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view src/gpf2/inc/nuc/os_glob.h @ 629:3231dd9b38c1

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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 864b8cc0cf63
children
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/* 
+------------------------------------------------------------------------------
|  File:       os_glob.h
+------------------------------------------------------------------------------
|  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 :  Global tabless for the Nucleus OS adaptation layer
+----------------------------------------------------------------------------- 
*/ 

#ifndef OS_GLOB_H
#define OS_GLOB_H

/*==== INCLUDES =============================================================*/

#include "os_types.h"

/*==== CONSTANTS ============================================================*/

/*==== TYPES ================================================================*/

/*==== VARIABLES ============================================================*/
 
#ifndef CONFIG_MODULE

extern USHORT MaxTasks;
extern USHORT MaxCommunications;
extern USHORT MaxSimultaneousTimer;
extern USHORT MaxTimer;
extern USHORT MaxSemaphores;
extern USHORT MaxOSISRs;
extern USHORT MaxEventGroups;
extern USHORT MaxPoolGroups;
extern USHORT MaxMemoryPools;
#else

#ifndef DATA_INT_RAM
USHORT MaxOSISRs = MAX_OSISRS;
USHORT MaxTasks = MAX_OS_TASKS;
USHORT MaxCommunications = MAX_COMMUNICATIONS;
USHORT MaxSimultaneousTimer = MAX_SIMULTANEOUS_TIMER;
USHORT MaxSemaphores = MAX_SEMAPHORES;
USHORT MaxEventGroups = MAX_EVENT_GROUPS;
USHORT MaxPoolGroups = MAX_POOL_GROUPS;
USHORT MaxMemoryPools = MAX_MEMORY_POOLS;

GLOBAL T_OS_TASK_TABLE_ENTRY TaskTable    [ MAX_OS_TASKS + 1 ];
GLOBAL T_OS_COM_TABLE_ENTRY ComTable      [ MAX_COMMUNICATIONS + 1 ];
GLOBAL T_OS_TIMER_ENTRY TimerTable        [ MAX_SIMULTANEOUS_TIMER + 1 ];
GLOBAL T_OS_SEM_TABLE_ENTRY SemTable      [ MAX_SEMAPHORES + 1 ];
GLOBAL T_OS_OSISR_TABLE_ENTRY OSISRTable  [ MAX_OSISRS + 1 ];
GLOBAL T_OS_PART_GRP_TABLE_ENTRY PartGrpTable  [ MAX_POOL_GROUPS + 1 ];
GLOBAL T_OS_MEM_POOL_TABLE_ENTRY MemPoolTable  [ MAX_MEMORY_POOLS + 1 ];
GLOBAL T_OS_EVTGRP_TABLE_ENTRY EvtGrpTable[ MAX_EVENT_GROUPS + 1 ];
GLOBAL T_OS_TIMER_TABLE_ENTRY *p_list     [ MAX_SIMULTANEOUS_TIMER + 1 ];
GLOBAL T_OS_POOL_BORDER PoolBorder        [ MAX_POOL_GROUPS+1];

GLOBAL const char *os_dar_filename = "/var/dbg/dar";
GLOBAL ULONG os_dar_write_buffer_size = 3000;
#endif /* DATA_INT_RAM */


#endif

#endif