mbed-os
Dependents: cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more
features/FEATURE_COMMON_PAL/nanostack-hal-mbed-cmsis-rtos/arm_hal_random.c
- Committer:
- be_bryan
- Date:
- 2017-12-11
- Revision:
- 0:b74591d5ab33
File content as of revision 0:b74591d5ab33:
/* * Copyright (c) 2015 ARM Limited. All rights reserved. * SPDX-License-Identifier: Apache-2.0 * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "ns_types.h" #include "arm_hal_random.h" #include "mbedtls/entropy_poll.h" void arm_random_module_init(void) { } uint32_t arm_random_seed_get(void) { uint32_t result = 0; #ifdef MBEDTLS_ENTROPY_HARDWARE_ALT /* Grab a seed from a function we provide for mbedtls */ size_t len; mbedtls_hardware_poll(NULL, (uint8_t *) &result, sizeof result, &len); #endif return result; }