1 files changed, 113 insertions, 4 deletions
diff --git a/lib/pbdrv/pb-send.h b/lib/pbdrv/pb-send.h
index 2f8be1e..7e21eda 100644
--- a/lib/pbdrv/pb-send.h
+++ b/lib/pbdrv/pb-send.h
@@ -7,17 +7,126 @@
 extern "C" {
 #endif
 
-void pb_send_reply(pb_msg_t * msg, pb_buf_t * reply);
+/**
+ * \ingroup pbdrv-mod
+ * \defgroup pb_send Send
+ * \brief Functions for directly creating serialized message buffers
+ * \{
+ */
 
+/**
+ * \brief Utility function for replying to a message
+ *
+ * \param msg Message to reply to
+ * \param reply Data to send as reply
+ *
+ * This function uses \c pb_i2c_send() to send \p reply to \p msg->sender.
+ */
+void pb_send_reply(const pb_msg_t * msg, const pb_buf_t * reply);
+
+/**
+ * \brief Create a serialized \ref PB_CMD_PROP "PROP" \ref PB_ACTION_REQ "REQ"
+ * message
+ *
+ * \param propid Property ID to request
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
 pb_buf_t pb_send_read_req(uint8_t propid);
-pb_buf_t pb_send_read_res(uint8_t propid, uint8_t * value, size_t size);
-pb_buf_t pb_send_write_req(uint8_t propid, uint8_t * value, size_t size);
+/**
+ * \brief Create a serialized \ref PB_CMD_PROP "PROP" \ref PB_ACTION_RES "RES"
+ * message
+ *
+ * \param propid Requested property ID
+ * \param value Pointer to structured data in property
+ * \param size Size of \p value
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
+pb_buf_t pb_send_read_res(uint8_t propid, const uint8_t * value, size_t size);
+/**
+ * \brief Create a serialized \ref PB_CMD_PROP "PROP" \ref PB_ACTION_SET "SET"
+ * message
+ *
+ * \param propid Property ID to write
+ * \param value Pointer to data to write to property
+ * \param size Size of \p value
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
+pb_buf_t pb_send_write_req(uint8_t propid, const uint8_t * value, size_t size);
+/**
+ * \brief Create a serialized \ref PB_CMD_STATE "STATE" \ref PB_ACTION_REQ
+ * "REQ" message
+ *
+ * The current module's state is obtained using \c pb_hook_mod_state_read().
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
 pb_buf_t pb_send_state_req();
-pb_buf_t pb_send_state_res(pb_global_state_t state);
+/**
+ * \brief Create a serialized \ref PB_CMD_STATE "STATE" \ref PB_ACTION_RES
+ * "RES" message
+ *
+ * The current module's state is obtained using \c pb_hook_mod_state_read().
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
+pb_buf_t pb_send_state_res();
+/**
+ * \brief Create a serialized \ref PB_CMD_STATE "STATE" \ref PB_ACTION_SET
+ * "SET" message
+ *
+ * \param state Requested new state
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
 pb_buf_t pb_send_state_set(pb_global_state_t state);
+/**
+ * \brief Create a serialized \ref PB_CMD_MAGIC "MAGIC" \ref PB_ACTION_REQ
+ * "REQ" message
+ *
+ * The magic string is equal to \ref pb_cmd_magic_req.
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
 pb_buf_t pb_send_magic_req();
+/**
+ * \brief Create a serialized \ref PB_CMD_MAGIC "MAGIC" \ref PB_ACTION_RES
+ * "RES" message
+ *
+ * The magic string is equal to \ref pb_cmd_magic_res.
+ *
+ * \return Message buffer
+ *
+ * \note The buffer returned by this function must be free'd with \c
+ * pb_buf_free().
+ */
 pb_buf_t pb_send_magic_res();
 
+/// \}
+
 #ifdef __cplusplus
 }
 #endif