+ /** Sends a SET CONFIGURATION standard request to the attached device, with the given configuration index.
+ *
+ * This routine will automatically update the \ref USB_HostState and \ref USB_Host_ConfigurationNumber
+ * state variables according to the given function parameters and the result of the request.
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[in] ConfigNumber Configuration index to send to the device.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber);
+
+ /** Sends a GET CONFIGURATION standard request to the attached device, to retrieve the currently selected
+ * device configuration index.
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[out] ConfigNumber Pointer to a location where the retrieved configuration index should be stored.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ uint8_t USB_Host_GetDeviceConfiguration(uint8_t* const ConfigNumber) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Sends a GET DESCRIPTOR standard request to the attached device, requesting the descriptor of the
+ * specified type and index.
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[in] Type Type of descriptor to retrieve, a value from the \ref USB_DescriptorTypes_t enum.
+ * \param[in] Index Index of the descriptor to retrieve.
+ * \param[out] Buffer Pointer to the destination buffer where the retrieved string descriptor is to be stored.
+ * \param[in] BufferLength Maximum size of the string descriptor which can be stored into the buffer.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ uint8_t USB_Host_GetDescriptor(const uint8_t Type,
+ const uint8_t Index,
+ void* const Buffer,
+ const uint8_t BufferLength) ATTR_NON_NULL_PTR_ARG(3);
+
+ /** Retrieves the current feature status of the attached device, via a GET STATUS standard request. The
+ * retrieved feature status can then be examined by masking the retrieved value with the various
+ * \c FEATURE_* masks for bus/self power information and remote wakeup support.
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[out] FeatureStatus Location where the retrieved feature status should be stored.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ uint8_t USB_Host_GetDeviceStatus(uint8_t* const FeatureStatus) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Clears a stall condition on the given pipe, via a CLEAR FEATURE standard request to the attached device.
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[in] EndpointAddress Address of the endpoint to clear, including the endpoint's direction.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ uint8_t USB_Host_ClearEndpointStall(const uint8_t EndpointAddress);
+
+ /** Selects a given alternative setting for the specified interface, via a SET INTERFACE standard request to
+ * the attached device.
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[in] InterfaceIndex Index of the interface whose alternative setting is to be altered.
+ * \param[in] AltSetting Index of the interface's alternative setting which is to be selected.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceIndex,
+ const uint8_t AltSetting);
+
+
+ /** Retrieves the current alternative setting for the specified interface, via a GET INTERFACE standard request to
+ * the attached device.
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[in] InterfaceIndex Index of the interface whose alternative setting is to be altered.
+ * \param[out] AltSetting Pointer to a location where the retrieved alternative setting value should be stored.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ uint8_t USB_Host_GetInterfaceAltSetting(const uint8_t InterfaceIndex,
+ uint8_t* const AltSetting) ATTR_NON_NULL_PTR_ARG(2);
+
+ /* Inline Functions: */
+ /** Sends a GET DESCRIPTOR standard request to the attached device, requesting the device descriptor.
+ * This can be used to easily retrieve information about the device such as its VID, PID and power
+ * requirements. This is a convenience wrapper for \ref USB_Host_GetDescriptor().
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[out] DeviceDescriptorPtr Pointer to the destination device descriptor structure where
+ * the read data is to be stored.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ static inline uint8_t USB_Host_GetDeviceDescriptor(USB_Descriptor_Device_t* const DeviceDescriptorPtr) ATTR_NON_NULL_PTR_ARG(1);
+ static inline uint8_t USB_Host_GetDeviceDescriptor(USB_Descriptor_Device_t* const DeviceDescriptorPtr)
+ {
+ return USB_Host_GetDescriptor(DTYPE_Device, 0, DeviceDescriptorPtr, sizeof(USB_Descriptor_Device_t));
+ }
+
+ /** Sends a GET DESCRIPTOR standard request to the attached device, requesting the string descriptor
+ * of the specified index. This can be used to easily retrieve string descriptors from the device by
+ * index, after the index is obtained from the Device or Configuration descriptors. This is a convenience
+ * wrapper for \ref USB_Host_GetDescriptor().
+ *
+ * \note After this routine returns, the control pipe will be selected.
+ *
+ * \ingroup Group_PipeControlReq
+ *
+ * \param[in] Index Index of the string descriptor to retrieve.
+ * \param[out] Buffer Pointer to the destination buffer where the retrieved string descriptor is
+ * to be stored.
+ * \param[in] BufferLength Maximum size of the string descriptor which can be stored into the buffer.
+ *
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+ */
+ static inline uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index,
+ void* const Buffer,
+ const uint8_t BufferLength) ATTR_NON_NULL_PTR_ARG(2);
+ static inline uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index,
+ void* const Buffer,
+ const uint8_t BufferLength)
+ {
+ return USB_Host_GetDescriptor(DTYPE_String, Index, Buffer, BufferLength);
+ }
+
projects / pub / USBasp.git / blobdiff