diff options
Diffstat (limited to 'tmk_core/protocol/arm_atsam/usb/udc.h')
| -rw-r--r-- | tmk_core/protocol/arm_atsam/usb/udc.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/tmk_core/protocol/arm_atsam/usb/udc.h b/tmk_core/protocol/arm_atsam/usb/udc.h new file mode 100644 index 000000000..33335d186 --- /dev/null +++ b/tmk_core/protocol/arm_atsam/usb/udc.h @@ -0,0 +1,260 @@ +/** + * \file + * + * \brief Interface of the USB Device Controller (UDC) + * + * Copyright (c) 2009-2015 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ +/* + * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> + */ + +#ifndef _UDC_H_ +#define _UDC_H_ + +#include "conf_usb.h" +#include "usb_protocol.h" +#include "udc_desc.h" +#include "udd.h" + +#if USB_DEVICE_VENDOR_ID == 0 +# error USB_DEVICE_VENDOR_ID cannot be equal to 0 +#endif + +#if USB_DEVICE_PRODUCT_ID == 0 +# error USB_DEVICE_PRODUCT_ID cannot be equal to 0 +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \ingroup usb_device_group + * \defgroup udc_group USB Device Controller (UDC) + * + * The UDC provides a high-level abstraction of the usb device. + * You can use these functions to control the main device state + * (start/attach/wakeup). + * + * \section USB_DEVICE_CONF USB Device Custom configuration + * The following USB Device configuration must be included in the conf_usb.h + * file of the application. + * + * USB_DEVICE_VENDOR_ID (Word)<br> + * Vendor ID provided by USB org (ATMEL 0x03EB). + * + * USB_DEVICE_PRODUCT_ID (Word)<br> + * Product ID (Referenced in usb_atmel.h). + * + * USB_DEVICE_MAJOR_VERSION (Byte)<br> + * Major version of the device + * + * USB_DEVICE_MINOR_VERSION (Byte)<br> + * Minor version of the device + * + * USB_DEVICE_MANUFACTURE_NAME (string)<br> + * ASCII name for the manufacture + * + * USB_DEVICE_PRODUCT_NAME (string)<br> + * ASCII name for the product + * + * USB_DEVICE_SERIAL_NAME (string)<br> + * ASCII name to enable and set a serial number + * + * USB_DEVICE_POWER (Numeric)<br> + * (unit mA) Maximum device power + * + * USB_DEVICE_ATTR (Byte)<br> + * USB attributes available: + * - USB_CONFIG_ATTR_SELF_POWERED + * - USB_CONFIG_ATTR_REMOTE_WAKEUP + * Note: if remote wake enabled then defines remotewakeup callbacks, + * see Table 5-2. External API from UDC - Callback + * + * USB_DEVICE_LOW_SPEED (Only defined)<br> + * Force the USB Device to run in low speed + * + * USB_DEVICE_HS_SUPPORT (Only defined)<br> + * Authorize the USB Device to run in high speed + * + * USB_DEVICE_MAX_EP (Byte)<br> + * Define the maximum endpoint number used by the USB Device.<br> + * This one is already defined in UDI default configuration. + * Ex: + * - When endpoint control 0x00, endpoint 0x01 and + * endpoint 0x82 is used then USB_DEVICE_MAX_EP=2 + * - When only endpoint control 0x00 is used then USB_DEVICE_MAX_EP=0 + * - When endpoint 0x01 and endpoint 0x81 is used then USB_DEVICE_MAX_EP=1<br> + * (configuration not possible on USBB interface) + * @{ + */ + +/** + * \brief Authorizes the VBUS event + * + * \return true, if the VBUS monitoring is possible. + * + * \section udc_vbus_monitoring VBus monitoring used cases + * + * The VBus monitoring is used only for USB SELF Power application. + * + * - By default the USB device is automatically attached when Vbus is high + * or when USB is start for devices without internal Vbus monitoring. + * conf_usb.h file does not contains define USB_DEVICE_ATTACH_AUTO_DISABLE. + * \code //#define USB_DEVICE_ATTACH_AUTO_DISABLE \endcode + * + * - Add custom VBUS monitoring. conf_usb.h file contains define + * USB_DEVICE_ATTACH_AUTO_DISABLE: + * \code #define USB_DEVICE_ATTACH_AUTO_DISABLE \endcode + * User C file contains: + * \code + // Authorize VBUS monitoring + if (!udc_include_vbus_monitoring()) { + // Implement custom VBUS monitoring via GPIO or other + } + Event_VBUS_present() // VBUS interrupt or GPIO interrupt or other + { + // Attach USB Device + udc_attach(); + } +\endcode + * + * - Case of battery charging. conf_usb.h file contains define + * USB_DEVICE_ATTACH_AUTO_DISABLE: + * \code #define USB_DEVICE_ATTACH_AUTO_DISABLE \endcode + * User C file contains: + * \code + Event VBUS present() // VBUS interrupt or GPIO interrupt or .. + { + // Authorize battery charging, but wait key press to start USB. + } + Event Key press() + { + // Stop batteries charging + // Start USB + udc_attach(); + } +\endcode + */ +static inline bool udc_include_vbus_monitoring(void) +{ + return udd_include_vbus_monitoring(); +} + +/*! \brief Start the USB Device stack + */ +void udc_start(void); + +/*! \brief Stop the USB Device stack + */ +void udc_stop(void); + +/** + * \brief Attach device to the bus when possible + * + * \warning If a VBus control is included in driver, + * then it will attach device when an acceptable Vbus + * level from the host is detected. + */ +static inline void udc_attach(void) +{ + udd_attach(); +} + +/** + * \brief Detaches the device from the bus + * + * The driver must remove pull-up on USB line D- or D+. + */ +static inline void udc_detach(void) +{ + udd_detach(); +} + +/*! \brief The USB driver sends a resume signal called \e "Upstream Resume" + * This is authorized only when the remote wakeup feature is enabled by host. + */ +inline void udc_remotewakeup(void) +{ + udd_send_remotewakeup(); +} + +/** + * \brief Returns a pointer on the current interface descriptor + * + * \return pointer on the current interface descriptor. + */ +usb_iface_desc_t UDC_DESC_STORAGE *udc_get_interface_desc(void); + +//@} + +/** + * \ingroup usb_group + * \defgroup usb_device_group USB Stack Device + * + * This module includes USB Stack Device implementation. + * The stack is divided in three parts: + * - USB Device Controller (UDC) provides USB chapter 9 compliance + * - USB Device Interface (UDI) provides USB Class compliance + * - USB Device Driver (UDD) provides USB Driver for each Atmel MCU + + * Many USB Device applications can be implemented on Atmel MCU. + * Atmel provides many application notes for different applications: + * - AVR4900, provides general information about Device Stack + * - AVR4901, explains how to create a new class + * - AVR4902, explains how to create a composite device + * - AVR49xx, all device classes provided in ASF have an application note + * + * A basic USB knowledge is required to understand the USB Device + * Class application notes (HID,MS,CDC,PHDC,...). + * Then, to create an USB device with + * only one class provided by ASF, refer directly to the application note + * corresponding to this USB class. The USB Device application note for + * New Class and Composite is dedicated to advanced USB users. + * + * @{ + */ + +//! @} + +#ifdef __cplusplus +} +#endif + +#endif // _UDC_H_ |