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annotate src/g23m-aci/gdd_dio/gdd_dio_drxf.c @ 276:4221c724c664

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R2D: preparations for adding LCD hardware suspend handling
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 Sep 2021 21:05:38 +0000
parents fa8dc04885d8
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | File : gdd_dio_drxf.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 | drx 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_data.h" /* to get internal data structures */
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32
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33 #include "gdd_dio_con_mgr.h"
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34 #include "gdd_dio_queue.h"
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35 #include "gdd_dio_drxf.h"
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36 #include "gdd_dio_txf.h"
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37
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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 void gdd_dio_drx_sig_receive_data(T_GDD_CON_HANDLE con_handle, T_dio_buffer * buf)
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49 {
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50 T_GDD_DIO_CON_DATA * con_data;
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51 GDD_RESULT result;
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52
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53 TRACE_FUNCTION("[GDD] gdd_dio_drx_sig_receive_data()");
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54
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55 con_data = get_con_data_from_handle(con_handle);
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56
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57 result = con_data->rcv_cb(con_handle, (T_GDD_BUF *)buf);
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58 if(result EQ GDD_OK)
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59 {
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60 gdd_dio_send_signal_to_dio(con_data, DRV_SIGTYPE_WRITE);
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61 }
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62 else
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63 {
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64 /* Do nothing - the client must come back to use by calling
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65 gdd_signal_ready_rcv. */
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66 }
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67 }
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68
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69 GLOBAL void gdd_dio_drx_ready_to_rcv(T_GDD_CON_HANDLE con_handle)
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70 {
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71 T_GDD_DIO_CON_DATA * con_data;
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72 T_dio_buffer * buf;
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73 GDD_RESULT result;
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74
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75 TRACE_FUNCTION("[GDD] gdd_dio_drx_ready_to_rcv()");
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76
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77 con_data = get_con_data_from_handle(con_handle);
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78
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79 if(gdd_dio_queue_peek_next_for_dequeue(&(con_data->tx_queue), &buf))
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80 {
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81 /* Send data to client */
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82 result = con_data->rcv_cb(con_handle, (T_GDD_BUF *)buf);
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83 if(result EQ GDD_OK)
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84 {
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85 gdd_dio_send_signal_to_dio(con_data, DRV_SIGTYPE_WRITE);
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86 }
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87 else
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88 {
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89 /* Do nothing - the client must come back again later by calling
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90 gdd_signal_ready_rcv. */
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91 }
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92 }
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93 else
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94 {
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95 TRACE_ERROR("[GDD] Failed to peek buffer");
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96 }
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97 }