> +#define REG_STDR_RESET 0x00000003 This appears to be a standard register, so you should not need to define it here. > +#define REG_MAC_ADDR_BO 0x00010022 > +#define REG_MAC_ADDR_L 0x00010024 > +#define REG_MAC_ADDR_H 0x00010025 > +#define REG_MAC_NW_CTRL 0x00010000 > +#define REG_MAC_NW_CONFIG 0x00010001 > +#define REG_MAC_HASHL 0x00010020 > +#define REG_MAC_HASHH 0x00010021 > +#define REG_MAC_ADDR_BO 0x00010022 > +#define REG_MAC_ADDR_L 0x00010024 > +#define REG_MAC_ADDR_H 0x00010025 > + > +#define CCS_Q0_TX_CFG 0x000A0081 > +#define CCS_Q0_RX_CFG 0x000A0082 These are proprietary vendor registers, so please add a prefix to make this clear. Andrew