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https://github.com/RIOT-OS/RIOT.git
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7d1d5e77d8
New CPU FE310 from SiFive based on RISC-V architecture build: add makefile for RISC-V builds Makefile for builds using RISC-V tools
107 lines
1.6 KiB
C
107 lines
1.6 KiB
C
/*
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* Copyright 2017 Ken Rabold
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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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/**
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* @ingroup cpu_fe310
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* @{
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*
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* @file rtc.c
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* @brief RTC interface wrapper for use with RTT modules
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*
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* @author Ken Rabold
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* @}
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include "cpu.h"
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#include "periph_cpu.h"
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#include "periph_conf.h"
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#include "periph/rtt.h"
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#include "periph/rtc.h"
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#define ENABLE_DEBUG (0)
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#include "debug.h"
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typedef struct {
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rtc_alarm_cb_t cb; /**< callback called from RTC interrupt */
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}rtc_state_t;
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static rtc_state_t rtc_callback;
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static void rtc_cb(void *arg);
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void rtc_init(void)
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{
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rtt_init();
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}
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int rtc_set_time(struct tm *time)
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{
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time_t t = mktime(time);
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rtt_set_counter((uint32_t)t);
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return 0;
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}
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int rtc_get_time(struct tm *time)
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{
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time_t t = (time_t)rtt_get_counter();
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gmtime_r(&t, time);
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return 0;
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}
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int rtc_set_alarm(struct tm *time, rtc_alarm_cb_t cb, void *arg)
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{
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time_t t = mktime(time);
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rtc_callback.cb = cb;
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rtt_set_alarm((uint32_t)t, rtc_cb, arg);
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return 0;
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}
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int rtc_get_alarm(struct tm *time)
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{
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time_t t = (time_t)rtt_get_alarm();
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gmtime_r(&t, time);
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return 0;
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}
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void rtc_clear_alarm(void)
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{
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rtt_clear_alarm();
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rtc_callback.cb = NULL;
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}
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void rtc_poweron(void)
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{
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rtt_poweron();
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}
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void rtc_poweroff(void)
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{
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rtt_poweroff();
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}
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static void rtc_cb(void *arg)
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{
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if (rtc_callback.cb != NULL) {
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rtc_callback.cb(arg);
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}
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}
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