circuitpython/ports/atmel-samd/common-hal/os/__init__.c

86 lines
3.0 KiB
C

/*
* This file is part of the MicroPython 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 "genhdr/mpversion.h"
#include "py/mpconfig.h"
#include "py/objstr.h"
#include "py/objtuple.h"
#include "py/qstr.h"
#ifdef SAM_D5X_E5X
#include "hal/include/hal_rand_sync.h"
#endif
STATIC const qstr os_uname_info_fields[] = {
MP_QSTR_sysname, MP_QSTR_nodename,
MP_QSTR_release, MP_QSTR_version, MP_QSTR_machine
};
#ifdef SAMD21
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_sysname_obj, "samd21");
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_nodename_obj, "samd21");
#endif
#ifdef SAM_D5X_E5X
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_sysname_obj, "samd51");
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_nodename_obj, "samd51");
#endif
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_release_obj, MICROPY_VERSION_STRING);
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_version_obj, MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE);
STATIC const MP_DEFINE_STR_OBJ(os_uname_info_machine_obj, MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME);
STATIC MP_DEFINE_ATTRTUPLE(
os_uname_info_obj,
os_uname_info_fields,
5,
(mp_obj_t)&os_uname_info_sysname_obj,
(mp_obj_t)&os_uname_info_nodename_obj,
(mp_obj_t)&os_uname_info_release_obj,
(mp_obj_t)&os_uname_info_version_obj,
(mp_obj_t)&os_uname_info_machine_obj
);
mp_obj_t common_hal_os_uname(void) {
return (mp_obj_t)&os_uname_info_obj;
}
bool common_hal_os_urandom(uint8_t* buffer, uint32_t length) {
#ifdef SAM_D5X_E5X
hri_mclk_set_APBCMASK_TRNG_bit(MCLK);
struct rand_sync_desc random;
rand_sync_init(&random, TRNG);
rand_sync_enable(&random);
rand_sync_read_buf8(&random, buffer, length);
rand_sync_disable(&random);
rand_sync_deinit(&random);
hri_mclk_clear_APBCMASK_TRNG_bit(MCLK);
return true;
#else
return false;
#endif
}