circuitpython/atmel-samd/flash_api.c
Scott Shawcroft 790c38e18c atmel-samd: Rework boot, main and REPL order.
Boot will only run once now before USB is started. Its output goes to
boot_out.txt. After main and REPL will run with VM and hardware resets
between each.
2017-05-12 18:26:14 -07:00

48 lines
1.7 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 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 "flash_api.h"
#include "py/mpstate.h"
#define VFS_INDEX 0
void flash_set_usb_writeable(bool usb_writeable) {
if (VFS_INDEX >= MP_ARRAY_SIZE(MP_STATE_PORT(fs_user_mount))) {
return;
}
fs_user_mount_t *vfs = MP_STATE_PORT(fs_user_mount)[VFS_INDEX];
if (vfs == NULL) {
return;
}
if (usb_writeable) {
vfs->flags |= FSUSER_USB_WRITEABLE;
} else {
vfs->flags &= ~FSUSER_USB_WRITEABLE;
}
}