hpm_bkey_drv.h

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/*
 * Copyright (c) 2021 HPMicro
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */
 
#ifndef HPM_BKEY_DRV_H
#define HPM_BKEY_DRV_H
 
#include "hpm_common.h"
#include "hpm_bkey_regs.h"
 
typedef enum bkey_lock_type {
    bkey_lock_write = BKEY_ECC_WLOCK_MASK,
    bkey_lock_read = BKEY_ECC_RLOCK_MASK,
    bkey_lock_both = BKEY_ECC_RLOCK_MASK | BKEY_ECC_WLOCK_MASK,
} bkey_lock_type_t;
 
#ifdef __cplusplus
extern "C" {
#endif
 
static inline void bkey_set_key_data(BKEY_Type *ptr, uint8_t key, uint8_t start, uint32_t *data, uint8_t size)
{
    for (uint8_t i = 0; i < size; i++) {
        ptr->KEY[key].DATA[start + i] = *(data + i);
    }
}
 
static inline void bkey_get_key_data(BKEY_Type *ptr, uint8_t key, uint8_t start, uint32_t *data, uint8_t size)
{
    for (uint8_t i = 0; i < size; i++) {
        *(data + i) = ptr->KEY[key].DATA[start + i];
    }
}
 
static inline void bkey_lock(BKEY_Type *ptr, uint8_t key, bkey_lock_type_t lock, uint16_t ecc)
{
    ptr->ECC[key] = BKEY_ECC_ECC_SET(ecc) | lock;
}
 
static inline void bkey_select_key(BKEY_Type *ptr, uint8_t key)
{
    ptr->SELECT = BKEY_SELECT_SELECT_SET(key);
}
 
#ifdef __cplusplus
}
#endif
#endif /* HPM_BKEY_DRV_H */