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62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/*
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* Copyright (C) 2013, Freie Universitaet Berlin (FUB). All rights reserved.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#ifndef CPU_H
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#define CPU_H
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/**
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* @defgroup lpc2387 NXP LPC2387
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* @ingroup cpu
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* @brief NXP LPC2387 specific code
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* @{
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include "lpc2387.h"
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#include "arm_cpu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern uintptr_t __stack_start; ///< end of user stack memory space
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/**
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* @brief Scale lpc2387 cpu speed
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*/
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void lpc2387_pclk_scale(uint32_t source, uint32_t target, uint32_t *pclksel, uint32_t *prescale);
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/**
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* @brief install lpc2387 irq
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*/
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bool install_irq(int IntNumber, void (*HandlerAddr)(void), int Priority);
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#ifdef MODULE_PERIPH
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void gpio_init_ports(void);
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#endif
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/**
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* @brief Prints the current content of the link register (lr)
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*/
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static inline void cpu_print_last_instruction(void)
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{
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register uint32_t *lr_ptr;
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__asm__ __volatile__("mov %0, lr" : "=r"(lr_ptr));
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printf("%p\n", (void*) lr_ptr);
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}
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* CPU_H */
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