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annotate src/condat2/frame/config/gprsdrv.c @ 680:ee3ac8c617cb

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armio.c: set GPIO2 output high initially On TI-canonical platforms GPIO2 is DCD modem control output. In TI's original code the AI_InitIOConfig() function called from Init_Target() would configure GPIO2 as an output and set the initial output value to low, but then the init code in uartfax.c called from Init_Serial_Flows() would immediately change it to high, corresponding to DCD not asserted. The result is a momentary asserted-state glitch on the DCD output. The present change eliminates this glitch, setting DCD output to not-asserted initially like it should be.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Jun 2020 03:17:43 +0000
parents 93999a60b835
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul :
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : Driver Table for GPRS
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18 +-----------------------------------------------------------------------------
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19 */
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21 #ifndef __GPRSDRV_C__
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22 #define __GPRSDRV_C__
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23 #endif
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25 #ifndef _TARGET_
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26 #define NEW_ENTITY
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27 #endif
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29 #ifdef _TARGET_
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30 #ifdef FF_TRACE_OVER_MTST
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31 #define MTST_TRACE
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32 #else
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33 #define TI_TRACE
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34 #endif
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35 #endif
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37 #include "gdi.h"
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38 #include "vsi.h"
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39 #include "pei.h"
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40 #include "gprsconst.h"
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41 #include "frm_defs.h"
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42 #include "frm_types.h"
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44 /*==== TYPES ======================================================*/
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47 /*==== CONSTANTS ==================================================*/
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49 #if defined _TARGET_ && !defined PCON
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50 #define TR_RCV_BUF_SIZE 1024
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51 #else
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52 #define TR_RCV_BUF_SIZE 1024
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53 #endif
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55 #define TR_MAX_IND (TR_RCV_BUF_SIZE-1)
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57 /*==== EXTERNALS ==================================================*/
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59 #ifdef TI_TRACE
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60 extern USHORT TIF_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc,
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61 T_DRV_EXPORT const **DrvInfo );
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62 extern USHORT TR_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc,
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63 T_DRV_EXPORT const **DrvInfo );
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64 extern USHORT TITRC_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc,
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65 T_DRV_EXPORT const **DrvInfo );
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66 #else
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67 extern USHORT TIF_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc,
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68 T_DRV_EXPORT const **DrvInfo );
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69 extern USHORT TR_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc,
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70 T_DRV_EXPORT const **DrvInfo );
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71 extern USHORT SER_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc,
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72 T_DRV_EXPORT const **DrvInfo );
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73 #endif
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74 extern USHORT mux_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc,
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75 T_DRV_EXPORT const **DrvInfo );
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76 /*==== VARIABLES ==================================================*/
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77
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78 ULONG TR_RcvBufferSize = TR_RCV_BUF_SIZE;
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79 ULONG TR_MaxInd = TR_MAX_IND;
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80
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81 const T_DRV_LIST_ENTRY DrvList[] =
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82 {
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83 { NULL, NULL, NULL, NULL },
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84 #ifdef TI_TRACE
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85 { "TIF", TIF_Init, "RCV", NULL },
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86 { "TR", TR_Init, NULL, NULL },
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87 { "TITRC",TITRC_Init, NULL, "" },
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88 #else
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89 #ifdef MTST_TRACE
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90 { "TIF", TIF_Init, "RCV", NULL },
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91 { "TR", TR_Init, NULL, NULL },
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92 { "MUX", mux_Init, NULL, "" },
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93 #else
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94 { "TIF", TIF_Init, "RCV", NULL },
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95 { "TR", TR_Init, NULL, NULL },
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96 { "SER", SER_Init, NULL, "" },
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97 #endif
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98 #endif
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99 { NULL, NULL, NULL, NULL }
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100 };
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101
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102 int vsi_o_trace (char *caller, ULONG tclass, char *text,...)
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103 {
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104 return 0;
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105 }