software: Implement serial port detection

1 files changed, 161 insertions, 0 deletions

diff --git a/software/vendor/go.bug.st/serial/zsyscall_windows.go b/software/vendor/go.bug.st/serial/zsyscall_windows.go
new file mode 100644
index 0000000..a2411a6
--- /dev/null
+++ b/software/vendor/go.bug.st/serial/zsyscall_windows.go
@@ -0,0 +1,161 @@
+// Code generated by 'go generate'; DO NOT EDIT.
+
+package serial
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return errERROR_EINVAL
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
+	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
+
+	procRegEnumValueW       = modadvapi32.NewProc("RegEnumValueW")
+	procClearCommBreak      = modkernel32.NewProc("ClearCommBreak")
+	procCreateEventW        = modkernel32.NewProc("CreateEventW")
+	procEscapeCommFunction  = modkernel32.NewProc("EscapeCommFunction")
+	procGetCommModemStatus  = modkernel32.NewProc("GetCommModemStatus")
+	procGetCommState        = modkernel32.NewProc("GetCommState")
+	procGetOverlappedResult = modkernel32.NewProc("GetOverlappedResult")
+	procPurgeComm           = modkernel32.NewProc("PurgeComm")
+	procResetEvent          = modkernel32.NewProc("ResetEvent")
+	procSetCommBreak        = modkernel32.NewProc("SetCommBreak")
+	procSetCommState        = modkernel32.NewProc("SetCommState")
+	procSetCommTimeouts     = modkernel32.NewProc("SetCommTimeouts")
+)
+
+func regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, value *uint16, valueLen *uint32) (regerrno error) {
+	r0, _, _ := syscall.Syscall9(procRegEnumValueW.Addr(), 8, uintptr(key), uintptr(index), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(nameLen)), uintptr(unsafe.Pointer(reserved)), uintptr(unsafe.Pointer(class)), uintptr(unsafe.Pointer(value)), uintptr(unsafe.Pointer(valueLen)), 0)
+	if r0 != 0 {
+		regerrno = syscall.Errno(r0)
+	}
+	return
+}
+
+func clearCommBreak(handle syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall(procClearCommBreak.Addr(), 1, uintptr(handle), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createEvent(eventAttributes *uint32, manualReset bool, initialState bool, name *uint16) (handle syscall.Handle, err error) {
+	var _p0 uint32
+	if manualReset {
+		_p0 = 1
+	}
+	var _p1 uint32
+	if initialState {
+		_p1 = 1
+	}
+	r0, _, e1 := syscall.Syscall6(procCreateEventW.Addr(), 4, uintptr(unsafe.Pointer(eventAttributes)), uintptr(_p0), uintptr(_p1), uintptr(unsafe.Pointer(name)), 0, 0)
+	handle = syscall.Handle(r0)
+	if handle == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func escapeCommFunction(handle syscall.Handle, function uint32) (res bool) {
+	r0, _, _ := syscall.Syscall(procEscapeCommFunction.Addr(), 2, uintptr(handle), uintptr(function), 0)
+	res = r0 != 0
+	return
+}
+
+func getCommModemStatus(handle syscall.Handle, bits *uint32) (res bool) {
+	r0, _, _ := syscall.Syscall(procGetCommModemStatus.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(bits)), 0)
+	res = r0 != 0
+	return
+}
+
+func getCommState(handle syscall.Handle, dcb *dcb) (err error) {
+	r1, _, e1 := syscall.Syscall(procGetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getOverlappedResult(handle syscall.Handle, overlapEvent *syscall.Overlapped, n *uint32, wait bool) (err error) {
+	var _p0 uint32
+	if wait {
+		_p0 = 1
+	}
+	r1, _, e1 := syscall.Syscall6(procGetOverlappedResult.Addr(), 4, uintptr(handle), uintptr(unsafe.Pointer(overlapEvent)), uintptr(unsafe.Pointer(n)), uintptr(_p0), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func purgeComm(handle syscall.Handle, flags uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procPurgeComm.Addr(), 2, uintptr(handle), uintptr(flags), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func resetEvent(handle syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall(procResetEvent.Addr(), 1, uintptr(handle), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func setCommBreak(handle syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetCommBreak.Addr(), 1, uintptr(handle), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func setCommState(handle syscall.Handle, dcb *dcb) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func setCommTimeouts(handle syscall.Handle, timeouts *commTimeouts) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetCommTimeouts.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(timeouts)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}