main.c

FAT16文件系统源码,很详细,值得参考!

//-------------------------------------------------------------------------
#include	<avr/io.h>
#include 	<stdint.h>
#include 	<avr/interrupt.h>
#include 	<avr/pgmspace.h>

#include	"main.h"
#include	"mmc.h"
#include	"FAT16.h"
//-------------------------------------------------------------------------
void port_init(void){
}
//-------------------------------------------------------------------------
void ioinit(void){
	cli(); 				//disable all interrupts
	port_init();
	mmcInit();
	InitFat16();
	
	MCUCR = 0x00;
	GICR  = 0x00;
	TIMSK = 0x00;
	sei(); 				//re-enable interrupts
}
//-------------------------------------------------------------------------
int main(void){
	uint8_t ok;
	uint8_t Name[11]="SD_FAT16TXT";
	uint8_t buffer[54]=
		"If you look this content,the file was created success!";
	
	ioinit();
	
	ok=CreateFile(Name,(uint32_t)54);				//建立长度为54的空文件
	if(ok==SD_FAIL)return 1;						//文件已存在,退出
	
	WriteFile(Name,(uint32_t)0,(uint32_t)54,buffer);	//将buffer写入文件
	/*
	for(i=0;i<54;i++)buffer[i]=0;
	ReadFile(Name,(uint32_t)0,(uint32_t)54,buffer);	//将文件读入buffer
	
	EreaseFile(Name);								//删除文件
	*/
	return 1;
}
//-------------------------------------------------------------------------