115 lines
4.1 KiB
C
115 lines
4.1 KiB
C
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/******************************************************************************
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Filename: SampleAppHw.c
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Revised: $Date: 2010-11-15 18:17:40 -0800 (Mon, 15 Nov 2010) $
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Revision: $Revision: 24415 $
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Description: Hardware setup for SampleApp
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Copyright 2008-2010 Texas Instruments Incorporated. All rights reserved.
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IMPORTANT: Your use of this Software is limited to those specific rights
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granted under the terms of a software license agreement between the user
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who downloaded the software, his/her employer (which must be your employer)
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and Texas Instruments Incorporated (the "License"). You may not use this
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Software unless you agree to abide by the terms of the License. The License
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limits your use, and you acknowledge, that the Software may not be modified,
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copied or distributed unless embedded on a Texas Instruments microcontroller
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or used solely and exclusively in conjunction with a Texas Instruments radio
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frequency transceiver, which is integrated into your product. Other than for
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the foregoing purpose, you may not use, reproduce, copy, prepare derivative
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works of, modify, distribute, perform, display or sell this Software and/or
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its documentation for any purpose.
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YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
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PROVIDED <EFBFBD>AS IS<EFBFBD> WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
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INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
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NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
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TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT,
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NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
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LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
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INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
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OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
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OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
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(INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
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Should you have any questions regarding your right to use this Software,
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contact Texas Instruments Incorporated at www.TI.com.
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******************************************************************************/
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/******************************************************************************
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* INCLUDES
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*/
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#include "ZComDef.h"
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#include "hal_mcu.h"
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#include "hal_defs.h"
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#include "SampleAppHw.h"
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/******************************************************************************
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* CONSTANTS
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*/
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/* NOTE: A jumper on SmartRF05 header P18 is used to select device start-up as
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* a ZigBee Coordinator. The jumper connects GPIO pins P0.2 and P0.3:
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* On SmartRF05 Rev 1.3 or earlier: P0.2=P18 pin 7, P0.3=P18 pin 9
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* On SmartRF05 Rev 1.7 or later: P0.2=P18 pin 9, P0.3=P18 pin 11
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*/
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#define JUMPERIN_BIT BV(2) //P0.2
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#define JUMPERIN_SEL P0SEL
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#define JUMPERIN_DIR P0DIR
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#define JUMPERIN P0
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#define JUMPEROUT_BIT BV(3) //P0.3
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#define JUMPEROUT_SEL P0SEL
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#define JUMPEROUT_DIR P0DIR
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#define JUMPEROUT P0
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/******************************************************************************
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* @fn readCoordinatorJumper
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*
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* @brief Checks for a jumper between 2 GPIO pins to determine if the device
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* should start-up as a ZigBee Coordinator
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*
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* @return TRUE if the jumper is there, FALSE if not
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*/
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uint8 readCoordinatorJumper( void )
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{
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uint8 i,j;
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uint8 result;
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JUMPERIN_SEL &= ~(JUMPERIN_BIT);
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JUMPERIN_DIR &= ~(JUMPERIN_BIT);
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JUMPEROUT_SEL &= ~(JUMPEROUT_BIT);
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JUMPEROUT_DIR |= JUMPEROUT_BIT;
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// Start with output bit OFF
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JUMPEROUT &= ~(JUMPEROUT_BIT);
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for ( i = 0; i < 8; i++ )
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{
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for ( j = 0; j < 8; j++ )
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{
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// Burn time for input to see change
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result = JUMPERIN & JUMPERIN_BIT;
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}
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j = i & 0x01;
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if (((j == 0) && (result != 0)) ||
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((j != 0) && (result != JUMPERIN_BIT)))
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{
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return ( FALSE );
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}
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// Toggle the output bit
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JUMPEROUT ^= JUMPEROUT_BIT;
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}
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return ( TRUE );
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}
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/******************************************************************************
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*/
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