From 8d957f068792b4ee55f807930c975699c29922a2 Mon Sep 17 00:00:00 2001
From: erdgeist <>
Date: Tue, 16 Sep 2008 15:40:46 +0000
Subject: Kickoff

---
 main.c | 172 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 main.c

(limited to 'main.c')

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..e645b48
--- /dev/null
+++ b/main.c
@@ -0,0 +1,172 @@
+#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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