circuitpython/ports/webassembly/mphalport.h

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George and 2017, 2018 Rami Ali
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/obj.h"
#include "shared/runtime/interrupt_char.h"
#define mp_hal_stdin_rx_chr() (0)
void mp_hal_stdout_tx_strn(const char *str, size_t len);
void mp_hal_delay_ms(mp_uint_t ms);
void mp_hal_delay_us(mp_uint_t us);
mp_uint_t mp_hal_ticks_ms(void);
mp_uint_t mp_hal_ticks_us(void);
mp_uint_t mp_hal_ticks_cpu(void);
int mp_hal_get_interrupt_char(void);
#if MICROPY_VFS_POSIX
#include <errno.h>
// This macro is used to implement PEP 475 to retry specified syscalls on EINTR
#define MP_HAL_RETRY_SYSCALL(ret, syscall, raise) \
{ \
for (;;) { \
ret = syscall; \
if (ret == -1) { \
int err = errno; \
if (err == EINTR) { \
mp_handle_pending(true); \
continue; \
} \
raise; \
} \
break; \
} \
}
#endif