Minor documentation improvements.

This commit is contained in:
Dean Camera 2011-01-08 11:47:20 +00:00
parent d126146887
commit 7dc3d3a68f
48 changed files with 329 additions and 324 deletions

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@ -142,17 +142,17 @@
* \subsection Sec_ClassDriverDevice Device Mode Class Drivers
* Implementing a Device Mode Class Driver in a user application requires a number of steps to be followed. Firstly,
* the module configuration and state structure must be added to the project source. These structures are named in a
* similar manner between classes, that of <i>USB_ClassInfo_<b>{Class Name}</b>_Device_t</i>, and are used to hold the
* similar manner between classes, that of <tt>USB_ClassInfo_<i>{Class Name}</i>_Device_t</tt>, and are used to hold the
* complete state and configuration for each class instance. Multiple class instances is where the power of the class
* drivers lie; multiple interfaces of the same class simply require more instances of the Class Driver's ClassInfo
* drivers lie; multiple interfaces of the same class simply require more instances of the Class Driver's \c USB_ClassInfo_*
* structure.
*
* Inside the ClassInfo structure lies two sections, a <i>Config</i> section, and a <i>State</i> section. The Config
* Inside the ClassInfo structure lies two sections, a \c Config section, and a \c State section. The \c Config
* section contains the instance's configuration parameters, and <b>must have all fields set by the user application</b>
* before the class driver is used. Each Device mode Class driver typically contains a set of configuration parameters
* for the endpoint size/number of the associated logical USB interface, plus any class-specific configuration parameters.
*
* The <i>State</i> section of the ClassInfo structures are designed to be controlled by the Class Drivers only for
* The \c State section of the \c USB_ClassInfo_* structures are designed to be controlled by the Class Drivers only for
* maintaining the Class Driver instance's state, and should not normally be set by the user application.
*
* The following is an example of a properly initialized instance of the Audio Class Driver structure:
@ -173,11 +173,11 @@
* \note The class driver's configuration parameters should match those used in the device's descriptors that are
* sent to the host.
*
* To initialize the Class driver instance, the driver's <i><b>{Class Name}</b>_Device_ConfigureEndpoints()</i> function
* To initialize the Class driver instance, the driver's <tt><i>{Class Name}</i>_Device_ConfigureEndpoints()</tt> function
* should be called in response to the \ref EVENT_USB_Device_ConfigurationChanged() event. This function will return a
* boolean value if the driver successfully initialized the instance. Like all the class driver functions, this function
* takes in the address of the specific instance you wish to initialize - in this manner, multiple separate instances of
* the same class type can be initialized like thus:
* the same class type can be initialized like this:
*
* \code
* void EVENT_USB_Device_ConfigurationChanged(void)
@ -190,7 +190,7 @@
* \endcode
*
* Once initialized, it is important to maintain the class driver's state by repeatedly calling the Class Driver's
* <i><b>{Class Name}</b>_Device_USBTask()</i> function in the main program loop. The exact implementation of this
* <tt><i>{Class Name}</i>_Device_USBTask()</tt> function in the main program loop. The exact implementation of this
* function varies between class drivers, and can be used for any internal class driver purpose to maintain each
* instance. Again, this function uses the address of the instance to operate on, and thus needs to be called for each
* separate instance, just like the main USB maintenance routine \ref USB_USBTask():
@ -213,7 +213,7 @@
* \endcode
*
* The final standardized Device Class Driver function is the Control Request handler function
* <i><b>{Class Name}</b>_Device_ProcessControlRequest()</i>, which should be called when the
* <tt><i>{Class Name}</i>_Device_ProcessControlRequest()</tt>, which should be called when the
* \ref EVENT_USB_Device_ControlRequest() event fires. This function should also be called for
* each class driver instance, using the address of the instance to operate on as the function's
* parameter. The request handler will abort if it is determined that the current request is not
@ -227,10 +227,10 @@
* }
* \endcode
*
* Each class driver may also define a set of callback functions (which are prefixed by "CALLBACK_"
* Each class driver may also define a set of callback functions (which are prefixed by \c CALLBACK_*
* in the function's name) which <b>must</b> also be added to the user application - refer to each
* individual class driver's documentation for mandatory callbacks. In addition, each class driver may
* also define a set of events (identifiable by their prefix of "EVENT_" in the function's name), which
* also define a set of events (identifiable by their prefix of \c EVENT_* in the function's name), which
* the user application <b>may</b> choose to implement, or ignore if not needed.
*
* The individual Device Mode Class Driver documentation contains more information on the non-standardized,
@ -241,17 +241,17 @@
* \subsection Sec_ClassDriverHost Host Mode Class Drivers
* Implementing a Host Mode Class Driver in a user application requires a number of steps to be followed. Firstly,
* the module configuration and state structure must be added to the project source. These structures are named in a
* similar manner between classes, that of <i>USB_ClassInfo_<b>{Class Name}</b>_Host_t</i>, and are used to hold the
* similar manner between classes, that of <tt>USB_ClassInfo_<b>{Class Name}</b>_Host_t</tt>, and are used to hold the
* complete state and configuration for each class instance. Multiple class instances is where the power of the class
* drivers lie; multiple interfaces of the same class simply require more instances of the Class Driver's ClassInfo
* drivers lie; multiple interfaces of the same class simply require more instances of the Class Driver's \c USB_ClassInfo_*
* structure.
*
* Inside the ClassInfo structure lies two sections, a <i>Config</i> section, and a <i>State</i> section. The Config
* Inside the \c USB_ClassInfo_* structure lies two sections, a \c Config section, and a \c State section. The \c Config
* section contains the instance's configuration parameters, and <b>must have all fields set by the user application</b>
* before the class driver is used. Each Device mode Class driver typically contains a set of configuration parameters
* for the endpoint size/number of the associated logical USB interface, plus any class-specific configuration parameters.
*
* The <i>State</i> section of the ClassInfo structures are designed to be controlled by the Class Drivers only for
* The \c State section of the \c USB_ClassInfo_* structures are designed to be controlled by the Class Drivers only for
* maintaining the Class Driver instance's state, and should not normally be set by the user application.
*
* The following is an example of a properly initialized instance of the MIDI Class Driver structure:
@ -270,9 +270,9 @@
* };
* \endcode
*
* To initialize the Class driver instance, the driver's <i><b>{Class Name}</b>_Host_ConfigurePipes()</i> function
* To initialize the Class driver instance, the driver's <tt><b>{Class Name}</b>_Host_ConfigurePipes()</tt> function
* should be called in response to the host state machine entering the \ref HOST_STATE_Addressed state. This function
* will return an error code from the class driver's <i><b>{Class Name}</b>_EnumerationFailure_ErrorCodes_t</i> enum
* will return an error code from the class driver's <tt><b>{Class Name}</b>_EnumerationFailure_ErrorCodes_t</tt> enum
* to indicate if the driver successfully initialized the instance and bound it to an interface in the attached device.
* Like all the class driver functions, this function takes in the address of the specific instance you wish to initialize -
* in this manner, multiple separate instances of the same class type can be initialized. A fragment of a Class Driver
@ -314,7 +314,7 @@
* the configuration will fail.
*
* Once initialized, it is important to maintain the class driver's state by repeatedly calling the Class Driver's
* <i><b>{Class Name}</b>_Host_USBTask()</i> function in the main program loop. The exact implementation of this
* <tt><b>{Class Name}</b>_Host_USBTask()</tt> function in the main program loop. The exact implementation of this
* function varies between class drivers, and can be used for any internal class driver purpose to maintain each
* instance. Again, this function uses the address of the instance to operate on, and thus needs to be called for each
* separate instance, just like the main USB maintenance routine \ref USB_USBTask():
@ -339,10 +339,10 @@
* }
* \endcode
*
* Each class driver may also define a set of callback functions (which are prefixed by "CALLBACK_"
* Each class driver may also define a set of callback functions (which are prefixed by \c CALLBACK_*
* in the function's name) which <b>must</b> also be added to the user application - refer to each
* individual class driver's documentation for mandatory callbacks. In addition, each class driver may
* also define a set of events (identifiable by their prefix of "EVENT_" in the function's name), which
* also define a set of events (identifiable by their prefix of \c EVENT_* in the function's name), which
* the user application <b>may</b> choose to implement, or ignore if not needed.
*
* The individual Host Mode Class Driver documentation contains more information on the non-standardized,