sdh.h

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/**************************************************************************/
#include <stdio.h>

#ifndef __SDH_H__
#define __SDH_H__

#ifdef __cplusplus
extern "C"
{
#endif


#define SDH_ERR_ID       0xFFFF0100ul 
#define SDH_TIMEOUT      (SDH_ERR_ID|0x01ul) 
#define SDH_NO_MEMORY    (SDH_ERR_ID|0x02ul) 
/*-- function return value */
#define    Successful  0ul   
#define    Fail        1ul   
/*--- define type of SD card or MMC */
#define SDH_TYPE_UNKNOWN     0ul 
#define SDH_TYPE_SD_HIGH     1ul 
#define SDH_TYPE_SD_LOW      2ul 
#define SDH_TYPE_MMC         3ul 
#define SDH_TYPE_EMMC        4ul 
/* SD error */
#define SDH_NO_SD_CARD       (SDH_ERR_ID|0x10ul) 
#define SDH_ERR_DEVICE       (SDH_ERR_ID|0x11ul) 
#define SDH_INIT_TIMEOUT     (SDH_ERR_ID|0x12ul) 
#define SDH_SELECT_ERROR     (SDH_ERR_ID|0x13ul) 
#define SDH_WRITE_PROTECT    (SDH_ERR_ID|0x14ul) 
#define SDH_INIT_ERROR       (SDH_ERR_ID|0x15ul) 
#define SDH_CRC7_ERROR       (SDH_ERR_ID|0x16ul) 
#define SDH_CRC16_ERROR      (SDH_ERR_ID|0x17ul) 
#define SDH_CRC_ERROR        (SDH_ERR_ID|0x18ul) 
#define SDH_CMD8_ERROR       (SDH_ERR_ID|0x19ul) 
#define MMC_FREQ        20000ul   
#define SD_FREQ         25000ul   
#define SDHC_FREQ       50000ul   
#define SD_PORT0        (1 << 0)  
#define SD_PORT1        (1 << 2)  
#define CardDetect_From_GPIO  (1ul << 8)   
#define CardDetect_From_DAT3  (1ul << 9)   
 /* end of group SDH_EXPORTED_CONSTANTS */

typedef struct SDH_info_t
{
    unsigned char   IsCardInsert;   
    unsigned char   R3Flag;
    unsigned char   R7Flag;
    unsigned char volatile DataReadyFlag;
    unsigned int    CardType;       
    unsigned int    RCA;            
    unsigned int    totalSectorN;   
    unsigned int    diskSize;       
    int             sectorSize;     
    unsigned char   *dmabuf;
} SDH_INFO_T;                       
 /* end of group SDH_EXPORTED_TYPEDEF */

extern SDH_INFO_T SD0, SD1;
#define SDH_ENABLE_INT(sdh, u32IntMask)    ((sdh)->INTEN |= (u32IntMask))

#define SDH_DISABLE_INT(sdh, u32IntMask)    ((sdh)->INTEN &= ~(u32IntMask))

#define SDH_GET_INT_FLAG(sdh, u32IntMask) (((sdh)->INTSTS & (u32IntMask))?1:0)


#define SDH_CLR_INT_FLAG(sdh, u32IntMask) ((sdh)->INTSTS = (u32IntMask))


#define SDH_IS_CARD_PRESENT(sdh) (((sdh) == SDH0)? SD0.IsCardInsert : SD1.IsCardInsert)

#define SDH_GET_CARD_CAPACITY(sdh)  (((sdh) == SDH0)? SD0.diskSize : SD1.diskSize)


void SDH_Open(SDH_T *sdh, uint32_t u32CardDetSrc);
uint32_t SDH_Probe(SDH_T *sdh);
uint32_t SDH_Read(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount);
uint32_t SDH_Write(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount);

uint32_t SDH_CardDetection(SDH_T *sdh);
void SDH_Open_Disk(SDH_T *sdh, uint32_t u32CardDetSrc);
void SDH_Close_Disk(SDH_T *sdh);

 /* end of group SDH_EXPORTED_FUNCTIONS */
 /* end of group SDH_Driver */
 /* end of group Standard_Driver */

#ifdef __cplusplus
}
#endif

#endif  /* __SDH_H__ */
/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/