ESP32 Forum

Posted: **Thu Mar 28, 2019 4:39 pm**

Hello

our board is similar to OLIMEX ESP32-EVB. It use LAN8710 chip
The problem is that we cannot receive IP

Output log on ESP32-EVB is:

Code: Untitled.txt Select all

TYPE LAN8720 OK

INITIALIZED OK

ENABLED OK

ETH Started Event raised

ETH Connected Event raised

ETH GOT IP Event raised

ETH MAC: 24:0A:C4:9E:F0:3F, IPv4: 10.0.30.92, FULL_DUPLEX, 100Mbps

Output log on our board is:

Code: Untitled.txt Select all

TYPE LAN8720 OK

INITIALIZED OK

ENABLED OK

ETH Started Event raised

ETH Connected Event raised

On Emac_RXD1 pin I can see signal
I would change original code line for LAN8720:

Code: Untitled.cpp Select all

extern const eth_config_t phy_lan8720_default_ethernet_config;

with new one for LAN8710 but I don't know how to do.
I have found this OLIMEX code but it not compile.
Could you help me?
Thanks

Code: Untitled.cpp Select all

const eth_config_t phy_lan8710_default_ethernet_config = {



    .phy_addr = 0,

    .mac_mode = ETH_MODE_RMII,

    .clock_mode = ETH_CLOCK_GPIO0_IN,

    .flow_ctrl_enable = true,

    .phy_init = phy_lan8710_init,

    .phy_check_init = phy_lan8710_check_phy_init,

    .phy_power_enable = phy_lan8710_power_enable,

    .phy_check_link = phy_mii_check_link_status,

    .phy_get_speed_mode = phy_lan8710_get_speed_mode,

    .phy_get_duplex_mode = phy_lan8710_get_duplex_mode,

    .phy_get_partner_pause_enable = phy_mii_get_partner_pause_enable,

};

Code: Untitled.cpp Select all

void phy_lan8710_init(void)

{



    esp_eth_smi_write(MII_BASIC_MODE_CONTROL_REG, MII_SOFTWARE_RESET);

    while(esp_eth_smi_read(MII_BASIC_MODE_CONTROL_REG) & 0x8000);



    esp_eth_smi_write(MII_BASIC_MODE_CONTROL_REG, 0x3100);

    esp_eth_smi_write(MII_AUTO_NEG_ADVERTISEMENT_REG, 0x01E1);



    esp_err_t res1, res2;

    do {

        // Call esp_eth_smi_wait_value() with a timeout so it prints an error periodically

        res1 = esp_eth_smi_wait_value(MII_PHY_IDENTIFIER_1_REG, LAN8710_PHY_ID1, UINT16_MAX, 1000);

        res2 = esp_eth_smi_wait_value(MII_PHY_IDENTIFIER_2_REG, LAN8710_PHY_ID2, LAN8710_PHY_ID2_MASK, 1000);

    } while(res1 != ESP_OK || res2 != ESP_OK);



#if 0

    esp_eth_smi_write(SW_STRAP_CONTROL_REG,

                      DEFAULT_STRAP_CONFIG | SW_STRAP_CONFIG_DONE);

#endif



    ets_delay_us(300);



    // TODO: only enable if config.flow_ctrl_enable == true

    phy_mii_enable_flow_ctrl();

}

ESP32 Forum

Cannot get IP

Cannot get IP