1 files changed, 51 insertions, 0 deletions
diff --git a/firmware/microblaze/apps/cruft/test_lsdac.c b/firmware/microblaze/apps/cruft/test_lsdac.c
new file mode 100644
index 000000000..8c1bf333b
--- /dev/null
+++ b/firmware/microblaze/apps/cruft/test_lsdac.c
@@ -0,0 +1,51 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008 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/>.
+ */
+
+#include <lsdac.h>
+#include <u2_init.h>
+#include <nonstdio.h>
+#include <hal_io.h>
+
+int
+main(void)
+{
+  u2_init();
+
+  puts("\ntest_lsdac");
+
+  unsigned int up_counter = 0;
+  unsigned int dn_counter = 0;
+
+  while(1){
+    unsigned int v;
+    v = up_counter;
+    lsdac_write_rx(0, v << 0);
+    lsdac_write_rx(1, v << 1);
+    lsdac_write_rx(2, v << 2);
+    lsdac_write_rx(3, v << 3);
+
+    v = up_counter;
+    lsdac_write_tx(0, v << 0);
+    lsdac_write_tx(1, v << 1);
+    lsdac_write_tx(2, v << 2);
+    lsdac_write_tx(3, v << 3);
+
+    up_counter++;
+    dn_counter--;
+  }
+}