annotate src/g23m-gprs/grr/grr_em.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 219afcfc6250
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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 : Engineering Mode (EM) Declarations + Macros
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18 |
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19 +-----------------------------------------------------------------------------
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20 */
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21 #ifndef GRR_EM_H
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22 #define GRR_EM_H
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23
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24 #ifdef FF_EM_MODE
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25
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26 /*-------------- other Macros --------------------------- */
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27 /* same as defined in rr_em.h*/
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28 #define TRACE_EVENT_EM_P5(s,a1,a2,a3,a4,a5) TRACE_USER_CLASS_P5(TC_USER8,s,a1,a2,a3,a4,a5)
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29 #define TRACE_EVENT_EM_P6(s,a1,a2,a3,a4,a5,a6) TRACE_USER_CLASS_P6(TC_USER8,s,a1,a2,a3,a4,a5,a6)
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30
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31 /* ------------ data declarations for EM ---------------- */
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32 /*
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33 * em_dsc_val is used for the engineering mode. To avoid unnecessary primitive sending
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34 * this variable is defined as global and is used between entities.
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35 */
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36 EXTERN UBYTE em_dsc_val;
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37
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38 /*in em_pco_trace_on_and_callback_off is stored if the EM data output is redirected*/
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39 EXTERN UBYTE em_pco_trace_on_and_callback_off; /*lint -esym(526,em_pco_trace_on_and_callback_off)
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40 : not defined here */
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41
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42 /*---------Functions ---------*/
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43 EXTERN void grr_em_pco_trace_req ( T_EM_PCO_TRACE_REQ * em_pco_trace_req );
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44 EXTERN void grr_em_sc_gprs_info_req ( T_EM_SC_GPRS_INFO_REQ * em_sc_gprs_info_req );
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45
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46 /*-----------FMM--------------*/
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47 EXTERN void grr_em_fmm_sc_gprs_info_req (T_EM_FMM_SC_GPRS_INFO_REQ * em_fmm_sc_gprs_info_req); /*FMM*/
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48 EXTERN void grr_em_fmm_tbf_info_req (T_EM_FMM_TBF_INFO_REQ * em_fmm_tbf_info_req ); /*FMM*/
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49
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50 /*--- other macros -------*/
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51
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52 #define GRR_EM_SET_DSC_VAL(x) (em_dsc_val = x)
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53 #define GRR_EM_SET_CELL_BARRED (psc_db->scell_par.cell_ba = psi3->scell_par.cell_ba)
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54
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55 #else /*FF_EM_MODE not defined*/
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56
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57 #define GRR_EM_SET_DSC_VAL(x)
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58 #define GRR_EM_SET_CELL_BARRED
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59
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60 #endif /*FF_EM_MODE*/
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61 #endif /* GRR_EM_H */