mirror of
https://github.com/sle118/squeezelite-esp32.git
synced 2025-12-09 04:57:06 +03:00
76 lines
3.0 KiB
C
76 lines
3.0 KiB
C
#include "esp_eth.h"
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#include "network_ethernet.h"
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static EXT_RAM_ATTR network_ethernet_driver_t W5500;
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static EXT_RAM_ATTR spi_device_interface_config_t devcfg;
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static EXT_RAM_ATTR esp_netif_config_t cfg_spi;
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static EXT_RAM_ATTR esp_netif_inherent_config_t esp_netif_config;
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static EXT_RAM_ATTR gpio_num_t rst = -1;
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static esp_err_t reset_hw(esp_eth_phy_t *phy)
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{
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// set reset_gpio_num to a negative value can skip hardware reset phy chip
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if (rst >= 0) {
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esp_rom_gpio_pad_select_gpio_x(rst);
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gpio_set_direction_x(rst, GPIO_MODE_OUTPUT);
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gpio_set_level_x(rst, 0);
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esp_rom_delay_us(100); // insert min input assert time
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gpio_set_level_x(rst, 1);
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}
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return ESP_OK;
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}
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static esp_err_t start(spi_device_handle_t spi_handle, sys_dev_eth_config * ethernet_config) {
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#ifdef CONFIG_ETH_SPI_ETHERNET_W5500
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eth_w5500_config_t eth_config = ETH_W5500_DEFAULT_CONFIG(spi_handle);
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG();
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
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eth_config.int_gpio_num = ethernet_config->ethType.spi.intr;
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phy_config.phy_addr = -1; // let the system automatically find out the phy address
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rst = ethernet_config->common.rst;
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phy_config.reset_gpio_num = rst;
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esp_eth_mac_t* mac = esp_eth_mac_new_w5500(ð_config, &mac_config);
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esp_eth_phy_t* phy = esp_eth_phy_new_w5500(&phy_config);
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phy->reset_hw = reset_hw;
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esp_eth_config_t config = ETH_DEFAULT_CONFIG(mac, phy);
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return esp_eth_driver_install(&config, &W5500.handle);
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#else
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return ESP_ERR_NOT_SUPPORTED;
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#endif
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}
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static void init_config(sys_dev_eth_config * ethernet_config) {
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// This function is called when the network interface is started
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// and performs any initialization that requires a valid ethernet
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// configuration .
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esp_netif_inherent_config_t loc_esp_netif_config = ESP_NETIF_INHERENT_DEFAULT_ETH();
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devcfg.command_bits = 16; // Actually it's the address phase in W5500 SPI frame
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devcfg.address_bits = 8; // Actually it's the control phase in W5500 SPI frame
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devcfg.mode = 0;
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devcfg.clock_speed_hz = ethernet_config->ethType.spi.speed > 0 ? ethernet_config->ethType.spi.speed : SPI_MASTER_FREQ_20M; // default speed
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devcfg.queue_size = 20;
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devcfg.spics_io_num = ethernet_config->ethType.spi.cs;
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memcpy(&esp_netif_config, &loc_esp_netif_config, sizeof(loc_esp_netif_config));
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cfg_spi.base = &esp_netif_config,
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cfg_spi.stack = ESP_NETIF_NETSTACK_DEFAULT_ETH;
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W5500.cfg_netif = &cfg_spi;
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W5500.devcfg = &devcfg;
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W5500.start = start;
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}
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network_ethernet_driver_t* W5500_Detect(sys_dev_eth_config * ethernet_config) {
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if (ethernet_config->common.model != sys_dev_eth_models_W5500 ||
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ethernet_config->which_ethType != sys_dev_eth_config_spi_tag )
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return NULL;
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W5500.init_config = init_config;
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W5500.spi = true;
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W5500.rmii = false;
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W5500.model = ethernet_config->common.model;
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#ifdef CONFIG_ETH_SPI_ETHERNET_W5500
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W5500.valid = true;
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#else
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W5500.valid = false;
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#endif
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return &W5500;
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}
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