Documentation-related fixes.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12568 110e8d01-0319-4d1e-a829-52ad28d1bb01

os/hal/dox/hal_persistent.dox

@@ -0,0 +1,20 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @defgroup HAL_PERSISTENT Abstract Persistent Storage
+ * @ingroup HAL_INTERFACES
+ */

os/hal/include/hal_sio.h

@@ -132,6 +132,7 @@ typedef enum {
  * @note    If the FIFO is full then the behavior is unpredictable.
  *
  * @param[in] siop      pointer to the @p SIODriver object
+ * @param[in] data      frame to be written
  *
  * @xclass
  */

os/hal/lib/complex/serial_nor/hal_serial_nor.c

@@ -123,6 +123,7 @@ void bus_release(BUSDriver *busp) {
  * @brief   Returns a pointer to the device descriptor.
  *
  * @param[in] instance  instance pointer
+ * @return              Pointer to a static descriptor structure.
  */
 static const flash_descriptor_t *snor_get_descriptor(void *instance) {
   SNORDriver *devp = (SNORDriver *)instance;

os/hal/lib/complex/serial_nor/hal_serial_nor.h

@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    serial_nor.h
+ * @file    hal_serial_nor.h
  * @brief   Serial NOR driver header.
  *
  * @addtogroup HAL_SERIAL_NOR

os/hal/lib/streams/chprintf.c

@@ -296,6 +296,8 @@ unsigned_common:
  *
  * @param[in] chp       pointer to a @p BaseSequentialStream implementing object
  * @param[in] fmt       formatting string
+ * @return              The number of bytes that would have been
+ *                      written to @p chp if no stream error occurs
  *
  * @api
  */
@@ -370,6 +372,7 @@ int chsnprintf(char *str, size_t size, const char *fmt, ...) {
  *
  * @param[in] str       pointer to a buffer
  * @param[in] size      maximum size of the buffer
+ * @param[in] fmt       formatting string
  * @param[in] ap        list of parameters
  * @return              The number of characters (excluding the
  *                      terminating NUL byte) that would have been

os/hal/templates/hal_sio_lld.h

@@ -171,6 +171,7 @@ struct hal_sio_driver {
  * @note    If the FIFO is full then the behavior is unpredictable.
  *
  * @param[in] siop      pointer to the @p SIODriver object
+ * @param[in] data      frame to be written
  *
  * @notapi
  */