start to add doxygen documentation to libosmocore headers
diff --git a/include/osmocom/core/bits.h b/include/osmocom/core/bits.h
index eb22d07..9f8e1fb 100644
--- a/include/osmocom/core/bits.h
+++ b/include/osmocom/core/bits.h
@@ -3,9 +3,13 @@
#include <stdint.h>
-typedef int8_t sbit_t; /* soft bit (-127...127) */
-typedef uint8_t ubit_t; /* unpacked bit (0 or 1) */
-typedef uint8_t pbit_t; /* packed bis (8 bits in a byte) */
+/*! \file bits.h
+ * \brief Osmocom bit level support code
+ */
+
+typedef int8_t sbit_t; /*!< \brief soft bit (-127...127) */
+typedef uint8_t ubit_t; /*!< \brief unpacked bit (0 or 1) */
+typedef uint8_t pbit_t; /*!< \brief packed bis (8 bits in a byte) */
/*
NOTE on the endianess of pbit_t:
@@ -13,7 +17,9 @@
Bit i in a pbit_t array is array[i/8] & (1<<(7-i%8))
*/
-/* determine how many bytes we would need for 'num_bits' packed bits */
+/*! \brief determine how many bytes we would need for \a num_bits packed bits
+ * \param[in] num_bits Number of packed bits
+ */
static inline unsigned int osmo_pbit_bytesize(unsigned int num_bits)
{
unsigned int pbit_bytesize = num_bits / 8;
@@ -24,20 +30,42 @@
return pbit_bytesize;
}
-/* convert unpacked bits to packed bits, return length in bytes */
+/*! \brief convert unpacked bits to packed bits, return length in bytes
+ * \param[out] out output buffer of packed bits
+ * \param[in] in input buffer of unpacked bits
+ * \param[in] num_bits number of bits
+ */
int osmo_ubit2pbit(pbit_t *out, const ubit_t *in, unsigned int num_bits);
-/* convert packed bits to unpacked bits, return length in bytes */
+/*! \brief convert packed bits to unpacked bits, return length in bytes
+ * \param[out] out output buffer of unpacked bits
+ * \param[in] in input buffer of packed bits
+ * \param[in] num_bits number of bits
+ */
int osmo_pbit2ubit(ubit_t *out, const pbit_t *in, unsigned int num_bits);
-/* convert unpacked bits to packed bits (extended options but slower),
- * return length in bytes (max written ofs of output buffer + 1) */
+/*! \brief convert unpacked bits to packed bits (extended options)
+ * \param[out] out output buffer of packed bits
+ * \param[in] out_ofs offset into output buffer
+ * \param[in] in input buffer of unpacked bits
+ * \param[in] in_ofs offset into input buffer
+ * \param[in] num_bits number of bits
+ * \param[in] lsb_mode Encode bits in LSB orde instead of MSB
+ * \returns length in bytes (max written offset of output buffer + 1)
+ */
int osmo_ubit2pbit_ext(pbit_t *out, unsigned int out_ofs,
const ubit_t *in, unsigned int in_ofs,
unsigned int num_bits, int lsb_mode);
-/* convert packed bits to unpacked bits (extended options but slower),
- * return length in bytes (max written ofs of output buffer + 1) */
+/*! \brief convert packed bits to unpacked bits (extended options)
+ * \param[out] out output buffer of unpacked bits
+ * \param[in] out_ofs offset into output buffer
+ * \param[in] in input buffer of packed bits
+ * \param[in] in_ofs offset into input buffer
+ * \param[in] num_bits number of bits
+ * \param[in] lsb_mode Encode bits in LSB orde instead of MSB
+ * \returns length in bytes (max written offset of output buffer + 1)
+ */
int osmo_pbit2ubit_ext(ubit_t *out, unsigned int out_ofs,
const pbit_t *in, unsigned int in_ofs,
unsigned int num_bits, int lsb_mode);