annotate src/g23m-aci/aci/ati_src_psi.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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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul :
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose :
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18 +-----------------------------------------------------------------------------
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19 */
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20 #ifdef FF_PSI
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22 #ifndef ATI_SRC_PSI_H
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23 #define ATI_SRC_PSI_H
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25 EXTERN BOOL psi_src_proc_chars (UBYTE *chars, USHORT len, T_ACI_DTI_PRC_PSI *prc_cmd);
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26 EXTERN void psi_erase_source( UBYTE srcId );
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27 EXTERN T_ATI_RESULT_CB psi_src_result_cb;
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28 EXTERN T_ATI_LINE_STATE_CB psi_src_line_state_cb;
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29 EXTERN UBYTE psi_new_source( U32 devId, UBYTE dlci , U32 dio_driver_type);/* RM 26-05-04 Nice */
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31 EXTERN USHORT format_output (UBYTE *src, USHORT src_len, UBYTE *dst,
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32 T_ATI_OUTPUT_TYPE output_type);
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34 EXTERN T_ACI_LIST *psi_src_params;
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36 EXTERN void ati_switch_mode(UBYTE srcId, T_ATI_IO_MODE mode);
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38 EXTERN void psi_send_buffer_data(UBYTE src_id);
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40 EXTERN void psi_buffer_data (T_ACI_DTI_PRC_PSI *src_infos, T_desc2 *send_data);
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41
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42 #ifdef _SIMULATION_
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43 EXTERN void psi_src_test_sendString (UBYTE *string, USHORT string_len,
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44 T_ACI_DTI_PRC_PSI *src_infos,
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45 T_ATI_OUTPUT_TYPE output_type);
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46 #endif /*_SIMULATION_*/
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47 #endif /*ATI_SRC_PSI_H*/
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48 #endif /*FF_PSI*/
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49 /*==== EOF =======================================================*/
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50