From 5853af76ee14f92bb2c8c6988ac6b501b8b6a029 Mon Sep 17 00:00:00 2001 From: Mahesh Mahadevan Date: Fri, 25 Jan 2019 18:52:02 -0600 Subject: [PATCH] MCUXpresso: Update LPC TRNG driver Signed-off-by: Mahesh Mahadevan --- .../TARGET_LPC55S69/trng_api.c | 47 +++++++++++++++++++ .../trng_api.c | 0 2 files changed, 47 insertions(+) create mode 100644 targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/trng_api.c rename targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/{TARGET_LPC => TARGET_MCU_LPC546XX}/trng_api.c (100%) diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/trng_api.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/trng_api.c new file mode 100644 index 0000000000..f47fba2478 --- /dev/null +++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/trng_api.c @@ -0,0 +1,47 @@ +/* mbed Microcontroller Library + * Copyright (c) 2018 ARM Limited + * + * 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 "trng_api.h" + +#if defined(DEVICE_TRNG) +#include "fsl_rng.h" + +void trng_init(trng_t *obj) +{ + /* Init RNGA */ + RNG_Init(RNG); +} + +void trng_free(trng_t *obj) +{ + RNG_Deinit(RNG); +} + +int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length) +{ + status_t status; + + /* Get Random data*/ + status = RNG_GetRandomData(RNG, output, length); + if (status == kStatus_Success) { + *output_length = length; + return 0; + } else { + return -1; + } +} + +#endif diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/trng_api.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MCU_LPC546XX/trng_api.c similarity index 100% rename from targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/trng_api.c rename to targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MCU_LPC546XX/trng_api.c