_fat.def

来自「使用PIC24 16位单片机 读写SD卡 支持FAT32」· DEF 代码 · 共 35 行

#ifndef _FAT16_DEF_

// Define FAT16_DYNAMIC_MEM to use malloc for allocating
// FILE structure space.  uncomment all three lines

//#define FAT16_DYNAMIC_MEM
//#define FAT16_malloc	malloc
//#define FAT16_free		

// The FAT16_MAX_FILES_OPEN #define is only applicable when Dynamic
// memeory allocation is not used (FAT16_DYNAMIC_MEM not defined).
// Defines how many concurent open files can exist at the same time.
// Takes up static memory. If you do not need to open more than one
// file at the same time, then you should set this to 1 to reduce
// memory usage
#define FAT16_MAX_FILES_OPEN 	2

// Select appropriate media interface port based on your hardware.
//#define FAT_MEDIA_IF_SPI
#define FAT_MEDIA_IF_SPI1
//#define FAT_MEDIA_IF_SPI2

// Define the system clock speed
#define SYSTEM_CLOCK	(DWORD)4000000

// Defines an output to a status LED that will blink when a read or write is in progress
#if 0
#define STATUSLED
#define STLED			PORTDbits.RD0
#define STTRIS			TRISDbits.TRISD0
#endif


#endif