项目需要三个网口,准备其中两个使用FMC来驱动DM9000来实现,参照硬汉的DM9000驱动进行移植,移植到CMSIS-Driver时发现,对应CMSIS-Driver层的接口是一个控制块,此控制块全部都是函数接口,没有变量来传递上下文信息,这样就无法区分是那个DM9000,莫非两个DM9000要独立封装所有的接口函数?这也太不科学了吧?
[C] 纯文本查看 复制代码 /**
\brief Access structure of the Ethernet MAC Driver
*/
typedef struct _ARM_DRIVER_ETH_MAC {
ARM_DRIVER_VERSION (*GetVersion) (void); ///< Pointer to \ref ARM_ETH_MAC_GetVersion : Get driver version.
ARM_ETH_MAC_CAPABILITIES (*GetCapabilities) (void); ///< Pointer to \ref ARM_ETH_MAC_GetCapabilities : Get driver capabilities.
int32_t (*Initialize) (ARM_ETH_MAC_SignalEvent_t cb_event); ///< Pointer to \ref ARM_ETH_MAC_Initialize : Initialize Ethernet MAC Device.
int32_t (*Uninitialize) (void); ///< Pointer to \ref ARM_ETH_MAC_Uninitialize : De-initialize Ethernet MAC Device.
int32_t (*PowerControl) (ARM_POWER_STATE state); ///< Pointer to \ref ARM_ETH_MAC_PowerControl : Control Ethernet MAC Device Power.
int32_t (*GetMacAddress) ( ARM_ETH_MAC_ADDR *ptr_addr); ///< Pointer to \ref ARM_ETH_MAC_GetMacAddress : Get Ethernet MAC Address.
int32_t (*SetMacAddress) (const ARM_ETH_MAC_ADDR *ptr_addr); ///< Pointer to \ref ARM_ETH_MAC_SetMacAddress : Set Ethernet MAC Address.
int32_t (*SetAddressFilter)(const ARM_ETH_MAC_ADDR *ptr_addr, uint32_t num_addr); ///< Pointer to \ref ARM_ETH_MAC_SetAddressFilter : Configure Address Filter.
int32_t (*SendFrame) (const uint8_t *frame, uint32_t len, uint32_t flags); ///< Pointer to \ref ARM_ETH_MAC_SendFrame : Send Ethernet frame.
int32_t (*ReadFrame) ( uint8_t *frame, uint32_t len); ///< Pointer to \ref ARM_ETH_MAC_ReadFrame : Read data of received Ethernet frame.
uint32_t (*GetRxFrameSize) (void); ///< Pointer to \ref ARM_ETH_MAC_GetRxFrameSize : Get size of received Ethernet frame.
int32_t (*GetRxFrameTime) (ARM_ETH_MAC_TIME *time); ///< Pointer to \ref ARM_ETH_MAC_GetRxFrameTime : Get time of received Ethernet frame.
int32_t (*GetTxFrameTime) (ARM_ETH_MAC_TIME *time); ///< Pointer to \ref ARM_ETH_MAC_GetTxFrameTime : Get time of transmitted Ethernet frame.
int32_t (*ControlTimer) (uint32_t control, ARM_ETH_MAC_TIME *time); ///< Pointer to \ref ARM_ETH_MAC_ControlTimer : Control Precision Timer.
int32_t (*Control) (uint32_t control, uint32_t arg); ///< Pointer to \ref ARM_ETH_MAC_Control : Control Ethernet Interface.
int32_t (*PHY_Read) (uint8_t phy_addr, uint8_t reg_addr, uint16_t *data); ///< Pointer to \ref ARM_ETH_MAC_PHY_Read : Read Ethernet PHY Register through Management Interface.
int32_t (*PHY_Write) (uint8_t phy_addr, uint8_t reg_addr, uint16_t data); ///< Pointer to \ref ARM_ETH_MAC_PHY_Write : Write Ethernet PHY Register through Management Interface.
} const ARM_DRIVER_ETH_MAC;
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