core/filesystem/ssp.h

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#ifndef __SSP_H__
#define __SSP_H__



#define SPI_CPHA    (1<<3)
#define SPI_CPOL    (1<<4)
#define SPI_MASTER  (1<<5)
#define SPI_LSBF    (1<<6)
#define SPI_SPIE    (1<<7)



#define SSP_DATA_SIZE_MASK    (0x000f)
#define SSP_DATA_SIZE(A)      (A-1)

#define SSP_FRAME_FORMAT_MASK (0x0030)
#define SSP_FRAME_FORMAT_SPI  (0x0000)
#define SSP_FRAME_FORMAT_SSI  (0x0010)
#define SSP_FRAME_FORMAT_MW   (0x0020)

#define SSP_CPOL    (1<<6)
#define SSP_CPHA    (1<<7)

#define SSP_SCR_MASK  (0xff00)
#define SSP_SCR(A)    (A << 8)

#define SSP_LBM     (1<<0)
#define SSP_SSE     (1<<1)
#define SSP_MS      (1<<2)
#define SSP_SOD     (1<<3)

#define SSP_TFE     (1<<0)
#define SSP_TNF     (1<<1)
#define SSP_RNE     (1<<2)
#define SSP_RFF     (1<<3)
#define SSP_BSY     (1<<4)

#define SSP_RORMIS  (1<<0)
#define SSP_RTMIS   (1<<1)
#define SSP_RXMIS   (1<<2)
#define SSP_TXMIS   (1<<3)

#define SSP_RORIC   (1<<0)
#define SSP_RTIC    (1<<1)

#define SSP_RORIM   (1<<0)
#define SSP_RTIM    (1<<1)
#define SSP_RXIM    (1<<2)
#define SSP_TXIM    (1<<3)

#define SSP_RORRIS  (1<<0)
#define SSP_RTRIS   (1<<1)
#define SSP_RXRIS   (1<<2)
#define SSP_TXRIS   (1<<3)


void ssp_init(void);
void ssp_put_byte(uint8 ch);
uint8 ssp_get_byte(void);
void ssp_send(const uint8 *p_data, long data_size);
void ssp_read(uint8 *p_data, long data_size);


#endif // __SSP_H__

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