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Added isochronous transfer

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This commit is contained in:
Kyle Lemons
2012-04-12 20:15:30 -07:00
parent 71bbb57904
commit 9849a972c6
6 changed files with 271 additions and 158 deletions
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7
usb/config.go
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@@ -13,6 +13,7 @@ type EndpointInfo struct {
Address uint8
Attributes uint8
MaxPacketSize uint16
MaxIsoPacket uint32
PollInterval uint8
RefreshRate uint8
SynchAddress uint8
@@ -27,11 +28,12 @@ func (e EndpointInfo) Direction() EndpointDirection {
}
func (e EndpointInfo) String() string {
return fmt.Sprintf("Endpoint %d %-3s %s - %s %s",
return fmt.Sprintf("Endpoint %d %-3s %s - %s %s [%d %d]",
e.Number(), e.Direction(),
TransferType(e.Attributes)&TRANSFER_TYPE_MASK,
IsoSyncType(e.Attributes)&ISO_SYNC_TYPE_MASK,
IsoUsageType(e.Attributes)&ISO_USAGE_TYPE_MASK,
e.MaxPacketSize, e.MaxIsoPacket,
)
}
@@ -68,7 +70,7 @@ func (c ConfigInfo) String() string {
return fmt.Sprintf("Config %02x", c.Config)
}
func newConfig(cfg *C.struct_libusb_config_descriptor) ConfigInfo {
func newConfig(dev *C.libusb_device, cfg *C.struct_libusb_config_descriptor) ConfigInfo {
c := ConfigInfo{
Config: uint8(cfg.bConfigurationValue),
Attributes: uint8(cfg.bmAttributes),
@@ -114,6 +116,7 @@ func newConfig(cfg *C.struct_libusb_config_descriptor) ConfigInfo {
Address: uint8(end.bEndpointAddress),
Attributes: uint8(end.bmAttributes),
MaxPacketSize: uint16(end.wMaxPacketSize),
//MaxIsoPacket: uint32(C.libusb_get_max_iso_packet_size(dev, C.uchar(end.bEndpointAddress))),
PollInterval: uint8(end.bInterval),
RefreshRate: uint8(end.bRefresh),
SynchAddress: uint8(end.bSynchAddress),