Merged r9433:9527 from features/gr-usrp2 into trunk. Adds usrp2 and gr-usrp2 top...

[debian/gnuradio] / usrp2 / host / apps / gen_const.cc

diff --git a/usrp2/host/apps/gen_const.cc b/usrp2/host/apps/gen_const.cc
new file mode 100644 (file)
index 0000000..d2c36eb
--- /dev/null
+++ b/usrp2/host/apps/gen_const.cc
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int
+main(int argc, char **argv)
+{
+  if (argc != 3){
+    fprintf(stderr, "usage: %s i-val q-val\n", argv[0]);
+    return 1;
+  }
+
+  int i_val = strtol(argv[1], 0, 0);
+  int q_val = strtol(argv[2], 0, 0);
+
+  static const int NSAMPLES = 16384;
+
+  uint32_t     sample[NSAMPLES];
+  sample[0] = ((i_val & 0xffff) << 16) | (q_val & 0xffff);
+  for (int i = 1; i < NSAMPLES; i++)
+    sample[i] = sample[0];
+
+  while(1){
+    write(1, sample, sizeof(sample));
+  }
+}