FreeCalypso > hg > fc-magnetite
view src/g23m-aci/bat/bat_ctrl.h @ 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-F&D (8411) | Modul : ACI +----------------------------------------------------------------------------- | 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 Modul holds the functions | for the binary AT command library at APPlication side +----------------------------------------------------------------------------- */ #ifndef BAT_CTRL_H #define BAT_CTRL_H /********************************************************************************* * * enums * *********************************************************************************/ typedef enum { BATC_MAX_CLIENTS = 0x8000,/*bit 15 is 1 */ BATC_OPEN_CLIENT, BATC_CLOSE_CLIENT, BATC_ABORT_CMD } T_BATC_ctrl_params; typedef enum { BATC_MAX_CLIENTS_CNF = 0x8000, /* bit 15 is 1 */ BATC_MAX_CLIENTS_REJ, BATC_OPEN_CLIENT_CNF, BATC_OPEN_CLIENT_REJ, BATC_ABORT_COMMAND_CNF, BATC_ABORT_COMMAND_REJ } T_BATC_rsp_param; /********************************************************************************* * * structures * *********************************************************************************/ typedef struct { U32 batc_dummy; } T_BATC_no_parameter; /* actually never used */ typedef struct { U32 num_clients; } T_BATC_max_clients; /* max number of clients of an instance */ typedef struct { U32 client_id; } T_BATC_open_client; /* client to open */ typedef struct { U32 client_id; } T_BATC_close_client; /* client to close */ typedef struct { U32 client_id; } T_BATC_abort_cmd; /* client which runs the cmd */ typedef union { T_BATC_max_clients *ptr_max_clients; T_BATC_open_client *ptr_open_client; T_BATC_close_client *ptr_close_client; T_BATC_abort_cmd *ptr_abort_cmd; } T_BATC_params; typedef union { T_BATC_open_client *ptr_bat_open_client_cnf; /* confirmation from BAT to BAT Lib */ T_BATC_abort_cmd *ptr_bat_abort_command_cnf; /* confirmation from BAT to BAT Lib */ } T_BATC_rsp; typedef struct { T_BATC_ctrl_params ctrl_params; T_BATC_params params; }T_BATC_signal; typedef struct { T_BATC_rsp_param rsp_params; T_BATC_rsp rsp; }T_BATC_confirm; #endif /* BAT_CTRL_H */