mirror of
https://github.com/espressif/esp-idf.git
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251 lines
8.8 KiB
C
251 lines
8.8 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @file PHY init parameters and API
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*/
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/**
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* @brief Structure holding PHY init parameters
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*/
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typedef struct {
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uint8_t params[128]; /*!< opaque PHY initialization parameters */
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} esp_phy_init_data_t;
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/**
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* @brief Opaque PHY calibration data
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*/
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typedef struct {
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uint8_t version[4]; /*!< PHY version */
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uint8_t mac[6]; /*!< The MAC address of the station */
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uint8_t opaque[1894]; /*!< calibration data */
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} esp_phy_calibration_data_t;
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typedef enum {
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PHY_RF_CAL_PARTIAL = 0x00000000, /*!< Do part of RF calibration. This should be used after power-on reset. */
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PHY_RF_CAL_NONE = 0x00000001, /*!< Don't do any RF calibration. This mode is only suggested to be used after deep sleep reset. */
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PHY_RF_CAL_FULL = 0x00000002 /*!< Do full RF calibration. Produces best results, but also consumes a lot of time and current. Suggested to be used once. */
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} esp_phy_calibration_mode_t;
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/**
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* @brief Modules for modem sleep
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*/
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typedef enum{
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MODEM_BLE_MODULE, //!< BLE controller used
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MODEM_CLASSIC_BT_MODULE, //!< Classic BT controller used
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MODEM_WIFI_STATION_MODULE, //!< Wi-Fi Station used
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MODEM_WIFI_SOFTAP_MODULE, //!< Wi-Fi SoftAP used
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MODEM_WIFI_SNIFFER_MODULE, //!< Wi-Fi Sniffer used
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MODEM_WIFI_NULL_MODULE, //!< Wi-Fi Null mode used
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MODEM_USER_MODULE, //!< User used
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MODEM_MODULE_COUNT //!< Number of items
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}modem_sleep_module_t;
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/**
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* @brief Module WIFI mask for medem sleep
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*/
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#define MODEM_BT_MASK ((1<<MODEM_BLE_MODULE) | \
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(1<<MODEM_CLASSIC_BT_MODULE))
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/**
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* @brief Module WIFI mask for medem sleep
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*/
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#define MODEM_WIFI_MASK ((1<<MODEM_WIFI_STATION_MODULE) | \
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(1<<MODEM_WIFI_SOFTAP_MODULE) | \
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(1<<MODEM_WIFI_SNIFFER_MODULE) | \
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(1<<MODEM_WIFI_NULL_MODULE))
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/**
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* @brief Modules needing to call phy_rf_init
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*/
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typedef enum{
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PHY_BT_MODULE, //!< Bluetooth used
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PHY_WIFI_MODULE, //!< Wi-Fi used
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PHY_MODEM_MODULE, //!< Modem sleep used
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PHY_MODULE_COUNT //!< Number of items
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}phy_rf_module_t;
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/**
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* @brief Get PHY init data
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*
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* If "Use a partition to store PHY init data" option is set in menuconfig,
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* This function will load PHY init data from a partition. Otherwise,
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* PHY init data will be compiled into the application itself, and this function
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* will return a pointer to PHY init data located in read-only memory (DROM).
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*
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* If "Use a partition to store PHY init data" option is enabled, this function
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* may return NULL if the data loaded from flash is not valid.
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*
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* @note Call esp_phy_release_init_data to release the pointer obtained using
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* this function after the call to esp_wifi_init.
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*
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* @return pointer to PHY init data structure
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*/
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const esp_phy_init_data_t* esp_phy_get_init_data();
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/**
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* @brief Release PHY init data
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* @param data pointer to PHY init data structure obtained from
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* esp_phy_get_init_data function
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*/
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void esp_phy_release_init_data(const esp_phy_init_data_t* data);
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/**
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* @brief Function called by esp_phy_init to load PHY calibration data
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*
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* This is a convenience function which can be used to load PHY calibration
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* data from NVS. Data can be stored to NVS using esp_phy_store_cal_data_to_nvs
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* function.
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*
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* If calibration data is not present in the NVS, or
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* data is not valid (was obtained for a chip with a different MAC address,
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* or obtained for a different version of software), this function will
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* return an error.
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*
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* If "Initialize PHY in startup code" option is set in menuconfig, this
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* function will be used to load calibration data. To provide a different
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* mechanism for loading calibration data, disable
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* "Initialize PHY in startup code" option in menuconfig and call esp_phy_init
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* function from the application. For an example usage of esp_phy_init and
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* this function, see esp_phy_store_cal_data_to_nvs function in cpu_start.c
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*
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* @param out_cal_data pointer to calibration data structure to be filled with
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* loaded data.
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* @return ESP_OK on success
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*/
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esp_err_t esp_phy_load_cal_data_from_nvs(esp_phy_calibration_data_t* out_cal_data);
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/**
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* @brief Function called by esp_phy_init to store PHY calibration data
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*
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* This is a convenience function which can be used to store PHY calibration
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* data to the NVS. Calibration data is returned by esp_phy_init function.
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* Data saved using this function to the NVS can later be loaded using
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* esp_phy_store_cal_data_to_nvs function.
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*
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* If "Initialize PHY in startup code" option is set in menuconfig, this
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* function will be used to store calibration data. To provide a different
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* mechanism for storing calibration data, disable
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* "Initialize PHY in startup code" option in menuconfig and call esp_phy_init
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* function from the application.
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*
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* @param cal_data pointer to calibration data which has to be saved.
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* @return ESP_OK on success
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*/
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esp_err_t esp_phy_store_cal_data_to_nvs(const esp_phy_calibration_data_t* cal_data);
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/**
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* @brief Erase PHY calibration data which is stored in the NVS
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*
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* This is a function which can be used to trigger full calibration as a last-resort remedy
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* if partial calibration is used. It can be called in the application based on some conditions
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* (e.g. an option provided in some diagnostic mode).
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*
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* @return ESP_OK on success
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* @return others on fail. Please refer to NVS API return value error number.
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*/
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esp_err_t esp_phy_erase_cal_data_in_nvs(void);
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/**
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* @brief Initialize PHY and RF module
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*
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* PHY and RF module should be initialized in order to use WiFi or BT.
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* Now PHY and RF initializing job is done automatically when start WiFi or BT. Users should not
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* call this API in their application.
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*
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* @param init_data PHY parameters. Default set of parameters can
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* be obtained by calling esp_phy_get_default_init_data
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* function.
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* @param mode Calibration mode (Full, partial, or no calibration)
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* @param[inout] calibration_data
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* @return ESP_OK on success.
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* @return ESP_FAIL on fail.
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*/
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esp_err_t esp_phy_rf_init(const esp_phy_init_data_t* init_data,esp_phy_calibration_mode_t mode,
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esp_phy_calibration_data_t* calibration_data, phy_rf_module_t module);
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/**
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* @brief De-initialize PHY and RF module
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*
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* PHY module should be de-initialized in order to shutdown WiFi or BT.
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* Now PHY and RF de-initializing job is done automatically when stop WiFi or BT. Users should not
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* call this API in their application.
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*
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* @return ESP_OK on success.
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*/
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esp_err_t esp_phy_rf_deinit(phy_rf_module_t module);
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/**
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* @brief Load calibration data from NVS and initialize PHY and RF module
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*/
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void esp_phy_load_cal_and_init(phy_rf_module_t module);
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/**
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* @brief Enable WiFi/BT common clock
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*
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*/
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void esp_phy_common_clock_enable(void);
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/**
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* @brief Disable WiFi/BT common clock
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*
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*/
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void esp_phy_common_clock_disable(void);
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/**
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* @brief Module requires to enter modem sleep
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*/
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esp_err_t esp_modem_sleep_enter(modem_sleep_module_t module);
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/**
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* @brief Module requires to exit modem sleep
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*/
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esp_err_t esp_modem_sleep_exit(modem_sleep_module_t module);
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/**
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* @brief Register module to make it be able to require to enter/exit modem sleep
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* Although the module has no sleep function, as long as the module use RF,
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* it must call esp_modem_sleep_regsiter. Otherwise, other modules with sleep
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* function will disable RF without checking the module which doesn't call
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* esp_modem_sleep_regsiter.
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*/
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esp_err_t esp_modem_sleep_register(modem_sleep_module_t module);
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/**
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* @brief De-register module from modem sleep list
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*/
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esp_err_t esp_modem_sleep_deregister(modem_sleep_module_t module);
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/**
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* @brief Get the time stamp when PHY/RF was switched on
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* @return return 0 if PHY/RF is never switched on. Otherwise return time in
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* microsecond since boot when phy/rf was last switched on
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*/
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int64_t esp_phy_rf_get_on_ts(void);
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#ifdef __cplusplus
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}
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#endif
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