FreeCalypso > hg > fc-tourmaline

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

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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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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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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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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 }