openpcd/openpcd/firmware/src/os/dfu.h

81 lines
2.3 KiB
C

#ifndef _DFU_H
#define _DFU_H
/* USB Device Firmware Update Implementation for OpenPCD
* (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
*
* This ought to be compliant to the USB DFU Spec 1.0 as available from
* http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
*
*/
#include <sys/types.h>
#include <usb_ch9.h>
#include <usb_dfu.h>
#include "dbgu.h"
/* 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 = AT91C_IFLASH_PAGE_SIZE, \
.bcdDFUVersion = 0x0100, \
}
/* USB Interface descriptor in Runtime mode */
#define DFU_RT_IF_DESC { \
.bLength = USB_DT_INTERFACE_SIZE, \
.bDescriptorType = USB_DT_INTERFACE, \
.bInterfaceNumber = 0x01, \
.bAlternateSetting = 0x00, \
.bNumEndpoints = 0x00, \
.bInterfaceClass = 0xfe, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = 1, \
}
#define __dfufunc __attribute__ ((long_call, section (".dfu.func")))
#define __dfustruct __attribute__ ((section (".dfu.struct"))) const
#define __dfufunctab __attribute__ ((section (".dfu.functab")))
#if 0
extern void __dfufunc udp_ep0_send_data(const char *data, u_int32_t length);
extern void __dfufunc udp_ep0_send_zlp(void);
extern void __dfufunc udp_ep0_send_stall(void);
extern __dfustruct struct usb_device_descriptor dfu_dev_descriptor;
extern __dfustruct struct _dfu_desc dfu_cfg_descriptor;
extern void dfu_switch(void);
extern int __dfufunc dfu_ep0_handler(u_int8_t req_type, u_int8_t req,
u_int16_t val, u_int16_t len);
extern static u_int8_t dfu_state;
struct udp_pcd;
#endif
extern void udp_init(void);
struct _dfu_desc {
struct usb_config_descriptor ucfg;
struct usb_interface_descriptor uif[2];
struct usb_dfu_func_descriptor func_dfu;
};
struct dfuapi {
void (*ep0_send_data)(const char *data, u_int32_t len);
void (*ep0_send_zlp)(void);
void (*ep0_send_stall)(void);
int (*dfu_ep0_handler)(u_int8_t req_type, u_int8_t req,
u_int16_t val, u_int16_t len);
void (*dfu_switch)(void);
u_int8_t *dfu_state;
const struct usb_device_descriptor *dfu_dev_descriptor;
const struct _dfu_desc *dfu_cfg_descriptor;
};
#endif /* _DFU_H */