Symbols ![]()
loading...
Files ![]()
loading...
esp_eth_phy_802_3_read_mmd_data() function
Read data of MDIO device's memory at address register
Syntax
esp_err_t esp_eth_phy_802_3_read_mmd_data(phy_802_3_t *phy_802_3,
uint8_t devaddr,
esp_eth_phy_802_3_mmd_func_t function,
uint32_t *data);
Implemented in ![]()
esp_eth_phy_802_3.c:607
Return value
- ESP_OK: Memory read successfully - ESP_FAIL: Memory read failed because of some error occurred - ESP_ERR_INVALID_ARG: Device address provided is out of range (hardware limits device address to 5 bits) or MMD access function is invalid
Related Functions
Found 27 other functions taking a ![]()
phy_802_3_t
argument:
Function
Description
Set MMD address to mmd_addr with function MMD_FUNC_NOINCR and read contents to *data
Set MMD address to mmd_addr with function MMD_FUNC_NOINCR and write data
Performs basic PHY chip initialization
Initializes configuration of parent IEEE 802.3 PHY object infostructure
Reads manufacturer’s model and revision number
Set Ethernet PHY loopback mode
Reads raw content of OUI field
Control autonegotiation mode of Ethernet PHY
Power control of Ethernet PHY
Set Ethernet PHY speed
Reset PHY
Write to DIO device's internal address register
Set Ethernet PHY address
Get Ethernet PHY address
Advertise pause function ability
Set Ethernet PHY link status
Hardware reset with internal timing configuration defined during initialization
Set Ethernet PHY duplex mode
Initialize Ethernet PHY
Power off Eternet PHY
Performs hardware reset with specific reset pin assertion time
Performs basic PHY chip de-initialization
Set Ethernet mediator
Retrieve link status and propagate the status to higher layers if the status changed
Write data to MDIO device's memory at address register
Delete Ethernet PHY infostructure
Reads MDIO device's internal address register