Imported Upstream version 3.2.2

[debian/gnuradio] / usrp2 / firmware / apps / blink_leds2.c

diff --git a/usrp2/firmware/apps/blink_leds2.c b/usrp2/firmware/apps/blink_leds2.c
new file mode 100644 (file)
index 0000000..d4bd89a
--- /dev/null
+++ b/usrp2/firmware/apps/blink_leds2.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "u2_init.h"
+#include "memory_map.h"
+#include "hal_io.h"
+#include "pic.h"
+#include "nonstdio.h"
+
+//#define DELTA_T  (MASTER_CLK_RATE/2) // 0.5s (10ns per tick)
+#define DELTA_T  5000                  // 5 us (10ns per tick)
+
+
+void
+timer_handler(unsigned irq)
+{
+  hal_set_timeout(DELTA_T);    // schedule next timeout
+  hal_toggle_leds(0x2);
+}
+
+int
+main(void)
+{
+  u2_init();
+
+  putstr("blink_leds2\n");
+  pic_register_handler(IRQ_TIMER, timer_handler);
+  hal_set_timeout(DELTA_T);    // schedule next timeout
+
+  while(1){
+    hal_toggle_leds(0x1);
+  }
+
+  return 0;
+}