1 files changed, 45 insertions, 0 deletions
diff --git a/Radio/HW/BladeRF/firmware_common/misc.h b/Radio/HW/BladeRF/firmware_common/misc.h
new file mode 100644
index 0000000..b3b434e
--- /dev/null
+++ b/Radio/HW/BladeRF/firmware_common/misc.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018 Nuand LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MISC_LIB
+#define MISC_LIB
+
+#include <stdint.h>
+
+uint16_t zcrc(uint8_t *data, size_t len){
+   uint16_t ret = 0;
+   int b, msb;
+   unsigned i;
+
+   for (i = 0; i < len; i++) {
+      ret ^= data[i] << 8;
+      for (b = 0; b < 8; b++) {
+         msb = ret & 0x8000;
+         ret <<= 1;
+         if (msb) {
+            ret ^= 0x1021;
+         }
+      }
+   }
+   return ret;
+}
+
+#endif