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annotate src/g23m-gprs/gmm/gmm_syncs.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 219afcfc6250
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GPRS (8441)
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4 | Modul : gmm_syncs.c
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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 : This modul is part of the entity GMM and implements all
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18 | functions to handles the incoming process internal signals as
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19 | described in the SDL-documentation (SYNC-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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24 #ifndef GMM_SYNCS_C
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25 #define GMM_SYNCS_C
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26 #endif
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28 #define ENTITY_GMM
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30 /*==== INCLUDES =============================================================*/
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31
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32 #include "typedefs.h" /* to get Condat data types */
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33 #include "vsi.h" /* to get a lot of macros */
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34 #include "macdef.h"
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35 #include "gprs.h"
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36 #include "gsm.h" /* to get a lot of macros */
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37 #include "ccdapi.h" /* to get CCD API */
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38 #include "cnf_gmm.h" /* to get cnf-definitions */
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39 #include "mon_gmm.h" /* to get mon-definitions */
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40 #include "prim.h" /* to get the definitions of used SAP and directions */
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41 #include "gmm.h" /* to get the global entity definitions */
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42 #include "gmm_syncs.h"
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43
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44 /*==== CONST ================================================================*/
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46 /*==== LOCAL VARS ===========================================================*/
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48 /*==== PRIVATE FUNCTIONS ====================================================*/
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49
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50 /*==== PUBLIC FUNCTIONS =====================================================*/
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53
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54 /*
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55 +------------------------------------------------------------------------------
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56 | Function : sig_kern_sync_set_mm_state ( mm_state );
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57 +------------------------------------------------------------------------------
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58 | Description : Handles the internal signal sig_kern_sync_set_mm_state
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59 |
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60 | Parameters : mm_state - state of MM
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61 |
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62 +------------------------------------------------------------------------------
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63 */
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64 GLOBAL void sig_kern_sync_set_mm_state ( U8 mm_status )
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65 {
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66 gmm_data->sync.mm_cell_info.status = mm_status;
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67 } /* sig_kern_rdy_force_ie_req() */
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68