Diff: main.cpp

Revision:

2:35a16011d7ce

Parent:

1:ddac5ec89167

--- a/main.cpp	Wed Aug 11 03:50:32 2021 +0000
+++ b/main.cpp	Fri Aug 20 12:06:48 2021 +0000
@@ -4,16 +4,22 @@
 Serial pc(USBTX,USBRX,9600);
 int main()
 {
-    pc.printf("Hello World!\n");
- 
+    char str[100];
+    pc.printf("Hello World!\r\n");
     mkdir("/sd/mydir", 0777);
- 
     FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
     if(fp == NULL) {
         error("Could not open file for write\r\n");
     }
-    fprintf(fp, "Hello my name is HEPTA\r\n");
+    for(int i=0; i<10; i++){
+        fprintf(fp,"decimal number = %d, floating-point number = %f\r\n",i,i*1.5);
+    }
     fclose(fp);
- 
+    fp = fopen("/sd/mydir/sdtest.txt","r");
+    for(int i = 0; i < 10; i++) {
+        fgets(str,100,fp);
+        pc.puts(str);
+    }
+    fclose(fp);
     pc.printf("Goodbye World!\r\n");
 }
\ No newline at end of file