_TRACE_MAILBOX)) |
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139 { |
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140 T_RV_HDR *msg = NULL; |
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141 |
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142 // Read the message from the mailbox |
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143 if ((msg = (T_RV_HDR *) rvf_read_mbox (RVT_TRACE_MAILBOX)) != NULL) |
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144 { |
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145 if (msg->msg_id == RVT_TRACE_RQST_ID) |
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146 { |
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147 UINT8 msg_format = 0; |
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148 UINT32 msg_length = 0; |
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149 |
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150 // Get the length |
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151 msg_length = ((T_RVT_TRACE_RQST *) msg)->msg_length; |
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152 |
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153 // Get the format |
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154 msg_format = ((T_RVT_TRACE_RQST *) msg)->format; |
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155 |
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156 // Copy the 'User ID' |
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157 ((UINT8 *) msg + RVT_HEADER_SIZE - 1)[0] = ((T_RVT_TRACE_RQST *) msg)->user_id; |
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158 msg_length++; |
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159 |
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160 switch (msg_format) |
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161 { |
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162 case RVT_ASCII_FORMAT: |
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163 { |
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164 // Send message to the UART without byte stuffing |
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165 nb_bytes_sent = 0; |
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166 while (nb_bytes_sent < msg_length) |
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167 { |
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168 nb_bytes_sent += SER_tr_EncapsulateNChars (SER_LAYER_1, |
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169 (char *) msg + RVT_HEADER_SIZE - 1 + nb_bytes_sent, |
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170 msg_length - nb_bytes_sent); |
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171 } |
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172 break; |
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173 } |
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174 case RVT_BINARY_FORMAT: |
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175 { |
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176 // Send message to the UART with byte stuffing |
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177 nb_bytes_sent = 0; |
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178 while (nb_bytes_sent < msg_length) |
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179 { |
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180 nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1, |
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181 (UINT8 *) msg + RVT_HEADER_SIZE - 1 + nb_bytes_sent, |
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182 msg_length - nb_bytes_sent); |
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183 } |
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184 break; |
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185 } |
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186 default: |
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187 { |
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188 // Increment the number of messages lost. |
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189 // Is the buffer corrupted? |
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190 (rvt_lost_msg_cpt.bit_mask).count++; |
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191 (rvt_lost_msg_cpt.bit_mask).unknown_format = 1; |
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192 break; |
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193 } |
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194 } |
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195 |
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196 // Deallocate the buffer |
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197 rvf_free_buf (msg); |
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198 |
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199 } // End of if (msg->msg_id == RVT_TRACE_RQST_ID) |
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200 |
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201 else |
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202 { |
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203 // Increment the number of messages lost. Is the buffer |
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204 // corrupted? |
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205 (rvt_lost_msg_cpt.bit_mask).count++; |
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206 (rvt_lost_msg_cpt.bit_mask).unknown_request = 1; |
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207 } |
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208 |
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209 } // End of if (msg != NULL) |
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210 |
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211 else |
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212 { |
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213 // Increment the number of messages lost. Is the buffer |
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214 // corrupted? |
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215 (rvt_lost_msg_cpt.bit_mask).count++; |
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216 (rvt_lost_msg_cpt.bit_mask).message_empty = 1; |
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217 } |
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218 |
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219 } // End of if (event & EVENT_MASK (RVT_TRACE_MAILBOX)) |
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220 |
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221 if ((event & (RVF_TIMER_0_EVT_MASK)) && (p_rvt_sys_time)) |
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222 { |
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223 UINT8 count = 0; |
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224 UINT8 sys_time_length = RVT_HDR_LENGTH + RVT_SYS_TIME_LENGTH; |
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225 UINT32 current_time = rvf_get_tick_count (); |
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226 |
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227 // Append with the system time |
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228 for (count = 0; |
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229 count < RVT_HEX_VALUE_LENGTH; |
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230 count++) |
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231 { |
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232 p_rvt_sys_time[sys_time_length + count] = Num2Char[(UINT8) ((current_time << (count << 2)) >> 28)]; |
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233 } |
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234 sys_time_length += RVT_HEX_VALUE_LENGTH; |
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235 |
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236 // Send message to the UART with byte stuffing |
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237 nb_bytes_sent = 0; |
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238 while (nb_bytes_sent < sys_time_length) |
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239 { |
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240 nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1, |
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241 (UINT8 *) p_rvt_sys_time + nb_bytes_sent, |
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242 sys_time_length - nb_bytes_sent); |
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243 } |
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244 |
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245 } // End of if (event & (RVF_TIMER_0_EVT_MASK)) |
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246 } |
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247 #else |
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248 |
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249 // Start the 'Alive Polling Timer' |
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250 #if (OP_WCP == 0) |
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251 rvf_start_timer (RVF_TIMER_0, |
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252 RVT_ALIVE_POLLING_TIME, |
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253 TRUE); |
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254 #endif |
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255 |
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256 for (; |
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257 ; |
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258 ) |
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259 { |
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260 // Infinite wait on 'Trace Task' mailbox or timer events |
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261 event = rvf_wait ((1 << RVT_TRACE_MAILBOX) | (RVF_TIMER_0_EVT_MASK), |
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262 0); |
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263 |
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264 // Check for some messages lost |
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265 if (((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG) && (p_rvt_lost_msg)) |
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266 { |
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267 INT8 count = 0; |
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268 UINT8 lost_msg_length = RVT_LOST_MSG_LENGTH; |
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269 UINT32 lost_msg_cpt = rvt_lost_msg_cpt.overall_value; |
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270 |
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271 // Append with the number of messages lost |
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272 rvt_lost_msg_cpt.overall_value = 0; |
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273 for (count = 0; |
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274 count < RVT_HEX_VALUE_LENGTH; |
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275 count ++) |
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276 { |
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277 p_rvt_lost_msg[lost_msg_length + count] = Num2Char[(UINT8) ((lost_msg_cpt << (count << 2)) >> 28)]; |
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278 } |
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279 rvt_lost_msg_length += RVT_HEX_VALUE_LENGTH; |
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280 |
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281 // Append with the '\n' and '\r' characters for the hyper terminal |
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282 p_rvt_lost_msg[lost_msg_length++] = '\n'; |
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283 p_rvt_lost_msg[lost_msg_length++] = '\r'; |
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284 |
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285 // Send the message to the UART without byte stuffing |
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286 nb_bytes_sent = 0; |
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287 while (nb_bytes_sent < lost_msg_length) |
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288 { |
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289 nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1, |
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290 (UINT8 *) p_rvt_lost_msg + nb_bytes_sent, |
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291 lost_msg_length - nb_bytes_sent); |
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292 } |
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293 |
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294 } // End of if ((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG) |
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295 |
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296 if (event & EVENT_MASK (RVT_TRACE_MAILBOX)) |
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297 { |
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298 T_RV_HDR *msg = NULL; |
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299 |
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300 // Read the message from the mailbox |
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301 if ((msg = (T_RV_HDR *) rvf_read_mbox (RVT_TRACE_MAILBOX)) != NULL) |
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302 { |
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303 if (msg->msg_id == RVT_TRACE_RQST_ID) |
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304 { |
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305 UINT32 msg_length = 0; |
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306 |
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307 // Get the length |
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308 msg_length = ((T_RVT_TRACE_RQST *) msg)->msg_length; |
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309 |
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310 // Send message to the UART without byte stuffing |
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311 nb_bytes_sent = 0; |
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312 while (nb_bytes_sent < msg_length) |
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313 { |
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314 nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1, |
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315 msg + RVT_HEADER_SIZE + nb_bytes_sent, |
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316 msg_length - nb_bytes_sent); |
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317 } |
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318 |
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319 // Append with the '\n' and '\r' characters for the hyper terminal |
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320 msg_length = 0; |
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321 msg[msg_length++] = '\n'; |
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322 msg[msg_length++] = '\r'; |
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323 |
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324 // Send message to the UART without byte stuffing |
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325 nb_bytes_sent = 0; |
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326 while (nb_bytes_sent < msg_length) |
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327 { |
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328 nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1, |
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329 msg + nb_bytes_sent, |
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330 msg_length - nb_bytes_sent); |
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331 } |
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332 |
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333 // Deallocate the buffer |
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334 rvf_free_buf (msg); |
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335 |
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336 } // End of if (msg->msg_id == RVT_TRACE_RQST_ID) |
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337 |
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338 else |
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339 { |
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340 // Increment the number of messages lost. Is the buffer |
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341 // corrupted? |
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342 (rvt_lost_msg_cpt.bit_mask).count++; |
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343 (rvt_lost_msg_cpt.bit_mask).unknown_request = 1; |
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344 } |
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345 |
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346 } // End of if (msg != NULL) |
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347 |
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348 else |
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349 { |
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350 // Increment the number of messages lost. Is the buffer |
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351 // corrupted? |
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352 (rvt_lost_msg_cpt.bit_mask).count++; |
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353 (rvt_lost_msg_cpt.bit_mask).message_empty = 1; |
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354 } |
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355 |
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356 } // End of if (event & EVENT_MASK (RVT_TRACE_MAILBOX)) |
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357 |
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358 if ((event & (RVF_TIMER_0_EVT_MASK)) && (p_rvt_sys_time)) |
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359 { |
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360 UINT8 count = 0; |
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361 UINT8 sys_time_length = RVT_SYS_TIME_LENGTH; |
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362 UINT32 current_time = rvf_get_tick_count (); |
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363 |
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364 // Append with the system time |
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365 for (count = 0; |
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366 count < RVT_HEX_VALUE_LENGTH; |
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367 count++) |
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368 { |
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369 p_rvt_sys_time[sys_time_length + count] = Num2Char[(UINT8) ((current_time << (count << 2)) >> 28)]; |
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370 } |
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371 sys_time_length += RVT_HEX_VALUE_LENGTH; |
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372 |
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373 // Append with the '\n' and '\r' characters for the hyper terminal |
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374 p_rvt_sys_time[sys_time_length++] = '\n'; |
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375 p_rvt_sys_time[sys_time_length++] = '\r'; |
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376 |
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377 // Send message to the UART without byte stuffing |
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378 nb_bytes_sent = 0; |
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379 while (nb_bytes_sent < sys_time_length) |
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380 { |
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381 nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1, |
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382 (UINT8 *) p_rvt_sys_time + nb_bytes_sent, |
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383 sys_time_length - nb_bytes_sent); |
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384 } |
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385 |
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386 } // End of if (event & (RVF_TIMER_0_EVT_MASK)) |
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387 } |
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388 #endif |
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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 /* Function Name: rvt_RX_process */ |
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395 /* */ |
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396 /* Purpose: This function is called when characters are received */ |
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397 /* on the serial port on receive HISR. */ |
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398 /* */ |
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399 /* Input Parameters: */ |
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400 /* None. */ |
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401 /* */ |
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402 /* Output Parameters: */ |
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403 /* None. */ |
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404 /* */ |
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405 /* Global Parameters: */ |
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406 /* None. */ |
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407 /* */ |
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408 /* Note: */ |
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409 /* None. */ |
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410 /* */ |
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411 /********************************************************************************/ |
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412 void rvt_RX_process (void) |
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413 { |
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414 UINT32 bytesRead; |
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415 static UINT8 inBuffer[255]; |
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416 |
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417 #ifdef FRAMING_PROTOCOL |
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418 BOOL eof = 0; |
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419 static UINT8 rcv_state = RVT_WAIT_FOR_HEADER; |
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420 static UINT32 total_bytesRead = 0; |
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421 static RVT_CALLBACK_FUNC rx_callback_func = NULL; |
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422 |
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423 // Get all bytes from the UART RX FIFO |
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424 for (; |
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425 ; |
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426 ) |
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427 { |
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428 // Read and destuff the UART RX FIFO and fill inBuffer with received |
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429 // bytes |
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430 bytesRead = SER_tr_ReadNBytes (SER_LAYER_1, |
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431 (char *) (inBuffer + total_bytesRead), |
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432 sizeof (inBuffer) - total_bytesRead, |
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433 &eof); |
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434 |
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435 // Check for the header. Hence, get the sendee |
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436 if ((rcv_state == RVT_WAIT_FOR_HEADER) && \ |
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437 (bytesRead) && \ |
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438 !(total_bytesRead)) |
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439 { |
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440 if ((inBuffer[0] >= RVT_RV_HEADER) && |
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441 (inBuffer[0] <= RVT_EXTUI_HEADER)) |
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442 { |
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443 UINT8 idtab = 0; |
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444 |
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445 // Search for the ID in the table |
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446 for (idtab = 0; |
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447 rvt_user_db[idtab].user_id != RVT_INVALID_HEADER; |
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448 idtab++) |
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449 { |
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450 if (rvt_user_db[idtab].user_id == inBuffer[0]) |
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451 { |
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452 rx_callback_func = rvt_user_db[idtab].rx_callback_func; |
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453 break; |
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454 } |
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455 } |
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456 rcv_state = RVT_WAIT_FOR_DATA; |
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457 } |
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458 } |
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459 |
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460 // Update the total number of bytes read, regarding the current frame |
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461 total_bytesRead += bytesRead; |
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462 |
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463 // Call the corresponding callback function when a complete message is |
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464 // received (eof odd) |
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465 if (eof & 0x01) |
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466 { |
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467 // Invoke the callback function |
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468 if (rx_callback_func != NULL) |
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469 { |
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470 rx_callback_func ((T_RVT_BUFFER) (inBuffer + 1), |
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471 total_bytesRead - 1); |
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472 rx_callback_func = NULL; |
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473 } |
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474 |
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475 // Wait for the next frame to come |
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476 rcv_state = RVT_WAIT_FOR_HEADER; |
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477 total_bytesRead = 0; |
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478 } |
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479 |
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480 // inBuffer may be full due to some synchro lost problems |
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481 else if (total_bytesRead == sizeof (inBuffer)) |
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482 { |
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483 // If still waiting for the header, discard received characters and |
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484 // reset static variables for the next frame to come |
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485 if (rcv_state == RVT_WAIT_FOR_HEADER) |
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486 { |
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487 total_bytesRead = 0; |
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488 break; |
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489 } |
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490 |
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491 // Just discard characters received as payload |
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492 total_bytesRead = sizeof (inBuffer[0]); |
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493 } |
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494 |
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495 // Proceed with the next concatenated frame whether more bytes left |
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496 if (eof > 1) |
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497 { |
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498 continue; |
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499 } |
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500 break; |
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501 } |
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502 #else |
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503 |
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504 // Read the UART RX FIFO and fill inBuffer with received bytes |
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505 bytesRead = SER_tr_ReadNChars (SER_LAYER_1, |
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506 (char *) inBuffer, |
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507 sizeof (inBuffer)); |
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508 |
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509 // Invoke the Testmode callback function : this is the only one able, |
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510 // for the moment, to send an external command !! WARNING : This |
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511 // should be the same name than the one already registered in |
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512 // create_RVtasks.c. |
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513 tm_receive ((T_RVT_BUFFER) inBuffer, |
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514 bytesRead); |
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515 #endif |
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516 } |
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517 |
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518 |
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|
519 |
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520 /********************************************************************************/ |
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521 /* */ |
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522 /* Function Name: rvt_activate_RX_HISR */ |
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523 /* */ |
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524 /* Purpose: This function is called when an RX interrupt occurs. */ |
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525 /* */ |
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526 /* Input Parameters: */ |
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527 /* None. */ |
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528 /* */ |
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529 /* Output Parameters: */ |
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530 /* None. */ |
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531 /* */ |
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532 /* Global Parameters: */ |
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533 /* None. */ |
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534 /* */ |
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535 /* Note: */ |
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536 /* None. */ |
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537 /* */ |
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538 /********************************************************************************/ |
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539 void rvt_activate_RX_HISR (void) |
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540 { |
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541 NU_Activate_HISR (&TI_rcv_HISR); |
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542 } |