p33c_macros.h

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/* 
 * File:   p33c_macros.h
 * Author: M91406
 * Comments: Header files providing inline assembly macros for basic CPU instructions
 * Revision history: 
 * 1.0  Initial release     06/22/20
 */
 
// This is a guard condition so that contents of this file are not included
// more than once.  
#ifndef P33C_CPU_MACROS_H
#define P33C_CPU_MACROS_H
 
#include <xc.h> // include processor files - each processor file is guarded.  
 
#define WDT_RESET()     asm volatile ("CRLWDT\n")
#define PWRSAV_IDLE()   asm volatile ("PWRSAV #1\n")
#define PWRSAV_SLEEP()  asm volatile ("PWRSAV #0\n")
#define CPU_RESET()     asm volatile ("RESET\n")
 
 
#define ALTWREG_SWAP(x) __extension__ ({ \
    volatile uint16_t __x = (x), __v; \
    __asm__ ("ctxtswp %1;\n\t" : "=d" (__v) : "d" (__x)); __v; \
})    
 
 
#endif  /* P33C_CPU_MACROS_H */
 
// end of file