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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 945cf7f506b2
children
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/*******************************************************************************
 *
 * ti_profiler_env.c
 *
 * This module interfaces the environment and contains all start/init/stop...
 * functions of the TI profiler.
 *
 * (C) Texas Instruments, all rights reserved
 *
 * Version number	: 0.1
 *
 * History			: 0.1 (7/30/2001) - Created
 *
 * Date             : 7/30/2001
 *
 * Author           : Philippe Martinez, 
 *
 ******************************************************************************/

#ifndef __TI_PROFILER_ENV_H__
#define __TI_PROFILER_ENV_H__

#include "rvm/rvm_gen.h"

#include "ti_prf_pool_size.h"	/* Stack & Memory Bank sizes definitions */

#define TI_PROFILER_TASK_STACK_SIZE TI_PRF_STACK_SIZE

#define TI_PROFILER_MB_SIZE         TI_PRF_MB1_SIZE
#define TI_PROFILER_MB_WATERMARK    TI_PROFILER_MB_SIZE

#define TI_PROFILER_MAILBOX         RVF_TASK_MBOX_0
#define TI_PROFILER_TASK_PRIORITY   255

T_RVM_RETURN
ti_prf_get_info (T_RVM_INFO_SWE *p_info_swe);


T_RVM_RETURN
ti_prf_set_info(T_RVF_ADDR_ID addr_id,
				T_RV_RETURN_PATH	return_path[],
				T_RVF_MB_ID bk_id[],
				T_RVM_RETURN (*rvm_error_ft)(T_RVM_NAME swe_name,
								 T_RVM_RETURN error_cause,
								 T_RVM_ERROR_TYPE error_type,
								 T_RVM_STRING error_msg));

T_RVM_RETURN
ti_prf_env_init (void);

T_RVM_RETURN
ti_prf_env_stop (void);

T_RVM_RETURN
ti_prf_kill (void);


#endif /* __TI_PROFILER_ENV_H__ */