Diff: main.cpp

Revision:

4:85a07ebe0933

Parent:

0:e294af8d0e07

--- a/main.cpp	Mon Jul 30 13:49:56 2012 +0000
+++ b/main.cpp	Wed Mar 11 11:43:26 2020 +0000
@@ -1,69 +1,25 @@
 #include "mbed.h"
 #include "MSCFileSystem.h"
-//#include <stat.h>
-
-#define FSNAME "msc"
-MSCFileSystem msc(FSNAME);
-
+ 
+MSCFileSystem msc("usb"); // Mount flash drive under the name "msc"
+Serial pc(USBTX, USBRX);
+ 
+//Timer timer;	//書き込み時間を計測するタイマ
 int main()
 {
-	DIR *d;
-	struct dirent *p;
-	//struct stat st;
-	//char path[PATH_MAX];
-    
-    printf("\n\n================================\n");
-    printf("USB Mass storage demo program for mbed LPC1768\n");
-    printf("================================\n\n");
-    
-	d = opendir("/" FSNAME);
-    
-    printf("\nList of files on the flash drive:\n");
-    if ( d != NULL )
-    {
-        while ( (p = readdir(d)) != NULL )
-        {
-        	printf(" - %s\n", p->d_name);
-        	/* no <stat.h> on mbed, it seems :/
-        	sprintf(path, "/"FSNAME"/%s", p->d_name);
-        	if ( stat(path, &st) == 0 )
-        	{
-        	  if ( S_ISDIR(st.st_mode) )
-        	    printf(" <directory>\n");
-        	  else
-        	    printf(" %d\n", st.st_size);
-        	}
-        	else
-        	{
-        	  printf(" ???\n");
-        	}*/
-        }
-    }
-    else
-    {
-    	error("Could not open directory!");
-    }
-    printf("\nTesting file write:\n");
-    FILE *fp = fopen( "/" FSNAME "/msctest.txt", "w");
+//  pc.printf("USB file open!\r\n");
+    FILE *fp = fopen( "/usb/test.csv", "w");	//ファイルを開く   "W"は新規作成して書き込みっていう命令？
+    pc.printf("USB fileopen0!\r\n");
     if ( fp == NULL )
     {
-        error("Could not open file for write\n");
+        pc.printf("USB fileopen!\r\n");
+        exit(1);
     }
-    fprintf(fp, "Hello mass storage!");
-    fclose(fp); 
-    printf("\n - OK\n");
-
-    printf("\nTesting file read:\n");
-    fp = fopen( "/" FSNAME "/msctest.txt", "r");
-    if ( fp == NULL )
-    {
-        error("Could not open file for read\n");
-    }
-    char buf[256];
-    if ( NULL == fgets(buf, sizeof(buf), fp) )
-    {
-        error("Error reading from file\n");
-    }
-    fclose(fp); 
-    printf("\n - OK, read string: '%s'\n\n", buf);
+    pc.printf("USB file write!\r\n");
+//    timer.start();	//書き込み時間測定開始
+    fprintf(fp,"Hello world! oookkk\n");	//ファイル書き込み
+//    timer.stop();		//書き込み時間測定終了	
+    fclose(fp);			//ファイルを閉じる	
+    pc.printf("USB file close!\n");
+//    pc.printf("write time :%f\n\n\n",timer.read());    
 }