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#ifndef _USB_DEV_DFU_H
#define _USB_DEV_DFU_H
#include <stdint.h>
#include <board.h>
#include <usb/common/core/USBGenericDescriptor.h>
#include <usb/common/core/USBGenericDescriptor.h>
#include <usb/device/core/USBDDriver.h>
#if 0
/* This is valid for CCID */
#define CONFIG_DFU_NUM_APP_IF 1
#define CONFIG_DFU_NUM_APP_STR 4
#else
/* This is valid for CDC-Serial */
#define CONFIG_DFU_NUM_APP_IF 2
#define CONFIG_DFU_NUM_APP_STR 2
#endif
struct USBStringDescriptor {
USBGenericDescriptor hdr;
unsigned short wData[];
} __attribute__((packed));
#ifdef BOARD_USB_DFU
#include <usb/common/dfu/usb_dfu.h>
/* for board-specific config */
#include <board.h>
struct dfu_desc {
USBConfigurationDescriptor ucfg;
USBInterfaceDescriptor uif[BOARD_DFU_NUM_IF];
struct usb_dfu_func_descriptor func_dfu;
} __attribute__ ((packed));
/* USB DFU functional descriptor */
#define DFU_FUNC_DESC { \
.bLength = USB_DT_DFU_SIZE, \
.bDescriptorType = USB_DT_DFU, \
.bmAttributes = USB_DFU_CAN_UPLOAD | USB_DFU_CAN_DOWNLOAD, \
.wDetachTimeOut = 0xff00, \
.wTransferSize = BOARD_DFU_PAGE_SIZE, \
.bcdDFUVersion = 0x0100, \
}
#define DFU_IF_DESCRIPTORS_STRUCT \
USBInterfaceDescriptor dfu_interface[DFU_NUM_IF];
#define DFU_IF_DESCRIPTORS { \
{ \
.bLength = sizeof(USBInterfaceDescriptor), \
.bDescriptorType = USBGenericDescriptor_INTERFACE, \
.bInterfaceNumber = CONFIG_DFU_NUM_APP_IF, \
.bAlternateSetting = 0, \
.bNumEndpoints = 0, \
.bInterfaceClass = 0xFE, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = CONFIG_DFU_NUM_APP_STR, \
}, \
{ \
.bLength = sizeof(USBInterfaceDescriptor), \
.bDescriptorType = USBGenericDescriptor_INTERFACE, \
.bInterfaceNumber = CONFIG_DFU_NUM_APP_IF+1, \
.bAlternateSetting = 0, \
.bNumEndpoints = 0, \
.bInterfaceClass = 0xFE, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = CONFIG_DFU_NUM_APP_STR+1, \
}, \
{ \
.bLength = sizeof(USBInterfaceDescriptor), \
.bDescriptorType = USBGenericDescriptor_INTERFACE, \
.bInterfaceNumber = CONFIG_DFU_NUM_APP_IF+2, \
.bAlternateSetting = 0, \
.bNumEndpoints = 0, \
.bInterfaceClass = 0xFE, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = CONFIG_DFU_NUM_APP_STR+2, \
}, \
}
extern const struct USBStringDescriptor USBDFU_string1;
extern const struct USBStringDescriptor USBDFU_string2;
extern const struct USBStringDescriptor USBDFU_string3;
#define DFU_NUM_STRINGS 3
#define DFU_STRING_DESCRIPTORS \
(const unsigned char *) &USBDFU_string1, \
(const unsigned char *) &USBDFU_string2, \
(const unsigned char *) &USBDFU_string3,
const struct dfu_desc dfu_cfg_descriptor;
const USBDDriverDescriptors dfu_descriptors;
#else /* BOARD_USB_DFU */
/* no DFU bootloader is being used */
#define DFU_NUM_IF 0
#define DFU_IF_DESCRIPTORS_STRUCT
#define DFU_IF_DESCRIPTORS
#define DFU_NUM_STRINGS 0
#define DFU_STRING_DESCRIPTORS
#endif /* BOARD_USB_DFU */
#define USB_DFU_MAGIC 0xDFDFDFDF
#define USB_DFU_MAGIC_ADDR AT91C_IRAM
/* The API between the core DFU handler and the board/soc specific code */
struct dfudata {
uint8_t status;
uint32_t state;
int past_manifest;
unsigned int total_bytes;
};
extern struct dfudata g_dfu;
void set_usb_serial_str(const uint8_t *serial_usbstr);
void DFURT_SwitchToDFU(void);
/* call-backs by the board/SOC */
extern int USBDFU_handle_dnload(uint8_t altif, unsigned int offset,
uint8_t *data, unsigned int len);
extern int USBDFU_handle_upload(uint8_t altif, unsigned int offset,
uint8_t *data, unsigned int req_len);
void USBDFU_Runtime_RequestHandler(const USBGenericRequest *request);
void USBDFU_DFU_RequestHandler(const USBGenericRequest *request);
void USBDFU_Initialize(const USBDDriverDescriptors *pDescriptors);
/* USBD tells us to switch from DFU mode to application mode */
void USBDFU_SwitchToApp(void);
#define DFU_RET_NOTHING 0
#define DFU_RET_ZLP 1
#define DFU_RET_STALL 2
#endif
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