circuitpython/ports/esp32/modos.c
Jim Mussared 45ac651d1a all: Rename *umodule*.c to remove the "u" prefix.
Updates any includes, and references from Makefiles/CMake.

This essentially reverts what was done long ago in commit
136b5cbd76

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2023-06-08 17:54:17 +10:00

66 lines
2.2 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* Development of the code in this file was sponsored by Microbric Pty Ltd
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Josef Gajdusek
* Copyright (c) 2016 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 "esp_system.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "extmod/misc.h"
STATIC mp_obj_t mp_os_urandom(mp_obj_t num) {
mp_int_t n = mp_obj_get_int(num);
vstr_t vstr;
vstr_init_len(&vstr, n);
uint32_t r = 0;
for (int i = 0; i < n; i++) {
if ((i & 3) == 0) {
r = esp_random(); // returns 32-bit hardware random number
}
vstr.buf[i] = r;
r >>= 8;
}
return mp_obj_new_bytes_from_vstr(&vstr);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_os_urandom_obj, mp_os_urandom);
#if MICROPY_PY_OS_DUPTERM_NOTIFY
STATIC mp_obj_t mp_os_dupterm_notify(mp_obj_t obj_in) {
(void)obj_in;
for (;;) {
int c = mp_os_dupterm_rx_chr();
if (c < 0) {
break;
}
ringbuf_put(&stdin_ringbuf, c);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_os_dupterm_notify_obj, mp_os_dupterm_notify);
#endif