circuitpython/ports/espressif/boards/mixgo_ce_serial/board.c

63 lines
2.4 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 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 "supervisor/board.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "lib/oofatfs/ff.h"
#include "extmod/vfs_fat.h"
#include "py/mpstate.h"
#include "supervisor/filesystem.h"
void board_init(void) {
// Debug UART
#ifdef DEBUG
common_hal_never_reset_pin(&pin_GPIO43);
common_hal_never_reset_pin(&pin_GPIO44);
#endif /* DEBUG */
mp_import_stat_t stat_b = mp_import_stat("boot.py");
if (stat_b != MP_IMPORT_STAT_FILE) {
FATFS *fatfs = filesystem_circuitpy();
FIL fs;
UINT char_written = 0;
const byte buffer[] = "#Serial port upload mode\nimport storage\nstorage.remount(\"/\", False)\nstorage.disable_usb_drive()\n";
// Create or modify existing boot.py file
f_open(fatfs, &fs, "/boot.py", FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fs, buffer, sizeof(buffer) - 1, &char_written);
f_close(&fs);
// Delete code.Py, use main.py
mp_import_stat_t stat_c = mp_import_stat("code.py");
if (stat_c == MP_IMPORT_STAT_FILE) {
f_unlink(fatfs,"/code.py");
}
}
}
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.