173 řádky
4.3 KiB
C
173 řádky
4.3 KiB
C
/* Copyright (c) 2011,2012 Simon Schubert <2@0x2c.org>.
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* Modifications by Jacob Alexander 2014-2015 <haata@kiibohd.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// ----- Compiler Includes -----
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#include <sys/types.h>
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// ----- Defines -----
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#define USB_FUNCTION_DFU_IFACE_COUNT 1
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#ifndef USB_DFU_TRANSFER_SIZE
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// Sector size is the same as the program flash size
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#if defined(_mk20dx128vlf5_)
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#define USB_DFU_TRANSFER_SIZE FLASH_SECTOR_SIZE
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// Sector size is double the program flash size
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#elif defined(_mk20dx256vlh7_ )
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#define USB_DFU_TRANSFER_SIZE FLASH_SECTOR_SIZE / 2
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#endif
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#endif
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#define USB_FUNCTION_DESC_DFU_DECL \
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struct dfu_function_desc
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#define USB_FUNCTION_DFU_IFACE_COUNT 1
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#define USB_FUNCTION_DFU_RX_EP_COUNT 0
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#define USB_FUNCTION_DFU_TX_EP_COUNT 0
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// ----- Enumerations -----
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enum dfu_dev_subclass {
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USB_DEV_SUBCLASS_APP_DFU = 0x01
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};
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enum dfu_dev_proto {
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USB_DEV_PROTO_DFU_APP = 0x01,
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USB_DEV_PROTO_DFU_DFU = 0x02
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};
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enum dfu_ctrl_req_code {
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USB_CTRL_REQ_DFU_DETACH = 0,
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USB_CTRL_REQ_DFU_DNLOAD = 1,
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USB_CTRL_REQ_DFU_UPLOAD = 2,
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USB_CTRL_REQ_DFU_GETSTATUS = 3,
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USB_CTRL_REQ_DFU_CLRSTATUS = 4,
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USB_CTRL_REQ_DFU_GETSTATE = 5,
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USB_CTRL_REQ_DFU_ABORT = 6
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};
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enum dfu_status {
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DFU_STATUS_async = 0xff,
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DFU_STATUS_OK = 0x00,
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DFU_STATUS_errTARGET = 0x01,
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DFU_STATUS_errFILE = 0x02,
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DFU_STATUS_errWRITE = 0x03,
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DFU_STATUS_errERASE = 0x04,
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DFU_STATUS_errCHECK_ERASED = 0x05,
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DFU_STATUS_errPROG = 0x06,
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DFU_STATUS_errVERIFY = 0x07,
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DFU_STATUS_errADDRESS = 0x08,
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DFU_STATUS_errNOTDONE = 0x09,
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DFU_STATUS_errFIRMWARE = 0x0a,
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DFU_STATUS_errVENDOR = 0x0b,
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DFU_STATUS_errUSBR = 0x0c,
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DFU_STATUS_errPOR = 0x0d,
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DFU_STATUS_errUNKNOWN = 0x0e,
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DFU_STATUS_errSTALLEDPKT = 0x0f
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};
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enum dfu_state {
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DFU_STATE_appIDLE = 0,
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DFU_STATE_appDETACH = 1,
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DFU_STATE_dfuIDLE = 2,
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DFU_STATE_dfuDNLOAD_SYNC = 3,
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DFU_STATE_dfuDNBUSY = 4,
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DFU_STATE_dfuDNLOAD_IDLE = 5,
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DFU_STATE_dfuMANIFEST_SYNC = 6,
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DFU_STATE_dfuMANIFEST = 7,
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DFU_STATE_dfuMANIFEST_WAIT_RESET = 8,
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DFU_STATE_dfuUPLOAD_IDLE = 9,
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DFU_STATE_dfuERROR = 10
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};
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// ----- Structs -----
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struct dfu_status_t {
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enum dfu_status bStatus : 8;
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uint32_t bwPollTimeout : 24;
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enum dfu_state bState : 8;
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uint8_t iString;
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} __packed;
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CTASSERT_SIZE_BYTE(struct dfu_status_t, 6);
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typedef enum dfu_status (*dfu_setup_read_t)(size_t off, size_t *len, void **buf);
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typedef enum dfu_status (*dfu_setup_write_t)(size_t off, size_t len, void **buf);
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typedef enum dfu_status (*dfu_finish_write_t)(void *, size_t off, size_t len);
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typedef void (*dfu_detach_t)(void);
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struct dfu_ctx {
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struct usbd_function_ctx_header header;
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enum dfu_state state;
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enum dfu_status status;
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dfu_setup_read_t setup_read;
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dfu_setup_write_t setup_write;
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dfu_finish_write_t finish_write;
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size_t off;
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size_t len;
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};
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struct dfu_desc_functional {
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uint8_t bLength;
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struct usb_desc_type_t bDescriptorType; /* = class DFU/0x1 FUNCTIONAL */
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union {
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struct {
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uint8_t can_download : 1;
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uint8_t can_upload : 1;
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uint8_t manifestation_tolerant : 1;
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uint8_t will_detach : 1;
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uint8_t _rsvd0 : 4;
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};
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uint8_t bmAttributes;
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};
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uint16_t wDetachTimeOut;
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uint16_t wTransferSize;
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struct usb_bcd_t bcdDFUVersion;
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} __packed;
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CTASSERT_SIZE_BYTE(struct dfu_desc_functional, 9);
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struct dfu_function_desc {
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struct usb_desc_iface_t iface;
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struct dfu_desc_functional dfu;
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};
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extern const struct usbd_function dfu_function;
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extern const struct usbd_function dfu_app_function;
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// ----- Functions -----
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void dfu_write_done( enum dfu_status, struct dfu_ctx *ctx );
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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 );
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void dfu_app_init( dfu_detach_t detachcb );
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