Add first version of EDI input

1 files changed, 62 insertions, 0 deletions

diff --git a/lib/edi/buffer_unpack.hpp b/lib/edi/buffer_unpack.hpp
new file mode 100644
index 0000000..05a1534
--- /dev/null
+++ b/lib/edi/buffer_unpack.hpp
@@ -0,0 +1,62 @@
+/*
+   Copyright (C) 2016
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    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 2 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, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#pragma once
+#include <stdint.h>
+
+namespace EdiDecoder {
+
+template<class T>
+uint16_t read_16b(T buf)
+{
+    uint16_t value = 0;
+    value = (uint16_t)(buf[0]) << 8;
+    value |= (uint16_t)(buf[1]);
+    return value;
+}
+
+template<class T>
+uint32_t read_24b(T buf)
+{
+    uint32_t value = 0;
+    value = (uint32_t)(buf[0]) << 16;
+    value |= (uint32_t)(buf[1]) << 8;
+    value |= (uint32_t)(buf[2]);
+    return value;
+}
+
+template<class T>
+uint32_t read_32b(T buf)
+{
+    uint32_t value = 0;
+    value = (uint32_t)(buf[0]) << 24;
+    value |= (uint32_t)(buf[1]) << 16;
+    value |= (uint32_t)(buf[2]) << 8;
+    value |= (uint32_t)(buf[3]);
+    return value;
+}
+
+inline uint32_t unpack1bit(uint8_t byte, int bitpos)
+{
+    return (byte & 1 << (7-bitpos)) > (7-bitpos);
+}
+
+}