add a simple test to try and list contents of an wii SD card

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3006 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/TestSuite/WSD/source/dolphintest_wsd.cpp

@@ -0,0 +1,127 @@
+// Thanks to:
+// SD Card Directory Listing Demo
+// Updated 12/19/2008 by PunMaster
+
+#include <gccore.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ogcsys.h>
+#include <time.h>
+#include <sys/time.h>
+#include <wiiuse/wpad.h>
+#include <fat.h>
+#include <dirent.h>
+
+#include <iostream>
+#include <debug.h>
+#include <math.h>
+
+static void *xfb = NULL;
+
+u32 first_frame = 1;
+GXRModeObj *rmode;
+
+void Initialise()
+{
+	// Initialise the video system
+	VIDEO_Init();
+
+	// This function initialises the attached controllers
+	PAD_Init();
+
+	// Obtain the preferred video mode from the system
+	// This will correspond to the settings in the Wii menu
+	rmode = VIDEO_GetPreferredMode(NULL);
+
+	// Allocate memory for the display in the uncached region
+	xfb = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
+
+	// Initialise the console, required for printf
+	console_init(xfb,20,20,rmode->fbWidth,rmode->xfbHeight,rmode->fbWidth*VI_DISPLAY_PIX_SZ);
+
+	// Set up the video registers with the chosen mode
+	VIDEO_Configure(rmode);
+
+	// Tell the video hardware where our display memory is
+	VIDEO_SetNextFramebuffer(xfb);
+
+	// Make the display visible
+	VIDEO_SetBlack(FALSE);
+
+	// Flush the video register changes to the hardware
+	VIDEO_Flush();
+
+	// Wait for Video setup to complete
+	VIDEO_WaitVSync();
+	if(rmode->viTVMode&VI_NON_INTERLACE) VIDEO_WaitVSync();
+}
+
+void dirlist(char* path)
+{
+	DIR* pdir = opendir(path);
+
+	if (pdir != NULL)
+	{
+		while(true) 
+		{
+			struct dirent* pent = readdir(pdir);
+			if(pent == NULL) break;
+
+			if(strcmp(".", pent->d_name) != 0 && strcmp("..", pent->d_name) != 0)
+			{
+				char dnbuf[260];
+				sprintf(dnbuf, "%s/%s", path, pent->d_name);
+
+				struct stat statbuf;
+				stat(dnbuf, &statbuf);
+
+				if(S_ISDIR(statbuf.st_mode))
+				{
+					printf("%s <DIR>\n", dnbuf);
+					dirlist(dnbuf);
+				}
+				else
+				{
+					printf("%s (%d)\n", dnbuf, (int)statbuf.st_size);
+				}
+
+			}
+		}
+
+		closedir(pdir);
+	}
+	else
+	{
+		printf("opendir() failure.\n");
+	}
+}
+
+int main()
+{
+	Initialise();
+
+	if(fatInitDefault())
+		dirlist("/");
+	else
+		printf("fatInitDefault() failure.\n");
+
+	while(1)
+	{
+		// Call WPAD_ScanPads each loop, this reads the latest controller states
+		WPAD_ScanPads();
+
+		// WPAD_ButtonsDown tells us which buttons were pressed in this loop
+		// this is a "one shot" state which will not fire again until the button has been released
+		u32 pressed = WPAD_ButtonsDown(0);
+
+		// We return to the launcher application via exit
+		if (pressed & WPAD_BUTTON_HOME)
+			exit(0);
+
+		// Wait for the next frame
+		VIDEO_WaitVSync();
+	}
+
+	return 0;
+}