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