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rework after directory moves

pull/2611/head
adustm 2016-10-06 10:51:33 +02:00
parent e189bc7cc8
commit bda200e814
4 changed files with 6 additions and 240 deletions
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80
hal/targets/hal/TARGET_STM/TARGET_STM32L0/trng_api.c
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@ -1,80 +0,0 @@
/*
* Hardware entropy collector for the STM32L0 family
*
* Copyright (C) 2006-2016, 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.
*
*/
#if defined(DEVICE_TRNG)
#if defined (TARGET_STM32L052xx) || defined (TARGET_STM32L053xx) || defined (TARGET_STM32L062xx) || defined (TARGET_STM32L063xx) || \
defined (TARGET_STM32L072xx) || defined (TARGET_STM32L073xx) || defined (TARGET_STM32L082xx) || defined (TARGET_STM32L083xx)
#include <stdlib.h>
#include "cmsis.h"
#include "trng_api.h"
/** trng_get_byte
* @brief Get one byte of entropy from the RNG, assuming it is up and running.
* @param obj TRNG obj
* @param pointer to the hardware generated random byte.
*/
static void trng_get_byte(trng_t *obj, unsigned char *byte )
{
*byte = (unsigned char)HAL_RNG_GetRandomNumber(&obj->handle);
}
void trng_init(trng_t *obj)
{
/* RNG Peripheral clock enable */
__HAL_RCC_RNG_CLK_ENABLE();
/* Initialize RNG instance */
obj->handle.Instance = RNG;
HAL_RNG_Init(&obj->handle);
}
void trng_free(trng_t *obj)
{
/*Disable the RNG peripheral */
HAL_RNG_DeInit(&obj->handle);
/* RNG Peripheral clock disable - assume we're the only users of RNG */
__HAL_RCC_RNG_CLK_DISABLE();
}
int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{
int ret;
/* Get Random byte */
for( uint32_t i = 0; i < length; i++ ){
trng_get_byte(obj, output + i );
}
*output_length = length;
/* Just be extra sure that we didn't do it wrong */
if( ( __HAL_RNG_GET_FLAG(&obj->handle, (RNG_FLAG_CECS | RNG_FLAG_SECS)) ) != 0 ) {
ret = -1;
} else {
ret = 0;
}
return( ret );
}
#endif /* STM32L073RZ */
#endif

82
targets/TARGET_STM/TARGET_STM32F4/trng_api.c
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@ -1,82 +0,0 @@
/*
* Hardware entropy collector for the STM32F4 family
*
* Copyright (C) 2006-2016, 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.
*
*/
#if defined(DEVICE_TRNG)
#if defined(TARGET_STM32F405xx) || defined(TARGET_STM32F415xx) || defined(TARGET_STM32F407xx) || defined(TARGET_STM32F417xx) ||\
defined(TARGET_STM32F427xx) || defined(TARGET_STM32F437xx) || defined(TARGET_STM32F429xx) || defined(TARGET_STM32F439xx) ||\
defined(TARGET_STM32F410Tx) || defined(TARGET_STM32F410Cx) || defined(TARGET_STM32F410Rx) || defined(TARGET_STM32F469xx) ||\
defined(TARGET_STM32F479xx)
#include <stdlib.h>
#include "cmsis.h"
#include "trng_api.h"
/** trng_get_byte
* @brief Get one byte of entropy from the RNG, assuming it is up and running.
* @param obj TRNG obj
* @param pointer to the hardware generated random byte.
*/
static void trng_get_byte(trng_t *obj, unsigned char *byte )
{
*byte = (unsigned char)HAL_RNG_GetRandomNumber(&obj->handle);
}
void trng_init(trng_t *obj)
{
/* RNG Peripheral clock enable */
__HAL_RCC_RNG_CLK_ENABLE();
/* Initialize RNG instance */
obj->handle.Instance = RNG;
HAL_RNG_Init(&obj->handle);
}
void trng_free(trng_t *obj)
{
/*Disable the RNG peripheral */
HAL_RNG_DeInit(&obj->handle);
/* RNG Peripheral clock disable - assume we're the only users of RNG */
__HAL_RCC_RNG_CLK_DISABLE();
}
int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{
int ret;
/* Get Random byte */
for( uint32_t i = 0; i < length; i++ ){
trng_get_byte(obj, output + i );
}
*output_length = length;
/* Just be extra sure that we didn't do it wrong */
if( ( __HAL_RNG_GET_FLAG(&obj->handle, (RNG_FLAG_CECS | RNG_FLAG_SECS)) ) != 0 ) {
ret = -1;
} else {
ret = 0;
}
return( ret );
}
#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\
STM32F429xx || STM32F439xx || STM32F410xx || STM32F469xx || STM32F479xx */
#endif

76
targets/TARGET_STM/TARGET_STM32F7/trng_api.c
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@ -1,76 +0,0 @@
/*
* Hardware entropy collector for the STM32F7 family
*
* Copyright (C) 2006-2016, 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.
*
*/
#if defined(DEVICE_TRNG)
#include <stdlib.h>
#include "cmsis.h"
#include "trng_api.h"
/** trng_get_byte
* @brief Get one byte of entropy from the RNG, assuming it is up and running.
* @param obj TRNG obj
* @param pointer to the hardware generated random byte.
*/
static void trng_get_byte(trng_t *obj, unsigned char *byte )
{
*byte = (unsigned char)HAL_RNG_GetRandomNumber(&obj->handle);
}
void trng_init(trng_t *obj)
{
/* RNG Peripheral clock enable */
__HAL_RCC_RNG_CLK_ENABLE();
/* Initialize RNG instance */
obj->handle.Instance = RNG;
HAL_RNG_Init(&obj->handle);
}
void trng_free(trng_t *obj)
{
/*Disable the RNG peripheral */
HAL_RNG_DeInit(&obj->handle);
/* RNG Peripheral clock disable - assume we're the only users of RNG */
__HAL_RCC_RNG_CLK_DISABLE();
}
int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{
int ret;
/* Get Random byte */
for( uint32_t i = 0; i < length; i++ ){
trng_get_byte(obj, output + i );
}
*output_length = length;
/* Just be extra sure that we didn't do it wrong */
if( ( __HAL_RNG_GET_FLAG(&obj->handle, (RNG_FLAG_CECS | RNG_FLAG_SECS)) ) != 0 ) {
ret = -1;
} else {
ret = 0;
}
return( ret );
}
#endif

8
hal/targets/hal/TARGET_STM/TARGET_STM32L4/trng_api.c → targets/TARGET_STM/trng_api.c
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@ -1,5 +1,5 @@
/* /*
* Hardware entropy collector for the STM32L4 family * Hardware entropy collector for the STM32 families
* *
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved * Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
@ -36,12 +36,14 @@ static void trng_get_byte(trng_t *obj, unsigned char *byte )
void trng_init(trng_t *obj) void trng_init(trng_t *obj)
{ {
#if defined(TARGET_STM32L4)
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
/*Select PLLQ output as RNG clock source */ /*Select PLLQ output as RNG clock source */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RNG; PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RNG;
PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_PLL; PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_PLL;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
#endif
/* RNG Peripheral clock enable */ /* RNG Peripheral clock enable */
__HAL_RCC_RNG_CLK_ENABLE(); __HAL_RCC_RNG_CLK_ENABLE();
@ -50,6 +52,9 @@ void trng_init(trng_t *obj)
obj->handle.Instance = RNG; obj->handle.Instance = RNG;
HAL_RNG_Init(&obj->handle); HAL_RNG_Init(&obj->handle);
/* first random number generated after setting the RNGEN bit should not be used */
HAL_RNG_GetRandomNumber(&obj->handle);
} }
void trng_free(trng_t *obj) void trng_free(trng_t *obj)
@ -80,5 +85,4 @@ int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_l
return( ret ); return( ret );
} }
#endif #endif