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view src/aci2/aci/cmh_snd.h @ 629:3231dd9b38c1

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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 93999a60b835
children
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/* 
+----------------------------------------------------------------------------- 
|  Project :  
|  Modul   :  
+----------------------------------------------------------------------------- 
|  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 :  Definitions for the protocol stack adapter 
|             SNDCP.
+----------------------------------------------------------------------------- 
*/ 

#ifdef GPRS

#ifndef CMH_SND_H
#define CMH_SND_H


typedef struct
{
  UBYTE         srcId;
} T_SNDCP_SHRD_PRM;


EXTERN BOOL NULL_SNDCP_connect_dti_cb(UBYTE dti_id, T_DTI_CONN_STATE result_type);
EXTERN BOOL PKTIO_SNDCP_connect_dti_cb(UBYTE dti_id, T_DTI_CONN_STATE result_type);

#ifdef CO_UDP_IP
EXTERN BOOL IP_SNDCP_connect_dti_cb(UBYTE dti_id, T_DTI_CONN_STATE result_type);
#endif

#ifdef FF_GPF_TCPIP
EXTERN BOOL TCPIP_SNDCP_connect_dti_cb(UBYTE dti_id,
                                       T_DTI_CONN_STATE result_type) ;
#endif  /* FF_GPF_TCPIP */
/*==== EXPORT =====================================================*/
#ifdef CMH_SNDS_C

GLOBAL T_SNDCP_SHRD_PRM sndcpShrdPrm;
#else

EXTERN T_SNDCP_SHRD_PRM sndcpShrdPrm;
#endif /* CMH_SNDS_C */


#endif /* CMH_SND_H */
                 
#endif  /* GPRS */
/*==== EOF =======================================================*/