annotate cdg-hybrid/cdginc/p_ph.val @ 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 e7a67accfad9
children
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1 /*
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2 +--------------------------------------------------------------------------+
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3 | PROJECT : PROTOCOL STACK |
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4 | FILE : p_ph.val |
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5 | SOURCE : "sap\ph.pdf" |
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6 | LastModified : "2001-10-26" |
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7 | IdAndVersion : "6147.112.01.100" |
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8 | SrcFileTime : "Thu Nov 29 09:50:28 2007" |
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9 | Generated by CCDGEN_2.5.5A on Fri Oct 14 21:41:52 2016 |
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10 | !!DO NOT MODIFY!!DO NOT MODIFY!!DO NOT MODIFY!! |
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11 +--------------------------------------------------------------------------+
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12 */
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13
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14 /* PRAGMAS
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15 * PREFIX : NONE
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16 * COMPATIBILITY_DEFINES : NO (require PREFIX)
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17 * ALWAYS_ENUM_IN_VAL_FILE: NO
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18 * ENABLE_GROUP: NO
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19 * CAPITALIZE_TYPENAME: NO
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20 */
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23 #ifndef P_PH_VAL
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24 #define P_PH_VAL
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27 #define CDG_ENTER__P_PH_VAL
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28
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29 #define CDG_ENTER__FILENAME _P_PH_VAL
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30 #define CDG_ENTER__P_PH_VAL__FILE_TYPE CDGINC
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31 #define CDG_ENTER__P_PH_VAL__LAST_MODIFIED _2001_10_26
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32 #define CDG_ENTER__P_PH_VAL__ID_AND_VERSION _6147_112_01_100
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33
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34 #define CDG_ENTER__P_PH_VAL__SRC_FILE_TIME _Thu_Nov_29_09_50_28_2007
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35
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36 #include "CDG_ENTER.h"
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37
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38 #undef CDG_ENTER__P_PH_VAL
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40 #undef CDG_ENTER__FILENAME
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43 /*
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44 * Value constants for VAL_ch_type
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45 */
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46 #define CH_TYPE_SACCH (0x0) /* SACCH */
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47 #define CH_TYPE_SDCCH (0x1) /* SDCCH */
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48 #define CH_TYPE_FACCH (0x2) /* FACCH Full Rate */
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49 #define VAL_CH_TYPE___3 (0x3) /* reserved */
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50 #define VAL_CH_TYPE___4 (0x4) /* reserved */
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51 #define VAL_CH_TYPE___5 (0x5) /* reserved */
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52 #define VAL_CH_TYPE___6 (0x6) /* reserved */
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53 #define CH_TYPE_FACCH_HR (0x7) /* FACCH Half Rate */
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54
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55 /*
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56 * user defined constants
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57 */
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58 #define DUMMY_PH (0x0)
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59
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60 #include "CDG_LEAVE.h"
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61
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63 #endif