Diff: main.cpp

Revision:

25:1e42edbeacca

Parent:

24:bea03d091636

Child:

26:1a610f9aec1a

--- a/main.cpp	Sat Sep 03 12:48:34 2016 +0900
+++ b/main.cpp	Tue Jan 17 12:21:46 2017 +0900
@@ -61,9 +61,10 @@
 
 SDFileSystem sd( MOSI, MISO, SCLK, CS, "sd", SPI_CLOCK_HZ);  
 
-//char buffer[512*1]  __attribute__ ((aligned (4))) ;    /*   512 bytes */
+/* Set buffer size */
+char buffer[512*1]  __attribute__ ((aligned (4))) ;      /*   512 bytes */
 //char buffer[512*2]  __attribute__ ((aligned (4))) ;    /*  1024 bytes */
-char buffer[512*4]  __attribute__ ((aligned (4))) ;      /*  2048 bytes */
+//char buffer[512*4]  __attribute__ ((aligned (4))) ;    /*  2048 bytes */
 //char buffer[512*8]  __attribute__ ((aligned (4))) ;    /*  4096 bytes */
 //char buffer[512*16] __attribute__ ((aligned (4))) ;    /*  8192 bytes */
 //char buffer[512*32] __attribute__ ((aligned (4))) ;    /* 16384 bytes */
@@ -73,6 +74,7 @@
 
 #if defined(__CC_ARM)     /* ARMCC      */ 
 #define TOOLCHAIN   "ARM/uARM"
+#define C_VERSION   __ARMCC_VERSION
 #elif defined(__GNUC__)       /* GCC        */ 
 #define TOOLCHAIN   "GCC_ARM"
 #elif defined(__ICCARM__)   /* IAR        */
@@ -187,21 +189,43 @@
 	pc.printf("\n     Error Count : %d", errorCount);
 }
 
+void warning(){
+	FileHandle* file = sd.open(FILE_NAME, O_RDONLY);
+	if (file == NULL) {
+		pc.printf("\n***************************************");
+		pc.printf("\n*** First, you must execute [w] command");
+		pc.printf("\n*** to generate test file ( %s ).",FILE_NAME);
+		pc.printf("\n***************************************");
+	} else {
+        file->close();
+    }
+}
+
+time_t read_rtc(void) {
+    return 0;
+}
 
 int main(){
     int i = 1;
+    /* setbuf( stdout, NULL ); */
+    /*
+     * Refer to https://developer.mbed.org/questions/69644/RTC-error-LSE-clock-initialization-faile/
+     */
+    attach_rtc(&read_rtc, NULL, NULL, NULL);
+    /**/
 	while(1){
-		pc.printf("\n(%2d)------- SDFileSystemDMA --------------------------------",i++);
+		pc.printf("\n(%2d) ------ SDFileSystemDMA Test ----------------------------",i++);
 		pc.printf("\nR/W Buffer size         = %8d Bytes", sizeof(buffer) );
 		pc.printf("\nSystemClock             = %d Hz",SystemCoreClock);
-		pc.printf("\nSPI(%d),  Max SPI Clock  = %d Hz",SPI_DEV,SystemCoreClock>>1);
-		pc.printf("\nCompiler: %s", TOOLCHAIN);
-		pc.printf("\nmbed-lib: Rev.%d", MBED_LIBRARY_VERSION);
+		pc.printf("\nSPI(%d),  Max SPI Clock  = %d Hz (Probably)",SPI_DEV,SystemCoreClock>>1);
+		pc.printf("\nCompiler                = %s", TOOLCHAIN);
+		pc.printf("\nmbed-lib                = Rev.%d", MBED_LIBRARY_VERSION);
 		pc.printf("\n\nStart SD card accsess test !");
 		pc.printf("\n[r]: Start Read Test. At least execute [w] onece");
 		pc.printf("\n[w]: Start Write and Read Test");
 		pc.printf("\n[v]: Start Read Verify Test. At least execute [w] onece");
-		pc.printf("\nWriting is very slow, wait tens of seconds."); 
+		pc.printf("\nNote: Writing is very slow, wait tens of seconds."); 
+        warning();
 		pc.printf("\n--- Select [r] or [w] or [v]---\n");  
 		fflush(stdout); 
 		char ch = wait_key_press();