view src/g23m-aci/aci/cmh_ras.c @ 629:3231dd9b38c1

armio.c: make GPIOs 8 & 13 outputs driving 1 on all "classic" targets Calypso GPIOs 8 & 13 are pinmuxed with MCUEN1 & MCUEN2, respectively, and on powerup these pins are MCUEN, i.e., outputs driving 1. TI's code for C-Sample and earlier turns them into GPIOs configured as outputs also driving 1 - so far, so good - but TI's code for BOARD 41 (which covers D-Sample, Leonardo and all real world Calypso devices derived from the latter) switches them from MCUEN to GPIOs, but then leaves them as inputs. Given that the hardware powerup state of these two pins is outputs driving 1, every Calypso board design MUST be compatible with such driving; typically these GPIO signals will be either unused and unconnected or connected as outputs driving some peripheral. Turning these pins into GPIO inputs will result in floating inputs on every reasonably-wired board, thus I am convinced that this configuration is nothing but a bug on the part of whoever wrote this code at TI. This floating input bug had already been fixed earlier for GTA modem and FCDEV3B targets; the present change makes the fix unconditional for all "classic" targets. The newly affected targets are D-Sample, Leonardo, Tango and GTM900.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 02 Jan 2020 05:38:26 +0000
parents 53929b40109c
children
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/* 
+----------------------------------------------------------------------------- 
|  Project :  GSM-PS (6147)
|  Modul   :  CMH_RAS
+----------------------------------------------------------------------------- 
|  Copyright 2002 Texas Instruments Berlin, AG 
|                 All rights reserved. 
| 
|                 This file is confidential and a trade secret of Texas 
|                 Instruments Berlin, AG 
|                 The receipt of or possession of this file does not convey 
|                 any rights to reproduce or disclose its contents or to 
|                 manufacture, use, or sell anything it may describe, in 
|                 whole, or in part, without the specific written consent of 
|                 Texas Instruments Berlin, AG. 
+----------------------------------------------------------------------------- 
|  Purpose :  This module provides the set functions related to the
|             protocol stack adapter for RA.
+----------------------------------------------------------------------------- 
*/ 

#ifndef CMH_RAS_C
#define CMH_RAS_C
#endif

#include "aci_all.h"
/*==== INCLUDES ===================================================*/
#include "aci_cmh.h"
#include "ati_cmd.h"
#include "aci_cmd.h"

#ifdef FAX_AND_DATA
#include "aci_fd.h"
#endif

#include "aci_io.h"

#include "psa.h"
#include "psa_ra.h"
#include "psa_cc.h"
#include "cmh.h"
#include "cmh_ra.h"

/*==== CONSTANTS ==================================================*/

/*==== EXPORT =====================================================*/

/*==== VARIABLES ==================================================*/

/*==== FUNCTIONS ==================================================*/

/*
+-------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : CMH_RAS                 |
|                                 ROUTINE : cmhRA_Activate          |
+-------------------------------------------------------------------+

  PURPOSE : set all nescessary parameters and activate RA

*/

GLOBAL T_ACI_RETURN cmhRA_Activate ( T_ACI_CMD_SRC srcId,
                                     T_ACI_AT_CMD cmdId,
                                     SHORT cId )
{
  T_RA_SET_PRM * pRASetPrm;  /* points to RA parameter set */
  UBYTE          prmTst;     /* for parameter testing */

  TRACE_FUNCTION ("cmhRA_Activate()");

/*
 *-------------------------------------------------------------------
 * check command source
 *-------------------------------------------------------------------
 */
  if(!cmh_IsVldCmdSrc (srcId))

    return( AT_FAIL );

  pRASetPrm = &raShrdPrm.set_prm[srcId];

/*
 *-------------------------------------------------------------------
 * check entity status
 *-------------------------------------------------------------------
 */
  if( raEntStat.curCmd NEQ AT_CMD_NONE )

    return( AT_BUSY );

/*
 *-------------------------------------------------------------------
 * fill in activate parameters
 *-------------------------------------------------------------------
 */
  pRASetPrm -> model      = prmTst = cmhRA_SelTrfProt( cId );
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );

  pRASetPrm -> tra_rate   = prmTst = (UBYTE)cmhRA_SelChnRate();
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );

  pRASetPrm -> user_rate  = prmTst = cmhRA_SelUsrRate( cId );
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );

  pRASetPrm -> ndb        = prmTst = cmhRA_SelDataBits( cId );
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );

  pRASetPrm -> nsb        = prmTst = cmhRA_SelStopBits( cId );
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );

#ifdef FF_FAX
  pRASetPrm -> bitord     = prmTst = cmhRA_SelBitOrder( srcId );
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );
#endif

  raShrdPrm.cId     = cId;
  raEntStat.curCmd  = cmdId;
  raShrdPrm.owner = (UBYTE)srcId;
  raEntStat.entOwn  = srcId;

  psaRA_Activate();

  return( AT_EXCT );

}

/*
+-------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : CMH_RA                  |
|                                 ROUTINE : cmhRA_Deactivate        |
+-------------------------------------------------------------------+

  PURPOSE : set all nescessary parameters and deactivate RA

*/

GLOBAL T_ACI_RETURN cmhRA_Deactivate ( void )
{
  TRACE_FUNCTION ("cmhRA_Deactivate()");


 /* deactivate */
  psaRA_Deactivate();
  return( AT_EXCT );
}

/*
+-------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : CMH_RA                  |
|                                 ROUTINE : cmhRA_Modify            |
+-------------------------------------------------------------------+

  PURPOSE : set all nescessary parameters and modify RA

*/

GLOBAL T_ACI_RETURN cmhRA_Modify ( T_ACI_CMD_SRC srcId,
                                   SHORT         cId )
{
  T_RA_SET_PRM * pRASetPrm;  /* points to RA parameter set */
  UBYTE          prmTst;     /* for parameter testing */

  TRACE_FUNCTION ("cmhRA_Modify()");

  /* check command source */
  if(!cmh_IsVldCmdSrc (srcId))
  {
    return( AT_FAIL );
  }

  pRASetPrm = &raShrdPrm.set_prm[srcId];


  pRASetPrm -> tra_rate   = prmTst = (UBYTE)cmhRA_SelChnRate();
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );

  pRASetPrm -> user_rate  = prmTst = cmhRA_SelUsrRate( cId );
  if( prmTst EQ NOT_PRESENT_8BIT ) return( AT_FAIL );

  /* modify */
  raShrdPrm.owner = srcId;
  psaRA_Modify();
  return( AT_EXCT );
}

/*
+-------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)    MODULE  : CMH_RAR                      |
|                            ROUTINE : cmhRA_Escape                 |
+-------------------------------------------------------------------+

  PURPOSE : Escape from data mode

*/

GLOBAL T_ACI_RETURN cmhRA_Escape ( void )
{
  T_OWN calOwn;

  TRACE_FUNCTION ("cmhRA_Escape()");

/*
 *-------------------------------------------------------------------
 * return to command mode
 *-------------------------------------------------------------------
 */
/*  io_setIoMode( IO_MODE_CMD, rCI_IoMode ); */

  if (ccShrdPrm.ctb[raShrdPrm.cId] NEQ NULL)
    calOwn = psaCC_ctb(raShrdPrm.cId)->calOwn;
  else
    calOwn = (T_OWN)CMD_SRC_NONE;

  R_AT( RAT_OK, (T_ACI_CMD_SRC)calOwn )
    ( AT_CMD_NONE );

  return(AT_CMPL);
}

/*==== EOF ========================================================*/