Loading...
Searching...
No Matches
cpu.h
1/*
2 * Copyright (C) 2013, Freie Universitaet Berlin (FUB). All rights reserved.
3 *
4 * This file is subject to the terms and conditions of the GNU Lesser
5 * General Public License v2.1. See the file LICENSE in the top level
6 * directory for more details.
7 */
8
9#ifndef CPU_H
10#define CPU_H
11
19#include <stdio.h>
20#include <stdbool.h>
21
22#include "lpc23xx.h"
23#include "arm_cpu.h"
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
29extern uintptr_t __stack_start;
34void cpu_init_pll(void);
35
39void cpu_init_mam(void);
40
44void lpc23xx_pclk_scale(uint32_t source, uint32_t target, uint32_t *pclksel, uint32_t *prescale);
45
49void cpu_init_clks(void);
50
54bool install_irq(int IntNumber, void (*HandlerAddr)(void), int Priority);
55
56#ifdef MODULE_PERIPH
57void gpio_init_ports(void);
58#endif
59
63static inline bool cpu_woke_from_backup(void) {
64 return RSIR == 0;
65}
66
70bool cpu_backup_ram_is_initialized(void);
71
75#define CPU_HAS_BACKUP_RAM (1)
76
77#ifdef __cplusplus
78}
79#endif
80
82#endif /* CPU_H */
__stack_start
uintptr_t __stack_start
end of user stack memory space
cpu_init_clks
void cpu_init_clks(void)
Initialize lpc23xx cpu clocks.
cpu_woke_from_backup
static bool cpu_woke_from_backup(void)
Returns true if the CPU woke from Deep Sleep.
Definition cpu.h:63
cpu_backup_ram_is_initialized
bool cpu_backup_ram_is_initialized(void)
Returns true if the backup RAM has been initialized.
lpc23xx_pclk_scale
void lpc23xx_pclk_scale(uint32_t source, uint32_t target, uint32_t *pclksel, uint32_t *prescale)
Scale lpc23xx cpu speed.
cpu_init_mam
void cpu_init_mam(void)
Initialize the Memory Acceleration Module.
cpu_init_pll
void cpu_init_pll(void)
Initialize the phase lock loop oscillator.
install_irq
bool install_irq(int IntNumber, void(*HandlerAddr)(void), int Priority)
install lpc23xx irq
stdio.h
stdio wrapper to extend the C libs stdio