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Modify EndpointInfo to provide meaningful data rather than raw USB

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descriptor values. E.g. for the user, the distinction between
MaxIsoPkt and MaxPktSize is irrelevant, only the calculated max packet
size matters.
This commit is contained in:
Sebastian Zagrodzki
2017-04-08 23:49:10 +02:00
parent d982ef5a37
commit e0f30623b3
11 changed files with 195 additions and 141 deletions
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58
usb/fakelibusb_test.go
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@@ -46,13 +46,15 @@ var (
Alternate: 0,
IfClass: uint8(ClassVendorSpec),
Endpoints: []EndpointInfo{{
Address: uint8(0x01 | EndpointDirectionOut),
Attributes: uint8(TransferTypeBulk),
Number: 1,
Direction: EndpointDirectionOut,
MaxPacketSize: 512,
TransferType: TransferTypeBulk,
}, {
Address: uint8(0x02 | EndpointDirectionIn),
Attributes: uint8(TransferTypeBulk),
Number: 2,
Direction: EndpointDirectionIn,
MaxPacketSize: 512,
TransferType: TransferTypeBulk,
}},
}},
}},
@@ -87,45 +89,47 @@ var (
Alternate: 0,
IfClass: uint8(ClassVendorSpec),
Endpoints: []EndpointInfo{{
Address: uint8(0x05 | EndpointDirectionOut),
Attributes: uint8(TransferTypeIsochronous),
MaxPacketSize: 2<<11 | 1024,
MaxIsoPacket: 3 * 1024,
Number: 5,
Direction: EndpointDirectionOut,
MaxPacketSize: 3 * 1024,
TransferType: TransferTypeIsochronous,
UsageType: IsoUsageTypeData,
}, {
Address: uint8(0x06 | EndpointDirectionIn),
Attributes: uint8(TransferTypeIsochronous),
MaxPacketSize: 2<<11 | 1024,
MaxIsoPacket: 3 * 1024,
Number: 6,
Direction: EndpointDirectionIn,
MaxPacketSize: 3 * 1024,
TransferType: TransferTypeIsochronous,
UsageType: IsoUsageTypeData,
}},
}, {
Number: 1,
Alternate: 1,
IfClass: uint8(ClassVendorSpec),
Endpoints: []EndpointInfo{{
Address: uint8(0x05 | EndpointDirectionOut),
Attributes: uint8(TransferTypeIsochronous),
MaxPacketSize: 1<<11 | 1024,
MaxIsoPacket: 2 * 1024,
Number: 5,
Direction: EndpointDirectionOut,
MaxPacketSize: 2 * 1024,
TransferType: TransferTypeIsochronous,
}, {
Address: uint8(0x06 | EndpointDirectionIn),
Attributes: uint8(TransferTypeIsochronous),
MaxPacketSize: 1<<11 | 1024,
MaxIsoPacket: 2 * 1024,
Number: 6,
Direction: EndpointDirectionIn,
MaxPacketSize: 2 * 1024,
TransferType: TransferTypeIsochronous,
}},
}, {
Number: 1,
Alternate: 2,
IfClass: uint8(ClassVendorSpec),
Endpoints: []EndpointInfo{{
Address: uint8(0x05 | EndpointDirectionOut),
Attributes: uint8(TransferTypeIsochronous),
Number: 5,
Direction: EndpointDirectionIn,
MaxPacketSize: 1024,
MaxIsoPacket: 1024,
TransferType: TransferTypeIsochronous,
}, {
Address: uint8(0x06 | EndpointDirectionIn),
Attributes: uint8(TransferTypeIsochronous),
Number: 6,
Direction: EndpointDirectionIn,
MaxPacketSize: 1024,
MaxIsoPacket: 1024,
TransferType: TransferTypeIsochronous,
}},
}},
}},
@@ -256,7 +260,7 @@ func (f *fakeLibusb) setAlt(d *libusbDevHandle, intf, alt uint8) error {
return nil
}
func (f *fakeLibusb) alloc(_ *libusbDevHandle, _ uint8, _ TransferType, _ time.Duration, _ int, buf []byte) (*libusbTransfer, error) {
func (f *fakeLibusb) alloc(_ *libusbDevHandle, _ *EndpointInfo, _ time.Duration, _ int, buf []byte) (*libusbTransfer, error) {
f.mu.Lock()
defer f.mu.Unlock()
t := new(libusbTransfer)