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49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// Semihosting filesystem
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#ifndef __SEMIFS_H__
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#define __SEMIFS_H__
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#include "type.h"
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#include "devman.h"
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#include <stdint.h>
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// ARM Semihosting Commands
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#define SYS_OPEN (0x1)
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#define SYS_CLOSE (0x2)
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#define SYS_WRITE (0x5)
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#define SYS_READ (0x6)
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#define SYS_ISTTY (0x9)
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#define SYS_SEEK (0xa)
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#define SYS_ENSURE (0xb)
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#define SYS_FLEN (0xc)
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// Required Structures
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// These structures provided by Simon Ford of mbed
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typedef struct {
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uint8_t hr; /* Hours [0..23] */
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uint8_t min; /* Minutes [0..59] */
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uint8_t sec; /* Seconds [0..59] */
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uint8_t day; /* Day [1..31] */
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uint8_t mon; /* Month [1..12] */
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uint16_t year; /* Year [1980..2107] */
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} FTIME; // 7 bytes
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typedef struct { // File Search info record
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char name[32]; // File - 32-bytes
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uint32_t size; // File size in bytes - 4-bytes
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uint16_t fileID; // System File Identification - 2-bytes
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FTIME create_time; // Date & time file was created
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FTIME write_time; // Date & time of last write
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} XFINFO;
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typedef struct {
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char *pattern;
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XFINFO file_info;
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} SEARCHINFO;
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// FS functions
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int semifs_init( void );
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#endif
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