Add GINPUT Dial, simplify GWIN input assignment

Added GINPUT Dial support and a driver that uses GADC to read the dial.
Added support for Dial inputs to the GWIN slider.
Updated the slider demo for Dial Inputs.
Simplified the assigning of inputs to GWIN "widgets" button and slider.
Updated the demo's to match the new input to button assignment.

1 files changed, 57 insertions, 0 deletions

diff --git a/include/ginput/lld/dial.h b/include/ginput/lld/dial.h
new file mode 100644
index 00000000..3efae04f
--- /dev/null
+++ b/include/ginput/lld/dial.h
@@ -0,0 +1,57 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012, 2013
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/GFX is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @file    include/ginput/lld/dial.h
+ * @brief   GINPUT header file for dial drivers.
+ *
+ * @defgroup Dial Dial
+ * @ingroup GINPUT
+ * @{
+ */
+
+#ifndef _LLD_GINPUT_DIAL_H
+#define _LLD_GINPUT_DIAL_H
+
+#if GINPUT_NEED_DIAL || defined(__DOXYGEN__)
+
+#include "ginput_lld_dial_config.h"
+
+typedef void (*DialCallbackFn)(uint16_t instance, uint16_t rawvalue);
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	void ginput_lld_dial_init(void);
+	void ginput_lld_dial_poll(DialCallbackFn fn);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GFX_USE_GINPUT && GINPUT_NEED_TOGGLE */
+
+#endif /* _LLD_GINPUT_TOGGLE_H */
+/** @} */
+