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micropython/ports/stm32/usbdev/class/src/usbd_cdc_msc_hid.c

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49 KiB
C
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include STM32_HAL_H
#include "usbd_ioreq.h"
#include "usbd_cdc_msc_hid.h"
#define MSC_TEMPLATE_CONFIG_DESC_SIZE (32)
#define MSC_TEMPLATE_MSC_DESC_OFFSET (9)
#define CDC_TEMPLATE_CONFIG_DESC_SIZE (67)
#define CDC_MSC_TEMPLATE_CONFIG_DESC_SIZE (98)
#define CDC_MSC_TEMPLATE_MSC_DESC_OFFSET (9)
#define CDC_MSC_TEMPLATE_CDC_DESC_OFFSET (40)
#define CDC_HID_TEMPLATE_CONFIG_DESC_SIZE (107)
#define CDC_HID_TEMPLATE_HID_DESC_OFFSET (9)
#define CDC_HID_TEMPLATE_CDC_DESC_OFFSET (49)
#define CDC_TEMPLATE_CDC_DESC_OFFSET (9)
#define CDC_DESC_OFFSET_INTR_INTERVAL (34)
#define CDC_DESC_OFFSET_OUT_MAX_PACKET_LO (48)
#define CDC_DESC_OFFSET_OUT_MAX_PACKET_HI (49)
#define CDC_DESC_OFFSET_IN_MAX_PACKET_LO (55)
#define CDC_DESC_OFFSET_IN_MAX_PACKET_HI (56)
#define HID_DESC_OFFSET_SUBCLASS (6)
#define HID_DESC_OFFSET_PROTOCOL (7)
#define HID_DESC_OFFSET_SUBDESC (9)
#define HID_DESC_OFFSET_REPORT_DESC_LEN (16)
#define HID_DESC_OFFSET_MAX_PACKET_LO (22)
#define HID_DESC_OFFSET_MAX_PACKET_HI (23)
#define HID_DESC_OFFSET_POLLING_INTERVAL (24)
#define HID_DESC_OFFSET_MAX_PACKET_OUT_LO (29)
#define HID_DESC_OFFSET_MAX_PACKET_OUT_HI (30)
#define HID_DESC_OFFSET_POLLING_INTERVAL_OUT (31)
#define HID_SUBDESC_LEN (9)
#define CDC_IFACE_NUM_ALONE (0)
#define CDC_IFACE_NUM_WITH_MSC (1)
#define CDC_IFACE_NUM_WITH_HID (1)
#define MSC_IFACE_NUM_WITH_CDC (0)
#define HID_IFACE_NUM_WITH_CDC (0)
#define HID_IFACE_NUM_WITH_MSC (1)
#define HID_IN_EP_WITH_CDC (0x81)
#define HID_OUT_EP_WITH_CDC (0x01)
#define HID_IN_EP_WITH_MSC (0x83)
#define HID_OUT_EP_WITH_MSC (0x03)
#define USB_DESC_TYPE_ASSOCIATION (0x0b)
#define CDC_CMD_PACKET_SIZE (8) // Control Endpoint Packet size
#define BOT_GET_MAX_LUN (0xfe)
#define BOT_RESET (0xff)
#define HID_DESCRIPTOR_TYPE (0x21)
#define HID_REPORT_DESC (0x22)
#define HID_REQ_SET_PROTOCOL (0x0b)
#define HID_REQ_GET_PROTOCOL (0x03)
#define HID_REQ_SET_IDLE (0x0a)
#define HID_REQ_GET_IDLE (0x02)
#if USBD_SUPPORT_HS_MODE
// USB Standard Device Descriptor
__ALIGN_BEGIN static uint8_t USBD_CDC_MSC_HID_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END = {
USB_LEN_DEV_QUALIFIER_DESC,
USB_DESC_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x00,
0x00,
0x00,
0x40, // same for CDC and MSC (latter being MSC_FS_MAX_PACKET), HID is 0x04
0x01,
0x00,
};
#endif
// USB MSC device Configuration Descriptor
static const uint8_t msc_template_config_desc[MSC_TEMPLATE_CONFIG_DESC_SIZE] = {
//--------------------------------------------------------------------------
// Configuration Descriptor
0x09, // bLength: Configuration Descriptor size
USB_DESC_TYPE_CONFIGURATION, // bDescriptorType: Configuration
LOBYTE(MSC_TEMPLATE_CONFIG_DESC_SIZE), // wTotalLength: no of returned bytes
HIBYTE(MSC_TEMPLATE_CONFIG_DESC_SIZE),
0x01, // bNumInterfaces: 1 interfaces
0x01, // bConfigurationValue: Configuration value
0x00, // iConfiguration: Index of string descriptor describing the configuration
0x80, // bmAttributes: bus powered; 0xc0 for self powered
0xfa, // bMaxPower: in units of 2mA
//==========================================================================
// MSC only has 1 interface so doesn't need an IAD
//--------------------------------------------------------------------------
// Interface Descriptor
0x09, // bLength: Interface Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: interface descriptor
MSC_IFACE_NUM_WITH_CDC, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x02, // bNumEndpoints
0x08, // bInterfaceClass: MSC Class
0x06, // bInterfaceSubClass : SCSI transparent
0x50, // nInterfaceProtocol
0x00, // iInterface:
// Endpoint IN descriptor
0x07, // bLength: Endpoint descriptor length
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
MSC_IN_EP, // bEndpointAddress: IN, address 3
0x02, // bmAttributes: Bulk endpoint type
LOBYTE(MSC_FS_MAX_PACKET), // wMaxPacketSize
HIBYTE(MSC_FS_MAX_PACKET),
0x00, // bInterval: ignore for Bulk transfer
// Endpoint OUT descriptor
0x07, // bLength: Endpoint descriptor length
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
MSC_OUT_EP, // bEndpointAddress: OUT, address 3
0x02, // bmAttributes: Bulk endpoint type
LOBYTE(MSC_FS_MAX_PACKET), // wMaxPacketSize
HIBYTE(MSC_FS_MAX_PACKET),
0x00, // bInterval: ignore for Bulk transfer
};
// USB CDC MSC device Configuration Descriptor
static const uint8_t cdc_msc_template_config_desc[CDC_MSC_TEMPLATE_CONFIG_DESC_SIZE] = {
//--------------------------------------------------------------------------
// Configuration Descriptor
0x09, // bLength: Configuration Descriptor size
USB_DESC_TYPE_CONFIGURATION, // bDescriptorType: Configuration
LOBYTE(CDC_MSC_TEMPLATE_CONFIG_DESC_SIZE), // wTotalLength: no of returned bytes
HIBYTE(CDC_MSC_TEMPLATE_CONFIG_DESC_SIZE),
0x03, // bNumInterfaces: 3 interfaces
0x01, // bConfigurationValue: Configuration value
0x00, // iConfiguration: Index of string descriptor describing the configuration
0x80, // bmAttributes: bus powered; 0xc0 for self powered
0xfa, // bMaxPower: in units of 2mA
//==========================================================================
// MSC only has 1 interface so doesn't need an IAD
//--------------------------------------------------------------------------
// Interface Descriptor
0x09, // bLength: Interface Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: interface descriptor
MSC_IFACE_NUM_WITH_CDC, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x02, // bNumEndpoints
0x08, // bInterfaceClass: MSC Class
0x06, // bInterfaceSubClass : SCSI transparent
0x50, // nInterfaceProtocol
0x00, // iInterface:
// Endpoint IN descriptor
0x07, // bLength: Endpoint descriptor length
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
MSC_IN_EP, // bEndpointAddress: IN, address 3
0x02, // bmAttributes: Bulk endpoint type
LOBYTE(MSC_FS_MAX_PACKET), // wMaxPacketSize
HIBYTE(MSC_FS_MAX_PACKET),
0x00, // bInterval: ignore for Bulk transfer
// Endpoint OUT descriptor
0x07, // bLength: Endpoint descriptor length
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
MSC_OUT_EP, // bEndpointAddress: OUT, address 3
0x02, // bmAttributes: Bulk endpoint type
LOBYTE(MSC_FS_MAX_PACKET), // wMaxPacketSize
HIBYTE(MSC_FS_MAX_PACKET),
0x00, // bInterval: ignore for Bulk transfer
//==========================================================================
// Interface Association for CDC VCP
0x08, // bLength: 8 bytes
USB_DESC_TYPE_ASSOCIATION, // bDescriptorType: IAD
CDC_IFACE_NUM_WITH_MSC, // bFirstInterface: first interface for this association
0x02, // bInterfaceCount: nummber of interfaces for this association
0x02, // bFunctionClass: Communication Interface Class
0x02, // bFunctionSubClass: Abstract Control Model
0x01, // bFunctionProtocol: Common AT commands
0x00, // iFunction: index of string for this function
//--------------------------------------------------------------------------
// Interface Descriptor
0x09, // bLength: Interface Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: Interface
CDC_IFACE_NUM_WITH_MSC, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x01, // bNumEndpoints: One endpoints used
0x02, // bInterfaceClass: Communication Interface Class
0x02, // bInterfaceSubClass: Abstract Control Model
0x01, // bInterfaceProtocol: Common AT commands
0x00, // iInterface:
// Header Functional Descriptor
0x05, // bLength: Endpoint Descriptor size
0x24, // bDescriptorType: CS_INTERFACE
0x00, // bDescriptorSubtype: Header Func Desc
0x10, // bcdCDC: spec release number
0x01, // ?
// Call Management Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x01, // bDescriptorSubtype: Call Management Func Desc
0x00, // bmCapabilities: D0+D1
CDC_IFACE_NUM_WITH_MSC + 1, // bDataInterface: 1
// ACM Functional Descriptor
0x04, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x02, // bDescriptorSubtype: Abstract Control Management desc
0x02, // bmCapabilities
// Union Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x06, // bDescriptorSubtype: Union func desc
CDC_IFACE_NUM_WITH_MSC + 0, // bMasterInterface: Communication class interface
CDC_IFACE_NUM_WITH_MSC + 1, // bSlaveInterface0: Data Class Interface
// Endpoint 2 Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_CMD_EP, // bEndpointAddress
0x03, // bmAttributes: Interrupt
LOBYTE(CDC_CMD_PACKET_SIZE), // wMaxPacketSize:
HIBYTE(CDC_CMD_PACKET_SIZE),
0x20, // bInterval: polling interval in frames of 1ms
//--------------------------------------------------------------------------
// Data class interface descriptor
0x09, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: interface
CDC_IFACE_NUM_WITH_MSC + 1, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x02, // bNumEndpoints: Two endpoints used
0x0A, // bInterfaceClass: CDC
0x00, // bInterfaceSubClass: ?
0x00, // bInterfaceProtocol: ?
0x00, // iInterface:
// Endpoint OUT Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_OUT_EP, // bEndpointAddress
0x02, // bmAttributes: Bulk
LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
0x00, // bInterval: ignore for Bulk transfer
// Endpoint IN Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_IN_EP, // bEndpointAddress
0x02, // bmAttributes: Bulk
LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
0x00, // bInterval: ignore for Bulk transfer
};
// USB CDC HID device Configuration Descriptor
static const uint8_t cdc_hid_template_config_desc[CDC_HID_TEMPLATE_CONFIG_DESC_SIZE] = {
//--------------------------------------------------------------------------
// Configuration Descriptor
0x09, // bLength: Configuration Descriptor size
USB_DESC_TYPE_CONFIGURATION, // bDescriptorType: Configuration
LOBYTE(CDC_HID_TEMPLATE_CONFIG_DESC_SIZE), // wTotalLength: no of returned bytes
HIBYTE(CDC_HID_TEMPLATE_CONFIG_DESC_SIZE),
0x03, // bNumInterfaces: 3 interfaces
0x01, // bConfigurationValue: Configuration value
0x00, // iConfiguration: Index of string descriptor describing the configuration
0x80, // bmAttributes: bus powered; 0xc0 for self powered
0xfa, // bMaxPower: in units of 2mA
//==========================================================================
// HID only has 1 interface so doesn't need an IAD
//--------------------------------------------------------------------------
// Interface Descriptor
0x09, // bLength: Interface Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: interface descriptor
HID_IFACE_NUM_WITH_CDC, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x02, // bNumEndpoints
0x03, // bInterfaceClass: HID Class
0x01, // bInterfaceSubClass: 0=no sub class, 1=boot
0x02, // nInterfaceProtocol: 0=none, 1=keyboard, 2=mouse
0x00, // iInterface:
// HID descriptor
0x09, // bLength: HID Descriptor size
HID_DESCRIPTOR_TYPE, // bDescriptorType: HID
0x11, // bcdHID: HID Class Spec release number
0x01,
0x00, // bCountryCode: Hardware target country
0x01, // bNumDescriptors: Number of HID class descriptors to follow
0x22, // bDescriptorType
USBD_HID_MOUSE_REPORT_DESC_SIZE, // wItemLength: Total length of Report descriptor
0x00,
// Endpoint IN descriptor
0x07, // bLength: Endpoint descriptor length
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
HID_IN_EP_WITH_CDC, // bEndpointAddress: IN
0x03, // bmAttributes: Interrupt endpoint type
LOBYTE(USBD_HID_MOUSE_MAX_PACKET), // wMaxPacketSize
HIBYTE(USBD_HID_MOUSE_MAX_PACKET),
0x08, // bInterval: Polling interval
// Endpoint OUT descriptor
0x07, // bLength: Endpoint descriptor length
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
HID_OUT_EP_WITH_CDC, // bEndpointAddress: OUT
0x03, // bmAttributes: Interrupt endpoint type
LOBYTE(USBD_HID_MOUSE_MAX_PACKET), // wMaxPacketSize
HIBYTE(USBD_HID_MOUSE_MAX_PACKET),
0x08, // bInterval: Polling interval
//==========================================================================
// Interface Association for CDC VCP
0x08, // bLength: 8 bytes
USB_DESC_TYPE_ASSOCIATION, // bDescriptorType: IAD
CDC_IFACE_NUM_WITH_HID, // bFirstInterface: first interface for this association
0x02, // bInterfaceCount: nummber of interfaces for this association
0x02, // bFunctionClass: Communication Interface Class
0x02, // bFunctionSubClass: Abstract Control Model
0x01, // bFunctionProtocol: Common AT commands
0x00, // iFunction: index of string for this function
//--------------------------------------------------------------------------
// Interface Descriptor
0x09, // bLength: Interface Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: Interface
CDC_IFACE_NUM_WITH_HID, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x01, // bNumEndpoints: One endpoints used
0x02, // bInterfaceClass: Communication Interface Class
0x02, // bInterfaceSubClass: Abstract Control Model
0x01, // bInterfaceProtocol: Common AT commands
0x00, // iInterface:
// Header Functional Descriptor
0x05, // bLength: Endpoint Descriptor size
0x24, // bDescriptorType: CS_INTERFACE
0x00, // bDescriptorSubtype: Header Func Desc
0x10, // bcdCDC: spec release number
0x01, // ?
// Call Management Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x01, // bDescriptorSubtype: Call Management Func Desc
0x00, // bmCapabilities: D0+D1
CDC_IFACE_NUM_WITH_HID + 1, // bDataInterface: 1
// ACM Functional Descriptor
0x04, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x02, // bDescriptorSubtype: Abstract Control Management desc
0x02, // bmCapabilities
// Union Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x06, // bDescriptorSubtype: Union func desc
CDC_IFACE_NUM_WITH_HID + 0, // bMasterInterface: Communication class interface
CDC_IFACE_NUM_WITH_HID + 1, // bSlaveInterface0: Data Class Interface
// Endpoint 2 Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_CMD_EP, // bEndpointAddress
0x03, // bmAttributes: Interrupt
LOBYTE(CDC_CMD_PACKET_SIZE), // wMaxPacketSize:
HIBYTE(CDC_CMD_PACKET_SIZE),
0x20, // bInterval: polling interval in frames of 1ms
//--------------------------------------------------------------------------
// Data class interface descriptor
0x09, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: interface
CDC_IFACE_NUM_WITH_HID + 1, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x02, // bNumEndpoints: Two endpoints used
0x0A, // bInterfaceClass: CDC
0x00, // bInterfaceSubClass: ?
0x00, // bInterfaceProtocol: ?
0x00, // iInterface:
// Endpoint OUT Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_OUT_EP, // bEndpointAddress
0x02, // bmAttributes: Bulk
LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
0x00, // bInterval: ignore for Bulk transfer
// Endpoint IN Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_IN_EP, // bEndpointAddress
0x02, // bmAttributes: Bulk
LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
0x00, // bInterval: ignore for Bulk transfer
};
static const uint8_t cdc_template_config_desc[CDC_TEMPLATE_CONFIG_DESC_SIZE] = {
//--------------------------------------------------------------------------
// Configuration Descriptor
0x09, // bLength: Configuration Descriptor size
USB_DESC_TYPE_CONFIGURATION, // bDescriptorType: Configuration
LOBYTE(CDC_TEMPLATE_CONFIG_DESC_SIZE), // wTotalLength:no of returned bytes
HIBYTE(CDC_TEMPLATE_CONFIG_DESC_SIZE),
0x02, // bNumInterfaces: 2 interface
0x01, // bConfigurationValue: Configuration value
0x00, // iConfiguration: Index of string descriptor describing the configuration
0x80, // bmAttributes: bus powered; 0xc0 for self powered
0xfa, // bMaxPower: in units of 2mA
//--------------------------------------------------------------------------
// Interface Descriptor
0x09, // bLength: Interface Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType: Interface
CDC_IFACE_NUM_ALONE, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x01, // bNumEndpoints: One endpoints used
0x02, // bInterfaceClass: Communication Interface Class
0x02, // bInterfaceSubClass: Abstract Control Model
0x01, // bInterfaceProtocol: Common AT commands
0x00, // iInterface:
// Header Functional Descriptor
0x05, // bLength: Endpoint Descriptor size
0x24, // bDescriptorType: CS_INTERFACE
0x00, // bDescriptorSubtype: Header Func Desc
0x10, // bcdCDC: spec release number
0x01, // ?
// Call Management Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x01, // bDescriptorSubtype: Call Management Func Desc
0x00, // bmCapabilities: D0+D1
CDC_IFACE_NUM_ALONE + 1, // bDataInterface: 1
// ACM Functional Descriptor
0x04, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x02, // bDescriptorSubtype: Abstract Control Management desc
0x02, // bmCapabilities
// Union Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x06, // bDescriptorSubtype: Union func desc
CDC_IFACE_NUM_ALONE + 0, // bMasterInterface: Communication class interface
CDC_IFACE_NUM_ALONE + 1, // bSlaveInterface0: Data Class Interface
// Endpoint 2 Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_CMD_EP, // bEndpointAddress
0x03, // bmAttributes: Interrupt
LOBYTE(CDC_CMD_PACKET_SIZE), // wMaxPacketSize:
HIBYTE(CDC_CMD_PACKET_SIZE),
0x20, // bInterval: polling interval in frames of 1ms
//--------------------------------------------------------------------------
// Data class interface descriptor
0x09, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_INTERFACE, // bDescriptorType:
CDC_IFACE_NUM_ALONE + 1, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x02, // bNumEndpoints: Two endpoints used
0x0a, // bInterfaceClass: CDC
0x00, // bInterfaceSubClass: ?
0x00, // bInterfaceProtocol: ?
0x00, // iInterface:
// Endpoint OUT Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_OUT_EP, // bEndpointAddress
0x02, // bmAttributes: Bulk
LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
0x00, // bInterval: ignore for Bulk transfer
// Endpoint IN Descriptor
0x07, // bLength: Endpoint Descriptor size
USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
CDC_IN_EP, // bEndpointAddress
0x02, // bmAttributes: Bulk
LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
0x00 // bInterval: ignore for Bulk transfer
};
__ALIGN_BEGIN const uint8_t USBD_HID_MOUSE_ReportDesc[USBD_HID_MOUSE_REPORT_DESC_SIZE] __ALIGN_END = {
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x02, // Usage (Mouse),
0xA1, 0x01, // Collection (Application),
0x09, 0x01, // Usage (Pointer),
0xA1, 0x00, // Collection (Physical),
0x05, 0x09, // Usage Page (Buttons),
0x19, 0x01, // Usage Minimum (01),
0x29, 0x03, // Usage Maximum (03),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x95, 0x03, // Report Count (3),
0x75, 0x01, // Report Size (1),
0x81, 0x02, // Input(Data, Variable, Absolute), -- 3 button bits
0x95, 0x01, // Report Count(1),
0x75, 0x05, // Report Size(5),
0x81, 0x01, // Input(Constant), -- 5 bit padding
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x30, // Usage (X),
0x09, 0x31, // Usage (Y),
0x09, 0x38, // Usage (Wheel),
0x15, 0x81, // Logical Minimum (-127),
0x25, 0x7F, // Logical Maximum (127),
0x75, 0x08, // Report Size (8),
0x95, 0x03, // Report Count (3),
0x81, 0x06, // Input(Data, Variable, Relative), -- 3 position bytes (X,Y,Wheel)
0xC0, // End Collection,
0x09, 0x3c, // Usage (Motion Wakeup),
0x05, 0xff, // Usage Page (?),
0x09, 0x01, // Usage (?),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x75, 0x01, // Report Size(1),
0x95, 0x02, // Report Count(2),
0xb1, 0x22, // ?
0x75, 0x06, // Report Size(6),
0x95, 0x01, // Report Count(1),
0xb1, 0x01, // ?
0xc0 // End Collection
};
__ALIGN_BEGIN const uint8_t USBD_HID_KEYBOARD_ReportDesc[USBD_HID_KEYBOARD_REPORT_DESC_SIZE] __ALIGN_END = {
// From p69 of http://www.usb.org/developers/devclass_docs/HID1_11.pdf
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x06, // Usage (Keyboard),
0xA1, 0x01, // Collection (Application),
0x05, 0x07, // Usage Page (Key Codes);
0x19, 0xE0, // Usage Minimum (224),
0x29, 0xE7, // Usage Maximum (231),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x75, 0x01, // Report Size (1),
0x95, 0x08, // Report Count (8),
0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
0x95, 0x01, // Report Count (1),
0x75, 0x08, // Report Size (8),
0x81, 0x01, // Input (Constant), ;Reserved byte
0x95, 0x05, // Report Count (5),
0x75, 0x01, // Report Size (1),
0x05, 0x08, // Usage Page (Page# for LEDs),
0x19, 0x01, // Usage Minimum (1),
0x29, 0x05, // Usage Maximum (5),
0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
0x95, 0x01, // Report Count (1),
0x75, 0x03, // Report Size (3),
0x91, 0x01, // Output (Constant), ;LED report padding
0x95, 0x06, // Report Count (6),
0x75, 0x08, // Report Size (8),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x65, // Logical Maximum(101),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0x00, // Usage Minimum (0),
0x29, 0x65, // Usage Maximum (101),
0x81, 0x00, // Input (Data, Array), ;Key arrays (6 bytes)
0xC0 // End Collection
};
// return the saved usb mode
uint8_t USBD_GetMode(usbd_cdc_msc_hid_state_t *usbd) {
return usbd->usbd_mode;
}
int USBD_SelectMode(usbd_cdc_msc_hid_state_t *usbd, uint32_t mode, USBD_HID_ModeInfoTypeDef *hid_info) {
// save mode
usbd->usbd_mode = mode;
// construct config desc
switch (usbd->usbd_mode) {
case USBD_MODE_MSC:
usbd->usbd_config_desc_size = sizeof(msc_template_config_desc);
memcpy(usbd->usbd_config_desc, msc_template_config_desc, sizeof(msc_template_config_desc));
break;
case USBD_MODE_CDC_MSC:
usbd->usbd_config_desc_size = sizeof(cdc_msc_template_config_desc);
memcpy(usbd->usbd_config_desc, cdc_msc_template_config_desc, sizeof(cdc_msc_template_config_desc));
usbd->cdc->iface_num = CDC_IFACE_NUM_WITH_MSC;
break;
case USBD_MODE_CDC_HID:
usbd->usbd_config_desc_size = sizeof(cdc_hid_template_config_desc);
memcpy(usbd->usbd_config_desc, cdc_hid_template_config_desc, sizeof(cdc_hid_template_config_desc));
usbd->cdc->iface_num = CDC_IFACE_NUM_WITH_HID;
usbd->hid_in_ep = HID_IN_EP_WITH_CDC;
usbd->hid_out_ep = HID_OUT_EP_WITH_CDC;
usbd->hid_iface_num = HID_IFACE_NUM_WITH_CDC;
usbd->hid_desc = usbd->usbd_config_desc + CDC_HID_TEMPLATE_HID_DESC_OFFSET;
break;
case USBD_MODE_CDC:
usbd->usbd_config_desc_size = sizeof(cdc_template_config_desc);
memcpy(usbd->usbd_config_desc, cdc_template_config_desc, sizeof(cdc_template_config_desc));
usbd->cdc->iface_num = CDC_IFACE_NUM_ALONE;
break;
/*
// not implemented
case USBD_MODE_MSC_HID:
hid_in_ep = HID_IN_EP_WITH_MSC;
hid_out_ep = HID_OUT_EP_WITH_MSC;
hid_iface_num = HID_IFACE_NUM_WITH_MSC;
break;
*/
default:
// mode not supported
return -1;
}
// configure the HID descriptor, if needed
if (usbd->usbd_mode & USBD_MODE_HID) {
uint8_t *hid_desc = usbd->hid_desc;
hid_desc[HID_DESC_OFFSET_SUBCLASS] = hid_info->subclass;
hid_desc[HID_DESC_OFFSET_PROTOCOL] = hid_info->protocol;
hid_desc[HID_DESC_OFFSET_REPORT_DESC_LEN] = hid_info->report_desc_len;
hid_desc[HID_DESC_OFFSET_MAX_PACKET_LO] = hid_info->max_packet_len;
hid_desc[HID_DESC_OFFSET_MAX_PACKET_HI] = 0;
hid_desc[HID_DESC_OFFSET_POLLING_INTERVAL] = hid_info->polling_interval;
hid_desc[HID_DESC_OFFSET_MAX_PACKET_OUT_LO] = hid_info->max_packet_len;
hid_desc[HID_DESC_OFFSET_MAX_PACKET_OUT_HI] = 0;
hid_desc[HID_DESC_OFFSET_POLLING_INTERVAL_OUT] = hid_info->polling_interval;
usbd->hid_report_desc = hid_info->report_desc;
}
return 0;
}
static uint8_t USBD_CDC_MSC_HID_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx) {
#if !USBD_SUPPORT_HS_MODE
if (pdev->dev_speed == USBD_SPEED_HIGH) {
// can't handle high speed
return 1;
}
#endif
usbd_cdc_msc_hid_state_t *usbd = pdev->pClassData;
if (usbd->usbd_mode & USBD_MODE_CDC) {
// CDC VCP component
int mp = usbd_cdc_max_packet(pdev);
// Open EP IN
USBD_LL_OpenEP(pdev,
CDC_IN_EP,
USBD_EP_TYPE_BULK,
mp);
// Open EP OUT
USBD_LL_OpenEP(pdev,
CDC_OUT_EP,
USBD_EP_TYPE_BULK,
mp);
// Open Command IN EP
USBD_LL_OpenEP(pdev,
CDC_CMD_EP,
USBD_EP_TYPE_INTR,
CDC_CMD_PACKET_SIZE);
// Init Xfer states
usbd->cdc->usbd = usbd;
usbd->cdc->cur_request = 0xff;
usbd->cdc->tx_in_progress = 0;
// Init physical Interface components
uint8_t *buf = usbd_cdc_init(usbd->cdc);
// Prepare Out endpoint to receive next packet
USBD_LL_PrepareReceive(pdev, CDC_OUT_EP, buf, mp);
}
if (usbd->usbd_mode & USBD_MODE_MSC) {
// MSC component
int mp = usbd_msc_max_packet(pdev);
// Open EP OUT
USBD_LL_OpenEP(pdev,
MSC_OUT_EP,
USBD_EP_TYPE_BULK,
mp);
// Open EP IN
USBD_LL_OpenEP(pdev,
MSC_IN_EP,
USBD_EP_TYPE_BULK,
mp);
// Init the BOT layer
MSC_BOT_Init(pdev);
}
if (usbd->usbd_mode & USBD_MODE_HID) {
// HID component
// get max packet lengths from descriptor
uint16_t mps_in =
usbd->hid_desc[HID_DESC_OFFSET_MAX_PACKET_LO]
| (usbd->hid_desc[HID_DESC_OFFSET_MAX_PACKET_HI] << 8);
uint16_t mps_out =
usbd->hid_desc[HID_DESC_OFFSET_MAX_PACKET_OUT_LO]
| (usbd->hid_desc[HID_DESC_OFFSET_MAX_PACKET_OUT_HI] << 8);
// Open EP IN
USBD_LL_OpenEP(pdev,
usbd->hid_in_ep,
USBD_EP_TYPE_INTR,
mps_in);
// Open EP OUT
USBD_LL_OpenEP(pdev,
usbd->hid_out_ep,
USBD_EP_TYPE_INTR,
mps_out);
uint8_t *buf = usbd_hid_init(usbd->hid, usbd);
// Prepare Out endpoint to receive next packet
USBD_LL_PrepareReceive(pdev, usbd->hid_out_ep, buf, mps_out);
usbd->HID_ClassData.state = HID_IDLE;
}
return 0;
}
static uint8_t USBD_CDC_MSC_HID_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx) {
usbd_cdc_msc_hid_state_t *usbd = pdev->pClassData;
if ((usbd->usbd_mode & USBD_MODE_CDC) && usbd->cdc) {
// CDC VCP component
// close endpoints
USBD_LL_CloseEP(pdev, CDC_IN_EP);
USBD_LL_CloseEP(pdev, CDC_OUT_EP);
USBD_LL_CloseEP(pdev, CDC_CMD_EP);
}
if (usbd->usbd_mode & USBD_MODE_MSC) {
// MSC component
// close endpoints
USBD_LL_CloseEP(pdev, MSC_OUT_EP);
USBD_LL_CloseEP(pdev, MSC_IN_EP);
// DeInit the BOT layer
MSC_BOT_DeInit(pdev);
}
if (usbd->usbd_mode & USBD_MODE_HID) {
// HID component
// close endpoints
USBD_LL_CloseEP(pdev, usbd->hid_in_ep);
USBD_LL_CloseEP(pdev, usbd->hid_out_ep);
}
return 0;
}
static uint8_t USBD_CDC_MSC_HID_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) {
/*
printf("SU: %x %x %x %x\n", req->bmRequest, req->bRequest, req->wValue, req->wIndex);
This is what we get when MSC is IFACE=0 and CDC is IFACE=1,2:
SU: 21 22 0 1 -- USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; CDC_SET_CONTROL_LINE_STATE
SU: 21 20 0 1 -- USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; CDC_SET_LINE_CODING
SU: a1 fe 0 0 -- 0x80 | USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; BOT_GET_MAX_LUN; 0; 0
SU: 21 22 3 1 -- USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; CDC_SET_CONTROL_LINE_STATE
On a Mac OS X, with MSC then CDC:
SU: a1 fe 0 0
SU: 21 22 2 1
SU: 21 22 3 1
SU: 21 20 0 1
*/
usbd_cdc_msc_hid_state_t *usbd = pdev->pClassData;
// Work out the recipient of the setup request
uint8_t mode = usbd->usbd_mode;
uint8_t recipient = 0;
switch (req->bmRequest & USB_REQ_RECIPIENT_MASK) {
case USB_REQ_RECIPIENT_INTERFACE: {
uint16_t iface = req->wIndex;
if ((mode & USBD_MODE_CDC) && iface == usbd->cdc->iface_num) {
recipient = USBD_MODE_CDC;
} else if ((mode & USBD_MODE_MSC) && iface == MSC_IFACE_NUM_WITH_CDC) {
recipient = USBD_MODE_MSC;
} else if ((mode & USBD_MODE_HID) && iface == usbd->hid_iface_num) {
recipient = USBD_MODE_HID;
}
break;
}
case USB_REQ_RECIPIENT_ENDPOINT: {
uint8_t ep = req->wIndex & 0x7f;
if ((mode & USBD_MODE_CDC) && (ep == CDC_OUT_EP || ep == (CDC_CMD_EP & 0x7f))) {
recipient = USBD_MODE_CDC;
} else if ((mode & USBD_MODE_MSC) && ep == MSC_OUT_EP) {
recipient = USBD_MODE_MSC;
} else if ((mode & USBD_MODE_HID) && ep == usbd->hid_out_ep) {
recipient = USBD_MODE_HID;
}
break;
}
}
// Fail the request if we didn't have a valid recipient
if (recipient == 0) {
USBD_CtlError(pdev, req);
return USBD_FAIL;
}
switch (req->bmRequest & USB_REQ_TYPE_MASK) {
// Class request
case USB_REQ_TYPE_CLASS:
if (recipient == USBD_MODE_CDC) {
if (req->wLength) {
if (req->bmRequest & 0x80) {
// device-to-host request
usbd_cdc_control(usbd->cdc, req->bRequest, (uint8_t*)usbd->cdc->ctl_packet_buf, req->wLength);
USBD_CtlSendData(pdev, (uint8_t*)usbd->cdc->ctl_packet_buf, req->wLength);
} else {
// host-to-device request
usbd->cdc->cur_request = req->bRequest;
usbd->cdc->cur_length = req->wLength;
USBD_CtlPrepareRx(pdev, (uint8_t*)usbd->cdc->ctl_packet_buf, req->wLength);
}
} else {
// Not a Data request
// Transfer the command to the interface layer
return usbd_cdc_control(usbd->cdc, req->bRequest, NULL, req->wValue);
}
} else if (recipient == USBD_MODE_MSC) {
switch (req->bRequest) {
case BOT_GET_MAX_LUN:
if ((req->wValue == 0) && (req->wLength == 1) && ((req->bmRequest & 0x80) == 0x80)) {
usbd->MSC_BOT_ClassData.max_lun = usbd->MSC_BOT_ClassData.bdev_ops->GetMaxLun();
USBD_CtlSendData(pdev, (uint8_t *)&usbd->MSC_BOT_ClassData.max_lun, 1);
} else {
USBD_CtlError(pdev, req);
return USBD_FAIL;
}
break;
case BOT_RESET:
if ((req->wValue == 0) && (req->wLength == 0) && ((req->bmRequest & 0x80) != 0x80)) {
MSC_BOT_Reset(pdev);
} else {
USBD_CtlError(pdev, req);
return USBD_FAIL;
}
break;
default:
USBD_CtlError(pdev, req);
return USBD_FAIL;
}
} else if (recipient == USBD_MODE_HID) {
switch (req->bRequest) {
case HID_REQ_SET_PROTOCOL:
usbd->HID_ClassData.Protocol = (uint8_t)(req->wValue);
break;
case HID_REQ_GET_PROTOCOL:
USBD_CtlSendData(pdev, (uint8_t *)&usbd->HID_ClassData.Protocol, 1);
break;
case HID_REQ_SET_IDLE:
usbd->HID_ClassData.IdleState = (uint8_t)(req->wValue >> 8);
break;
case HID_REQ_GET_IDLE:
USBD_CtlSendData(pdev, (uint8_t *)&usbd->HID_ClassData.IdleState, 1);
break;
default:
USBD_CtlError(pdev, req);
return USBD_FAIL;
}
}
break;
case USB_REQ_TYPE_STANDARD:
if (recipient == USBD_MODE_MSC) {
switch (req->bRequest) {
case USB_REQ_GET_INTERFACE :
USBD_CtlSendData(pdev, (uint8_t *)&usbd->MSC_BOT_ClassData.interface, 1);
break;
case USB_REQ_SET_INTERFACE :
usbd->MSC_BOT_ClassData.interface = (uint8_t)(req->wValue);
break;
case USB_REQ_CLEAR_FEATURE:
// Flush the FIFO and Clear the stall status
USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex);
// Re-activate the EP
USBD_LL_CloseEP(pdev, (uint8_t)req->wIndex);
if((((uint8_t)req->wIndex) & 0x80) == 0x80) {
// Open EP IN
USBD_LL_OpenEP(pdev, MSC_IN_EP, USBD_EP_TYPE_BULK, usbd_msc_max_packet(pdev));
} else {
// Open EP OUT
USBD_LL_OpenEP(pdev, MSC_OUT_EP, USBD_EP_TYPE_BULK, usbd_msc_max_packet(pdev));
}
// Handle BOT error
MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex);
break;
}
} else if (recipient == USBD_MODE_HID) {
switch (req->bRequest) {
case USB_REQ_GET_DESCRIPTOR: {
uint16_t len = 0;
const uint8_t *pbuf = NULL;
if (req->wValue >> 8 == HID_REPORT_DESC) {
len = usbd->hid_desc[HID_DESC_OFFSET_REPORT_DESC_LEN];
len = MIN(len, req->wLength);
pbuf = usbd->hid_report_desc;
} else if (req->wValue >> 8 == HID_DESCRIPTOR_TYPE) {
len = MIN(HID_SUBDESC_LEN, req->wLength);
pbuf = usbd->hid_desc + HID_DESC_OFFSET_SUBDESC;
}
USBD_CtlSendData(pdev, (uint8_t*)pbuf, len);
break;
}
case USB_REQ_GET_INTERFACE:
USBD_CtlSendData(pdev, (uint8_t *)&usbd->HID_ClassData.AltSetting, 1);
break;
case USB_REQ_SET_INTERFACE:
usbd->HID_ClassData.AltSetting = (uint8_t)(req->wValue);
break;
}
}
break;
}
return USBD_OK;
}
/* unused
static uint8_t EP0_TxSent(USBD_HandleTypeDef *pdev) {
}
*/
static uint8_t USBD_CDC_MSC_HID_EP0_RxReady(USBD_HandleTypeDef *pdev) {
usbd_cdc_msc_hid_state_t *usbd = pdev->pClassData;
if (usbd->cdc != NULL && usbd->cdc->cur_request != 0xff) {
usbd_cdc_control(usbd->cdc, usbd->cdc->cur_request, (uint8_t*)usbd->cdc->ctl_packet_buf, usbd->cdc->cur_length);
usbd->cdc->cur_request = 0xff;
}
return USBD_OK;
}
static uint8_t USBD_CDC_MSC_HID_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) {
usbd_cdc_msc_hid_state_t *usbd = pdev->pClassData;
if ((usbd->usbd_mode & USBD_MODE_CDC) && (epnum == (CDC_IN_EP & 0x7f) || epnum == (CDC_CMD_EP & 0x7f))) {
usbd->cdc->tx_in_progress = 0;
return USBD_OK;
} else if ((usbd->usbd_mode & USBD_MODE_MSC) && epnum == (MSC_IN_EP & 0x7f)) {
MSC_BOT_DataIn(pdev, epnum);
return USBD_OK;
} else if ((usbd->usbd_mode & USBD_MODE_HID) && epnum == (usbd->hid_in_ep & 0x7f)) {
/* Ensure that the FIFO is empty before a new transfer, this condition could
be caused by a new transfer before the end of the previous transfer */
usbd->HID_ClassData.state = HID_IDLE;
return USBD_OK;
}
return USBD_OK;
}
static uint8_t USBD_CDC_MSC_HID_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) {
usbd_cdc_msc_hid_state_t *usbd = pdev->pClassData;
if ((usbd->usbd_mode & USBD_MODE_CDC) && epnum == (CDC_OUT_EP & 0x7f)) {
/* Get the received data length */
size_t len = USBD_LL_GetRxDataSize (pdev, epnum);
/* USB data will be immediately processed, this allow next USB traffic being
NAKed till the end of the application Xfer */
usbd_cdc_receive(usbd->cdc, len);
return USBD_OK;
} else if ((usbd->usbd_mode & USBD_MODE_MSC) && epnum == (MSC_OUT_EP & 0x7f)) {
MSC_BOT_DataOut(pdev, epnum);
return USBD_OK;
} else if ((usbd->usbd_mode & USBD_MODE_HID) && epnum == (usbd->hid_out_ep & 0x7f)) {
size_t len = USBD_LL_GetRxDataSize(pdev, epnum);
usbd_hid_receive(usbd->hid, len);
}
return USBD_OK;
}
static uint8_t *USBD_CDC_MSC_HID_GetCfgDesc(USBD_HandleTypeDef *pdev, uint16_t *length) {
usbd_cdc_msc_hid_state_t *usbd = pdev->pClassData;
#if USBD_SUPPORT_HS_MODE
uint8_t *cdc_desc = NULL;
uint8_t *msc_desc = NULL;
switch (usbd->usbd_mode) {
case USBD_MODE_MSC:
msc_desc = usbd->usbd_config_desc + MSC_TEMPLATE_MSC_DESC_OFFSET;
break;
case USBD_MODE_CDC_MSC:
cdc_desc = usbd->usbd_config_desc + CDC_MSC_TEMPLATE_CDC_DESC_OFFSET;
msc_desc = usbd->usbd_config_desc + CDC_MSC_TEMPLATE_MSC_DESC_OFFSET;
break;
case USBD_MODE_CDC_HID:
cdc_desc = usbd->usbd_config_desc + CDC_HID_TEMPLATE_CDC_DESC_OFFSET;
break;
case USBD_MODE_CDC:
cdc_desc = usbd->usbd_config_desc + CDC_TEMPLATE_CDC_DESC_OFFSET;
break;
}
// configure CDC descriptors, if needed
if (cdc_desc != NULL) {
uint32_t mp = usbd_cdc_max_packet(pdev);
cdc_desc[CDC_DESC_OFFSET_OUT_MAX_PACKET_LO] = LOBYTE(mp);
cdc_desc[CDC_DESC_OFFSET_OUT_MAX_PACKET_HI] = HIBYTE(mp);
cdc_desc[CDC_DESC_OFFSET_IN_MAX_PACKET_LO] = LOBYTE(mp);
cdc_desc[CDC_DESC_OFFSET_IN_MAX_PACKET_HI] = HIBYTE(mp);
uint8_t interval; // polling interval in frames of 1ms
if (pdev->dev_speed == USBD_SPEED_HIGH) {
interval = 0x09;
} else {
interval = 0x20;
}
cdc_desc[CDC_DESC_OFFSET_INTR_INTERVAL] = interval;
}
if (msc_desc != NULL) {
uint32_t mp = usbd_msc_max_packet(pdev);
msc_desc[13] = LOBYTE(mp);
msc_desc[14] = HIBYTE(mp);
msc_desc[20] = LOBYTE(mp);
msc_desc[21] = HIBYTE(mp);
}
#endif
*length = usbd->usbd_config_desc_size;
return usbd->usbd_config_desc;
}
uint8_t *USBD_CDC_MSC_HID_GetDeviceQualifierDescriptor(USBD_HandleTypeDef *pdev, uint16_t *length) {
#if USBD_SUPPORT_HS_MODE
*length = sizeof(USBD_CDC_MSC_HID_DeviceQualifierDesc);
return USBD_CDC_MSC_HID_DeviceQualifierDesc;
#else
*length = 0;
return NULL;
#endif
}
// data received on non-control OUT endpoint
uint8_t USBD_CDC_TransmitPacket(usbd_cdc_msc_hid_state_t *usbd, size_t len, const uint8_t *buf) {
if (usbd->cdc->tx_in_progress == 0) {
// transmit next packet
USBD_LL_Transmit(usbd->pdev, CDC_IN_EP, (uint8_t*)buf, len);
// Tx transfer in progress
usbd->cdc->tx_in_progress = 1;
return USBD_OK;
} else {
return USBD_BUSY;
}
}
// prepare OUT endpoint for reception
uint8_t USBD_CDC_ReceivePacket(usbd_cdc_msc_hid_state_t *usbd, uint8_t *buf) {
// Suspend or Resume USB Out process
#if !USBD_SUPPORT_HS_MODE
if (usbd->pdev->dev_speed == USBD_SPEED_HIGH) {
return USBD_FAIL;
}
#endif
// Prepare Out endpoint to receive next packet
USBD_LL_PrepareReceive(usbd->pdev, CDC_OUT_EP, buf, usbd_cdc_max_packet(usbd->pdev));
return USBD_OK;
}
// prepare OUT endpoint for reception
uint8_t USBD_HID_ReceivePacket(usbd_cdc_msc_hid_state_t *usbd, uint8_t *buf) {
// Suspend or Resume USB Out process
#if !USBD_SUPPORT_HS_MODE
if (usbd->pdev->dev_speed == USBD_SPEED_HIGH) {
return USBD_FAIL;
}
#endif
// Prepare Out endpoint to receive next packet
uint16_t mps_out =
usbd->hid_desc[HID_DESC_OFFSET_MAX_PACKET_OUT_LO]
| (usbd->hid_desc[HID_DESC_OFFSET_MAX_PACKET_OUT_HI] << 8);
USBD_LL_PrepareReceive(usbd->pdev, usbd->hid_out_ep, buf, mps_out);
return USBD_OK;
}
int USBD_HID_CanSendReport(usbd_cdc_msc_hid_state_t *usbd) {
return usbd->pdev->dev_state == USBD_STATE_CONFIGURED && usbd->HID_ClassData.state == HID_IDLE;
}
uint8_t USBD_HID_SendReport(usbd_cdc_msc_hid_state_t *usbd, uint8_t *report, uint16_t len) {
if (usbd->pdev->dev_state == USBD_STATE_CONFIGURED) {
if (usbd->HID_ClassData.state == HID_IDLE) {
usbd->HID_ClassData.state = HID_BUSY;
USBD_LL_Transmit(usbd->pdev, usbd->hid_in_ep, report, len);
return USBD_OK;
}
}
return USBD_FAIL;
}
uint8_t USBD_HID_SetNAK(usbd_cdc_msc_hid_state_t *usbd) {
// get USBx object from pdev (needed for USBx_OUTEP macro below)
PCD_HandleTypeDef *hpcd = usbd->pdev->pData;
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
// set NAK on HID OUT endpoint
USBx_OUTEP(HID_OUT_EP_WITH_CDC)->DOEPCTL |= USB_OTG_DOEPCTL_SNAK;
return USBD_OK;
}
uint8_t USBD_HID_ClearNAK(usbd_cdc_msc_hid_state_t *usbd) {
// get USBx object from pdev (needed for USBx_OUTEP macro below)
PCD_HandleTypeDef *hpcd = usbd->pdev->pData;
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
// clear NAK on HID OUT endpoint
USBx_OUTEP(HID_OUT_EP_WITH_CDC)->DOEPCTL |= USB_OTG_DOEPCTL_CNAK;
return USBD_OK;
}
// CDC/MSC/HID interface class callback structure
const USBD_ClassTypeDef USBD_CDC_MSC_HID = {
USBD_CDC_MSC_HID_Init,
USBD_CDC_MSC_HID_DeInit,
USBD_CDC_MSC_HID_Setup,
NULL, // EP0_TxSent
USBD_CDC_MSC_HID_EP0_RxReady,
USBD_CDC_MSC_HID_DataIn,
USBD_CDC_MSC_HID_DataOut,
NULL, // SOF
NULL, // IsoINIncomplete
NULL, // IsoOUTIncomplete
USBD_CDC_MSC_HID_GetCfgDesc,
USBD_CDC_MSC_HID_GetCfgDesc,
USBD_CDC_MSC_HID_GetCfgDesc,
USBD_CDC_MSC_HID_GetDeviceQualifierDescriptor,
};
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