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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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;********************************************************************************
;*** File           : mnlc.pdf
;*** Creation       : Wed Mar 11 09:58:25 CST 2009
;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1
;*** Copyright      : (c) Texas Instruments AG, Berlin Germany 2002
;********************************************************************************
;*** Document Type  : Service Access Point Specification
;*** Document Name  : mnlc
;*** Document No.   : 8443.104.02.003
;*** Document Date  : 2002-10-25
;*** Document Status: SUBMITTED
;*** Document Author: TML
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:48:12 2007"
PRAGMA 	LAST_MODIFIED 	"2002-10-25"
PRAGMA 	ID_AND_VERSION 	"8443.104.02.003"



CONST 	L_MAX_CALLED_BCD_NO_LENGTH 	10 	; Max Bcd number length (digits)
CONST 	CURSOR_SMS_TEXT_140 	140 	; Position SMS Message



VALTAB 	VAL_data_valid
VAL 	0 	DATA_VALID 	""
VAL 	1 	DATA_INVALID 	""




VAR 	reference 	"Reference" 	S


VAR 	bcd 	"Bcd Number" 	B


VAR 	data_valid 	"Cursor Data Valid" 	B

VAL 	@p_mnlc - VAL_data_valid@ 	

VAR 	number_length 	"Number of decimal digits in the Bcd number" 	B


VAR 	sms_text 	"SMS text" 	B





COMP 	called_party_bcd_num 	 "called Party Bcd number"
{
 	number_length 	 ; Number Length
 	bcd 	[L_MAX_CALLED_BCD_NO_LENGTH] 	 ; Bcd Number
}






; MNLC_SMS_MEAS_REQ 	0x80000044
; MNLC_SMS_MEAS_CNF 	0x80004044



PRIM 	MNLC_SMS_MEAS_REQ 	0x80000044
{
 	reference 	 ; Reference SMS request
 	called_party_bcd_num 	 ; Called Bcd Number
}






PRIM 	MNLC_SMS_MEAS_CNF 	0x80004044
{
 	reference 	 ; Reference SMS request
 	data_valid 	 ; Cursor Data Valid
 	sms_text 	[CURSOR_SMS_TEXT_140] 	 ; Cursor SMS
}