sub_get_product_id

Synopsis

int sub_mdio45( sub_handle hndl, int op, int prtad, int devad,

                                                         int data, int* content )

Generate IEEE 802.3 Clause 45 MDIO frame. Frame format is shown here: Clause 45 MDIO frame.

Parameters

•op - operation code

•prtad - 5 bit port address

•devad - 5 bit device address

•data - 16 bit address or data for ADDRESS or WRITE operation

•*content - 16 bit register content placeholder for READ or POST-READ-INCREMENT-ADDRESS operation

Return value

On success function returns 0. Otherwise error code.

Compatibility