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sago35
142 lines
3.5 KiB
Go
142 lines
3.5 KiB
Go
package usb
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var (
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// TODO: allow setting these
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STRING_LANGUAGE = [2]uint16{(3 << 8) | (2 + 2), 0x0409} // English
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)
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const (
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DescriptorConfigCDC = 1 << iota
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DescriptorConfigHID
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DescriptorConfigMIDI
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DescriptorConfigJoystick
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)
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const (
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IMANUFACTURER = 1
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IPRODUCT = 2
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ISERIAL = 3
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ENDPOINT_TYPE_DISABLE = 0xFF
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ENDPOINT_TYPE_CONTROL = 0x00
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ENDPOINT_TYPE_ISOCHRONOUS = 0x01
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ENDPOINT_TYPE_BULK = 0x02
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ENDPOINT_TYPE_INTERRUPT = 0x03
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EndpointOut = 0x00
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EndpointIn = 0x80
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EndpointPacketSize = 64 // 64 for Full Speed, EPT size max is 1024
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// standard requests
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GET_STATUS = 0
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CLEAR_FEATURE = 1
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SET_FEATURE = 3
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SET_ADDRESS = 5
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GET_DESCRIPTOR = 6
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SET_DESCRIPTOR = 7
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GET_CONFIGURATION = 8
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SET_CONFIGURATION = 9
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GET_INTERFACE = 10
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SET_INTERFACE = 11
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// non standard requests
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GET_REPORT = 1
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GET_IDLE = 2
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GET_PROTOCOL = 3
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SET_REPORT = 9
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SET_IDLE = 10
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SET_PROTOCOL = 11
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SET_REPORT_TYPE = 33
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DEVICE_CLASS_COMMUNICATIONS = 0x02
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DEVICE_CLASS_HUMAN_INTERFACE = 0x03
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DEVICE_CLASS_STORAGE = 0x08
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DEVICE_CLASS_VENDOR_SPECIFIC = 0xFF
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CONFIG_POWERED_MASK = 0x40
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CONFIG_BUS_POWERED = 0x80
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CONFIG_SELF_POWERED = 0xC0
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CONFIG_REMOTE_WAKEUP = 0x20
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// Interface
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NumberOfInterfaces = 3
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CDC_ACM_INTERFACE = 0 // CDC ACM
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CDC_DATA_INTERFACE = 1 // CDC Data
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CDC_FIRST_ENDPOINT = 1
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HID_INTERFACE = 2 // HID
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// Endpoint
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CONTROL_ENDPOINT = 0
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CDC_ENDPOINT_ACM = 1
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CDC_ENDPOINT_OUT = 2
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CDC_ENDPOINT_IN = 3
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HID_ENDPOINT_IN = 4 // for Interrupt In
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HID_ENDPOINT_OUT = 5 // for Interrupt Out
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MIDI_ENDPOINT_IN = 6 // for Bulk In
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MIDI_ENDPOINT_OUT = 7 // for Bulk Out
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NumberOfEndpoints = 8
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// bmRequestType
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REQUEST_HOSTTODEVICE = 0x00
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REQUEST_DEVICETOHOST = 0x80
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REQUEST_DIRECTION = 0x80
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REQUEST_STANDARD = 0x00
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REQUEST_CLASS = 0x20
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REQUEST_VENDOR = 0x40
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REQUEST_TYPE = 0x60
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REQUEST_DEVICE = 0x00
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REQUEST_INTERFACE = 0x01
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REQUEST_ENDPOINT = 0x02
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REQUEST_OTHER = 0x03
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REQUEST_RECIPIENT = 0x1F
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REQUEST_DEVICETOHOST_CLASS_INTERFACE = (REQUEST_DEVICETOHOST | REQUEST_CLASS | REQUEST_INTERFACE)
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REQUEST_HOSTTODEVICE_CLASS_INTERFACE = (REQUEST_HOSTTODEVICE | REQUEST_CLASS | REQUEST_INTERFACE)
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REQUEST_DEVICETOHOST_STANDARD_INTERFACE = (REQUEST_DEVICETOHOST | REQUEST_STANDARD | REQUEST_INTERFACE)
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)
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type Setup struct {
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BmRequestType uint8
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BRequest uint8
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WValueL uint8
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WValueH uint8
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WIndex uint16
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WLength uint16
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}
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func NewSetup(data []byte) Setup {
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u := Setup{}
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u.BmRequestType = uint8(data[0])
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u.BRequest = uint8(data[1])
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u.WValueL = uint8(data[2])
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u.WValueH = uint8(data[3])
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u.WIndex = uint16(data[4]) | (uint16(data[5]) << 8)
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u.WLength = uint16(data[6]) | (uint16(data[7]) << 8)
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return u
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}
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var (
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// VendorID aka VID is the officially assigned vendor number
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// for this USB device. Only set this if you know what you are doing,
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// since changing it can make it difficult to reflash some devices.
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VendorID uint16
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// ProductID aka PID is the product number associated with the officially assigned
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// vendor number for this USB device. Only set this if you know what you are doing,
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// since changing it can make it difficult to reflash some devices.
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ProductID uint16
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// Manufacturer is the manufacturer name displayed for this USB device.
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Manufacturer string
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// Product is the product name displayed for this USB device.
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Product string
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// Serial is the serial value displayed for this USB device. Assign a value to
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// transmit the serial to the host when requested.
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Serial string
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)
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