84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
|
|
*
|
|
* 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 <string.h>
|
|
|
|
#include "supervisor/serial.h"
|
|
#include "lib/oofatfs/ff.h"
|
|
#include "py/mpconfig.h"
|
|
#include "py/mphal.h"
|
|
#include "py/mpstate.h"
|
|
#include "py/runtime.h"
|
|
#include "py/stream.h"
|
|
|
|
#include "supervisor/shared/status_leds.h"
|
|
|
|
#if CIRCUITPY_WATCHDOG
|
|
#include "shared-bindings/watchdog/__init__.h"
|
|
#define WATCHDOG_EXCEPTION_CHECK() (MP_STATE_VM(mp_pending_exception) == &mp_watchdog_timeout_exception)
|
|
#else
|
|
#define WATCHDOG_EXCEPTION_CHECK() 0
|
|
#endif
|
|
|
|
int mp_hal_stdin_rx_chr(void) {
|
|
for (;;) {
|
|
#ifdef MICROPY_VM_HOOK_LOOP
|
|
MICROPY_VM_HOOK_LOOP
|
|
#endif
|
|
mp_handle_pending(true);
|
|
if (serial_bytes_available()) {
|
|
toggle_rx_led();
|
|
return serial_read();
|
|
}
|
|
}
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn(const char *str, size_t len) {
|
|
toggle_tx_led();
|
|
|
|
#ifdef CIRCUITPY_BOOT_OUTPUT_FILE
|
|
if (boot_output != NULL) {
|
|
// Ensure boot_out.txt is capped at 1 filesystem block and ends with a newline
|
|
if (len + boot_output->len > 508) {
|
|
vstr_add_str(boot_output, "...\n");
|
|
boot_output = NULL;
|
|
} else {
|
|
vstr_add_strn(boot_output, str, len);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
serial_write_substring(str, len);
|
|
}
|
|
|
|
uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
|
|
uintptr_t ret = 0;
|
|
if ((poll_flags & MP_STREAM_POLL_RD) && serial_bytes_available()) {
|
|
ret |= MP_STREAM_POLL_RD;
|
|
}
|
|
return ret;
|
|
}
|