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主程序代碼如下:
#include "ZNFAT.H"
#include "sd.h"
#include "uart.h"
#include "vs1003.h"
struct znFAT_Init_Args idata Init_Args; // 初始化參數(shù)集合
struct FileInfo idata fileinfo; // 文件信息集合
void port_mode() // 端口模式
{
P0M1=0xff; P0M0=0xff;P1M1=0x0C;P1M0=0x0C;P4M1=0x80;P4M0=0x80;
}
int main()
{
unsigned int res=0,n=0;
port_mode(); // 所有IO口設(shè)為準(zhǔn)雙向弱上拉方式。
UART_Init(); // 波特率:9600 /22.1184MHZ
UART_Send_Str("串口設(shè)置完畢\r\n");
znFAT_Device_Init(); // 存儲設(shè)備初始化
UART_Send_Str("SD卡初始化完畢\r\n");
znFAT_Select_Device(0,&Init_Args); // 選擇設(shè)備
res=znFAT_Init(); // 文件系統(tǒng)初始化
if(!res) // 文件系統(tǒng)初始化成功
{
UART_Send_Str("文件系統(tǒng)初始化成功\r\n");
UART_Send_StrNum("DBR扇區(qū)地址:",Init_Args.BPB_Sector_No);
UART_Send_StrNum("總存儲容量(K字節(jié)):",Init_Args.Total_SizeKB);
UART_Send_StrNum("每扇區(qū)字節(jié)(個(gè)):",Init_Args.BytesPerSector);
UART_Send_StrNum("FAT扇區(qū)數(shù):",Init_Args.FATsectors);
UART_Send_StrNum("每簇扇區(qū)(個(gè)):",Init_Args.SectorsPerClust);
UART_Send_StrNum("第一FAT扇區(qū):",Init_Args.FirstFATSector);
UART_Send_StrNum("根目錄開始扇區(qū):",Init_Args.FirstDirSector);
UART_Send_StrNum("FSINFO扇區(qū)地址:",Init_Args.FSINFO_Sec);
UART_Send_StrNum("下一空閑簇:",Init_Args.Next_Free_Cluster);
UART_Send_StrNum("剩余空閑簇:",Init_Args.Free_nCluster);
}
else // 文件系統(tǒng)初始化失敗
{
UART_Send_StrNum("文件系統(tǒng)初始化失敗 , 錯(cuò)誤碼:",res);
}
VS_Reset(); // VS1003復(fù)位初始化
while(!znFAT_Open_File(&fileinfo,"/*.mp3",n,1)) //打開SD卡根目錄下所有MP3文件中的第n個(gè)
{
UART_Send_Str("===========================================================\n");
UART_Send_Str("打開文件成功\n"); // 從串口輸出文件參數(shù)信息
UART_Send_Str("文件名為:");
UART_Send_Str(fileinfo.File_Name);
UART_Send_Enter();
UART_Send_StrNum("文件大小(字節(jié)):",fileinfo.File_Size);
UART_Send_StrNum("文件當(dāng)前偏移量(字節(jié)):",fileinfo.File_CurOffset);
UART_Send_Str("文件創(chuàng)建時(shí)間:\n");
UART_Send_Num(fileinfo.File_CDate.year); UART_Send_Str("年");
UART_Send_Num(fileinfo.File_CDate.month);UART_Send_Str("月");
UART_Send_Num(fileinfo.File_CDate.day); UART_Send_Str("日");
UART_Send_Num(fileinfo.File_CTime.hour); UART_Send_Str("時(shí)");
UART_Send_Num(fileinfo.File_CTime.min); UART_Send_Str("分");
UART_Send_Num(fileinfo.File_CTime.sec); UART_Send_Str("秒\r\n");
UART_Send_Enter();
VS_sin_test(200); // 正弦測試,可以聽到一聲滴
znFAT_ReadDataX(&fileinfo,0,fileinfo.File_Size); //調(diào)用讀取文件函數(shù)(重定向),將數(shù)據(jù)送至VS1003
VS_Reset();
n++;
}
UART_Send_Str("===========================================================\n");
UART_Send_StrNum("文件列舉完畢,共有文件(個(gè)):",n);
while(1);
return 0;
} |
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