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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
Diff: mbed-os/targets/TARGET_NUVOTON/TARGET_NUC472/crypto/crypto-misc.h
- Revision:
- 0:8fdf9a60065b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os/targets/TARGET_NUVOTON/TARGET_NUC472/crypto/crypto-misc.h Wed Oct 10 00:33:53 2018 +0000 @@ -0,0 +1,86 @@ +/* mbed Microcontroller Library + * Copyright (c) 2015-2016 Nuvoton + * + * 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. + */ + +#ifndef MBED_CRYPTO_MISC_H +#define MBED_CRYPTO_MISC_H + +#include <stdbool.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* Init/Uninit crypto module */ +void crypto_init(void); +void crypto_uninit(void); + +/* Clear buffer to zero + * Implementation that should never be optimized out by the compiler */ +void crypto_zeroize(void *v, size_t n); + +/* Acquire/release ownership of AES H/W */ +/* NOTE: If "acquire" succeeds, "release" must be done to pair it. */ +bool crypto_aes_acquire(void); +void crypto_aes_release(void); + +/* Acquire/release ownership of DES H/W */ +/* NOTE: If "acquire" succeeds, "release" must be done to pair it. */ +bool crypto_des_acquire(void); +void crypto_des_release(void); + +/* Acquire/release ownership of SHA H/W */ +/* NOTE: If "acquire" succeeds, "release" must be done to pair it. */ +bool crypto_sha_acquire(void); +void crypto_sha_release(void); + +/* Flow control between crypto/xxx start and crypto/xxx ISR + * + * crypto_xxx_prestart/crypto_xxx_wait encapsulate control flow between crypto/xxx start and crypto/xxx ISR. + * + * crypto_xxx_prestart will also address synchronization issue with memory barrier instruction. + * + * On finish, return of crypto_xxx_wait indicates success or not: + * true if successful + * false if failed + * + * Example: Start AES H/W and wait for its finish + * crypto_aes_prestart(); + * AES_Start(); + * crypto_aes_wait(); + */ +void crypto_prng_prestart(void); +bool crypto_prng_wait(void); +void crypto_aes_prestart(void); +bool crypto_aes_wait(void); +void crypto_des_prestart(void); +bool crypto_des_wait(void); + + +/* Check if buffer can be used for crypto DMA. It has the following requirements: + * (1) Word-aligned buffer base address + * (2) Crypto submodule (AES, DES, SHA, etc.) dependent buffer size alignment. Must be 2 power. + * (3) Located in 0x20000000-0x2FFFFFFF region + */ +bool crypto_dma_buff_compat(const void *buff, size_t buff_size, size_t size_aligned_to); + +/* Check if input/output buffers are overlapped */ +bool crypto_dma_buffs_overlap(const void *in_buff, size_t in_buff_size, const void *out_buff, size_t out_buff_size); + +#ifdef __cplusplus +} +#endif + +#endif