1 /* 2 * 3 * BlueZ - Bluetooth protocol stack for Linux 4 * 5 * Copyright (C) 2003-2010 Marcel Holtmann <marcel (at) holtmann.org> 6 * 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 21 * 22 */ 23 24 #include <stdint.h> 25 26 /* CRC interface */ 27 uint32_t crc32_init(void); 28 uint32_t crc32_byte(uint32_t accum, uint8_t delta); 29 30 /* DFU descriptor */ 31 struct usb_dfu_descriptor { 32 u_int8_t bLength; 33 u_int8_t bDescriptorType; 34 u_int8_t bmAttributes; 35 u_int16_t wDetachTimeout; 36 u_int16_t wTransferSize; 37 }; 38 39 /* DFU commands */ 40 #define DFU_DETACH 0 41 #define DFU_DNLOAD 1 42 #define DFU_UPLOAD 2 43 #define DFU_GETSTATUS 3 44 #define DFU_CLRSTATUS 4 45 #define DFU_GETSTATE 5 46 #define DFU_ABORT 6 47 48 /* DFU status */ 49 struct dfu_status { 50 uint8_t bStatus; 51 uint8_t bwPollTimeout[3]; 52 uint8_t bState; 53 uint8_t iString; 54 } __attribute__ ((packed)); 55 #define DFU_STATUS_SIZE 6 56 57 /* DFU status */ 58 #define DFU_OK 0x00 59 #define DFU_ERR_TARGET 0x01 60 #define DFU_ERR_FILE 0x02 61 #define DFU_ERR_WRITE 0x03 62 #define DFU_ERR_ERASE 0x04 63 #define DFU_ERR_CHECK_ERASED 0x05 64 #define DFU_ERR_PROG 0x06 65 #define DFU_ERR_VERIFY 0x07 66 #define DFU_ERR_ADDRESS 0x08 67 #define DFU_ERR_NOTDONE 0x09 68 #define DFU_ERR_FIRMWARE 0x0a 69 #define DFU_ERR_VENDOR 0x0b 70 #define DFU_ERR_USBR 0x0c 71 #define DFU_ERR_POR 0x0d 72 #define DFU_ERR_UNKNOWN 0x0e 73 #define DFU_ERR_STALLEDPKT 0x0f 74 75 /* DFU state */ 76 #define DFU_STATE_APP_IDLE 0 77 #define DFU_STATE_APP_DETACH 1 78 #define DFU_STATE_DFU_IDLE 2 79 #define DFU_STATE_DFU_DNLOAD_SYNC 3 80 #define DFU_STATE_DFU_DNLOAD_BUSY 4 81 #define DFU_STATE_DFU_DNLOAD_IDLE 5 82 #define DFU_STATE_DFU_MANIFEST_SYNC 6 83 #define DFU_STATE_DFU_MANIFEST 7 84 #define DFU_STATE_MANIFEST_WAIT_RESET 8 85 #define DFU_STATE_UPLOAD_IDLE 9 86 #define DFU_STATE_ERROR 10 87 88 /* DFU suffix */ 89 struct dfu_suffix { 90 uint16_t bcdDevice; 91 uint16_t idProduct; 92 uint16_t idVendor; 93 uint16_t bcdDFU; 94 uint8_t ucDfuSignature[3]; 95 uint8_t bLength; 96 uint32_t dwCRC; 97 } __attribute__ ((packed)); 98 #define DFU_SUFFIX_SIZE 16 99 100 /* DFU interface */ 101 int dfu_detach(struct usb_dev_handle *udev, int intf); 102 int dfu_upload(struct usb_dev_handle *udev, int intf, int block, char *buffer, int size); 103 int dfu_download(struct usb_dev_handle *udev, int intf, int block, char *buffer, int size); 104 int dfu_get_status(struct usb_dev_handle *udev, int intf, struct dfu_status *status); 105 int dfu_clear_status(struct usb_dev_handle *udev, int intf); 106 int dfu_get_state(struct usb_dev_handle *udev, int intf, uint8_t *state); 107 int dfu_abort(struct usb_dev_handle *udev, int intf); 108
