kopia lustrzana https://github.com/espressif/esp-idf
250 wiersze
14 KiB
C
250 wiersze
14 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 "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 param_ver_id; /*!< init_data structure version */
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uint8_t crystal_select; /*!< 0: 40MHz, 1: 26 MHz, 2: 24 MHz, 3: auto */
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uint8_t wifi_rx_gain_swp_step_1; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_2; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_3; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_4; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_5; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_6; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_7; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_8; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_9; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_10; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_11; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_12; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_13; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_14; /*!< do not change */
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uint8_t wifi_rx_gain_swp_step_15; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_1; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_2; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_3; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_4; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_5; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_6; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_7; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_8; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_9; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_10; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_11; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_12; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_13; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_14; /*!< do not change */
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uint8_t bt_rx_gain_swp_step_15; /*!< do not change */
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uint8_t gain_cmp_1; /*!< do not change */
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uint8_t gain_cmp_6; /*!< do not change */
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uint8_t gain_cmp_11; /*!< do not change */
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uint8_t gain_cmp_ext2_1; /*!< do not change */
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uint8_t gain_cmp_ext2_6; /*!< do not change */
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uint8_t gain_cmp_ext2_11; /*!< do not change */
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uint8_t gain_cmp_ext3_1; /*!< do not change */
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uint8_t gain_cmp_ext3_6; /*!< do not change */
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uint8_t gain_cmp_ext3_11; /*!< do not change */
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uint8_t gain_cmp_bt_ofs_1; /*!< do not change */
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uint8_t gain_cmp_bt_ofs_6; /*!< do not change */
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uint8_t gain_cmp_bt_ofs_11; /*!< do not change */
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uint8_t target_power_qdb_0; /*!< 78 means target power is 78/4=19.5dbm */
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uint8_t target_power_qdb_1; /*!< 76 means target power is 76/4=19dbm */
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uint8_t target_power_qdb_2; /*!< 74 means target power is 74/4=18.5dbm */
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uint8_t target_power_qdb_3; /*!< 68 means target power is 68/4=17dbm */
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uint8_t target_power_qdb_4; /*!< 64 means target power is 64/4=16dbm */
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uint8_t target_power_qdb_5; /*!< 52 means target power is 52/4=13dbm */
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uint8_t target_power_index_mcs0; /*!< target power index is 0, means target power is target_power_qdb_0 19.5dbm; (1m,2m,5.5m,11m,6m,9m) */
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uint8_t target_power_index_mcs1; /*!< target power index is 0, means target power is target_power_qdb_0 19.5dbm; (12m) */
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uint8_t target_power_index_mcs2; /*!< target power index is 1, means target power is target_power_qdb_1 19dbm; (18m) */
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uint8_t target_power_index_mcs3; /*!< target power index is 1, means target power is target_power_qdb_1 19dbm; (24m) */
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uint8_t target_power_index_mcs4; /*!< target power index is 2, means target power is target_power_qdb_2 18.5dbm; (36m) */
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uint8_t target_power_index_mcs5; /*!< target power index is 3, means target power is target_power_qdb_3 17dbm; (48m) */
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uint8_t target_power_index_mcs6; /*!< target power index is 4, means target power is target_power_qdb_4 16dbm; (54m) */
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uint8_t target_power_index_mcs7; /*!< target power index is 5, means target power is target_power_qdb_5 13dbm */
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uint8_t pwr_ind_11b_en; /*!< 0: 11b power is same as mcs0 and 6m, 1: 11b power different with OFDM */
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uint8_t pwr_ind_11b_0; /*!< 1m, 2m power index [0~5] */
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uint8_t pwr_ind_11b_1; /*!< 5.5m, 11m power index [0~5] */
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uint8_t chan_backoff_en; /*!< 0: channel backoff disable, 1:channel backoff enable */
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uint8_t chan1_power_backoff_qdb; /*!< 4 means backoff is 1db */
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uint8_t chan2_power_backoff_qdb; /*!< see chan1_power_backoff_qdb */
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uint8_t chan3_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan4_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan5_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan6_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan7_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan8_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan9_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan10_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan11_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan12_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan13_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan14_power_backoff_qdb; /*!< chan1_power_backoff_qdb */
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uint8_t chan1_rate_backoff_index; /*!< if bit i is set, backoff data rate is target_power_qdb_i */
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uint8_t chan2_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan3_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan4_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan5_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan6_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan7_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan8_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan9_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan10_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan11_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan12_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan13_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t chan14_rate_backoff_index; /*!< see chan1_rate_backoff_index */
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uint8_t spur_freq_cfg_msb_1; /*!< first spur: */
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uint8_t spur_freq_cfg_1; /*!< spur_freq_cfg = (spur_freq_cfg_msb_1 <<8) | spur_freq_cfg_1 */
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uint8_t spur_freq_cfg_div_1; /*!< spur_freq=spur_freq_cfg/spur_freq_cfg_div_1 */
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uint8_t spur_freq_en_h_1; /*!< the seventh bit for total enable */
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uint8_t spur_freq_en_l_1; /*!< each bit for 1 channel, and use [spur_freq_en_h, spur_freq_en_l] to select the spur's channel priority */
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uint8_t spur_freq_cfg_msb_2; /*!< second spur: */
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uint8_t spur_freq_cfg_2; /*!< spur_freq_cfg = (spur_freq_cfg_msb_2 <<8) | spur_freq_cfg_2 */
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uint8_t spur_freq_cfg_div_2; /*!< spur_freq=spur_freq_cfg/spur_freq_cfg_div_2 */
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uint8_t spur_freq_en_h_2; /*!< the seventh bit for total enable */
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uint8_t spur_freq_en_l_2; /*!< each bit for 1 channel, and use [spur_freq_en_h, spur_freq_en_l] to select the spur's channel priority */
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uint8_t spur_freq_cfg_msb_3; /*!< third spur: */
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uint8_t spur_freq_cfg_3; /*!< spur_freq_cfg = (spur_freq_cfg_msb_3 <<8) | spur_freq_cfg_3 */
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uint8_t spur_freq_cfg_div_3; /*!< spur_freq=spur_freq_cfg/spur_freq_cfg_div_3 */
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uint8_t spur_freq_en_h_3; /*!< the seventh bit for total enable */
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uint8_t spur_freq_en_l_3; /*!< each bit for 1 channel, and use [spur_freq_en_h, spur_freq_en_l] to select the spur's channel priority, */
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uint8_t reserved[23]; /*!< reserved for future expansion */
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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 opaque[1904]; /*!< 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 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 do_phy_init 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 Initialize PHY module
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*
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* PHY module should be initialized in order to use WiFi or BT.
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* If "Initialize PHY in startup code" option is set in menuconfig,
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* this function will be called automatically before app_main is called,
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* using parameters obtained from esp_phy_get_init_data.
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*
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* Applications which don't need to enable PHY on every start up should
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* disable this menuconfig option and call esp_phy_init before calling
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* esp_wifi_init or esp_bt_controller_init. See do_phy_init function in
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* cpu_start.c for an example of using this function.
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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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*/
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esp_err_t esp_phy_init(const esp_phy_init_data_t* init_data,
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esp_phy_calibration_mode_t mode, esp_phy_calibration_data_t* calibration_data);
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#ifdef __cplusplus
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}
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#endif
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