/*Programed by zhoudb 2002-6-21*/
#ifndef __GENERAL_PORT_SPI_H
#define __GENERAL_PORT_SPI_H
/*物料層的相關定義*/
#define BitMask     0x80
#define SS_EN   	0
#define SS_DIS  	1
#define HALFPERIOD  1   /*用于調整SCK的半周期*/

#define SCK(val)  	SET_PB_BIT(30,val)
#define MOSI(val) 	SET_PB_BIT(29,val) 
#define MISO      	GET_PB_BIT(28)
#define SS1(val)    SET_PB_BIT(31,val)
#define SS2(val)    SET_PB_BIT(27,val)
/*數據鏈路層的相關定義*/
#define YYES        1
#define NNO         0
#define COMMANDWRITE  0x61
#define COMMANDREAD   0x60
#define IDMASK        0xf1

#define SOFTWARETIMEOUT 	1000		
#define MAXTIMEOUTNUM		6
#define RESETTIME		3
/*BCM5328的SPI相關寄存器地址*/
#define SPI_DATA0       	0xf0
#define SPI_DATA1       	0xf1
#define SPI_DATA2       	0xf2
#define SPI_DATA3       	0xf3
#define SPI_DATA4       	0xf4
#define SPI_DATA5       	0xf5
#define SPI_DATA6       	0xf6
#define SPI_DATA7       	0xf7
#define SPI_STS				0xfe
#define SPI_PAGE			0xff
/*BCM5328的SPI狀態寄存器的比特屏蔽字節*/
#define MASK_STS_SPIF		0x80
#define MASK_STS_RACK		0x20
#define MASK_STS_TXRDY		0x02
#define MASK_STS_RXRDY		0x01

typedef struct
{
unsigned char RegPageAddr;
unsigned char RegAddr;
unsigned char DataLength;
unsigned char DataBuf[8]; /*DataBuf[]是次高位的BYTE,DataBuf[0]是最高位的BYTE*/
unsigned char BcmID;	
}BcmRegStruct;
 
typedef enum
{
	BCM_OK=0,			/*操作成功*/
	BCM_INVALID_ID=1,   /*無效的ID號*/
	BCM_TIME_OUT=2,     /*軟件超時*/
	BCM_INVLAID_DATA_LENGTH=3,/*無效的數據長度，為了簡化協議，這兒的最大長度為8*/	
}BCM_STATUS;

/*供應用層軟件調用的的接口函數*/
void Bcm5328SpiInit(void);
void Bcm5328CLK(void);
BCM_STATUS Bcm5328RegWrite(BcmRegStruct *RegStruct);
BCM_STATUS Bcm5328RegRead(BcmRegStruct *RegStruct);
#endif