Various Doxygen updates.

Doxyfile

@@ -779,7 +779,7 @@ RECURSIVE              = YES
 # run.
 
 EXCLUDE                = config.h src/libsigrok-internal.h src/session_driver.c
-EXCLUDE               += src/std.c src/drivers.c src/ezusb.c src/serial.c
+EXCLUDE               += src/std.c src/drivers.c src/ezusb.c src/fallback.c
 EXCLUDE               += src/soft-trigger.c src/usb.c
 
 # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
@@ -804,21 +804,25 @@ EXCLUDE_SYMLINKS       = NO
 #  - src/std.c: Non-public helpers, no public API stuff in there.
 #  - src/drivers.c: Non-public helpers, no public API stuff in there.
 #  - src/ezusb.c: Non-public helpers, no public API stuff in there.
-#  - src/serial.c: Non-public helpers, no public API stuff in there.
+#  - src/fallback.c: Fallback functions to API calls from serial.c.
 #  - src/soft-trigger.c: Non-public helpers, no public API stuff in there.
 #  - src/usb.c: Non-public helpers, no public API stuff in there.
 #  - src/hardware/*: Only driver-specific stuff, no public API stuff in there.
 #  - src/input/*: Only input.c contains public API, everything else doesn't.
 #  - src/output/*: Only output.c contains public API, everything else doesn't.
+#  - src/transform/*: Only transform.c contains public API, everything else doesn't.
 #  - src/scpi/*: Non-public helpers, no public API stuff in there.
 #  - src/dmm/*: Non-public helpers, no public API stuff in there.
+#  - src/lcr/*: Non-public helpers, no public API stuff in there.
 #  - tests/*: Unit tests, no public API stuff in there.
 #  - bindings/*: Language bindings, no public API stuff in there.
 #  - doxy/*: Potentially already generated docs, should not be scanned.
 #
-EXCLUDE_PATTERNS       = */hardware/* */input/* */output/* */scpi/* */dmm/*
+EXCLUDE_PATTERNS       = */hardware/* */input/* */output/* */transform/*
+EXCLUDE_PATTERNS      += */scpi/* */dmm/* */lcr/*
 EXCLUDE_PATTERNS      += */tests/* */bindings/* */doxy/*
 INPUT                 += src/input/input.c src/output/output.c
+INPUT                 += src/transform/transform.c
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
 # (namespaces, classes, functions, etc.) that should be excluded from the

src/analog.c

@@ -24,7 +24,23 @@
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
+/** @cond PRIVATE */
 #define LOG_PREFIX "analog"
+/** @endcond */
+
+/**
+ * @file
+ *
+ * Handling and converting analog data.
+ */
+
+/**
+ * @defgroup grp_analog Analog data handling
+ *
+ * Handling and converting analog data.
+ *
+ * @{
+ */
 
 struct unit_mq_string {
 	uint64_t value;
@@ -241,3 +257,4 @@ SR_API void sr_rational_set(struct sr_rational *r, uint64_t p, uint64_t q)
 	r->q = q;
 }
 
+/** @} */

src/input/input.c

@@ -26,7 +26,9 @@
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
+/** @cond PRIVATE */
 #define LOG_PREFIX "input"
+/** @endcond */
 
 /**
  * @file

src/output/output.c

@@ -21,7 +21,9 @@
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
+/** @cond PRIVATE */
 #define LOG_PREFIX "output"
+/** @endcond */
 
 /**
  * @file

src/serial.c

@@ -28,7 +28,23 @@
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
+/** @cond PRIVATE */
 #define LOG_PREFIX "serial"
+/** @endcond */
+
+/**
+ * @file
+ *
+ * Serial port handling.
+ */
+
+/**
+ * @defgroup grp_serial Serial port handling
+ *
+ * Serial port handling functions.
+ *
+ * @{
+ */
 
 /**
  * Open the specified serial port.
@@ -42,6 +58,8 @@
  *
  * @retval SR_OK Success.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags)
 {
@@ -90,6 +108,8 @@ SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags)
  *
  * @retval SR_OK Success.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_close(struct sr_serial_dev_inst *serial)
 {
@@ -135,6 +155,8 @@ SR_PRIV int serial_close(struct sr_serial_dev_inst *serial)
  *
  * @retval SR_OK Success.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial)
 {
@@ -177,6 +199,8 @@ SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial)
  *
  * @retval SR_OK Success.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_drain(struct sr_serial_dev_inst *serial)
 {
@@ -257,6 +281,8 @@ static int _serial_write(struct sr_serial_dev_inst *serial,
  * @retval SR_ERR Other error.
  * @retval other The number of bytes written. If this is less than the number
  * specified in the call, the timeout was reached.
+ *
+ * @private
  */
 SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial,
 		const void *buf, size_t count, unsigned int timeout_ms)
@@ -274,7 +300,9 @@ SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial,
  * @retval SR_ERR_ARG Invalid argument.
  * @retval SR_ERR Other error.
  * @retval other The number of bytes written.
-*/
+ *
+ * @private
+ */
 SR_PRIV int serial_write_nonblocking(struct sr_serial_dev_inst *serial,
 		const void *buf, size_t count)
 {
@@ -331,6 +359,8 @@ static int _serial_read(struct sr_serial_dev_inst *serial, void *buf,
  * @retval SR_ERR     Other error.
  * @retval other      The number of bytes read. If this is less than the number
  * requested, the timeout was reached.
+ *
+ * @private
  */
 SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf,
 		size_t count, unsigned int timeout_ms)
@@ -349,6 +379,8 @@ SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf,
  * @retval SR_ERR_ARG Invalid argument.
  * @retval SR_ERR     Other error.
  * @retval other      The number of bytes read.
+ *
+ * @private
  */
 SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf,
 		size_t count)
@@ -371,6 +403,8 @@ SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf
  *
  * @retval SR_OK Success.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
 			      int bits, int parity, int stopbits,
@@ -450,13 +484,18 @@ SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
  * rts=0|1 Set RTS off resp. on.\n
  * Please note that values and combinations of these parameters must be
  * supported by the concrete serial interface hardware and the drivers for it.
+ *
  * @retval SR_OK Success.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
 		const char *paramstr)
 {
+/** @cond PRIVATE */
 #define SERIAL_COMM_SPEC "^(\\d+)/([5678])([neo])([12])(.*)$"
+/** @endcond */
 
 	GRegex *reg;
 	GMatchInfo *match;
@@ -561,6 +600,8 @@ SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
  *
  * @retval SR_OK Success.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
 		int *buflen, gint64 timeout_ms)
@@ -628,6 +669,8 @@ SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
  *
  * @retval SR_OK Valid packet was found within the given timeout.
  * @retval SR_ERR Failure.
+ *
+ * @private
  */
 SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
 				 uint8_t *buf, size_t *buflen,
@@ -707,6 +750,8 @@ SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
  *
  * @return SR_OK if a serial_device is found, SR_ERR if no device is found. The
  * returned string should not be freed by the caller.
+ *
+ * @private
  */
 SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
 				      const char **serial_options)
@@ -738,12 +783,15 @@ SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_devic
 	return SR_OK;
 }
 
+/** @cond PRIVATE */
 #ifdef _WIN32
 typedef HANDLE event_handle;
 #else
 typedef int event_handle;
 #endif
+/** @endcond */
 
+/** @private */
 SR_PRIV int serial_source_add(struct sr_session *session,
 		struct sr_serial_dev_inst *serial, int events, int timeout,
 		sr_receive_data_callback cb, void *cb_data)
@@ -789,6 +837,7 @@ SR_PRIV int serial_source_add(struct sr_session *session,
 	return SR_OK;
 }
 
+/** @private */
 SR_PRIV int serial_source_remove(struct sr_session *session,
 		struct sr_serial_dev_inst *serial)
 {
@@ -886,6 +935,8 @@ SR_API GSList *sr_serial_list(const struct sr_dev_driver *driver)
  * @return A GSList of strings containing the path of the serial device or
  *         NULL if no serial device is found. The returned list must be freed
  *         by the caller.
+ *
+ * @private
  */
 SR_PRIV GSList *sr_serial_find_usb(uint16_t vendor_id, uint16_t product_id)
 {
@@ -909,6 +960,7 @@ SR_PRIV GSList *sr_serial_find_usb(uint16_t vendor_id, uint16_t product_id)
 	return tty_devs;
 }
 
+/** @private */
 SR_PRIV int serial_timeout(struct sr_serial_dev_inst *port, int num_bytes)
 {
 	struct sp_port_config *config;
@@ -948,3 +1000,5 @@ SR_PRIV int serial_timeout(struct sr_serial_dev_inst *port, int num_bytes)
 
 	return timeout_ms;
 }
+
+/** @} */

src/transform/transform.c

@@ -22,7 +22,9 @@
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
+/** @cond PRIVATE */
 #define LOG_PREFIX "transform"
+/** @endcond */
 
 /**
  * @file