M480 BSP V3.05.005
The Board Support Package for M480 Series
sdh.h
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1/**************************************************************************/
9#include <stdio.h>
10
11#ifndef __SDH_H__
12#define __SDH_H__
13
14#ifdef __cplusplus
15extern "C"
16{
17#endif
18
19
33#define SDH_ERR_ID 0xFFFF0100ul
35#define SDH_TIMEOUT (SDH_ERR_ID|0x01ul)
36#define SDH_NO_MEMORY (SDH_ERR_ID|0x02ul)
38/*-- function return value */
39#define Successful 0ul
40#define Fail 1ul
42/*--- define type of SD card or MMC */
43#define SDH_TYPE_UNKNOWN 0ul
44#define SDH_TYPE_SD_HIGH 1ul
45#define SDH_TYPE_SD_LOW 2ul
46#define SDH_TYPE_MMC 3ul
47#define SDH_TYPE_EMMC 4ul
49/* SD error */
50#define SDH_NO_SD_CARD (SDH_ERR_ID|0x10ul)
51#define SDH_ERR_DEVICE (SDH_ERR_ID|0x11ul)
52#define SDH_INIT_TIMEOUT (SDH_ERR_ID|0x12ul)
53#define SDH_SELECT_ERROR (SDH_ERR_ID|0x13ul)
54#define SDH_WRITE_PROTECT (SDH_ERR_ID|0x14ul)
55#define SDH_INIT_ERROR (SDH_ERR_ID|0x15ul)
56#define SDH_CRC7_ERROR (SDH_ERR_ID|0x16ul)
57#define SDH_CRC16_ERROR (SDH_ERR_ID|0x17ul)
58#define SDH_CRC_ERROR (SDH_ERR_ID|0x18ul)
59#define SDH_CMD8_ERROR (SDH_ERR_ID|0x19ul)
61#define MMC_FREQ 20000ul
62#define SD_FREQ 25000ul
63#define SDHC_FREQ 50000ul
65#define SD_PORT0 (1 << 0)
66#define SD_PORT1 (1 << 2)
67#define CardDetect_From_GPIO (1ul << 8)
68#define CardDetect_From_DAT3 (1ul << 9) /* end of group SDH_EXPORTED_CONSTANTS */
71
75typedef struct SDH_info_t
76{
77 unsigned char IsCardInsert;
78 unsigned char R3Flag;
79 unsigned char R7Flag;
80 unsigned char volatile DataReadyFlag;
81 unsigned int CardType;
82 unsigned int RCA;
83 unsigned int totalSectorN;
84 unsigned int diskSize;
86 unsigned char *dmabuf;
87} SDH_INFO_T; /* end of group SDH_EXPORTED_TYPEDEF */
90
92extern SDH_INFO_T SD0, SD1;
111#define SDH_ENABLE_INT(sdh, u32IntMask) ((sdh)->INTEN |= (u32IntMask))
112
124#define SDH_DISABLE_INT(sdh, u32IntMask) ((sdh)->INTEN &= ~(u32IntMask))
125
142#define SDH_GET_INT_FLAG(sdh, u32IntMask) (((sdh)->INTSTS & (u32IntMask))?1:0)
143
144
157#define SDH_CLR_INT_FLAG(sdh, u32IntMask) ((sdh)->INTSTS = (u32IntMask))
158
159
169#define SDH_IS_CARD_PRESENT(sdh) (((sdh) == SDH0)? SD0.IsCardInsert : SD1.IsCardInsert)
170
179#define SDH_GET_CARD_CAPACITY(sdh) (((sdh) == SDH0)? SD0.diskSize : SD1.diskSize)
180
181
182void SDH_Open(SDH_T *sdh, uint32_t u32CardDetSrc);
183uint32_t SDH_Probe(SDH_T *sdh);
184uint32_t SDH_Read(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount);
185uint32_t SDH_Write(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount);
186
188int32_t SDH_Open_Disk(SDH_T *sdh, uint32_t u32CardDetSrc);
190
191 /* end of group SDH_EXPORTED_FUNCTIONS */
193 /* end of group SDH_Driver */
195 /* end of group Standard_Driver */
197
198#ifdef __cplusplus
199}
200#endif
201
202#endif /* __SDH_H__ */
203/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/
unsigned int RCA
Definition: sdh.h:82
void SDH_Close_Disk(SDH_T *sdh)
uint32_t SDH_Probe(SDH_T *sdh)
This function use to initial SD card.
Definition: sdh.c:1008
unsigned char volatile DataReadyFlag
Definition: sdh.h:80
uint32_t SDH_Write(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount)
This function use to write data to SD card.
Definition: sdh.c:1212
int sectorSize
Definition: sdh.h:85
unsigned int diskSize
Definition: sdh.h:84
int32_t SDH_Open_Disk(SDH_T *sdh, uint32_t u32CardDetSrc)
unsigned char IsCardInsert
Definition: sdh.h:77
unsigned char R3Flag
Definition: sdh.h:78
unsigned int totalSectorN
Definition: sdh.h:83
unsigned char R7Flag
Definition: sdh.h:79
void SDH_Open(SDH_T *sdh, uint32_t u32CardDetSrc)
This function use to reset SD function and select card detection source and pin.
Definition: sdh.c:945
uint32_t SDH_Read(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount)
This function use to read data from SD card.
Definition: sdh.c:1059
unsigned int CardType
Definition: sdh.h:81
unsigned char * dmabuf
Definition: sdh.h:86
uint32_t SDH_CardDetection(SDH_T *sdh)
struct SDH_info_t SDH_INFO_T
Definition: sdh_reg.h:27
Definition: sdh.h:76