mirror of
https://github.com/firewalkwithm3/Sensor-Watch.git
synced 2024-11-23 03:30:30 +08:00
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2020 Joey Castillo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "watch_private.h"
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#include "watch_utility.h"
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#include <sys/time.h>
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void _watch_init(void) {
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// External wake depends on RTC; calendar is a required module.
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_watch_rtc_init();
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}
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// this function is called by arc4random to get entropy for random number generation.
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// let's use the SAM L22's true random number generator to seed the PRNG!
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int getentropy(void *buf, size_t buflen);
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int getentropy(void *buf, size_t buflen) {
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// TODO: (a2) hook to RNG
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return 0;
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}
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int _gettimeofday(struct timeval *tv, void *tzvp);
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int _gettimeofday(struct timeval *tv, void *tzvp) {
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(void)tzvp;
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watch_date_time date_time = watch_rtc_get_date_time();
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// FIXME: this assumes the system time is UTC! Will break for any other time zone.
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tv->tv_sec = watch_utility_date_time_to_unix_time(date_time, 0);
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tv->tv_usec = 0;
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return 0;
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}
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void _watch_enable_tcc(void) {}
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void _watch_disable_tcc(void) {}
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void _watch_enable_usb(void) {}
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// this function ends up getting called by printf to log stuff to the USB console.
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int _write(int file, char *ptr, int len) {
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// TODO: (a2) hook to UI
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return 0;
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}
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int _read(int file, char *ptr, int len) {
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// TODO: hook to UI
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return 0;
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}
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