/
wizcaanoo.c
executable file
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/
wizcaanoo.c
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#if defined(WIZ) || defined(CAANOO)
#include "SDL_image.h"
#include "SDL_keysym.h"
#include "wizcaanoo.h"
#include "lab3d.h"
int stickfd=0;
int gpiofd=0;
int oldgpkey;
int ticksup, ticksdown;
int volume;
int volume_direction;
int weapon=0;
int InitWizCaanoo( void )
{
#if defined(CAANOO)
stickfd = open("/dev/input/event1", O_RDONLY|O_NONBLOCK);
if(stickfd < 0)
{
printf( "GPIO OPEN FAIL\n");
return 1;
}
else
{
printf("Wiz/Caanoo stick loaded\n");
}
#endif
gpiofd = open("/dev/GPIO", O_RDWR | O_NDELAY );
if(gpiofd < 0)
{
printf( "GPIO OPEN FAIL\n");
return 1;
}
else
{
printf("Wiz/Caanoo buttons loaded\n");
}
#ifdef WIZ_TIMER
wiz_timer_init();
#endif
return 0;
}
void CloseWizCaanoo( void )
{
close(gpiofd);
#if defined(CAANOO)
close(stickfd);
#endif
#ifdef WIZ_TIMER
wiz_timer_close();
#endif
}
#ifdef WIZ_TIMER
#define TIMER_BASE3 0x1980
#define TIMER_REG(x) memregs32[(TIMER_BASE3 + x) >> 2]
static unsigned long wiz_dev_mem;
static volatile unsigned int *memregs32;
void wiz_timer_init( void )
{
/* open /dev/mem to access registers */
wiz_dev_mem = open("/dev/mem", O_RDWR);
if(wiz_dev_mem < 0) {
fprintf(stderr, "WIZ: Unable to open /dev/mem");
}
/* get access to the registers */
memregs32 = (volatile unsigned int *)mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev_mem, 0xC0000000);
if(memregs32 == (volatile unsigned int *)0xFFFFFFFF) {
fprintf(stderr, "WIZ: Could not mmap hardware registers\n");
}
TIMER_REG(0x44) = 0x922;
TIMER_REG(0x40) = 0x0c;
TIMER_REG(0x08) = 0x6b;
}
void wiz_timer_close( void )
{
TIMER_REG(0x40) = 0x0c;
TIMER_REG(0x08) = 0x23;
TIMER_REG(0x00) = 0;
TIMER_REG(0x40) = 0;
TIMER_REG(0x44) = 0;
munmap((void *)memregs32, 0x20000);
close(wiz_dev_mem);
printf( "WIZ: hardware timer closed\n" );
}
unsigned long wiz_timer_read( void )
{
unsigned int microsec;
TIMER_REG(0x08) = 0x4b; /* run timer, latch value */
microsec = TIMER_REG(0);
return (microsec/1000);
}
void wiz_timer_delay( unsigned long delay )
{
unsigned int start;
start = wiz_timer_read();
while(wiz_timer_read()-start < delay) {}
}
#endif
#define RELEASED 0
#define PRESSED 1
int GetButttonState( int type, int value, int button )
{
int result = 0;
if (type == PRESSED) // released to pressed
{
if ( ((oldgpkey & button) <= 0) && ((value & button) >= 1) )
{
result = 1;
}
else result = 0;
}
else // pressed to released
{
if ( ((oldgpkey & button) >= 1) && ((value & button) <= 0) )
{
result = 1;
}
else result = 0;
}
return result;
}
int GetButtonsWizCaanoo( void )
{
int gpkey;
int key = 0;
read(gpiofd, &gpkey, 4);
#if defined(CAANOO)
ReadEvents( stickfd );
#else
// Use diagonals
if ((gpkey&GPH_UP_LEFT) && !((gpkey&GPH_UP) || (gpkey&GPH_LEFT))) {
gpkey=gpkey|GPH_UP;
gpkey=gpkey|GPH_LEFT;
}
if ((gpkey&GPH_UP_RIGHT) && !((gpkey&GPH_UP) || (gpkey&GPH_RIGHT))) {
gpkey=gpkey|GPH_UP;
gpkey=gpkey|GPH_RIGHT;
}
if ((gpkey&GPH_DOWN_LEFT) && !((gpkey&GPH_DOWN) || (gpkey&GPH_LEFT))) {
gpkey=gpkey|GPH_DOWN;
gpkey=gpkey|GPH_LEFT;
}
if ((gpkey&GPH_DOWN_RIGHT) && !((gpkey&GPH_DOWN) || (gpkey&GPH_RIGHT))) {
gpkey=gpkey|GPH_DOWN;
gpkey=gpkey|GPH_RIGHT;
}
// UP
if( GetButttonState( PRESSED, gpkey, GPH_UP ) ) { key = SDLK_u; newkeystatus[SDLK_UP] = keystatus[PCkey[SDLK_UP]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_UP ) ) { key = 0; newkeystatus[SDLK_UP] = keystatus[PCkey[SDLK_UP]]=0; }
// DOWN
if( GetButttonState( PRESSED, gpkey, GPH_DOWN ) ) { key = SDLK_d; newkeystatus[SDLK_DOWN] = keystatus[PCkey[SDLK_DOWN]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_DOWN ) ) { key = 0; newkeystatus[SDLK_DOWN] = keystatus[PCkey[SDLK_DOWN]]=0; }
// LEFT
if( GetButttonState( PRESSED, gpkey, GPH_LEFT ) ) { key = SDLK_l; newkeystatus[SDLK_LEFT] = keystatus[PCkey[SDLK_LEFT]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_LEFT ) ) { key = 0; newkeystatus[SDLK_LEFT] = keystatus[PCkey[SDLK_LEFT]]=0; }
// RIGHT
if( GetButttonState( PRESSED, gpkey, GPH_RIGHT ) ) { key = SDLK_r; newkeystatus[SDLK_RIGHT] = keystatus[PCkey[SDLK_RIGHT]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_RIGHT ) ) { key = 0; newkeystatus[SDLK_RIGHT] = keystatus[PCkey[SDLK_RIGHT]]=0; }
#endif
#if defined(CAANOO)
// ESC
if( GetButttonState( PRESSED, gpkey, GPH_HELP1 ) ) { key = SDLK_ESCAPE; newkeystatus[SDLK_ESCAPE] = keystatus[PCkey[SDLK_ESCAPE]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_HELP1 ) ) { key = 0; newkeystatus[SDLK_ESCAPE] = keystatus[PCkey[SDLK_ESCAPE]]=0; }
// Enter
if( GetButttonState( PRESSED, gpkey, GPH_PUSH ) ) { key = SDLK_RETURN; newkeystatus[SDLK_RETURN] = keystatus[PCkey[SDLK_RETURN]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_PUSH ) ) { key = 0; newkeystatus[SDLK_RETURN] = keystatus[PCkey[SDLK_RETURN]]=0; }
#endif
// ESC
if( GetButttonState( PRESSED, gpkey, GPH_START ) ) { key = SDLK_ESCAPE; newkeystatus[SDLK_ESCAPE] = keystatus[PCkey[SDLK_ESCAPE]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_START ) ) { key = 0; newkeystatus[SDLK_ESCAPE] = keystatus[PCkey[SDLK_ESCAPE]]=0; }
// Enter
if( GetButttonState( PRESSED, gpkey, GPH_SELECT ) ) { key = SDLK_RETURN; newkeystatus[SDLK_RETURN] = keystatus[PCkey[SDLK_RETURN]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_SELECT ) ) { key = 0; newkeystatus[SDLK_RETURN] = keystatus[PCkey[SDLK_RETURN]]=0; }
// Page Down
if( GetButttonState( PRESSED, gpkey, GPH_X ) ) { key = SDLK_x; newkeystatus[SDLK_PAGEUP] = keystatus[PCkey[SDLK_PAGEUP]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_X ) ) { key = 0; newkeystatus[SDLK_PAGEUP] = keystatus[PCkey[SDLK_PAGEUP]]=0; }
// Page Up
if( GetButttonState( PRESSED, gpkey, GPH_Y ) ) { key = SDLK_y; newkeystatus[SDLK_PAGEDOWN] = keystatus[PCkey[SDLK_PAGEDOWN]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_Y ) ) { key = 0; newkeystatus[SDLK_PAGEDOWN] = keystatus[PCkey[SDLK_PAGEDOWN]]=0; }
// Home
if( GetButttonState( PRESSED, gpkey, GPH_A ) ) { key = SDLK_a; newkeystatus[SDLK_HOME] = keystatus[PCkey[SDLK_HOME]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_A ) ) { key = 0; newkeystatus[SDLK_HOME] = keystatus[PCkey[SDLK_HOME]]=0; }
// End
if( GetButttonState( PRESSED, gpkey, GPH_B ) ) { key = SDLK_b; newkeystatus[SDLK_END] = keystatus[PCkey[SDLK_END]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_B ) ) { key = 0; newkeystatus[SDLK_END] = keystatus[PCkey[SDLK_END]]=0; }
// L
if( GetButttonState( PRESSED, gpkey, GPH_L ) ) { key = SDLK_l; newkeystatus[SDLK_LCTRL] = keystatus[PCkey[SDLK_LCTRL]]=1; }
else if ( GetButttonState( RELEASED, gpkey, GPH_L ) ) { key = 0; newkeystatus[SDLK_LCTRL] = keystatus[PCkey[SDLK_LCTRL]]=0; }
// R
if ( GetButttonState( PRESSED, gpkey, GPH_R ) )
{
key = SDLK_r;
weapon++;
if (weapon<0 || weapon>3)
weapon = 1;
switch( weapon )
{
case 1:
newkeystatus[SDLK_1] = keystatus[PCkey[SDLK_1]]=1;
break;
case 2:
newkeystatus[SDLK_2] = keystatus[PCkey[SDLK_2]]=1;
break;
case 3:
newkeystatus[SDLK_3] = keystatus[PCkey[SDLK_3]]=1;
break;
}
printf( "Weapon Change: %i\n", weapon );
}
else if ( GetButttonState( RELEASED, gpkey, GPH_R ) )
{
key = 0;
newkeystatus[SDLK_1] = keystatus[PCkey[SDLK_1]]=0;
newkeystatus[SDLK_2] = keystatus[PCkey[SDLK_2]]=0;
newkeystatus[SDLK_3] = keystatus[PCkey[SDLK_3]]=0;
}
#if defined(WIZ)
// Volume Up
if( (((oldgpkey & GPH_VOL_UP) == 0) && ((gpkey & GPH_VOL_UP)> 0)) ||
(((oldgpkey & GPH_VOL_UP) > 0) && ((gpkey & GPH_VOL_UP)> 0) && ((SDL_GetTicks() - ticksup) > VOLUME_TIME_RATE )) )
{
ticksup = SDL_GetTicks();
AdjustVolumeWiz(VOLUME_UP);
}
// Volume Down
if( (((oldgpkey & GPH_VOL_DOWN) == 0) && ((gpkey & GPH_VOL_DOWN)> 0)) ||
(((oldgpkey & GPH_VOL_DOWN) > 0) && ((gpkey & GPH_VOL_DOWN)> 0) && ((SDL_GetTicks() - ticksdown) > VOLUME_TIME_RATE )) )
{
ticksdown = SDL_GetTicks();
AdjustVolumeWiz(VOLUME_DOWN);
}
#endif
oldgpkey=gpkey;
return key;
}
#if defined(WIZ)
void AdjustVolumeWiz( int direction )
{
if( direction != VOLUME_NOCHG )
{
if( volume <= 10 )
{
if( direction == VOLUME_UP ) volume += VOLUME_CHANGE_RATE/2;
if( direction == VOLUME_DOWN ) volume -= VOLUME_CHANGE_RATE/2;
}
else
{
if( direction == VOLUME_UP ) volume += VOLUME_CHANGE_RATE;
if( direction == VOLUME_DOWN ) volume -= VOLUME_CHANGE_RATE;
}
if( volume < VOLUME_MIN ) volume = VOLUME_MIN;
if( volume > VOLUME_MAX ) volume = VOLUME_MAX;
printf( "Volume Change: %i\n", volume );
unsigned long soundDev = open("/dev/mixer", O_RDWR);
if(soundDev)
{
int vol = ((volume << 8) | volume);
ioctl(soundDev, SOUND_MIXER_WRITE_PCM, &vol);
close(soundDev);
}
}
}
void SplashWizCaanoo( void )
{
SDL_Surface* screen = NULL;
SDL_Surface* splash = NULL;
/* Initialize the SDL library and the video subsystem */
if( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
exit(1);
}
screen = SDL_SetVideoMode(320, 240, 16, SDL_SWSURFACE);
if ( screen == NULL ) {
fprintf(stderr, "Couldn't set 320x240x16 video mode: %s\n", SDL_GetError());
exit(1);
}
SDL_ShowCursor(SDL_DISABLE);
splash = IMG_Load( "splash1.png" );
if ( screen == NULL ) {
fprintf(stderr, "Couldn't load splash image: %s\n", SDL_GetError());
exit(1);
}
if (SDL_BlitSurface(splash, NULL, screen, NULL) < 0)
fprintf(stderr, "BlitSurface error: %s\n", SDL_GetError());
SDL_UpdateRect(screen, 0, 0, splash->w, splash->h);
SDL_Delay(2000);
SDL_FreeSurface(splash);
SDL_Quit();
}
#endif
#if defined(CAANOO)
#define DEAD_ZONE 64
#define ZERO_POINT 128
void ReadEvents( int fd )
{
int key;
struct input_event event[16];
int rbytes, i;
rbytes = read(fd, &event, sizeof(event));
if (rbytes <= 0)
return;
for (i=0; i<rbytes/sizeof(struct input_event); i++)
{
switch (event[i].type)
{
case EV_ABS:
switch (event[i].code)
{
case ABS_X:
if (event[i].value>ZERO_POINT+DEAD_ZONE) {
key = SDLK_r; newkeystatus[SDLK_RIGHT] = keystatus[PCkey[SDLK_RIGHT]]=1;
} else {
key = 0; newkeystatus[SDLK_RIGHT] = keystatus[PCkey[SDLK_RIGHT]]=0;
}
if (event[i].value<ZERO_POINT-DEAD_ZONE) {
key = SDLK_l; newkeystatus[SDLK_LEFT] = keystatus[PCkey[SDLK_LEFT]]=1;
} else {
key = 0; newkeystatus[SDLK_LEFT] = keystatus[PCkey[SDLK_LEFT]]=0;
}
printf("x = 0x%x\n", event[i].value);
break;
case ABS_Y:
if (event[i].value<ZERO_POINT-DEAD_ZONE) {
key = SDLK_u; newkeystatus[SDLK_UP] = keystatus[PCkey[SDLK_UP]]=1;
} else {
key = 0; newkeystatus[SDLK_UP] = keystatus[PCkey[SDLK_UP]]=0;
}
if (event[i].value>ZERO_POINT+DEAD_ZONE) {
key = SDLK_d; newkeystatus[SDLK_DOWN] = keystatus[PCkey[SDLK_DOWN]]=1;
} else {
key = 0; newkeystatus[SDLK_DOWN] = keystatus[PCkey[SDLK_DOWN]]=0;
}
printf("y = 0x%x\n", event[i].value);
break;
default :
printf("type = 0x%x, code = 0x%x\n", event[i].type, event[i].code);
}
break;
default:
if (event[i].type)
printf("type = 0x%x, code = 0x%x\n", event[i].type, event[i].code);
break;
}
}
}
#endif
#endif