74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
#ifndef USB_DFU_H_
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#define USB_DFU_H_
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#include <stdint.h>
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#include "usb_ch9.h"
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#define USB_DT_DFU USB_DT_CS_DEVICE
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/* DFU Descriptor Type */
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#define USB_TYPE_DFU (USB_TYPE_CLASS | USB_RECIP_INTERFACE)
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struct usb_dfu_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bmAttributes;
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uint16_t wDetachTimeOut;
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uint16_t wTransferSize;
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uint16_t bcdDFUVersion;
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} __attribute__ ((packed));
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#define USB_DFU_CAN_DOWNLOAD 0x01
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#define USB_DFU_CAN_UPLOAD 0x02
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#define USB_DFU_MANIFEST_TOL 0x04
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#define USB_DFU_WILL_DETACH 0x08
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/* DFU class-specific requests (Section 3, DFU Rev 1.1) */
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#define USB_REQ_DFU_DETACH 0x00
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#define USB_REQ_DFU_DNLOAD 0x01
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#define USB_REQ_DFU_UPLOAD 0x02
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#define USB_REQ_DFU_GETSTATUS 0x03
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#define USB_REQ_DFU_CLRSTATUS 0x04
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#define USB_REQ_DFU_GETSTATE 0x05
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#define USB_REQ_DFU_ABORT 0x06
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struct dfu_status {
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uint8_t bStatus;
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uint8_t bwPollTimeout[3];
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uint8_t bState;
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uint8_t iString;
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} __attribute__((packed));
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#define DFU_STATUS_OK 0x00
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#define DFU_STATUS_errTARGET 0x01
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#define DFU_STATUS_errFILE 0x02
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#define DFU_STATUS_errWRITE 0x03
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#define DFU_STATUS_errERASE 0x04
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#define DFU_STATUS_errCHECK_ERASED 0x05
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#define DFU_STATUS_errPROG 0x06
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#define DFU_STATUS_errVERIFY 0x07
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#define DFU_STATUS_errADDRESS 0x08
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#define DFU_STATUS_errNOTDONE 0x09
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#define DFU_STATUS_errFIRMWARE 0x0a
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#define DFU_STATUS_errVENDOR 0x0b
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#define DFU_STATUS_errUSBR 0x0c
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#define DFU_STATUS_errPOR 0x0d
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#define DFU_STATUS_errUNKNOWN 0x0e
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#define DFU_STATUS_errSTALLEDPKT 0x0f
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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_RST = 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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#endif /*USB_DFU_H_*/
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