added function to read file

Author: KalbeAbbas

built/binary.hex

@@ -63,10 +63,6 @@ namespace IM01 {
     //%u.defl="log.txt"
     export function readFile(u: string): string {
         u = truncateStringLength(u)
-        if (sdFlag == false) {
-            createFolder("CS11")
-            sdFlag = true
-        }
         return file_read(u)
     }
 

built/mbcodal-binary.asm

@@ -73,5 +73,32 @@ bool _exists(String s)
 //%
 String _read(String s)
 {
+	FATFS FatFs;
+	String cpy_string;
+	char* error_no_file = "ERROR! NO FILE";
+	UINT* br;
+	char* buff;
+	uint32_t lSize = 0;
+	FIL Fil;
+    FRESULT fr;
+	
+	
+    f_mount(&FatFs, "", 0);
+	
+    fr = f_open(&Fil, (const char *)s->getUTF8Data(), FA_READ);
+	if(fr == FR_OK)
+	{
+		lSize = f_size(&Fil);
+		buff = (char*) malloc (sizeof(char)*lSize);
+		
+		f_read(&Fil, buff, lSize, br);
+	}else{
+		cpy_string = mkString(error_no_file, strlen(error_no_file));
+	}
+	
+	cpy_string = mkString(buff, lSize);
+	free(buff);
+    f_close(&Fil);
+    return cpy_string;
 }
 } // namespace cs11

built/mbcodal-binary.hex

@@ -0,0 +1,4 @@
+basic.forever(function()
+{
+	basic.showString(IM01.readFile("hello.txt"))
+})

built/mbdal-binary.asm

@@ -287,7 +287,7 @@ DSTATUS disk_initialize(
   if(!enabled)
   {
 	  p = allocSPI();
-	  p->frequency(10000);
+	  p->frequency(1000000);
 	  p->format(8, 0);
 	  enabled = true;
 	  uBit.serial.send("Called!\n");