components/esp_eth/src/phy/esp_eth_phy_generic.c (ESP-IDF)

/* * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include <stdlib.h> #include "esp_log.h" #include "esp_check.h" #include "esp_eth.h" #include "esp_eth_phy_802_3.h" static const char *TAG = "eth_phy_generic"; // Default reset timing is intentionally conservative #define DEFAULT_PHY_GENERIC_RESET_ASSERTION_TIME_US 10000 #define DEFAULT_PHY_GENERIC_POST_RESET_DELAY_MS 500 esp_eth_phy_t *esp_eth_phy_new_generic(const eth_phy_config_t *config) { esp_eth_phy_t *ret = NULL; phy_802_3_t *phy_802_3 = calloc(1, sizeof(phy_802_3_t)); eth_phy_config_t phy_802_3_config = *config; // default chip specific configuration if not defined by user if (config->hw_reset_assert_time_us == 0) { phy_802_3_config.hw_reset_assert_time_us = DEFAULT_PHY_GENERIC_RESET_ASSERTION_TIME_US; } if (config->post_hw_reset_delay_ms == 0) { phy_802_3_config.post_hw_reset_delay_ms = DEFAULT_PHY_GENERIC_POST_RESET_DELAY_MS; } ESP_GOTO_ON_FALSE(esp_eth_phy_802_3_obj_config_init(phy_802_3, &phy_802_3_config) == ESP_OK, NULL, err, TAG, "configuration initialization of PHY 802.3 failed"); return &phy_802_3->parent; err: return ret; }