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Update 'libsharperang/usb.cs'

This commit is contained in:
Maff 2019-08-27 10:57:05 +00:00
parent b7603a4736
commit 3b3cddc68d
1 changed files with 9 additions and 7 deletions
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16
libsharperang/usb.cs
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@ -71,17 +71,17 @@ namespace libsharperang {
} }
private byte[] ResolveOpcode(Opcode opcode) { private byte[] ResolveOpcode(Opcode opcode) {
switch (opcode) { switch (opcode) {
case Opcode.SessionBegin: return new byte[] { 0x06, 0x00, 0x02, 0x00 }; case Opcode.SessionBegin: return new byte[] { 0x06, 0x00, 0x02, 0x00 };
case Opcode.SessionEnd: return new byte[] { 0x1a, 0x00, 0x02, 0x00 }; case Opcode.SessionEnd: return new byte[] { 0x1a, 0x00, 0x02, 0x00 };
case Opcode.PrintBegin: return new byte[] { 0x00, 0x01, 0xf0, 0x03 }; case Opcode.PrintBegin: return new byte[] { 0x00, 0x01, 0xf0, 0x03 };
case Opcode.PrintContinue: return new byte[] { 0x00, 0x01, 0xf0, 0x02 }; case Opcode.PrintContinue: return new byte[] { 0x00, 0x01, 0xf0, 0x02 };
case Opcode.CrcTransmit: return new byte[] { 0x18, 0x01, 0x04, 0x00 }; case Opcode.CrcTransmit: return new byte[] { 0x18, 0x01, 0x04, 0x00 };
default: throw new NullReferenceException(); default: throw new NullReferenceException();
} }
} }
private byte[] SwapEndianness(uint value) { private byte[] SwapEndianness(uint value) {
uint b1 = (value >> 0) & 0xff; uint b1 = (value >> 0) & 0xff;
uint b2 = (value >> 8) & 0xff; uint b2 = (value >> 8) & 0xff;
uint b3 = (value >> 16) & 0xff; uint b3 = (value >> 16) & 0xff;
uint b4 = (value >> 24) & 0xff; uint b4 = (value >> 24) & 0xff;
return BitConverter.GetBytes((b1 << 24) | (b2 << 16) | (b3 << 8) | (b4 << 0)); return BitConverter.GetBytes((b1 << 24) | (b2 << 16) | (b3 << 8) | (b4 << 0));
@ -104,6 +104,8 @@ namespace libsharperang {
} }
} }
public class USBPrinter : Base, IPrinter { public class USBPrinter : Base, IPrinter {
// TODO - work out if it's possible to get this working with the default usbprint.inf driver Windows uses on plugging in
// otherwise any user would have to first use Zadig to change the driver to WinUSB
private UsbDevice _uDv; private UsbDevice _uDv;
private UsbEndpointWriter _uWr; private UsbEndpointWriter _uWr;
private UsbEndpointReader _uRd; private UsbEndpointReader _uRd;