1 files changed, 48 insertions, 0 deletions
diff --git a/gr-digital/lib/crc16_async_bb_impl.h b/gr-digital/lib/crc16_async_bb_impl.h
new file mode 100644
index 0000000000..9e65164021
--- /dev/null
+++ b/gr-digital/lib/crc16_async_bb_impl.h
@@ -0,0 +1,48 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2021 Cesar Martinez.
+ *
+ * This file is part of GNU Radio
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#ifndef INCLUDED_DIGITAL_CRC16_ASYNC_BB_IMPL_H
+#define INCLUDED_DIGITAL_CRC16_ASYNC_BB_IMPL_H
+
+#include <gnuradio/digital/crc16_async_bb.h>
+#include <boost/crc.hpp>
+
+namespace gr {
+namespace digital {
+
+class crc16_async_bb_impl : public crc16_async_bb
+{
+private:
+    boost::crc_ccitt_type d_crc_ccitt_impl;
+
+    pmt::pmt_t d_in_port;
+    pmt::pmt_t d_out_port;
+
+    unsigned int process_crc(const uint8_t* bytes_in, size_t n_bytes_prcss);
+    void calc(pmt::pmt_t msg);
+    void check(pmt::pmt_t msg);
+
+public:
+    crc16_async_bb_impl(bool check);
+    ~crc16_async_bb_impl() override;
+
+    int general_work(int noutput_items,
+                     gr_vector_int& ninput_items,
+                     gr_vector_const_void_star& input_items,
+                     gr_vector_void_star& output_items) override;
+
+    uint64_t d_npass;
+    uint64_t d_nfail;
+};
+
+} // namespace digital
+} // namespace gr
+
+#endif /* INCLUDED_DIGITAL_crc16_ASYNC_BB_IMPL_H */