cs8900.h

avr cpu 库源代码 对avr单片机编程很有帮助

#define EEPROM_WRITE_EN      0x00F0
#define EEPROM_WRITE_DIS     0x0000
#define EEPROM_WRITE_CMD     0x0100
#define EEPROM_READ_CMD      0x0200

// Receive Header of each packet in receive area of memory for DMA-Mode
#define RBUF_EVENT_LOW       0x0000              // Low byte of RxEvent
#define RBUF_EVENT_HIGH      0x0001              // High byte of RxEvent
#define RBUF_LEN_LOW         0x0002              // Length of received data - low byte
#define RBUF_LEN_HI          0x0003              // Length of received data - high byte
#define RBUF_HEAD_LEN        0x0004              // Length of this header

// typedefs

// constants

// prototypes

#include "nic.h"

unsigned int cs8900BeginPacketRetreive(void);
void cs8900RetreivePacketData(u08* packet, unsigned int packetLength);
void cs8900EndPacketRetreive(void);


void cs8900Init(void);
void cs8900Write(unsigned char address, unsigned char data);
unsigned char cs8900Read(unsigned char address);

void cs8900Write16(unsigned char address, unsigned short data);
unsigned short cs8900Read16(unsigned char address);

void cs8900WriteReg(unsigned short address, unsigned short data);
unsigned short cs8900ReadReg(unsigned short address);

void cs8900CopyToFrame(unsigned char *source, unsigned short size);
void cs8900CopyFromFrame(unsigned char *dest, unsigned short size);

u08 cs8900LinkStatus(void);

void cs8900IORegDump(void);
void cs8900RegDump(void);

#endif
//@}


/****************

// CS8900 device register definitions

// Crystal ESIA product id.

#define CS8900_ESIA_ID             (0x630e)

//IO Registers.
#define CS8900_IO_RX_TX_DATA_PORT0 (0x0000)
#define CS8900_IO_TX_TX_DATA_PORT1 (0x0002)
#define CS8900_IO_TxCMD            (0x0004)
#define CS8900_IO_TxLength         (0x0006)
#define CS8900_IO_ISQ              (0x0008)
#define CS8900_IO_PACKET_PAGE_PTR  (0x000a)
#define CS8900_IO_PP_DATA_PORT0    (0x000c)
#define CS8900_IO_PP_DATA_PORT1    (0x000e)

 * Packet Page Registers.

 * Bus Interface Registers.

#define CS8900_PP_PROD_ID          (0x0000)
#define CS8900_PP_IO_BASE          (0x0020)
#define CS8900_PP_INT              (0x0022)
#define CS8900_PP_DMA_CHANNEL      (0x0024)
#define CS8900_PP_DMA_SOF          (0x0026)
#define CS8900_PP_DMA_FRM_CNT      (0x0028)
#define CS8900_PP_DMA_RX_BCNT      (0x002a)
#define CS8900_PP_MEM_BASE         (0x002c)
#define CS8900_PP_BPROM_BASE       (0x0030)
#define CS8900_PP_BPROM_AMASK      (0x0034)
#define CS8900_PP_EEPROM_CMD       (0x0040)
#define CS8900_PP_EEPROM_DATA      (0x0042)
#define CS8900_PP_RX_FRAME_BCNT    (0x0050)

 * Configuration and Control Registers.

#define CS8900_PP_RxCFG            (0x0102)
#define CS8900_PP_RxCTL            (0x0104)
#define CS8900_PP_TxCFG            (0x0106)
#define CS8900_PP_TxCMD_READ       (0x0108)
#define CS8900_PP_BufCFG           (0x010a)
#define CS8900_PP_LineCFG          (0x0112)
#define CS8900_PP_SelfCTL          (0x0114)
#define CS8900_PP_BusCTL           (0x0116)
#define CS8900_PP_TestCTL          (0x0118)

 * Status and Event Registers.

#define CS8900_PP_ISQ              (0x0120)
#define CS8900_PP_RxEvent          (0x0124)
#define CS8900_PP_TxEvent          (0x0128)
#define CS8900_PP_BufEvent         (0x012c)
#define CS8900_PP_RxMISS           (0x0130)
#define CS8900_PP_TxCol            (0x0132)
#define CS8900_PP_LineST           (0x0134)
#define CS8900_PP_SelfST           (0x0136)
#define CS8900_PP_BusST            (0x0138)
#define CS8900_PP_TDR              (0x013c)

 * Initiate Transmit Registers.
#define CS8900_PP_TxCMD            (0x0144)
#define CS8900_PP_TxLength         (0x0146)

* Address Filter Registers.
#define CS8900_PP_LAF              (0x0150)
#define CS8900_PP_IA               (0x0158)

 * Frame Location.
#define CS8900_PP_RxStatus         (0x0400)
#define CS8900_PP_RxLength         (0x0402)
#define CS8900_PP_RxFrameLoc       (0x0404)
#define CS8900_PP_TxFrameLoc       (0x0a00)

 * Bit Definitions of Registers.
 * IO Packet Page Pointer.
#define CS8900_PPP_AUTO_INCREMENT             (0x8000)

 * Reg 3. Receiver Configuration.
#define CS8900_RX_CONFIG_SKIP_1               (1 << 6)
#define CS8900_RX_CONFIG_STREAM_ENABLE        (1 << 7)
#define CS8900_RX_CONFIG_RX_OK                (1 << 8)
#define CS8900_RX_CONFIG_RX_DMA               (1 << 9)
#define CS8900_RX_CONFIG_RX_AUTO_DMA          (1 << 10)
#define CS8900_RX_CONFIG_BUFFER_CRC           (1 << 11)
#define CS8900_RX_CONFIG_CRC_ERROR            (1 << 12)
#define CS8900_RX_CONFIG_RUNT                 (1 << 13)
#define CS8900_RX_CONFIG_EXTRA_DATA           (1 << 14)

 * Reg 4. Receiver Event.
#define CS8900_RX_EVENT_HASH_IA_MATCH         (1 << 6)
#define CS8900_RX_EVENT_DRIBBLE_BITS          (1 << 7)
#define CS8900_RX_EVENT_RX_OK                 (1 << 8)
#define CS8900_RX_EVENT_HASHED                (1 << 9)
#define CS8900_RX_EVENT_IA                    (1 << 10)
#define CS8900_RX_EVENT_BROADCAST             (1 << 11)
#define CS8900_RX_EVENT_CRC_ERROR             (1 << 12)
#define CS8900_RX_EVENT_RUNT                  (1 << 13)
#define CS8900_RX_EVENT_EXTRA_DATA            (1 << 14)

 * Reg 5. Receiver Control.
#define CS8900_RX_CTRL_HASH_IA_MATCH          (1 << 6)
#define CS8900_RX_CTRL_PROMISCUOUS            (1 << 7)
#define CS8900_RX_CTRL_RX_OK                  (1 << 8)
#define CS8900_RX_CTRL_MULTICAST              (1 << 9)
#define CS8900_RX_CTRL_INDIVIDUAL             (1 << 10)
#define CS8900_RX_CTRL_BROADCAST              (1 << 11)
#define CS8900_RX_CTRL_CRC_ERROR              (1 << 12)
#define CS8900_RX_CTRL_RUNT                   (1 << 13)
#define CS8900_RX_CTRL_EXTRA_DATA             (1 << 14)

 * Reg 7. Transmit Configuration.
#define CS8900_TX_CONFIG_LOSS_OF_CARRIER      (1 << 6)
#define CS8900_TX_CONFIG_SQ_ERROR             (1 << 7)
#define CS8900_TX_CONFIG_TX_OK                (1 << 8)
#define CS8900_TX_CONFIG_OUT_OF_WINDOW        (1 << 9)
#define CS8900_TX_CONFIG_JABBER               (1 << 10)
#define CS8900_TX_CONFIG_ANY_COLLISION        (1 << 11)
#define CS8900_TX_CONFIG_16_COLLISION         (1 << 15)

 * Reg 8. Transmit Event.
#define CS8900_TX_EVENT_LOSS_OF_CARRIER       (1 << 6)
#define CS8900_TX_EVENT_SQ_ERROR              (1 << 7)
#define CS8900_TX_EVENT_TX_OK                 (1 << 8)
#define CS8900_TX_EVENT_OUT_OF_WINDOW         (1 << 9)
#define CS8900_TX_EVENT_JABBER                (1 << 10)
#define CS8900_TX_EVENT_16_COLLISIONS         (1 << 15)

 * Reg 9. Transmit Command Status.
#define CS8900_TX_CMD_STATUS_TX_START_5       (0 << 6)
#define CS8900_TX_CMD_STATUS_TX_START_381     (1 << 6)
#define CS8900_TX_CMD_STATUS_TX_START_1021    (2 << 6)
#define CS8900_TX_CMD_STATUS_TX_START_ENTIRE  (3 << 6)
#define CS8900_TX_CMD_STATUS_FORCE            (1 << 8)
#define CS8900_TX_CMD_STATUS_ONE_COLLISION    (1 << 9)
#define CS8900_TX_CMD_STATUS_INHIBIT_CRC      (1 << 12)
#define CS8900_TX_CMD_STATUS_TX_PAD_DISABLED  (1 << 13)

 * Reg B. Buffer Configuration.
#define CS8900_BUFFER_CONFIG_SW_INT           (1 << 6)
#define CS8900_BUFFER_CONFIG_RX_DMA_DONE      (1 << 7)
#define CS8900_BUFFER_CONFIG_RDY_FOR_TX       (1 << 8)
#define CS8900_BUFFER_CONFIG_TX_UNDERRUN      (1 << 9)
#define CS8900_BUFFER_CONFIG_RX_MISSED        (1 << 10)
#define CS8900_BUFFER_CONFIG_RX_128_BYTES     (1 << 11)
#define CS8900_BUFFER_CONFIG_TX_COL_OVF       (1 << 12)
#define CS8900_BUFFER_CONFIG_RX_MISSED_OVF    (1 << 13)
#define CS8900_BUFFER_CONFIG_RX_DEST_MATCH    (1 << 15)

 * Reg C. Buffer Event.
#define CS8900_BUFFER_EVENT_SW_INT            (1 << 6)
#define CS8900_BUFFER_EVENT_RX_DMA_DONE       (1 << 7)
#define CS8900_BUFFER_EVENT_RDY_FOR_TX        (1 << 8)
#define CS8900_BUFFER_EVENT_TX_UNDERRUN       (1 << 9)
#define CS8900_BUFFER_EVENT_RX_MISSED         (1 << 10)
#define CS8900_BUFFER_EVENT_RX_128_BYTES      (1 << 11)
#define CS8900_BUFFER_EVENT_RX_DEST_MATCH     (1 << 15)

 * Reg 13. Line Control.
#define CS8900_LINE_CTRL_RX_ON               (1 << 6)
#define CS8900_LINE_CTRL_TX_ON               (1 << 7)
#define CS8900_LINE_CTRL_AUI                 (1 << 8)
#define CS8900_LINE_CTRL_10BASET             (0 << 9)
#define CS8900_LINE_CTRL_AUTO_AUI_10BASET    (1 << 9)
#define CS8900_LINE_CTRL_MOD_BACKOFF         (1 << 11)
#define CS8900_LINE_CTRL_POLARITY_DISABLED   (1 << 12)
#define CS8900_LINE_CTRL_2_PART_DEF_DISABLED (1 << 13)
#define CS8900_LINE_CTRL_LO_RX_SQUELCH       (1 << 14)

 * Reg 14. Line Status.
#define CS8900_LINE_STATUS_LINK_OK           (1 << 7)
#define CS8900_LINE_STATUS_AUI               (1 << 8)
#define CS8900_LINE_STATUS_10_BASE_T         (1 << 9)
#define CS8900_LINE_STATUS_POLARITY_OK       (1 << 12)
#define CS8900_LINE_STATUS_CRS               (1 << 14)

 * Reg 15. Self Control.
#define CS8900_SELF_CTRL_RESET              (1 << 6)
#define CS8900_SELF_CTRL_SW_SUSPEND         (1 << 8)
#define CS8900_SELF_CTRL_HW_SLEEP           (1 << 9)
#define CS8900_SELF_CTRL_HW_STANDBY         (1 << 10)
#define CS8900_SELF_CTRL_HC0E               (1 << 12)
#define CS8900_SELF_CTRL_HC1E               (1 << 13)
#define CS8900_SELF_CTRL_HCB0               (1 << 14)
#define CS8900_SELF_CTRL_HCB1               (1 << 15)

 * Reg 16. Self Status.
#define CS8900_SELF_STATUS_3_3_V            (1 << 6)
#define CS8900_SELF_STATUS_INITD            (1 << 7)
#define CS8900_SELF_STATUS_SIBUST           (1 << 8)
#define CS8900_SELF_STATUS_EEPROM_PRESENT   (1 << 9)  
#define CS8900_SELF_STATUS_EEPROM_OK        (1 << 10)
#define CS8900_SELF_STATUS_EL_PRESENT       (1 << 11)
#define CS8900_SELF_STATUS_EE_SIZE          (1 << 12)

 * Reg 17. Bus Control.
#define CS8900_BUS_CTRL_RESET_RX_DMA        (1 << 6)
#define CS8900_BUS_CTRL_USE_SA              (1 << 9)
#define CS8900_BUS_CTRL_MEMORY_ENABLE       (1 << 10)
#define CS8900_BUS_CTRL_DMA_BURST           (1 << 11)
#define CS8900_BUS_CTRL_IOCHRDYE            (1 << 12)
#define CS8900_BUS_CTRL_RX_DMA_SIZE         (1 << 13)
#define CS8900_BUS_CTRL_ENABLE_INT          (1 << 15)

 * Reg 18. Bus Status.
#define CS8900_BUS_STATUS_TX_BID_ERROR      (1 << 7)
#define CS8900_BUS_STATUS_RDY_FOR_TX_NOW    (1 << 8)

*/