- /* Copyright (c) 2011,2012 Simon Schubert <[email protected]>.
- * Modifications by Jacob Alexander 2014-2015 <[email protected]>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #pragma once
-
- // ----- Compiler Includes -----
-
- #include <sys/types.h>
-
-
-
- // ----- Defines -----
-
- #define USB_FUNCTION_DFU_IFACE_COUNT 1
-
-
- #ifndef USB_DFU_TRANSFER_SIZE
- // Sector size is the same as the program flash size
- #if defined(_mk20dx128vlf5_)
- #define USB_DFU_TRANSFER_SIZE FLASH_SECTOR_SIZE
-
- // Sector size is double the program flash size
- #elif defined(_mk20dx256vlh7_ )
- #define USB_DFU_TRANSFER_SIZE FLASH_SECTOR_SIZE / 2
-
- #endif
- #endif
-
- #define USB_FUNCTION_DESC_DFU_DECL \
- struct dfu_function_desc
-
- #define USB_FUNCTION_DFU_IFACE_COUNT 1
- #define USB_FUNCTION_DFU_RX_EP_COUNT 0
- #define USB_FUNCTION_DFU_TX_EP_COUNT 0
-
-
-
- // ----- Enumerations -----
-
- enum dfu_dev_subclass {
- USB_DEV_SUBCLASS_APP_DFU = 0x01
- };
-
- enum dfu_dev_proto {
- USB_DEV_PROTO_DFU_APP = 0x01,
- USB_DEV_PROTO_DFU_DFU = 0x02
- };
-
- enum dfu_ctrl_req_code {
- USB_CTRL_REQ_DFU_DETACH = 0,
- USB_CTRL_REQ_DFU_DNLOAD = 1,
- USB_CTRL_REQ_DFU_UPLOAD = 2,
- USB_CTRL_REQ_DFU_GETSTATUS = 3,
- USB_CTRL_REQ_DFU_CLRSTATUS = 4,
- USB_CTRL_REQ_DFU_GETSTATE = 5,
- USB_CTRL_REQ_DFU_ABORT = 6
- };
-
- enum dfu_status {
- DFU_STATUS_async = 0xff,
- DFU_STATUS_OK = 0x00,
- DFU_STATUS_errTARGET = 0x01,
- DFU_STATUS_errFILE = 0x02,
- DFU_STATUS_errWRITE = 0x03,
- DFU_STATUS_errERASE = 0x04,
- DFU_STATUS_errCHECK_ERASED = 0x05,
- DFU_STATUS_errPROG = 0x06,
- DFU_STATUS_errVERIFY = 0x07,
- DFU_STATUS_errADDRESS = 0x08,
- DFU_STATUS_errNOTDONE = 0x09,
- DFU_STATUS_errFIRMWARE = 0x0a,
- DFU_STATUS_errVENDOR = 0x0b,
- DFU_STATUS_errUSBR = 0x0c,
- DFU_STATUS_errPOR = 0x0d,
- DFU_STATUS_errUNKNOWN = 0x0e,
- DFU_STATUS_errSTALLEDPKT = 0x0f
- };
-
- enum dfu_state {
- DFU_STATE_appIDLE = 0,
- DFU_STATE_appDETACH = 1,
- DFU_STATE_dfuIDLE = 2,
- DFU_STATE_dfuDNLOAD_SYNC = 3,
- DFU_STATE_dfuDNBUSY = 4,
- DFU_STATE_dfuDNLOAD_IDLE = 5,
- DFU_STATE_dfuMANIFEST_SYNC = 6,
- DFU_STATE_dfuMANIFEST = 7,
- DFU_STATE_dfuMANIFEST_WAIT_RESET = 8,
- DFU_STATE_dfuUPLOAD_IDLE = 9,
- DFU_STATE_dfuERROR = 10
- };
-
-
-
- // ----- Structs -----
-
- struct dfu_status_t {
- enum dfu_status bStatus : 8;
- uint32_t bwPollTimeout : 24;
- enum dfu_state bState : 8;
- uint8_t iString;
- } __packed;
- CTASSERT_SIZE_BYTE(struct dfu_status_t, 6);
-
-
- typedef enum dfu_status (*dfu_setup_read_t)(size_t off, size_t *len, void **buf);
- typedef enum dfu_status (*dfu_setup_write_t)(size_t off, size_t len, void **buf);
- typedef enum dfu_status (*dfu_finish_write_t)(void *, size_t off, size_t len);
- typedef void (*dfu_detach_t)(void);
-
- struct dfu_ctx {
- struct usbd_function_ctx_header header;
- enum dfu_state state;
- enum dfu_status status;
- dfu_setup_read_t setup_read;
- dfu_setup_write_t setup_write;
- dfu_finish_write_t finish_write;
- size_t off;
- size_t len;
- };
-
-
- struct dfu_desc_functional {
- uint8_t bLength;
- struct usb_desc_type_t bDescriptorType; /* = class DFU/0x1 FUNCTIONAL */
- union {
- struct {
- uint8_t can_download : 1;
- uint8_t can_upload : 1;
- uint8_t manifestation_tolerant : 1;
- uint8_t will_detach : 1;
- uint8_t _rsvd0 : 4;
- };
- uint8_t bmAttributes;
- };
- uint16_t wDetachTimeOut;
- uint16_t wTransferSize;
- struct usb_bcd_t bcdDFUVersion;
- } __packed;
- CTASSERT_SIZE_BYTE(struct dfu_desc_functional, 9);
-
- struct dfu_function_desc {
- struct usb_desc_iface_t iface;
- struct dfu_desc_functional dfu;
- };
-
-
- extern const struct usbd_function dfu_function;
- extern const struct usbd_function dfu_app_function;
-
-
-
- // ----- Functions -----
-
- void dfu_write_done( enum dfu_status, struct dfu_ctx *ctx );
- void dfu_init( dfu_setup_read_t setup_read, dfu_setup_write_t setup_write, dfu_finish_write_t finish_write, struct dfu_ctx *ctx );
- void dfu_app_init( dfu_detach_t detachcb );
-
|