151 lines
4.2 KiB
C
151 lines
4.2 KiB
C
/* ethernet Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "esp_err.h"
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#include "esp_event_loop.h"
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#include "esp_event.h"
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#include "esp_attr.h"
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#include "esp_log.h"
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#include "esp_eth.h"
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#include "rom/ets_sys.h"
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#include "rom/gpio.h"
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#include "soc/dport_reg.h"
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#include "soc/io_mux_reg.h"
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#include "soc/rtc_cntl_reg.h"
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#include "soc/gpio_reg.h"
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#include "soc/gpio_sig_map.h"
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#include "tcpip_adapter.h"
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#include "nvs_flash.h"
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#include "driver/gpio.h"
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#include "tlk110_phy.h"
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static const char *TAG = "eth_demo";
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#define DEFAULT_PHY_CONFIG (AUTO_MDIX_ENABLE|AUTO_NEGOTIATION_ENABLE|AN_1|AN_0|LED_CFG)
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void phy_tlk110_check_phy_init(void)
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{
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while((esp_eth_smi_read(BASIC_MODE_STATUS_REG) & AUTO_NEGOTIATION_COMPLETE ) != AUTO_NEGOTIATION_COMPLETE)
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{};
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while((esp_eth_smi_read(PHY_STATUS_REG) & AUTO_NEGTIATION_STATUS ) != AUTO_NEGTIATION_STATUS)
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{};
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while((esp_eth_smi_read(CABLE_DIAGNOSTIC_CONTROL_REG) & DIAGNOSTIC_DONE ) != DIAGNOSTIC_DONE)
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{};
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}
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eth_speed_mode_t phy_tlk110_get_speed_mode(void)
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{
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if((esp_eth_smi_read(PHY_STATUS_REG) & SPEED_STATUS ) != SPEED_STATUS) {
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return ETH_SPEED_MODE_100M;
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} else {
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return ETH_SPEED_MODE_10M;
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}
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}
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eth_duplex_mode_t phy_tlk110_get_duplex_mode(void)
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{
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if((esp_eth_smi_read(PHY_STATUS_REG) & DUPLEX_STATUS ) == DUPLEX_STATUS) {
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return ETH_MDOE_FULLDUPLEX;
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} else {
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return ETH_MODE_HALFDUPLEX;
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}
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}
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bool phy_tlk110_check_phy_link_status(void)
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{
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return ((esp_eth_smi_read(BASIC_MODE_STATUS_REG) & LINK_STATUS) == LINK_STATUS );
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}
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void phy_tlk110_init(void)
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{
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esp_eth_smi_write(PHY_RESET_CONTROL_REG, SOFTWARE_RESET);
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while (esp_eth_smi_read(PHY_IDENTIFIER_REG) != OUI_MSB_21TO6_DEF) {
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}
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esp_eth_smi_write(SOFTWARE_STAP_CONTROL_REG, DEFAULT_PHY_CONFIG |SW_STRAP_CONFIG_DONE);
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ets_delay_us(300);
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}
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void eth_gpio_config_rmii(void)
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{
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//txd0 to gpio19 ,can not change
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PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO19_U, FUNC_GPIO19_EMAC_TXD0);
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//tx_en to gpio21 ,can not change
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PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO21_U, FUNC_GPIO21_EMAC_TX_EN);
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//txd1 to gpio22 , can not change
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PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO22_U, FUNC_GPIO22_EMAC_TXD1);
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//rxd0 to gpio25 , can not change
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gpio_set_direction(25, GPIO_MODE_INPUT);
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//rxd1 to gpio26 ,can not change
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gpio_set_direction(26, GPIO_MODE_INPUT);
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//rmii clk ,can not change
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gpio_set_direction(0, GPIO_MODE_INPUT);
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//mdc to gpio4
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gpio_matrix_out(4, EMAC_MDC_O_IDX, 0, 0);
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//mdio to gpio2
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gpio_matrix_out(2, EMAC_MDO_O_IDX, 0, 0);
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gpio_matrix_in(2, EMAC_MDI_I_IDX, 0);
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}
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void eth_task(void *pvParameter)
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{
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tcpip_adapter_ip_info_t ip;
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memset(&ip, 0, sizeof(tcpip_adapter_ip_info_t));
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vTaskDelay(2000 / portTICK_PERIOD_MS);
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while (1) {
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vTaskDelay(2000 / portTICK_PERIOD_MS);
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if (tcpip_adapter_get_ip_info(ESP_IF_ETH, &ip) == 0) {
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ESP_LOGI(TAG, "\n~~~~~~~~~~~\n");
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ESP_LOGI(TAG, "ETHIP:"IPSTR, IP2STR(&ip.ip));
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ESP_LOGI(TAG, "ETHPMASK:"IPSTR, IP2STR(&ip.netmask));
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ESP_LOGI(TAG, "ETHPGW:"IPSTR, IP2STR(&ip.gw));
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ESP_LOGI(TAG, "\n~~~~~~~~~~~\n");
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}
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}
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}
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void app_main()
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{
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esp_err_t ret = ESP_OK;
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tcpip_adapter_init();
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esp_event_loop_init(NULL, NULL);
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eth_config_t config;
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config.phy_addr = PHY31;
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config.mac_mode = ETH_MODE_RMII;
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config.phy_init = phy_tlk110_init;
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config.gpio_config = eth_gpio_config_rmii;
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config.tcpip_input = tcpip_adapter_eth_input;
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config.phy_check_init = phy_tlk110_check_phy_init;
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config.phy_check_link = phy_tlk110_check_phy_link_status;
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config.phy_get_speed_mode = phy_tlk110_get_speed_mode;
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config.phy_get_duplex_mode = phy_tlk110_get_duplex_mode;
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ret = esp_eth_init(&config);
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if(ret == ESP_OK) {
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esp_eth_enable();
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xTaskCreate(eth_task, "eth_task", 2048, NULL, (tskIDLE_PRIORITY + 2), NULL);
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}
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}
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