annotate src/cs/services/atp/atp_spp_api_i.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 945cf7f506b2
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1 /*******************************************************************************
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2 *
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3 * File Name : atp_spp_api_i.h
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4 *
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5 * Internal Definitions for the interface between ATP and SPP SW entity
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6 *
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7 * (C) Texas Instruments, all rights reserved
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8 *
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9 * Version number : 0.1 Date : 16-Marsh-2000
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10 *
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11 * History : 0.1 - Created by E. Baissus
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12 *
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13 *
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14 * Author : Eric Baissus : e-baissus@ti.com
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15 *
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16 * (C) Copyright 2000 by Texas Instruments Incorporated, All Rights Reserved
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17 ******************************************************************************/
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18 #ifndef ATP_SPP_API_I_H
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19 #define ATP_SPP_API_I_H
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22 #include "rv/rv_general.h"
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23 #include "rvf/rvf_api.h"
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24 #include "spp_general.h"
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25 #include "spp_up_interface.h"
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27 // Structure used to store the 'open pending port' information
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30 typedef struct
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31 {
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32 T_ATP_SW_ENTITY_ID initiator_id;
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33 T_ATP_PORT_NB port_nb;
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34 T_SPP_HANDLE handle;
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35 } T_ATP_SPP_PENDING_PORT_INFO;
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38 typedef enum
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39 {
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40 ATP_SPP_IS_IND,
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41 ATP_SPP_IS_CFM
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42 } T_ATP_SPP_IS_IND_OR_CFM;
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45 void atp_spp_to_spp_if_ft(void * message_p);
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46 T_RV_RET atp_spp_open_port_rqst(T_ATP_OPEN_PORT_IND * open_port_ind_p);
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47 T_RV_RET atp_spp_open_port_rsp(void * spp_open_port_rsp_p,T_ATP_SPP_IS_IND_OR_CFM cfm_or_ind);
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48 T_RV_RET atp_spp_port_closed_from_atp(T_ATP_PORT_CLOSED * close_port_p);
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49 T_RV_RET atp_spp_send_to_spp_buffer_nc(T_ATP_NO_COPY_DATA_RDY * atp_no_copy_p);
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50 void atp_spp_from_spp_if_ft(void * message_p);
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51 T_RV_RET atp_spp_reg(void);
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52 T_RV_RET atp_spp_set_atp_signals(T_SPP_LINE_STS * message_p);
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53 T_RV_RET atp_spp_set_spp_signals(T_ATP_SIGNAL_CHANGED * message_p);
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56 #endif
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