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49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <unistd.h>
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#include <errno.h>
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#include <time.h>
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#include "esp_rom_sys.h"
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void esp_rom_output_putc(char c)
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{
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putc(c, stdout);
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}
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void esp_rom_delay_us(uint32_t us)
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{
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struct timespec wait_time = {
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.tv_sec = us / 1000000,
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.tv_nsec = us % 1000000 * 1000,
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};
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/*
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If nanosleep() is interrupted by a signal handler, nanosleep()
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returns -1, sets errno to EINTR, and writes the remaining time.
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The remaining time is used to call nanosleep() again and complete the specified pause.
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*/
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while (nanosleep(&wait_time, &wait_time) == -1 && errno == EINTR) { };
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}
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soc_reset_reason_t esp_rom_get_reset_reason(int cpu_no)
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{
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return RESET_REASON_CHIP_POWER_ON;
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}
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void __assert_func(const char *file, int line, const char *func, const char *failedexpr)
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{
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esp_rom_printf("assertion \"%s\" failed: file \"%s\", line %d%s%s\n",
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failedexpr, file, line,
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func ? ", function: " : "", func ? func : "");
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while (1) {}
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}
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