C/C++ Programming Help Thread

this is C/C++? right? because it doesn't look it to me:rolleyes:
because i asked for it in C/C++

Zitat:

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Zitat von Kwastie

this is C/C++? right? because it doesn't look it to me:rolleyes:
because i asked for it in C/C++

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It's C:
http://www.cplusplus.com/fopen

sorry :( i tought he was wrong..

At the moment my code breaks everytime i press enter. Would i have to put getchar(); in certain places?

Zitat:

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Zitat von eldiablov

At the moment my code breaks everytime i press enter. Would i have to put getchar(); in certain places?

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Run the game via commandlin not by double clicking on .exe. It's a console program, so it would normally be running from the console.

oh that makes sense. Thanks again yaustar :)

It's a pain, I know but some IDEs like Visual Studio and Code::Blocks will automatically wait for user input before closing if it was executed within the IDE.

Edit: Never mind.

No wonder answered my question before. How do you "dofile" (lua) something in C? Also, is it possible to load lua scripts from C? That would be really cool, but it sounds hard.

Zitat:

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Zitat von Xylem

No wonder answered my question before. How do you "dofile" (lua) something in C?

---

There isn't one that works in the same way. The closest is the #include preprocessor.
http://www.gamedev.net/reference/art...rticle1798.asp

Zitat:

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Also, is it possible to load lua scripts from C? That would be really cool, but it sounds hard.

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You can. That is the whole point of scripting languages.

My classes for graphics for PSP & Mac PowerPC & Intel is ready apart from using the PSP Graphics functions when compiled for PSP and JPEG support not completed for Mac, so have desided to spend more time getting JPEG to work and look at the PSP GU functions before releasing it.

Like to thank Bronx for help in making PNG display correct for Intel Macs as well as PowerPC Macs, been a big help in getting the endian issues ioned out.

I am also in contact with Bronx on the JPEG side so I can make sure it works for not just PowerPC macs but Intel Macs as well.

Hope to release it soon and have the JPEG issue sorted out by Monday 26 March at the latest.

Thanks for the credit, Xart :)

"0x03010010"= firmware 3.10 (version.txt)
what is 3.03 firmware, 3.02 2.71 ?
because i want my progam to "print firmware version:Jump:

Zitat:

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Zitat von yaustar

There isn't one that works in the same way. The closest is the #include preprocessor.
http://www.gamedev.net/reference/art...rticle1798.asp


You can. That is the whole point of scripting languages.

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Let me reword my question. How do you load .lua files from C?

Check out lua (not lua player) from the ps2dev.org SVN, there's an example included.

Zitat:

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Zitat von Xylem

Let me reword my question. How do you load .lua files from C?

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Using google:
http://www.google.co.uk/search?q=usi...en-US:official

Results: http://csl.sublevel3.org/lua/

Zitat:

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Zitat von Kwastie

"0x03010010"= firmware 3.10 (version.txt)
what is 3.03 firmware, 3.02 2.71 ?
because i want my progam to "print firmware version:Jump:

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i use file checks anyway
(popsloader , ...)

Hm, can somebody tell me why this little prog freezes upon exit?

Code:

---

[includes]

int is_connected;

PSP_MODULE_INFO(MODULE_NAME, 0x1000, 1, 1);
PSP_MAIN_THREAD_ATTR(0);

[standard callbacks]

int main(int argc, char **argv)
{
        SceUID netthid;

        SetupCallbacks();

        pspDebugScreenInit();
        initGraphics();


        int i;
        char *command;
        SceCtrlData pad, lastpad;
        is_connected = 0;

        while(1)
        {
                if(is_connected>0)
                {
                        // Read buttons
                        sceCtrlReadBufferPositive(&pad, 1);

                        if(pad.Buttons != lastpad.Buttons) {
                                lastpad = pad;

                                if(pad.Buttons & PSP_CTRL_CROSS){
                                        command = "play";
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_TRIANGLE){
                                        command = "stop";
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_SQUARE){
                                        command = "previous";
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_CIRCLE){
                                        command = "next";
                                        send_command(sock, command);
                                }
                                if(pad.Buttons & PSP_CTRL_VOLUP){
                                        command = "volup";
                                        send_command(sock, command);
                                }
                                if(pad.Buttons & PSP_CTRL_VOLDOWN){
                                        command = "voldown";
                                        send_command(sock, command);
                                }
                        }
                }

                for(i=0; i<1; i++) {
                        sceDisplayWaitVblankStart();
                }
        }

        return 0;
}

---

Hm

Luke
-= Double Post =-
PS: xArt, what's that apostrophe in Logo's on your homepage?

still no one who can tell me what hex of firmware is:
0x03010010=3.10 firmware
and i want it to know from firmware 3.03 & 3.02.. :Cry: I can't find it :(

sorry, no clue
-= Double Post =-
I know that was a worthless post, but sometimes it's more frustrating to me when I get no reply at all than people telling me they can't help. hm

Zitat:

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Zitat von Lukeson

Hm, can somebody tell me why this little prog freezes upon exit?

Code:

---

[includes]

int is_connected;

PSP_MODULE_INFO(MODULE_NAME, 0x1000, 1, 1);
PSP_MAIN_THREAD_ATTR(0);

[standard callbacks]

int main(int argc, char **argv)
{
        SceUID netthid;

        SetupCallbacks();

        pspDebugScreenInit();
        initGraphics();


        int i;
        char *command;
        SceCtrlData pad, lastpad;
        is_connected = 0;

        while(1)
        {
                if(is_connected>0)
                {
                        // Read buttons
                        sceCtrlReadBufferPositive(&pad, 1);

                        if(pad.Buttons != lastpad.Buttons) {
                                lastpad = pad;

                                if(pad.Buttons & PSP_CTRL_CROSS){
                                        command = "play";
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_TRIANGLE){
                                        command = "stop";
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_SQUARE){
                                        command = "previous";
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_CIRCLE){
                                        command = "next";
                                        send_command(sock, command);
                                }
                                if(pad.Buttons & PSP_CTRL_VOLUP){
                                        command = "volup";
                                        send_command(sock, command);
                                }
                                if(pad.Buttons & PSP_CTRL_VOLDOWN){
                                        command = "voldown";
                                        send_command(sock, command);
                                }
                        }
                }

                for(i=0; i<1; i++) {
                        sceDisplayWaitVblankStart();
                }
        }

        return 0;
}

---

Hm

Luke
-= Double Post =-
PS: xArt, what's that apostrophe in Logo's on your homepage?

---

sceDisplayWaitVblankStart ();
No need of for 1 pass...

----That's just the 1 I caught, which m8 not be causing the problem!

1)EDIT: GOT IT: Noob to pointers[I am]:

1)it should be *command = "value"!

2Unless u malloc, I suggest using Char *command[anysize same as the one it is poiting to]
3 I donot see it being assigned any address before being used!
And also replace the function parameters also to *command.
That should solve it!
Post the results!

Edit: Sorry again, but i want to keep my code personal. ;)

Zitat:

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Zitat von Mr305

sceDisplayWaitVblankStart ();
No need of for 1 pass...

---

Yeah I know it's utterly useless, but I saw that in the psp-programming.com tutorials and thaught like 'why not, maybe it helps'. Well, as you can guess, it didn't.

However, using *command="value" it still freezes when I exit the program. Same with char command[256]; and strcpy(command, "play");

Zitat:

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Zitat von Mr305

sceDisplayWaitVblankStart ();
No need of for 1 pass...

----That's just the 1 I caught, which m8 not be causing the problem!

1)EDIT: GOT IT: Noob to pointers[I am]:

1)it should be *command = "value"!

2Unless u malloc, I suggest using Char *command[anysize same as the one it is poiting to]
3 I donot see it being assigned any address before being used!
And also replace the function parameters also to *command.
That should solve it!
Post the results!

---

1) No it shouldn't. * coimmand would mean you would be dereferencing cahr pointer to a char, not a C string.

2) Nope. It should be:

Code:

---

char command[80]; // or any other size

---

To assign it new strings, you have to use sprintf or strcpy.

3) I agree, what he is doing at the moment is undefined behaviour.

Can u tell me whats wrong with this prx

Code:

---

#include <pspctrl.h>
#include <pspkernel.h>
#include <stdio.h>
#include <string.h>
#include <pspdebug.h>
#include <pspdisplay.h>

#define printf pspDebugScreenPrintf

PSP_MODULE_INFO("VSHTimer", 0x1000, 1, 0);
PSP_NO_CREATE_MAIN_THREAD();

void CheckCleanExit(void) {

  SceUID thids[50];
  int thid_count = 0;
  int i;
  //SceUID fd;
  //SceUID memid;
  SceKernelThreadInfo thinfo;

  //if sceKernelExitGame was called, exit before the system crashes
  sceKernelGetThreadmanIdList(SCE_KERNEL_TMID_Thread,thids,50,&thid_count);
  for(i=0;i<thid_count;i++)
  {
      memset(&thinfo,0,sizeof(SceKernelThreadInfo));
      thinfo.size = sizeof(SceKernelThreadInfo);
         
      sceKernelReferThreadStatus(thids[i],&thinfo);

      if(strcmp(&thinfo.name[0],"SceKernelLoadExecThread")==0)
      {
        sceKernelSelfStopUnloadModule(0, 0, NULL);
      }
  }

}

int MainThread (SceSize args, void *argp) {
        CheckCleanExit();
        pspDebugScreenInit();
        int counter = 0;
        unsigned int paddata_old = 0;
        int state = 0;
        SceCtrlData pad;
        for(;;) {
                if(pad.Buttons != paddata_old){
                pspDebugScreenClear();
                sceCtrlPeekBufferPositive(&pad, 1);
                if(state==0) {
                        pspDebugScreenSetXY(0,10);
                        printf("Press [R] to start the timer");
                        if(pad.Buttons & PSP_CTRL_RTRIGGER) {
                                state=1;
                                pspDebugScreenClear();
                        }
                }
                if(state==1) {
                        pspDebugScreenSetXY(0,10);
                        printf("Press [L] to stop the timer\n");
                        printf("Counter: %i",counter);
                        counter++;
                        if(pad.Buttons & PSP_CTRL_LTRIGGER) {
                                state=2;
                                pspDebugScreenClear();
                        }
                }
                if(state==2) {
                        pspDebugScreenSetXY(0,10);
                        printf("Counter Finished\n");
                        printf("Final Count: %i", counter);
                        printf("\n\nPress Note to restart\n");
                        if(pad.Buttons & PSP_CTRL_NOTE) {
                                state=0;
                                pspDebugScreenClear();
                                counter=0;
                        }
                }
}
paddata_old = pad.Buttons;
}
return 0;
}
int module_start(SceSize args, void *argp) {

  SceUID thid;

  thid = sceKernelCreateThread("VSHTimer", MainThread, 0x18, 0x1000, 0, NULL);
  if (thid >= 0) sceKernelStartThread(thid, args, argp);

  return 0;

}

int module_stop(void) {

return 0;

}

---

Zitat:

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Zitat von yaustar2) It should be:
[code

char command[80]; // or any other size[/code]
To assign it new strings, you have to use sprintf or strcpy.

---

Still freezes when I exit the program
-= Double Post =-

Zitat:

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Zitat von psp-freak222

Can u tell me whats wrong with this prx

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Can you tell us what's the problem with your program and post only code you think is relevant?

Zitat:

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Zitat von Lukeson

Still freezes when I exit the program
-= Double Post =-

Can you tell us what's the problem with your program and post only code you think is relevant?

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I can't see anywhere in your program where it exits the main loop. How did oyu exit the program? If it is via the callbacks then we need to see the callback functions.

Zitat:

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while(1)

---

Change that. As easy as that :P

HINT: Add a global variable isrunning and initialize it to 1, and in your exit_callback function set that to zero. Then just make that a while (isrunning).

PS: The rest of the code is absolutely ok. He just changes the pointer to the location of the constant strings and sends that as the command. Assuming he somewhere setup the variable sock, that is.

You program NEVER reads the control input

Code:

---

is_connected = 0;

        while(1)
        {
                if(is_connected>0)
                {

---

is_connected is initialised to 0 therefore the if statement is never true to enter the loop to read the input.

What you have just done is the same as:

Code:

---

        while(1)
        {
                if(0>0)

---

Zitat:

---

Zitat von yaustar

You program NEVER reads the control input

Code:

---

is_connected = 0;

        while(1)
        {
                if(is_connected>0)
                {

---

is_connected is initialised to 0 therefore the if statement is never true to enter the loop to read the input.

What you have just done is the same as:

Code:

---

        while(1)
        {
                if(0>0)

---

---

Well, this is because I left out the parts I previously commented out to find the source <strike>of evil</strike> why it freezes when I exit. Before entering the loop I start a thread that connects to WLAN and a server to which I send commands with the send_command() function. is-connected becomes 1 when the thread has finished connecting.

Zitat:

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I can't see anywhere in your program where it exits the main loop. How did oyu exit the program? If it is via the callbacks then we need to see the callback functions.

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I thought I didn't need that. I thought I it was an ok-method to run a 'main loop' to do all the input and display stuff. Exiting should work by pressing the home-button (I thought).

Quoting myself

Zitat:

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I can't see anywhere in your program where it exits the main loop. How did oyu exit the program? If it is via the callbacks then we need to see the callback functions.

---

In other words, show us your entire code otherwise we are going to keep picking up problems that don't exist in 'your' code.

Zitat:

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I thought I didn't need that. I thought I it was an ok-method to run a 'main loop' to do all the input and display stuff. Exiting should work by pressing the home-button (I thought).

---

You don't but if you say there is a bug in your code when you exit your game but not show us any code that has any exit clauses or the code that happens on exit then we might as well not be looking at it. Show use all relevent code to do with exiting and on exit of your program.

Well... I already pointed at the cause of the 'hang'. Doing infinite loops in the main thread will cause a hang at exit most of the time.

Ok, globals.h and constants.h are not really neccessary here, but I'll post them too. I commented out all calls of functions in netfunctions.c (except for send_command but that's obviously never called). Here it is:

Spoiler for main.c:

Code:

---

#include <pspdisplay.h>
#include <pspctrl.h>
#include <pspkernel.h>
#include <pspctrl.h>
#include <psppower.h>
#include <pspdebug.h>
#include <pspgu.h>
#include <png.h>
#include <pspsdk.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pspnet.h>
#include <pspnet_inet.h>
#include <pspnet_apctl.h>
#include <pspnet_resolver.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/select.h>
#include <errno.h>
#include "graphics.h"

#define printf pspDebugScreenPrintf


#include "constants.h"
#include "globals.h"
#include "netfunctions.c"

#define MODULE_NAME "pspwAMPclient"
#define HELLO_MSG  "Hello there.\r\n"

PSP_MODULE_INFO(MODULE_NAME, 0x1000, 1, 1);
PSP_MAIN_THREAD_ATTR(0);


// Exit callback
int exit_callback(int arg1, int arg2, void *common)
{
        sceKernelExitGame();
        return 0;
}

// Callback thread
int CallbackThread(SceSize args, void *argp)
{
        int cbid;

        cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
        sceKernelRegisterExitCallback(cbid);
        sceKernelSleepThreadCB();

        return 0;
}

// Sets up the callback thread and returns its thread id
int SetupCallbacks(void)
{
        int thid = 0;

        thid = sceKernelCreateThread("update_thread", CallbackThread,
                                    0x11, 0xFA0, PSP_THREAD_ATTR_USER, 0);
        if(thid >= 0)
        {
                sceKernelStartThread(thid, 0, 0);
        }

        return thid;
}


int main(int argc, char **argv)
{
        SceUID netthid;

        SetupCallbacks();

        pspDebugScreenInit();
        initGraphics();


        int i;
        char command[256];
        SceCtrlData pad, lastpad;
        is_connected = 0;


        // Load net-modules
        if(pspSdkLoadInetModules() < 0)
        {
                printf("Error, could not load inet modules\n");
                sceKernelSleepThread();
        }

        // Create user net-thread
        netthid = sceKernelCreateThread("net_thread", net_thread, 0x18, 0x10000, PSP_THREAD_ATTR_USER, NULL);
        if(netthid < 0)
        {
                printf("Error, could not create net thread\n");
                sceKernelSleepThread();
        }

        // Start net-thread
        sceKernelStartThread(netthid, 0, NULL);

        printf("blah");

        while(1)
        {
                if(is_connected>0)
                {
                        // Read buttons
                        sceCtrlReadBufferPositive(&pad, 1);

                        if(pad.Buttons != lastpad.Buttons) {
                                lastpad = pad;

                                if(pad.Buttons & PSP_CTRL_CROSS){
                                        strcpy(command, "play");
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_TRIANGLE){
                                        strcpy(command, "stop");
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_SQUARE){
                                        strcpy(command, "previous");
                                        send_command(sock, command);
                                }

                                if(pad.Buttons & PSP_CTRL_CIRCLE){
                                        strcpy(command, "next");
                                        send_command(sock, command);
                                }
                                if(pad.Buttons & PSP_CTRL_VOLUP){
                                        strcpy(command, "volup");
                                        send_command(sock, command);
                                }
                                if(pad.Buttons & PSP_CTRL_VOLDOWN){
                                        strcpy(command, "voldown");
                                        send_command(sock, command);
                                }
                        }
                }

                for(i=0; i<1; i++) {
                        sceDisplayWaitVblankStart();
                }
        }

        // Exit and delete main thread
        sceKernelExitDeleteThread(0);

        return 0;
}

---

PS: I know / I'm sure there are way too much includes at the beginning, but I was gonna sort em out later...

Spoiler for netfunctions.c:

Code:

---

int make_socket(uint16_t port)
{
        int sock;
        int ret;
        struct sockaddr_in name;

        sock = socket(PF_INET, SOCK_STREAM, 0);
        if(sock < 0)
        {
                return -1;
        }

        name.sin_family = AF_INET;
        name.sin_port = htons(port);
        name.sin_addr.s_addr = htonl(INADDR_ANY);
        ret = bind(sock, (struct sockaddr *) &name, sizeof(name));
        if(ret < 0)
        {
                return -1;
        }

        return sock;
}


// connects to the winamp-server, returns a socket
int connect_to_server(const char *szIpAddr)
{
        printf("Connecting to server... ");

    struct sockaddr_in server;
    unsigned long addr;
    int sock;

        // Create socket
    sock = socket( AF_INET, SOCK_STREAM, 0 );
    if (sock < 0)
        printf("Error creating socket\n");

    // Creating socketadress of the Server
    // Consists of type, IP-adress and portnumber
    memset( &server, 0, sizeof (server));
    if ((addr = inet_addr("192.168.0.124")) != NET_INADDR_NONE) {                // Load IP from configfile
        memcpy( (char *)&server.sin_addr, &addr, sizeof(addr));
    } else {
        printf("Error creating the server's socketadress\n");
    }
    server.sin_family = AF_INET;                        // IPv4-connection
    server.sin_port = htons( NET_PORT );        // Portnumber

    // Connect to server
    if(connect(sock,(struct sockaddr*)&server,sizeof(server)) <0)
        printf("Cannot connect to server\n");
        else
                printf("connected!\n");

        is_connected = 1;
       
        // Return the socket
        return sock;
}

// closes the connection to winamp
void close_server_connection(int sock)
{
        printf("Closing connection\n");
        close(sock);
}

// sends a string to winamp
void send_command(int sock, char *sendwhat)
{
        int send_l;

        printf("sending '%s'...\n", sendwhat);
        send_l = strlen(sendwhat);

        if (send(sock, sendwhat, send_l, 0) != send_l) {
        printf("send() sent a different length of bytes than expected!\n");
        }
}

/* Connect to an access point */
int connect_to_apctl(int config)
{
        int err;
        int stateLast = -1;

        /* Connect using the first profile */
        err = sceNetApctlConnect(config);
        if (err != 0)
        {
                printf("Error: sceNetApctlConnect returns %08X\n", err);
                return 0;
        }

        printf("Connecting to accesspoint...\n");
        while (1)
        {
                int state;
                err = sceNetApctlGetState(&state);
                if (err != 0)
                {
                        printf("Error: sceNetApctlGetState returns $%x\n", err);
                        break;
                }
                if (state > stateLast)
                {
                        printf("  connection state %d of 4\n", state);
                        stateLast = state;
                }
                if (state == 4)
                        break;  // connected with static IP

                // wait a little before polling again
                sceKernelDelayThread(50*1000); // 50ms
        }
        printf("Connected!\n");

        if(err != 0)
        {
                return 0;
        }

        return 1;
}

int net_thread(SceSize args, void *argp)
{
        int err;

        do
        {
                if((err = pspSdkInetInit()))
                {
                        printf(" Error, could not initialise the network %08X\n", err);
                        break;
                }

                if(connect_to_apctl(1))
                {
                        // connected, get my IPADDR and run test
                        char szMyIPAddr[32];
                        if (sceNetApctlGetInfo(8, szMyIPAddr) != 0)
                                strcpy(szMyIPAddr, "unknown IP address");

                        printf("\n");

                        sock = connect_to_server(szMyIPAddr);

                        // close_server_connection(sock);        // not yet (when the server is done, so it won't just connect and disconnect again)

                } else {
                        printf("Could not connect!\n");
                }
        }
        while(0);

        return 0;
}

---

Spoiler for globals.h:

Code:

---

#ifndef PSPWAMP_GLOBALS
#define PSPWAMP_GLOBALS

// Net
int sock;                                        // client socket
int is_connected;                        // is connected to winamp? 0 = false, greater than 0 = true
char * net_status;                        // Little text bottom-left in the screen

#endif

---

Spoiler for constants.h:

Code:

---

#ifndef PSPWAMP_CONSTANTS
#define PSPWAMP_CONSTANTS

// Net
#define NET_PORT 1234
#define NET_INADDR_NONE ((unsigned long) -1)
#define NET_SOCKET_ERROR ((unsigned long) -1)


// Interface
#define MID_PLAYSCREEN 0

#define MID_MAINMENU 1

#define MID_MUSIC 2
#define MID_ARTISTS 3
#define MID_ARTISTS_ALBUMS 4
#define MID_ARTISTS_ALBUM 5
#define MID_ALBUMS 6
#define MID_ALBUMS_ALBUM 7
#define MID_PLAYLISTS 8
#define MID_PLAYLISTS_PLAYLIST 9
#define MID_SONGS 10

#define MID_VIDEOS 11

#define MID_SETTINGS 12

#endif

---

-= Double Post =-

Zitat:

---

Zitat von Raphael

Well... I already pointed at the cause of the 'hang'. Doing infinite loops in the main thread will cause a hang at exit most of the time.

---

So what is the proper way to manage inputs and display? I know that question is like 'hey tell me how to program c' but can you give me a hint (/the basic priciples) or where I can read about it?

Just read my post on the previous site again. I hinted at how to do the loop correctly. Apart from that, nothing is really wrong with your code.

Zitat:

---

Zitat von Raphael

Just read my post on the previous site again. I hinted at how to do the loop correctly. Apart from that, nothing is really wrong with your code.

---

I didn't think that the infinite loop would effect the use of the Home button callback?

It does, because the main thread will still continue to run. Even sceKernelExitGame sometimes cannot kill such a thread, hence the hang.

Ahh... I see, that makes sense.

It works! Thank you!!

One last question: If I press (X) to confirm I really want to exit, the program responds to it sending a command to the server. How do I prevent that?

Ok, i have been having the same problem again and again this morning. I finally figured it out. I thought that my wav files weren't loading, but i figured that they were working fine on a the sample C file that comes with the Wav Loader v.1. Now, for some reason, in this code that i will show, everytime i put the line "pspAudioInit();", cygwin successfully compiles it without errors, but when i go to play it, it doesn't work. When i don't put in any audio or "pspAudioInit();", my code works flawlessly. Now, what is wrong with this wierd code? The makefile of it is the same as the working code, but there is something wrong with this code. I even used simple simple mp3 player code, even from the psp-programming tutorial, and then my mp3 worked (with same makefile). But what is wrong with this code that causes my psp to freeze everytime i put "pspAudioInit();"? Here is my code (yes, i know; i "init" and sometimes loaded some of the same things twice, but the compiler doesn't work if i only put the "init" 's in the main loop):

Code:

---

//G-Pack v.3 Shell
//Made by SuperbatXS

#include <stdio.h>
#include <stdlib.h>
#include <pspkernel.h>
#include <pspctrl.h>
#include <pspdisplay.h>
#include <pspdebug.h>
#include <pspiofilemgr.h>
#include "graphics.h"
#include <pspaudio.h>
#include <pspaudiolib.h>
#include <pspcallbacks.h>
#include "mp3player.h"
#include <psppower.h>
#include <string.h>
PSP_MODULE_INFO("G-Pack v.3", 0, 1, 1);
#define printf pspDebugScreenPrintf
#define RGB(r, g, b) ((r)|((g)<<8)|((b)<<16))

int ThemeSetting = 1;

int thememenu()
{
    SetupCallbacks();
    pspDebugScreenInit();
    initGraphics();
    pspAudioInit();
    SceCtrlData pad, lastpad;
    sceCtrlReadBufferPositive(&lastpad, 1);
    MP3_Init(1);
    MP3_Load("./sounds/beep.mp3");
    Image* Background;
    Background = loadImage("./images/bubbles.png");

    Color Color1 = RGB(0, 0, 0);
    Color Color2 = RGB(0, 0, 0);
    Color Color3 = RGB(0, 0, 0);

    int ThemeMenu = 1;
    extern int ThemeSetting;

    while (1)
    {
        sceCtrlReadBufferPositive(&pad, 1);

        if (pad.Buttons != lastpad.Buttons)
        {
            if (pad.Buttons & PSP_CTRL_CROSS)
            {
                if (ThemeMenu == 1)
                {
                    //HERE'S WHERE WE WOULD START THE ACTUAL GAME
                }
            }

            if (pad.Buttons & PSP_CTRL_UP)
            {
            MP3_Play();
              if (ThemeMenu == 1)
                {
                    ThemeSetting--;
                    if (ThemeSetting < 1)
                        ThemeSetting = 1;
                }
            }

            if (pad.Buttons & PSP_CTRL_DOWN)
            {
            MP3_Play();
                if (ThemeMenu == 1)
                {
                    ThemeSetting++;
                    if (ThemeSetting > 3)
                        ThemeSetting = 3;
                }
            }

        }

        blitAlphaImageToScreen(0, 0 , 480, 272, Background, 0, 0);

        if (ThemeMenu == 1)
        {
            if (ThemeSetting == 1)
            {
                Color1 = RGB(190, 190, 190);
                Color2 = RGB(0, 0, 0);
                Color3 = RGB(0, 0, 0);
            }
            else if (ThemeSetting == 2)
            {
                Color1 = RGB(0, 0, 0);
                Color2 = RGB(190, 190, 190);
                Color3 = RGB(0, 0, 0);
            }
            else if (ThemeSetting == 3)
            {
                Color1 = RGB(0, 0, 0);
                Color2 = RGB(0, 0, 0);
                Color3 = RGB(190, 190, 190);
            }

            printTextScreen(170, 140, "Dark Theme", Color1);
            printTextScreen(170, 150, "Penguin Theme", Color2);
            printTextScreen(170, 160, "Kill your Fear Theme", Color3);
        }

        sceDisplayWaitVblankStart();
        flipScreen();
       
        lastpad = pad;
    }
    MP3_FreeTune();
    sceKernelSleepThread();
    return 0;
}

int main () {
SetupCallbacks();
pspDebugScreenInit();
initGraphics();
pspAudioInit();
SceCtrlData pad, lastpad;
sceCtrlReadBufferPositive(&lastpad, 1);
MP3_Init(1);
Image* Background2;
Background2 = loadImage("./images/sbg.png");
Image* Background3;
Background3 = loadImage("./images/background.png");
char x[2];
char variable[2] = "0";
char variable1[2] = "1";
char variable2[2] = "2";
FILE *theme;
if ((theme = fopen("./theme.txt","rb")) == NULL)
{
    printf("There is nothing in this file");
}
x[fread(x, 1, 1/*Number of bytes to read, In this case, 1*/, theme)] = 0;
fclose(theme);

if(strcmp (variable,x) == 0)
        {
        thememenu();
        }
if(strcmp (variable1,x) == 0)
        {
                  blitAlphaImageToScreen(0, 0 , 480, 272, Background2, 0, 0);
                  sceDisplayWaitVblankStart();
                  flipScreen();
        }
if(strcmp (variable2,x) == 0)
        {
                  blitAlphaImageToScreen(0, 0 , 480, 272, Background3, 0, 0);
                  sceDisplayWaitVblankStart();
                  flipScreen();
        }
sceKernelSleepThread();
return 0;
}

---

I think if you remove the "pspAudioInit();" 's, the code works, but the mp3 obviously doesn't play when i press up or down. :( However, if you keep it, the psp simply freezes. Also, i have tried to reinstall libmad, and i also checked if i had the pspaudio.h and pspaudiolib.h.

You're calling pspAudioInit() multiple times, remove the call in the thememenu() function.

Also if you want to use my wavloader library (even with MP3 too) don't call pspAudioInit() at all, as mikmod does this internally.