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Diffstat (limited to 'usrp2/firmware/apps/blink_leds2.c')
-rw-r--r--usrp2/firmware/apps/blink_leds2.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/usrp2/firmware/apps/blink_leds2.c b/usrp2/firmware/apps/blink_leds2.c
new file mode 100644
index 000000000..d4bd89a19
--- /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;
+}