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bacnet-stack/ports/pic18f6720/hardware.h

101 lines
3.7 KiB
C

/**************************************************************************
*
* Copyright (C) 2007 Steve Karg <skarg@users.sourceforge.net>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*********************************************************************/
#ifndef HARDWARE_H
#define HARDWARE_H
#include <p18f6720.h>
#include <stdint.h>
#include <stdbool.h>
#define RS485_TX_ENABLE PORTEbits.RE3
#define RS485_RX_DISABLE PORTGbits.RG0
#define TURN_OFF_COMPARATORS() CMCON = 0x07
enum INT_STATE { INT_DISABLED, INT_ENABLED, INT_RESTORE };
#define RESTART_WDT() { _asm CLRWDT _endasm }
/* *************************************************************************
define ENABLE_GLOBAL_INT() INTCONbits.GIE = 1 £
#define DISABLE_GLOBAL_INT() INTCONbits.GIE = 0 £
#define ENABLE_PERIPHERAL_INT() INTCONbits.PEIE = 1 £
#define DISABLE_PERIPHERAL_INT() INTCONbits.PEIE = 0
*************************************************************************** */
#define ENABLE_HIGH_INT() INTCONbits.GIE = 1
#define DISABLE_HIGH_INT() INTCONbits.GIE = 0
#define ENABLE_LOW_INT() INTCONbits.PEIE = 1
#define DISABLE_LOW_INT() INTCONbits.PEIE = 0
#define ENABLE_TIMER0_INT() INTCONbits.TMR0IE = 1
#define DISABLE_TIMER0_INT() INTCONbits.TMR0IE = 0
#define ENABLE_TIMER2_INT() PIE1bits.TMR2IE = 1
#define DISABLE_TIMER2_INT() PIE1bits.TMR2IE = 0
#define ENABLE_TIMER4_INT() PIE3bits.TMR4IE = 1
#define DISABLE_TIMER4_INT() PIE3bits.TMR4IE = 0
#define ENABLE_CCP2_INT() PIE2bits.CCP2IE = 1
#define DISABLE_CCP2_INT() PIE2bits.CCP2IE = 0
#define ENABLE_CCP1_INT() PIE1bits.CCP1IE = 1
#define DISABLE_CCP1_INT() PIE1bits.CCP1IE = 0
#define ENABLE_ABUS_INT() PIE1bits.SSPIE = 1
#define DISABLE_ABUS_INT() PIE1bits.SSPIE = 0
#define CLEAR_ABUS_FLAG() PIR1bits.SSPIF = 0
#define SETUP_CCP1(x) CCP1CON = x
#define SETUP_CCP2(x) CCP2CON = x
#define DISABLE_RX_INT() PIE1bits.RCIE = 0
#define ENABLE_RX_INT() PIE1bits.RCIE = 1
#define DISABLE_TX_INT() PIE1bits.TXIE = 0
#define ENABLE_TX_INT() PIE1bits.TXIE = 1
#if CLOCKSPEED == 20
#define DELAY_US(x) { _asm \
MOVLW x \
LOOP: \
NOP \
NOP \
DECFSZ WREG, 1, 0 \
BRA LOOP \
_endasm }
#endif
#define setup_timer4(mode, period, postscale) \
T4CON = (mode | (postscale - 1) << 3); \
PR4 = period
#define setup_timer2(mode, period, postscale) \
T2CON = (mode | (postscale - 1) << 3); \
PR2 = period
#endif /* HARDWARE_H */