summaryrefslogtreecommitdiffstats
path: root/lib/edi/buffer_unpack.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/edi/buffer_unpack.hpp')
-rw-r--r--lib/edi/buffer_unpack.hpp62
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);
+}
+
+}