wuzhenghui
89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include "soc/lpperi_struct.h"
|
|
#include "hal/lp_clkrst_ll.h"
|
|
|
|
#define RNG_LL_DEPENDS_ON_LP_PERIPH 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Enable or disable RNG sampling.
|
|
*
|
|
* @param enable True to enable, False to disable
|
|
*/
|
|
static inline void rng_ll_enable_sample(bool enable)
|
|
{
|
|
LPPERI.rng_cfg.rng_sample_enable = enable;
|
|
}
|
|
|
|
/**
|
|
* @brief Enable or disable rng xor rtc timer.
|
|
*
|
|
* @param enable True to enable, False to disable
|
|
*/
|
|
static inline void rng_ll_enable_rtc_timer(bool enable)
|
|
{
|
|
LPPERI.rng_cfg.rtc_timer_en = enable ? 0x3 : 0x0;
|
|
}
|
|
|
|
/**
|
|
* @brief Enable or disable rng xor async rng timer.
|
|
*
|
|
* @param enable True to enable, False to disable
|
|
*/
|
|
static inline void rng_ll_enable_rng_timer(bool enable)
|
|
{
|
|
LPPERI.rng_cfg.rng_timer_en = enable;
|
|
}
|
|
|
|
/**
|
|
* @brief Reset RNG.
|
|
*/
|
|
static inline void rng_ll_reset(void)
|
|
{
|
|
LPPERI.reset_en.lp_rng_reset_en = 1;
|
|
LPPERI.reset_en.lp_rng_reset_en = 0;
|
|
}
|
|
|
|
/**
|
|
* @brief Enable RNG module
|
|
*
|
|
* TODO: unify in rng_hal.c
|
|
*/
|
|
static inline void rng_ll_enable(void)
|
|
{
|
|
_lp_clkrst_ll_enable_rng_clock(true);
|
|
rng_ll_enable_sample(true);
|
|
rng_ll_enable_rtc_timer(true);
|
|
rng_ll_enable_rng_timer(true);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable RNG module
|
|
*
|
|
* TODO: unify in rng_hal.c
|
|
*/
|
|
static inline void rng_ll_disable(void)
|
|
{
|
|
rng_ll_enable_sample(false);
|
|
rng_ll_enable_rtc_timer(false);
|
|
rng_ll_enable_rng_timer(false);
|
|
_lp_clkrst_ll_enable_rng_clock(false);
|
|
}
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|