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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <time.h>
#include <cwiid.h>
#include "gm.h"
#include "display.h"
/* Our wii's bluetooth and wii handles */
static bdaddr_t g_bdaddr[4];
static cwiid_wiimote_t *g_wiimotes[4];
static int g_num_controls = 0;
static int g_samples_received = 0;
static uint32_t g_starttime;
static volatile int g_redraw_lock = 0;
static const int g_width = 400, g_height = 300;
cwiid_mesg_callback_t cwiid_callback;
cwiid_err_t err;
void err(cwiid_wiimote_t *wiimote, const char *s, va_list ap)
{
if (wiimote) printf("%d:", cwiid_get_id(wiimote)); else printf("-1:");
vprintf(s, ap);
printf("\n");
}
int main( int argc, char **argv ) {
int LEDs[4] = { CWIID_LED1_ON, CWIID_LED1_ON | CWIID_LED2_ON,
CWIID_LED1_ON | CWIID_LED2_ON | CWIID_LED3_ON,
CWIID_LED1_ON | CWIID_LED2_ON | CWIID_LED3_ON | CWIID_LED4_ON };
int i;
struct timeval now;
signal( SIGINT, exit );
display_init( g_width, g_height);
cwiid_set_err(err);
/* If no bdaddrs given on command line, just connect to
first visible wii */
if( argc <= 1 ) {
char bt_out[64];
g_bdaddr[0] = *BDADDR_ANY;
while( !(g_wiimotes[g_num_controls] = cwiid_open( &g_bdaddr[0], 0 )))
fprintf( stderr, "Unable to connect to wiimote\n" );
ba2str( &g_bdaddr[0], bt_out );
fprintf( stderr, "Connected to wiimote %i (BT-Addr: %s)\n", i, bt_out );
g_num_controls++;
}
/* ... else try to reach every single wii */
for( i=0; i<argc-1; ++i ) {
str2ba(argv[i+1], &g_bdaddr[i]);
while( !(g_wiimotes[g_num_controls] = cwiid_open( &g_bdaddr[i], 0 )))
fprintf( stderr, "Unable to connect to wiimote %i (BT-Addr: %s)\n", i, argv[i+1] );
g_num_controls++;
fprintf( stderr, "Connected to wiimote %i (BT-Addr: %s)\n", i, argv[i+1] );
}
for( i=0; i<g_num_controls; ++i ) {
if (cwiid_set_mesg_callback(g_wiimotes[i], cwiid_callback)) {
fprintf(stderr, "Unable to set message callback\n");
return -1;
}
/* Set report mode to IR */
cwiid_set_rpt_mode(g_wiimotes[i], CWIID_RPT_IR);
/* Enable call back */
cwiid_enable(g_wiimotes[i], CWIID_FLAG_MESG_IFC);
/* Reflect number in leds */
cwiid_set_led(g_wiimotes[i], LEDs[i]);
}
gettimeofday(&now, (struct timezone *)NULL);
g_starttime = now.tv_sec * 1000 + now.tv_usec / 1000; /* in ms */
/* Spin and let call back do all the work */
while( 1 ) {
if( ! (++i & 0xffff ) ) {
int wii_id, led;
while( g_redraw_lock );
for( wii_id=0; wii_id<4; ++wii_id )
for( led = 0; led<4; ++led )
display_rectangle( wii_id, led * g_width / 16, 0, g_width / 16, vubars_getinfo(wii_id, led)/2 );
display_redraw();
usleep( 1000 );
vubars_reduce();
display_rectangle( 2, g_width/2-10, 0, 20, -vubars_getweather()/2 );
display_rectangle( 2, g_width/2-15, -128, 30, 1 );
display_rectangle( 2, g_width/2-15, -64, 30, 1 );
}
}
return 0;
}
void cwiid_callback(cwiid_wiimote_t *wiimote, int mesg_count,
union cwiid_mesg mesg[], struct timespec *timestamp)
{
int i, j, k, wii_id, ledmask;
int valid_sources;
struct timeval now;
uint32_t runtime;
wii_pt coords[4];
gettimeofday(&now, (struct timezone *)NULL);
runtime = now.tv_sec * 1000 + now.tv_usec / 1000 - g_starttime; /* in ms */
for( i=0; i<g_num_controls; ++i ) {
if( wiimote == g_wiimotes[i] )
wii_id = i;
}
g_redraw_lock = 1;
display_clear();
g_samples_received++;
for (i=0; i < mesg_count; i++) {
switch (mesg[i].type) {
case CWIID_MESG_IR:
// printf("IR Report (%i): ", wii_id );
// printf("(%ld Hz) ", ( g_samples_received * 1000 ) / runtime );
valid_sources = 0;
for (j = 0; j < CWIID_IR_SRC_COUNT; j++) {
if (mesg[i].ir_mesg.src[j].valid) {
coords[valid_sources].x = (double)mesg[i].ir_mesg.src[j].pos[CWIID_X];
coords[valid_sources].y = (double)mesg[i].ir_mesg.src[j].pos[CWIID_Y];
display_circle( wii_id, coords[valid_sources].x / 5.0, coords[valid_sources].y / 5.0, 6 );
valid_sources++;
// printf("(%d,%d) ", mesg[i].ir_mesg.src[j].pos[CWIID_X],
// mesg[i].ir_mesg.src[j].pos[CWIID_Y]);
}
}
if (!valid_sources) {
// printf("no sources detected");
}
if( valid_sources == 4 ) {
wii_calibrate( wii_id, coords );
}
ledmask = 0;
for( j=0; j<valid_sources; ++j ) {
int led = wii_point_to_led( wii_id, coords+j );
ledmask |= 1<<led;
}
for( j=0; j<4; ++j ) {
vubars_peak( wii_id, j, ( ledmask >> j ) & 1 );
}
break;
default:
break;
}
}
g_redraw_lock = 0;
}
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