cpu.h

/*
 * Copyright (C) 2013, Freie Universitaet Berlin (FUB). All rights reserved.
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#ifndef CPU_H
#define CPU_H
 
#include <stdio.h>
#include <stdbool.h>
 
#include "lpc23xx.h"
#include "arm_cpu.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern uintptr_t __stack_start;     
void cpu_init_pll(void);
 
void cpu_init_mam(void);
 
void lpc23xx_pclk_scale(uint32_t source, uint32_t target, uint32_t *pclksel, uint32_t *prescale);
 
void cpu_init_clks(void);
 
bool install_irq(int IntNumber, void (*HandlerAddr)(void), int Priority);
 
#ifdef MODULE_PERIPH
void gpio_init_ports(void);
#endif
 
static inline void cpu_print_last_instruction(void)
{
    register uint32_t *lr_ptr;
    __asm__ __volatile__("mov %0, lr" : "=r"(lr_ptr));
    printf("%p\n", (void*) lr_ptr);
}
 
static inline bool cpu_woke_from_backup(void) {
    return RSIR == 0;
}
 
bool cpu_backup_ram_is_initialized(void);
 
#define CPU_HAS_BACKUP_RAM  (1)
 
#ifdef __cplusplus
}
#endif
 
#endif /* CPU_H */