User:Cboomf

I am currently coding ( attempting ;-) ) a package of seemingly random bits of code that may server a purpose, may not but, it is just to learn C and have some fun with my wii.

If someone can improve it put any improvements in the Updates section at the bottom ;-)

Code dump :

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include <ogcsys.h>
#include <gccore.h>
#include <ogc/ipc.h>
#include <stdarg.h>
#include <ctype.h>
#include <unistd.h>
#include <assert.h>

static void *xfb = NULL;
static GXRModeObj *rmode = NULL;

#include "ios.c"
#include "stm.c"
#include "es.h"

#include "../gfx/music.h"

typedef void (*Loader_Entry)(void);
static u32 *xbb;

Loader_Entry loader = (Loader_Entry)0x80001800;

void clearscreen(void)
{
		int y;
	    for(y=0;y<34;y++)
			printf("                                                                          \n");
}

void menutext(void)
{
    printf("Menu\n");
	printf("----\n");
	printf("Start + Z  = Return to loader\n");
	printf("A !!         = Elf Loader\n");
	printf("B !!         = System Utils\n");
	printf("Y !          = Fun\n");
	printf("X !!         = Shutdown Wii\n");
    return;
}

void checkAndReload(void) {
  PAD_ScanPads();
  int buttonsDown = PAD_ButtonsHeld(0);
  if( (buttonsDown & PAD_TRIGGER_Z) && (buttonsDown & PAD_BUTTON_START)) {
    loader();
  }
}

void sysutils(void) { 
    bool pressed;
   
    pressed=false;
	
	clearscreen();
	
    printf("System Utils Menu\n");
	printf("-----------------\n\n");
    printf("X = Load IOS37\n");
	printf("Y = Load IOS9\n");
	printf("B = Go Back\n");
	printf("Press A to continue \n");
	while((pressed=false)) {
		VIDEO_WaitVSync();
		PAD_ScanPads();
		int buttonsDown = PAD_ButtonsHeld(0);
		if (buttonsDown & PAD_BUTTON_X){
            __IOS_LaunchNewIOS(37);
			pressed=true;
	    }
		if (buttonsDown & PAD_BUTTON_Y){
		    IOS_ReloadIOS(9);
			pressed=true;
		}
		if (buttonsDown & PAD_BUTTON_B){
		    pressed=true;
		}
    }
	return;
}

void hello(void)
{
    printf("Hello world!\n");
	printf("v 0.15");
}

void shutdown(void) {
    static u8 stm_inbuf[0x20] ATTRIBUTE_ALIGN(32);
    static u8 stm_iobuf[0x20] ATTRIBUTE_ALIGN(32);
	int fd;
	
	fd=0;
	fd=IOS_Open("/dev/stm/immediate", 2);
	IOS_Ioctl(fd, 0x2004, stm_inbuf, 0x20, stm_iobuf, 0x20);
	IOS_Close(fd);
}

void fun(void) {
    printf("FUN\n");
	
	int ver;
	int revma;
	int revmi;
	
	ver=IOS_GetVersion();
	revma=IOS_GetRevisionMajor();
	revmi=IOS_GetRevisionMinor();
    printf("IOS Version : %d   Revision : %d.%d \n\n", ver, revma, revmi);
	
	printf("Press A to continue\n");
	while(1) {
		VIDEO_WaitVSync();
		PAD_ScanPads();
		int buttonsDown = PAD_ButtonsHeld(0);
		if (buttonsDown & PAD_BUTTON_A){
            clearscreen();
	        menutext();
	        return;       
	    }
	}
}

void menu(void) {
    clearscreen();
	menutext();
	while(1) {
		VIDEO_WaitVSync();
	    checkAndReload();
		PAD_ScanPads();
		int buttonsDown = PAD_ButtonsHeld(0);
		if (buttonsDown & PAD_BUTTON_Y){
            fun();
	    }
		if (buttonsDown & PAD_BUTTON_X){
            //shutdown();
	    }
		if (buttonsDown & PAD_BUTTON_B){
		    //sysutils();
		}
		if (buttonsDown & PAD_BUTTON_A){
		    //elfloader();
		}
    }
}


void start(void) {
    PAD_ScanPads();
    int buttonsDown = PAD_ButtonsHeld(0);
    if(buttonsDown & PAD_BUTTON_START) {
      menu();
    }
}

int main(int argc, char **argv) {

   /**************************************************************************** 
	Initialise Video
   Initialise GCPad for input
	****************************************************************************/

	VIDEO_Init();
	PAD_Init();

	switch(VIDEO_GetCurrentTvMode()) {
		case VI_NTSC:
			rmode = &TVNtsc480IntDf;
			break;
		case VI_PAL:
			rmode = &TVPal528IntDf;
			break;
		case VI_MPAL:
			rmode = &TVMpal480IntDf;
			break;
		default:
			rmode = &TVNtsc480IntDf;
			break;
	}

	xfb = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
	xbb = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
	console_init(xfb,20,20,rmode->fbWidth,rmode->xfbHeight,rmode->fbWidth*VI_DISPLAY_PIX_SZ);
	
	VIDEO_Configure(rmode);
	VIDEO_SetNextFramebuffer(xfb);
	VIDEO_SetBlack(FALSE);
	VIDEO_Flush();
	VIDEO_WaitVSync();
	if(rmode->viTVMode&VI_NON_INTERLACE) VIDEO_WaitVSync();
	
    /**************************************************************************** 
	Main code
	****************************************************************************/

	hello();
	printf("\n");
	printf("My first native wii homebrew\n");
	printf("\n");
	
	while(1) {
		VIDEO_WaitVSync();
		start();	
	}
	
	return 0;
}

Updates

These may be updates/fixes for the code above