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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
*
* 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/runtime.h"
#include "rng.h"
#include "usb.h"
#include "uart.h"
#if MICROPY_VFS_FAT
#include "lib/oofatfs/ff.h"
#include "lib/oofatfs/diskio.h"
#endif
// sync()
// Sync all filesystems.
STATIC mp_obj_t mp_uos_sync(void) {
#if MICROPY_VFS_FAT
for (mp_vfs_mount_t *vfs = MP_STATE_VM(vfs_mount_table); vfs != NULL; vfs = vfs->next) {
// this assumes that vfs->obj is fs_user_mount_t with block device functions
disk_ioctl(MP_OBJ_TO_PTR(vfs->obj), CTRL_SYNC, NULL);
}
#endif
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_0(mp_uos_sync_obj, mp_uos_sync);
#if MICROPY_PY_UOS_URANDOM
// urandom(n)
// Return a bytes object with n random bytes, generated by the hardware
// random number generator.
STATIC mp_obj_t mp_uos_urandom(mp_obj_t num) {
mp_int_t n = mp_obj_get_int(num);
vstr_t vstr;
vstr_init_len(&vstr, n);
for (int i = 0; i < n; i++) {
vstr.buf[i] = rng_get();
}
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_uos_urandom_obj, mp_uos_urandom);
#endif
bool mp_uos_dupterm_is_builtin_stream(mp_const_obj_t stream) {
const mp_obj_type_t *type = mp_obj_get_type(stream);
return type == &pyb_uart_type
#if MICROPY_HW_ENABLE_USB
|| type == &pyb_usb_vcp_type
#endif
;
}
void mp_uos_dupterm_stream_detached_attached(mp_obj_t stream_detached, mp_obj_t stream_attached) {
if (mp_obj_get_type(stream_detached) == &pyb_uart_type) {
uart_attach_to_repl(MP_OBJ_TO_PTR(stream_detached), false);
}
#if MICROPY_HW_ENABLE_USB
if (mp_obj_get_type(stream_detached) == &pyb_usb_vcp_type) {
usb_vcp_attach_to_repl(MP_OBJ_TO_PTR(stream_detached), false);
}
#endif
if (mp_obj_get_type(stream_attached) == &pyb_uart_type) {
uart_attach_to_repl(MP_OBJ_TO_PTR(stream_attached), true);
}
#if MICROPY_HW_ENABLE_USB
if (mp_obj_get_type(stream_attached) == &pyb_usb_vcp_type) {
usb_vcp_attach_to_repl(MP_OBJ_TO_PTR(stream_attached), true);
}
#endif
}
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