From b87fc6b140772ba3017de311c7063c259424264c Mon Sep 17 00:00:00 2001
From: Alex <kavsrf@gmail.com>
Date: Mon, 15 Aug 2016 17:11:31 +0200
Subject: First public release. Used by VeraCrypt 1.18.

---
 DcsCfg/DcsCfgTouch.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 DcsCfg/DcsCfgTouch.c

(limited to 'DcsCfg/DcsCfgTouch.c')

diff --git a/DcsCfg/DcsCfgTouch.c b/DcsCfg/DcsCfgTouch.c
new file mode 100644
index 0000000..3553052
--- /dev/null
+++ b/DcsCfg/DcsCfgTouch.c
@@ -0,0 +1,95 @@
+/** @file
+DCS configuration. Touch devices.
+
+Copyright (c) 2016. Disk Cryptography Services for EFI (DCS), Alex Kolotnikov
+Copyright (c) 2016. VeraCrypt, Mounir IDRASSI 
+
+This program and the accompanying materials
+are licensed and made available under the terms and conditions
+of the GNU Lesser General Public License, version 3.0 (LGPL-3.0).
+
+The full text of the license may be found at
+https://opensource.org/licenses/LGPL-3.0
+**/
+
+#include <Library/CommonLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+
+#include "DcsCfg.h"
+
+//////////////////////////////////////////////////////////////////////////
+// Touch
+//////////////////////////////////////////////////////////////////////////
+UINTN       TouchIndex = 0;
+
+void TouchPrintDevicePath(EFI_HANDLE handle) {
+	EFI_ABSOLUTE_POINTER_PROTOCOL*		absio = NULL;
+	EfiPrintDevicePath(handle);
+	TouchGetIO(handle, &absio);
+	if (absio != NULL) {
+		EFI_STATUS              res;
+		EFI_ABSOLUTE_POINTER_STATE		aps;
+		SetMem(&aps, sizeof(aps), 0);
+		res = absio->GetState(absio, &aps);
+		OUT_PRINT(L" - X[%lld,%lld] Y[%lld,%lld] Z[%lld,%lld] A[0x%x] S[%r (%lld,%lld,%lld), 0x%x]",
+			absio->Mode->AbsoluteMinX, absio->Mode->AbsoluteMaxX,
+			absio->Mode->AbsoluteMinY, absio->Mode->AbsoluteMaxY,
+			absio->Mode->AbsoluteMinZ, absio->Mode->AbsoluteMaxZ,
+			absio->Mode->Attributes,
+			res, aps.CurrentX, aps.CurrentY, aps.CurrentZ, aps.ActiveButtons
+			);
+	}
+}
+
+void TouchPrintDevicePathByIndex(UINTN touchIndex) {
+	OUT_PRINT(L"%V%d%N ", touchIndex);
+	TouchPrintDevicePath(gTouchHandles[touchIndex]);
+}
+
+void TouchPrintDevicePaths(CHAR16* msg) {
+	UINTN i;
+	OUT_PRINT(msg);
+	for (i = 0; i < gTouchCount; ++i) {
+		TouchPrintDevicePathByIndex(i);
+		OUT_PRINT(L"\n");
+	}
+}
+
+VOID
+PrintTouchList() {
+	InitTouch();
+	TouchPrintDevicePaths(L"%HTouch handles%N\n");
+}
+
+VOID
+TestTouch() {
+	EFI_ABSOLUTE_POINTER_PROTOCOL*		absio = NULL;
+	EFI_HANDLE					handle;
+	EFI_STATUS              res;
+
+	InitTouch();
+	if (TouchIndex >= gTouchCount) return;
+	handle = gTouchHandles[TouchIndex];
+	EfiPrintDevicePath(handle);
+	TouchGetIO(handle, &absio);
+	if (absio != NULL) {
+		EFI_ABSOLUTE_POINTER_STATE		aps;
+		EFI_EVENT		events[2];
+		UINTN EventIndex;
+
+		events[0] = gST->ConIn->WaitForKey;
+		events[1] = absio->WaitForInput;
+		do {
+			gBS->WaitForEvent(2, events, &EventIndex);
+			SetMem(&aps, sizeof(aps), 0);
+			res = absio->GetState(absio, &aps);
+			OUT_PRINT(L" S[%r (%lld,%lld,%lld), 0x%x]",
+				res, aps.CurrentX, aps.CurrentY, aps.CurrentZ, aps.ActiveButtons
+				);
+		} while (EventIndex == 1);
+	}
+}
+
-- 
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