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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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117
components/drivers/hwcrypto/hw_crc.c Normal file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-25 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_crc.h>
/**
* @brief Creating CRC Context
*
* @param device Hardware crypto device
* @param mode Setting default mode or custom mode
*
* @return CRC context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_crc_create(struct rt_hwcrypto_device *device,
hwcrypto_crc_mode mode)
{
struct hwcrypto_crc *crc_ctx;
crc_ctx = (struct hwcrypto_crc *)rt_hwcrypto_ctx_create(device, HWCRYPTO_TYPE_CRC, sizeof(struct hwcrypto_crc));
if (crc_ctx == RT_NULL)
{
return RT_NULL;
}
switch (mode)
{
case HWCRYPTO_CRC_CRC8:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC8_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_CRC16:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC16_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_CRC32:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC32_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_CCITT:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC_CCITT_CFG;
crc_ctx->crc_cfg = temp;
break;
}
case HWCRYPTO_CRC_DNP:
{
struct hwcrypto_crc_cfg temp = HWCRYPTO_CRC_DNP_CFG;
crc_ctx->crc_cfg = temp;
break;
}
default:
break;
}
return &crc_ctx->parent;
}
/**
* @brief Destroy CRC Context
*
* @param ctx CRC context
*/
void rt_hwcrypto_crc_destroy(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_destroy(ctx);
}
/**
* @brief Processing a packet of data
*
* @param ctx CRC context
* @param input Data buffer to be Processed
* @param length Data Buffer length
*
* @return CRC value
*/
rt_uint32_t rt_hwcrypto_crc_update(struct rt_hwcrypto_ctx *ctx,
const rt_uint8_t *input,
rt_size_t length)
{
struct hwcrypto_crc *crc_ctx = (struct hwcrypto_crc *)ctx;
if (ctx && crc_ctx->ops->update)
{
return crc_ctx->ops->update(crc_ctx, input, length);
}
return 0;
}
/**
* @brief CRC context configuration
*
* @param ctx CRC context
* @param cfg CRC config
*/
void rt_hwcrypto_crc_cfg(struct rt_hwcrypto_ctx *ctx,
struct hwcrypto_crc_cfg *cfg)
{
if (cfg)
{
((struct hwcrypto_crc *)ctx)->crc_cfg = *cfg;
}
}