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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 945cf7f506b2
children
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/*******************************************************************************
*
* File Name : atp_gsm_gsm_api.c
*
* This file contains dummy definition of all functions called by the ATP-GSM plug-in.
* These functions must be provided by CONDAT with their PS
*
*
* Version number	: 0.1      Date : 19-Dec-2001
*
* History			: 0.1  - Created 
*
* Author			: 
*
*   (C) Copyright 2001 by Texas Instruments Incorporated 
*****************************************************************************/

#ifdef _WINDOWS
// In this case, no GSM PS
// So need to define these dummy functions

#include "rv/rv_general.h"
#include "atp/atp_gsm_bt_api.h"
#include "atp/bti_at.h"

#if ( ((ATP_REGR != SW_COMPILED) && (ATP_MISC != SW_COMPILED))  )

/* functions define in GSM side and called by BT side */
void bti_at_init_cnf(T_BTI_ACK ack)
{

}

void bti_at_deinit_ind(void)
{
}
 
void bti_at_open_port_ind(T_BTI_PORT_NB gsm_port_nb,T_BTI_BT_PORT_INFO bt_custom_info)
{

}

void bti_at_close_port_ind(T_BTI_PORT_NB gsm_port_nb)
{
}
void bti_at_cmd_ind(T_BTI_PORT_NB gsm_port_nb,char * cmd)
{
}
void bti_at_cmd_cnf(T_BTI_PORT_NB gsm_port_nb)
{
}
void bti_at_abort_ind(T_BTI_PORT_NB gsm_port_nb)
{
}
void bti_data_ready_ind(T_BTI_PORT_NB port_nb,unsigned long nb_of_data)
{
}
void bti_get_gsm_data(T_BTI_PORT_NB port_nb,char * buffer, unsigned long nb_of_data)
{
}
void bti_data_ready_cnf(T_BTI_PORT_NB port_nb)
{
}

#endif

#endif