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view cdg3/fflags-locosto.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 c15047b3d00d
children
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/* 
+----------------------------------------------------------------------------- 
|  Project :  
|  Modul   :  fflags.h
+----------------------------------------------------------------------------- 
|  Copyright 2003 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 :  Define valid and invalid versions for a product release
|             include file for CCDGEN, e.g.:
|      ccdgen -h -m512 -a2 -$(ff_path)/fflags.h -o$(cdgincdir) -R$(cmdFile)
+----------------------------------------------------------------------------- 
*/
#define FF_PS_RSSI
#define SIM_PERS
#define FF_PHONE_LOCK
#define TI_PS_FF_AT_CMD_P_ECC
#define TI_PS_FF_REL99_AND_ABOVE
#undef  TI_DUAL_MODE
#define REL99
#define FF_BHO
#define TI_PS_FF_EMR
#define TI_PS_FF_RTD
#undef  FF_EGPRS
#undef  REL4
#define TI_PS_FF_TBF_EST_PACCH
#define TI_PS_FF_QUAD_BAND_SUPPORT