初始版本

2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
2974 changed files with 1712873 additions and 54 deletions
--- a/modules/nrfx/drivers/include/nrfx_rng.h
+++ b/modules/nrfx/drivers/include/nrfx_rng.h
@@ -0,0 +1,120 @@
+/**
+ * Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef NRFX_RNG_H__
+#define NRFX_RNG_H__
+
+#include <nrfx.h>
+#include <hal/nrf_rng.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup nrfx_rng RNG driver
+ * @{
+ * @ingroup nrf_rng
+ * @brief   Random Number Generator (RNG) peripheral driver.
+ */
+
+/** @brief Struct for RNG configuration. */
+typedef struct
+{
+    bool     error_correction : 1;  /**< Error correction flag. */
+    uint8_t  interrupt_priority;    /**< Interrupt priority. */
+} nrfx_rng_config_t;
+
+/**
+ * @brief RNG default configuration.
+ *        Basic usage:
+ *        @code
+ *            nrfx_rng_config_t config = NRFX_RNG_DEFAULT_CONFIG;
+ *            if (nrfx_rng_init(&config, handler)
+ *            { ...
+ *        @endcode
+ */
+#define NRFX_RNG_DEFAULT_CONFIG                             \
+{                                                           \
+    .error_correction   = NRFX_RNG_CONFIG_ERROR_CORRECTION, \
+    .interrupt_priority = NRFX_RNG_CONFIG_IRQ_PRIORITY,     \
+}
+
+/** @brief RNG driver event handler type. */
+typedef void (* nrfx_rng_evt_handler_t)(uint8_t rng_data);
+
+/**
+ * @brief Function for initializing the nrfx_rng module.
+ *
+ * @param[in] p_config Pointer to the structure with the initial configuration.
+ * @param[in] handler  Event handler provided by the user. Must not be NULL.
+ *
+ * @retval NRFX_SUCCESS                   Driver was successfully initialized.
+ * @retval NRFX_ERROR_ALREADY_INITIALIZED Driver was already initialized.
+ */
+nrfx_err_t nrfx_rng_init(nrfx_rng_config_t const * p_config, nrfx_rng_evt_handler_t handler);
+
+/**
+ * @brief Function for starting the generation of random values.
+ *
+ * New data should be handled by handler passed to the @ref nrfx_rng_init() function.
+ */
+void nrfx_rng_start(void);
+
+/**
+ * @brief Function for stopping the generation of random values.
+ *
+ * Function disables interrupts in peripheral and stops the generation of new random values.
+ */
+void nrfx_rng_stop(void);
+
+/** @brief Function for uninitializing the nrfx_rng module. */
+void nrfx_rng_uninit(void);
+
+/** @} */
+
+
+void nrfx_rng_irq_handler(void);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // NRFX_RNG_H__