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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/trng_api.c
- Committer:
- kadonotakashi
- Date:
- 2018-10-10
- Revision:
- 0:8fdf9a60065b
File content as of revision 0:8fdf9a60065b:
/* * Hardware entropy collector for the K66F, using Freescale's RNGA * * Copyright (C) 2006-2015, 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. * */ /* * Reference: "K66 Sub-Family Reference Manual, Rev. 2", chapter 38 */ #include <stdlib.h> #include "cmsis.h" #include "fsl_trng.h" #include "trng_api.h" void trng_init(trng_t *obj) { (void)obj; trng_config_t trngConfig; TRNG_GetDefaultConfig(&trngConfig); TRNG_Init(TRNG0, &trngConfig); } void trng_free(trng_t *obj) { (void)obj; TRNG_Deinit(TRNG0); } int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length) { (void)obj; if(TRNG_GetRandomData(TRNG0, output, length) != kStatus_Success) return -1; *output_length = length; return 0; }