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Diffstat (limited to 'Marlin/src/HAL/DUE/usb/udi_msc.h')
| -rw-r--r-- | Marlin/src/HAL/DUE/usb/udi_msc.h | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/Marlin/src/HAL/DUE/usb/udi_msc.h b/Marlin/src/HAL/DUE/usb/udi_msc.h new file mode 100644 index 0000000..730dbc8 --- /dev/null +++ b/Marlin/src/HAL/DUE/usb/udi_msc.h @@ -0,0 +1,376 @@ +/** + * \file + * + * \brief USB Device Mass Storage Class (MSC) interface definitions. + * + * Copyright (c) 2009-2016 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="https://www.atmel.com/design-support/">Atmel Support</a> + */ + +#ifndef _UDI_MSC_H_ +#define _UDI_MSC_H_ + +#include "conf_usb.h" +#include "usb_protocol.h" +#include "usb_protocol_msc.h" +#include "udd.h" +#include "udc_desc.h" +#include "udi.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \addtogroup udi_msc_group_udc + * @{ + */ +//! Global structure which contains standard UDI interface for UDC +extern UDC_DESC_STORAGE udi_api_t udi_api_msc; +//@} + +/** + * \ingroup udi_msc_group + * \defgroup udi_msc_group USB interface descriptors + * + * The following structures provide predefined USB interface descriptors. + * It must be used to define the final USB descriptors. + */ +//@{ + +//! Interface descriptor structure for MSC +typedef struct { + usb_iface_desc_t iface; + usb_ep_desc_t ep_in; + usb_ep_desc_t ep_out; +} udi_msc_desc_t; + +//! By default no string associated to this interface +#ifndef UDI_MSC_STRING_ID +#define UDI_MSC_STRING_ID 0 +#endif + +//! MSC endpoints size for full speed +#define UDI_MSC_EPS_SIZE_FS 64 +//! MSC endpoints size for high speed +#define UDI_MSC_EPS_SIZE_HS 512 + +//! Content of MSC interface descriptor for all speeds +#define UDI_MSC_DESC \ + .iface.bLength = sizeof(usb_iface_desc_t),\ + .iface.bDescriptorType = USB_DT_INTERFACE,\ + .iface.bInterfaceNumber = UDI_MSC_IFACE_NUMBER,\ + .iface.bAlternateSetting = 0,\ + .iface.bNumEndpoints = 2,\ + .iface.bInterfaceClass = MSC_CLASS,\ + .iface.bInterfaceSubClass = MSC_SUBCLASS_TRANSPARENT,\ + .iface.bInterfaceProtocol = MSC_PROTOCOL_BULK,\ + .iface.iInterface = UDI_MSC_STRING_ID,\ + .ep_in.bLength = sizeof(usb_ep_desc_t),\ + .ep_in.bDescriptorType = USB_DT_ENDPOINT,\ + .ep_in.bEndpointAddress = UDI_MSC_EP_IN,\ + .ep_in.bmAttributes = USB_EP_TYPE_BULK,\ + .ep_in.bInterval = 0,\ + .ep_out.bLength = sizeof(usb_ep_desc_t),\ + .ep_out.bDescriptorType = USB_DT_ENDPOINT,\ + .ep_out.bEndpointAddress = UDI_MSC_EP_OUT,\ + .ep_out.bmAttributes = USB_EP_TYPE_BULK,\ + .ep_out.bInterval = 0, + +//! Content of MSC interface descriptor for full speed only +#define UDI_MSC_DESC_FS {\ + UDI_MSC_DESC \ + .ep_in.wMaxPacketSize = LE16(UDI_MSC_EPS_SIZE_FS),\ + .ep_out.wMaxPacketSize = LE16(UDI_MSC_EPS_SIZE_FS),\ + } + +//! Content of MSC interface descriptor for high speed only +#define UDI_MSC_DESC_HS {\ + UDI_MSC_DESC \ + .ep_in.wMaxPacketSize = LE16(UDI_MSC_EPS_SIZE_HS),\ + .ep_out.wMaxPacketSize = LE16(UDI_MSC_EPS_SIZE_HS),\ + } +//@} + + +/** + * \ingroup udi_group + * \defgroup udi_msc_group USB Device Interface (UDI) for Mass Storage Class (MSC) + * + * Common APIs used by high level application to use this USB class. + * + * These routines are used by memory to transfer its data + * to/from USB MSC endpoints. + * + * See \ref udi_msc_quickstart. + * @{ + */ + +/** + * \brief Process the background read/write commands + * + * Routine called by the main loop + */ +bool udi_msc_process_trans(void); + +/** + * \brief Transfers data to/from USB MSC endpoints + * + * + * \param b_read Memory to USB, if true + * \param block Buffer on Internal RAM to send or fill + * \param block_size Buffer size to send or fill + * \param callback Function to call at the end of transfer. + * If NULL then the routine exit when transfer is finish. + * + * \return \c 1 if function was successfully done, otherwise \c 0. + */ +bool udi_msc_trans_block(bool b_read, uint8_t * block, iram_size_t block_size, + void (*callback) (udd_ep_status_t status, iram_size_t n, udd_ep_id_t ep)); +//@} + +#ifdef __cplusplus +} +#endif + + +/** + * \page udi_msc_quickstart Quick start guide for USB device Mass Storage module (UDI MSC) + * + * This is the quick start guide for the \ref udi_msc_group + * "USB device interface MSC module (UDI MSC)" with step-by-step instructions on + * how to configure and use the modules in a selection of use cases. + * + * The use cases contain several code fragments. The code fragments in the + * steps for setup can be copied into a custom initialization function, while + * the steps for usage can be copied into, e.g., the main application function. + * + * \section udi_msc_basic_use_case Basic use case + * In this basic use case, the "USB MSC (Single Interface Device)" module is used. + * The "USB MSC (Composite Device)" module usage is described in \ref udi_msc_use_cases + * "Advanced use cases". + * + * \section udi_msc_basic_use_case_setup Setup steps + * \subsection udi_msc_basic_use_case_setup_prereq Prerequisites + * \copydetails udc_basic_use_case_setup_prereq + * \subsection udi_msc_basic_use_case_setup_code Example code + * \copydetails udc_basic_use_case_setup_code + * \subsection udi_msc_basic_use_case_setup_flow Workflow + * \copydetails udc_basic_use_case_setup_flow + * + * \section udi_msc_basic_use_case_usage Usage steps + * + * \subsection udi_msc_basic_use_case_usage_code Example code + * Content of conf_usb.h: + * \code + #define USB_DEVICE_SERIAL_NAME "12...EF" // Disk SN for MSC + #define UDI_MSC_GLOBAL_VENDOR_ID \ + 'A', 'T', 'M', 'E', 'L', ' ', ' ', ' ' + #define UDI_MSC_GLOBAL_PRODUCT_VERSION \ + '1', '.', '0', '0' + #define UDI_MSC_ENABLE_EXT() my_callback_msc_enable() + extern bool my_callback_msc_enable(void); + #define UDI_MSC_DISABLE_EXT() my_callback_msc_disable() + extern void my_callback_msc_disable(void); + #include "udi_msc_conf.h" // At the end of conf_usb.h file +\endcode + * + * Add to application C-file: + * \code + static bool my_flag_autorize_msc_transfert = false; + bool my_callback_msc_enable(void) + { + my_flag_autorize_msc_transfert = true; + return true; + } + void my_callback_msc_disable(void) + { + my_flag_autorize_msc_transfert = false; + } + + void task(void) + { + udi_msc_process_trans(); + } +\endcode + * + * \subsection udi_msc_basic_use_case_setup_flow Workflow + * -# Ensure that conf_usb.h is available and contains the following configuration, + * which is the USB device MSC configuration: + * - \code #define USB_DEVICE_SERIAL_NAME "12...EF" // Disk SN for MSC \endcode + * \note The USB serial number is mandatory when a MSC interface is used. + * - \code //! Vendor name and Product version of MSC interface + #define UDI_MSC_GLOBAL_VENDOR_ID \ + 'A', 'T', 'M', 'E', 'L', ' ', ' ', ' ' + #define UDI_MSC_GLOBAL_PRODUCT_VERSION \ + '1', '.', '0', '0' \endcode + * \note The USB MSC interface requires a vendor ID (8 ASCII characters) + * and a product version (4 ASCII characters). + * - \code #define UDI_MSC_ENABLE_EXT() my_callback_msc_enable() + extern bool my_callback_msc_enable(void); \endcode + * \note After the device enumeration (detecting and identifying USB devices), + * the USB host starts the device configuration. When the USB MSC interface + * from the device is accepted by the host, the USB host enables this interface and the + * UDI_MSC_ENABLE_EXT() callback function is called and return true. + * Thus, when this event is received, the tasks which call + * udi_msc_process_trans() must be enabled. + * - \code #define UDI_MSC_DISABLE_EXT() my_callback_msc_disable() + extern void my_callback_msc_disable(void); \endcode + * \note When the USB device is unplugged or is reset by the USB host, the USB + * interface is disabled and the UDI_MSC_DISABLE_EXT() callback function + * is called. Thus, it is recommended to disable the task which is called udi_msc_process_trans(). + * -# The MSC is automatically linked with memory control access component + * which provides the memories interfaces. However, the memory data transfers + * must be done outside USB interrupt routine. This is done in the MSC process + * ("udi_msc_process_trans()") called by main loop: + * - \code * void task(void) { + udi_msc_process_trans(); + } \endcode + * -# The MSC speed depends on task periodicity. To get the best speed + * the notification callback "UDI_MSC_NOTIFY_TRANS_EXT" can be used to wakeup + * this task (Example, through a mutex): + * - \code #define UDI_MSC_NOTIFY_TRANS_EXT() msc_notify_trans() + void msc_notify_trans(void) { + wakeup_my_task(); + } \endcode + * + * \section udi_msc_use_cases Advanced use cases + * For more advanced use of the UDI MSC module, see the following use cases: + * - \subpage udi_msc_use_case_composite + * - \subpage udc_use_case_1 + * - \subpage udc_use_case_2 + * - \subpage udc_use_case_3 + * - \subpage udc_use_case_5 + * - \subpage udc_use_case_6 + */ + +/** + * \page udi_msc_use_case_composite MSC in a composite device + * + * A USB Composite Device is a USB Device which uses more than one USB class. + * In this use case, the "USB MSC (Composite Device)" module is used to + * create a USB composite device. Thus, this USB module can be associated with + * another "Composite Device" module, like "USB HID Mouse (Composite Device)". + * + * Also, you can refer to application note + * <A href="https://www.atmel.com/dyn/resources/prod_documents/doc8445.pdf"> + * AVR4902 ASF - USB Composite Device</A>. + * + * \section udi_msc_use_case_composite_setup Setup steps + * For the setup code of this use case to work, the + * \ref udi_msc_basic_use_case "basic use case" must be followed. + * + * \section udi_msc_use_case_composite_usage Usage steps + * + * \subsection udi_msc_use_case_composite_usage_code Example code + * Content of conf_usb.h: + * \code + #define USB_DEVICE_EP_CTRL_SIZE 64 + #define USB_DEVICE_NB_INTERFACE (X+1) + #define USB_DEVICE_MAX_EP (X+2) + + #define UDI_MSC_EP_IN (X | USB_EP_DIR_IN) + #define UDI_MSC_EP_OUT (Y | USB_EP_DIR_OUT) + #define UDI_MSC_IFACE_NUMBER X + + #define UDI_COMPOSITE_DESC_T \ + udi_msc_desc_t udi_msc; \ + ... + #define UDI_COMPOSITE_DESC_FS \ + .udi_msc = UDI_MSC_DESC, \ + ... + #define UDI_COMPOSITE_DESC_HS \ + .udi_msc = UDI_MSC_DESC, \ + ... + #define UDI_COMPOSITE_API \ + &udi_api_msc, \ + ... +\endcode + * + * \subsection udi_msc_use_case_composite_usage_flow Workflow + * -# Ensure that conf_usb.h is available and contains the following parameters + * required for a USB composite device configuration: + * - \code // Endpoint control size, This must be: + // - 8, 16, 32 or 64 for full speed device (8 is recommended to save RAM) + // - 64 for a high speed device + #define USB_DEVICE_EP_CTRL_SIZE 64 + // Total Number of interfaces on this USB device. + // Add 1 for MSC. + #define USB_DEVICE_NB_INTERFACE (X+1) + // Total number of endpoints on this USB device. + // This must include each endpoint for each interface. + // Add 2 for MSC. + #define USB_DEVICE_MAX_EP (X+2) \endcode + * -# Ensure that conf_usb.h contains the description of + * composite device: + * - \code // The endpoint numbers chosen by you for the MSC. + // The endpoint numbers starting from 1. + #define UDI_MSC_EP_IN (X | USB_EP_DIR_IN) + #define UDI_MSC_EP_OUT (Y | USB_EP_DIR_OUT) + // The interface index of an interface starting from 0 + #define UDI_MSC_IFACE_NUMBER X \endcode + * -# Ensure that conf_usb.h contains the following parameters + * required for a USB composite device configuration: + * - \code // USB Interfaces descriptor structure + #define UDI_COMPOSITE_DESC_T \ + ... + udi_msc_desc_t udi_msc; \ + ... + // USB Interfaces descriptor value for Full Speed + #define UDI_COMPOSITE_DESC_FS \ + ... + .udi_msc = UDI_MSC_DESC_FS, \ + ... + // USB Interfaces descriptor value for High Speed + #define UDI_COMPOSITE_DESC_HS \ + ... + .udi_msc = UDI_MSC_DESC_HS, \ + ... + // USB Interface APIs + #define UDI_COMPOSITE_API \ + ... + &udi_api_msc, \ + ... \endcode + * - \note The descriptors order given in the four lists above must be the + * same as the order defined by all interface indexes. The interface index + * orders are defined through UDI_X_IFACE_NUMBER defines. + */ + +#endif // _UDI_MSC_H_ |