annotate src/g23m-aci/gdd_dio/gdd_dio_dtxf.c @ 75:8697f358f505

backlight rework: Condat light driver accepts levels The present change is another intermediate step on the path toward new FreeCalypso backlight handling. At this intermediate step the Condat light driver accepts 0-255 backlight levels driven by MFW, and puts them out on PWL on Luna development boards. At the same time on C139 it is now possible to turn on the display backlight with or without the keypad bl - the lsb of the 0-255 backlight level controls the keypad bl. MFW presently drives only 0 and 255 backlight levels, thus there is no visible behavioral change yet - but the plan for subsequent stages of this backlight rework is to add a dimmed backlight state (no keypad bl on C139) during active calls.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 20:44:04 +0000
parents fa8dc04885d8
children
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1
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | File : gdd_dio_txf.c
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4 +-----------------------------------------------------------------------------
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5 | Copyright 2002 Texas Instruments Berlin, AG
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6 | All rights reserved.
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7 |
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8 | This file is confidential and a trade secret of Texas
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9 | Instruments Berlin, AG
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Texas Instruments Berlin, AG.
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15 +-----------------------------------------------------------------------------
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16 | Purpose : This modul is part of the entity gdd_dio and implements the
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17 | dtx service functions.
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18 +-----------------------------------------------------------------------------
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19 */
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20
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21
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22 #define ENTITY_GDD_DIO
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23
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24 /*==== INCLUDES =============================================================*/
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25
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26 #include "typedefs.h" /* to get Condat data types */
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27 #include "vsi.h" /* to get a lot of macros */
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28
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29 /* GDD stuff */
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30 #include "gdd_dio.h" /* to get the global entity definitions */
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31 #include "gdd_dio_con_mgr.h"
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32
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33 #include "gdd_dio_dtxf.h"
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34 #include "gdd_dio_rxf.h"
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35 #include "gdd_dio_drxf.h" /* Needed for allocate_gdd_desc_list() etc */
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36
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37 #include "gdd_dio_queue.h"
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38
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39 /*==== CONST ================================================================*/
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40
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41 /*==== LOCAL VARS ===========================================================*/
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42
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43 /*==== PRIVATE FUNCTIONS ====================================================*/
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44
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45 /*==== PUBLIC FUNCTIONS =====================================================*/
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46
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47
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48 GLOBAL GDD_RESULT gdd_dio_dtx_get_send_buffer
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49 (
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50 T_GDD_CON_HANDLE con_handle,
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51 T_GDD_BUF ** send_buf,
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52 U16 data_size
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53 )
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54 {
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55 T_GDD_INST_ID inst;
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56 T_GDD_DIO_DATA * gdd_dio_data;
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57 T_GDD_DIO_CON_DATA * con_data;
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58 T_dio_buffer * dio_buf;
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59
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60 TRACE_USER_CLASS(TC_FUNC_DATA_FLOW, "[GDD] gdd_dio_dtx_get_send_buffer()");
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61
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62 inst = (T_GDD_INST_ID)inst_num_from_dev_id(con_handle);
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63
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64 /**
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65 * Do the necessary checks.
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66 */
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67 if(inst < 0)
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68 {
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69 TRACE_ERROR("[GDD] Invalid connection handle");
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70 return GDD_INVALID_PARAMS;
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71 }
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72
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73 if(inst >= GDD_NUM_INSTS)
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74 {
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75 TRACE_ERROR("[GDD] inst id out of bounds");
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76 return GDD_INTERNAL_ERROR;
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77 }
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78 gdd_dio_data = &gdd_dio_data_base[inst];
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79
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80 if(gdd_dio_init_flag[inst] EQ FALSE)
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81 {
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82 TRACE_ERROR("[GDD] Instance not initialized");
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83 return GDD_INVALID_PARAMS;
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84 }
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85
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86 if (gdd_dio_data->ker.state NEQ GDD_DIO_KER_READY)
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87 {
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88 TRACE_ERROR("[GDD] DIO driver not initialized");
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89 return GDD_INTERNAL_ERROR;
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90 }
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91
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92 con_data = get_con_data(gdd_dio_data, con_handle);
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93 if(con_data EQ NULL)
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94 {
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95 TRACE_ERROR("[GDD] Invalid connection handle");
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96 return GDD_INVALID_PARAMS;
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97 }
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98
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99 if(data_size EQ 0 || data_size > con_data->dio_cap.mtu_data)
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100 {
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101 TRACE_ERROR("[GDD] requested data_size (MTU size) out of range");
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102 return GDD_INVALID_PARAMS;
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103 }
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104
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105 if( con_data->con_state EQ GDD_DIO_CON_CONNECT ||
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106 con_data->con_state EQ GDD_DIO_CON_SENDING ||
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107 gdd_dio_queue_peek_next_for_dequeue(&con_data->rx_queue, &dio_buf) EQ FALSE)
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108 {
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109 /* Set the flag indicating the somebody (the client) is waiting for a send
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110 buffer. As a consequence, the signal GDD_SIGTYPE_SEND_BUF_AVAILABLE
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111 will be sent as soon as we receive a new RX buffer from PSI. */
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112 char * reason;
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113 if(con_data->con_state EQ GDD_DIO_CON_CONNECT)
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114 reason = "con_state=GDD_DIO_CON_CONNECT";
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115 else if(con_data->con_state EQ GDD_DIO_CON_SENDING)
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116 reason = "con_state=GDD_DIO_CON_SENDING";
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117 else
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118 reason = "no buffer available in RX queue";
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119
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120 con_data->wait_send_buf = TRUE;
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121
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122 TRACE_EVENT_P2("[GDD] Cannot return buffer [con_handle=0x%4x: %s]",
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123 con_handle, reason);
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124
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125 return GDD_NO_BUF_AVAILABLE;
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126 }
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127 else
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128 {
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129 /* Make sure that buffer can hold what is requested.
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130 We must take into account that the first 2-byte segment holding
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 the protocol ID which is not part of the pay-load */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 if(data_size > (dio_buf->length-2))
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 TRACE_ERROR("[GDD] Requested buffer size too large");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 return GDD_REQ_BUF_TOO_LARGE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 else
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 /* Setup current descriptor list and pass it back to the client */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 (*send_buf) = (T_GDD_BUF *)dio_buf;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 con_data->con_state = GDD_DIO_CON_SENDING;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 return GDD_OK;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 GLOBAL GDD_RESULT gdd_dio_dtx_send_buffer(T_GDD_CON_HANDLE con_handle, T_GDD_BUF * buf)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 #ifdef GDD_MAKE_DTX_CONTEXT_SWITCH
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 U32 signal = GDD_DIO_SIGNAL_SEND_DATA | (U32)con_handle;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 #endif /* GDD_MAKE_DTX_CONTEXT_SWITCH */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 T_GDD_INST_ID inst;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 T_GDD_DIO_DATA * gdd_dio_data;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 T_GDD_DIO_CON_DATA * con_data;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 T_dio_buffer * dio_buf;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 TRACE_USER_CLASS(TC_FUNC_DATA_FLOW, "[GDD] gdd_dio_dtx_send_buffer()");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 inst = (T_GDD_INST_ID)inst_num_from_dev_id(con_handle);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 /**
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 * Do the necessary checks.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 if(inst < 0)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 TRACE_ERROR("[GDD] Invalid connection handle");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 return GDD_INVALID_PARAMS;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 else if(inst >= GDD_NUM_INSTS)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 TRACE_ERROR("[GDD] inst id out of bounds");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 return GDD_INTERNAL_ERROR;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 gdd_dio_data = &gdd_dio_data_base[inst];
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 if(gdd_dio_init_flag[inst] EQ FALSE)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 TRACE_ERROR("[GDD] Instance not initialized");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 return GDD_ALREADY_INITIALIZED;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 if (gdd_dio_data->ker.state NEQ GDD_DIO_KER_READY)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 TRACE_ERROR("[GDD] DIO driver not initialized");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 return GDD_INTERNAL_ERROR;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 con_data = get_con_data(gdd_dio_data, con_handle);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 if(con_data EQ NULL)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 TRACE_ERROR("[GDD] Invalid connection handle");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return GDD_INVALID_PARAMS;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 /* The pointer which is next for dequeue must be the one which
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 corresponds to the buffer for sending ! */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 if(gdd_dio_queue_peek_next_for_dequeue(&con_data->rx_queue, &dio_buf) EQ FALSE)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 return GDD_INTERNAL_ERROR;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 #ifdef GDD_MAKE_DTX_CONTEXT_SWITCH
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 #ifdef MEMORY_SUPERVISION
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 vsi_c_ssend(hCommGDD_DIO, signal, (T_VOID_STRUCT*)dio_buf, sizeof(T_VOID_STRUCT*), __FILE__, __LINE__);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 #else
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 vsi_c_ssend(hCommGDD_DIO, signal, (T_VOID_STRUCT*)dio_buf, sizeof(T_VOID_STRUCT*));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 #endif
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 return GDD_OK;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 #else /* GDD_MAKE_DTX_CONTEXT_SWITCH */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 /* Call the corresponding RX function directly instead of sending signal */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 gdd_dio_rx_sig_send_data(con_handle, dio_buf);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 return GDD_OK;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 #endif /* GDD_MAKE_DTX_CONTEXT_SWITCH */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219