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USB Device Firmware Upgrade (DFU)

protocol definitions

Data Structures

struct  dfu_file_suffix_t
 DFU File Suffix. More...
 
struct  dfu_status_t
 DFU Status. More...
 
struct  usb_dfu_functional_desc_t
 DFU Descriptor. More...
 

Macros

#define USB_DFU_V1_0   0x0100
 Value for fields bcdDFU(Version) More...
 

Enumerations

enum  usb_descriptor_type_dfu { USB_DT_DFU_FUNCTIONAL = 0x21 }
 DFU USB descriptor types. More...
 
enum  usb_dfu_functional_attributes {
  USB_DFU_FONC_CAN_DNLOAD = (1 << 0),
  USB_DFU_FONC_CAN_UPLOAD = (1 << 1),
  USB_DFU_FONC_MANIFEST_TOLERANT = (1 << 2),
  USB_DFU_FONC_WILL_DETACH = (1 << 3)
}
 DFU Functional attributes. More...
 
enum  usb_reqid_dfu {
  USB_REQ_DFU_DETACH = 0x00,
  USB_REQ_DFU_DNLOAD = 0x01,
  USB_REQ_DFU_UPLOAD = 0x02,
  USB_REQ_DFU_GETSTATUS = 0x03,
  USB_REQ_DFU_CLRSTATUS = 0x04,
  USB_REQ_DFU_GETSTATE = 0x05,
  USB_REQ_DFU_ABORT = 0x06
}
 DFU USB requests (bRequest) More...
 

Class value

#define DFU_CLASS   0xFE
 

SubClass value

#define DFU_SUBCLASS   0x01
 

protocol value

#define DFU_PROTOCOL   0x01
 

USB DFU Status IDs

#define DFU_STATUS_OK   0x00
 
#define DFU_STATUS_ERRTARGET   0x01
 
#define DFU_STATUS_ERRFILE   0x02
 
#define DFU_STATUS_ERRWRITE   0x03
 
#define DFU_STATUS_ERRERASE   0x04
 
#define DFU_STATUS_ERRCHECK_ERASED   0x05
 
#define DFU_STATUS_ERRPROG   0x06
 
#define DFU_STATUS_ERRVERIFY   0x07
 
#define DFU_STATUS_ERRADDRESS   0x08
 
#define DFU_STATUS_ERRNOTDONE   0x09
 
#define DFU_STATUS_ERRFIRMWARE   0x0A
 
#define DFU_STATUS_ERRVENDOR   0x0B
 
#define DFU_STATUS_ERRUSBR   0x0C
 
#define DFU_STATUS_ERRPOR   0x0D
 
#define DFU_STATUS_ERRUNKNOWN   0x0E
 
#define DFU_STATUS_ERRSTALLEDPK   0x0F
 

USB DFU State IDs

#define DFU_STATE_APPIDLE   0x00
 
#define DFU_STATE_APPDETACH   0x01
 
#define DFU_STATE_DFUIDLE   0x02
 
#define DFU_STATE_DFUDNLOAD_SUNC   0x03
 
#define DFU_STATE_DFUDNBUSY   0x04
 
#define DFU_STATE_DFUDNLOAD_IDLE   0x05
 
#define DFU_STATE_DFUMANIFEST_SYNC   0x06
 
#define DFU_STATE_DFUMANIFEST   0x07
 
#define DFU_STATE_DFUMANIFEST_WAIT_RESET   0x08
 
#define DFU_STATE_DFUUPLOAD_IDLE   0x09
 
#define DFU_STATE_DFUERROR   0x0A
 

#define DFU_CLASS   0xFE
#define DFU_PROTOCOL   0x01
#define DFU_STATE_APPDETACH   0x01
#define DFU_STATE_APPIDLE   0x00
#define DFU_STATE_DFUDNBUSY   0x04
#define DFU_STATE_DFUDNLOAD_IDLE   0x05
#define DFU_STATE_DFUDNLOAD_SUNC   0x03
#define DFU_STATE_DFUIDLE   0x02
#define DFU_STATE_DFUMANIFEST   0x07
#define DFU_STATE_DFUMANIFEST_SYNC   0x06
#define DFU_STATE_DFUMANIFEST_WAIT_RESET   0x08
#define DFU_STATE_DFUUPLOAD_IDLE   0x09
#define DFU_STATUS_ERRADDRESS   0x08
#define DFU_STATUS_ERRCHECK_ERASED   0x05

Referenced by udi_dfu_atmel_mem_check().

#define DFU_STATUS_ERRERASE   0x04
#define DFU_STATUS_ERRFILE   0x02
#define DFU_STATUS_ERRFIRMWARE   0x0A
#define DFU_STATUS_ERRNOTDONE   0x09
#define DFU_STATUS_ERRPOR   0x0D
#define DFU_STATUS_ERRPROG   0x06
#define DFU_STATUS_ERRSTALLEDPK   0x0F

Referenced by udi_dfu_atmel_setup().

#define DFU_STATUS_ERRTARGET   0x01
#define DFU_STATUS_ERRUNKNOWN   0x0E
#define DFU_STATUS_ERRUSBR   0x0C
#define DFU_STATUS_ERRVENDOR   0x0B
#define DFU_STATUS_ERRVERIFY   0x07
#define DFU_STATUS_OK   0x00
#define DFU_SUBCLASS   0x01
#define USB_DFU_V1_0   0x0100

Value for fields bcdDFU(Version)

USB DFU Specification version 1.0

DFU USB descriptor types.

Enumerator
USB_DT_DFU_FUNCTIONAL 

DFU Functional attributes.

Enumerator
USB_DFU_FONC_CAN_DNLOAD 
USB_DFU_FONC_CAN_UPLOAD 
USB_DFU_FONC_MANIFEST_TOLERANT 
USB_DFU_FONC_WILL_DETACH 

DFU USB requests (bRequest)

Enumerator
USB_REQ_DFU_DETACH 
USB_REQ_DFU_DNLOAD 
USB_REQ_DFU_UPLOAD 
USB_REQ_DFU_GETSTATUS 
USB_REQ_DFU_CLRSTATUS 
USB_REQ_DFU_GETSTATE 
USB_REQ_DFU_ABORT