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83 lines
1.6 KiB
C
83 lines
1.6 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 cpu_lpc23xx NXP LPC23XX
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* @ingroup cpu
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* @brief NXP LPC23XX family 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 "lpc23xx.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 Initialize the phase lock loop oscillator
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*/
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void cpu_init_pll(void);
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/**
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* @brief Initialize the Memory Acceleration Module
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*/
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void cpu_init_mam(void);
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/**
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* @brief Scale lpc23xx cpu speed
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*/
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void lpc23xx_pclk_scale(uint32_t source, uint32_t target, uint32_t *pclksel, uint32_t *prescale);
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/**
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* @brief Initialize lpc23xx cpu clocks
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*/
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void cpu_init_clks(void);
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/**
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* @brief install lpc23xx 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 Returns true if the CPU woke from Deep Sleep
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*/
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static inline bool cpu_woke_from_backup(void) {
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return RSIR == 0;
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}
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/**
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* @brief Returns true if the backup RAM has been initialized
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*/
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bool cpu_backup_ram_is_initialized(void);
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/**
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* @brief The CPU has RAM that is retained in the deepest sleep mode.
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*/
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#define CPU_HAS_BACKUP_RAM (1)
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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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