kopia lustrzana https://github.com/micropython/micropython
77 wiersze
2.5 KiB
C
77 wiersze
2.5 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Damien P. George
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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
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* all 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
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* THE SOFTWARE.
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*/
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#ifdef MICROPY_SSL_MBEDTLS
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#include "mbedtls_config.h"
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#include <stdint.h>
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uint32_t trng_random_u32(void);
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#if defined(MBEDTLS_HAVE_TIME) || defined(MBEDTLS_HAVE_TIME_DATE)
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#include <stdbool.h>
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#include "py/runtime.h"
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#include "shared/timeutils/timeutils.h"
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extern void rtc_gettime(timeutils_struct_time_t *tm);
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#endif
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int mbedtls_hardware_poll(void *data, unsigned char *output, size_t len, size_t *olen) {
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*olen = len;
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for (size_t i = 0; i < len; i++) {
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output[i] = (unsigned char)trng_random_u32();
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}
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return 0;
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}
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#endif
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#if defined(MBEDTLS_HAVE_TIME)
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time_t samd_rtctime_seconds(time_t *timer) {
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timeutils_struct_time_t tm;
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rtc_gettime(&tm);
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return timeutils_seconds_since_epoch(tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
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}
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#endif
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#if defined(MBEDTLS_HAVE_TIME_DATE)
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struct tm *gmtime(const time_t *timep) {
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static struct tm tm;
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timeutils_struct_time_t tm_buf = {0};
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timeutils_seconds_since_epoch_to_struct_time(*timep, &tm_buf);
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tm.tm_sec = tm_buf.tm_sec;
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tm.tm_min = tm_buf.tm_min;
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tm.tm_hour = tm_buf.tm_hour;
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tm.tm_mday = tm_buf.tm_mday;
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tm.tm_mon = tm_buf.tm_mon - 1;
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tm.tm_year = tm_buf.tm_year - 1900;
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tm.tm_wday = tm_buf.tm_wday;
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tm.tm_yday = tm_buf.tm_yday;
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tm.tm_isdst = -1;
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return &tm;
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}
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#endif
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