From 60b30c036397cb5627fa374bb930794b225daa29 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Fri, 7 Jul 2017 11:55:23 -0400
Subject: Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
---
LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h | 119 +++++++++++++++++++++++
1 file changed, 119 insertions(+)
create mode 100644 LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h
(limited to 'LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h')
diff --git a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h
new file mode 100644
index 0000000000..901869d35e
--- /dev/null
+++ b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h
@@ -0,0 +1,119 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ * \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
+ * \copydetails Group_Buttons_A3BU_XPLAINED
+ *
+ * \note This file should not be included directly. It is automatically included as needed by the Buttons driver
+ * dispatch header located in LUFA/Drivers/Board/Buttons.h.
+ */
+
+/** \ingroup Group_Buttons
+ * \defgroup Group_Buttons_A3BU_XPLAINED A3BU_XPLAINED
+ * \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
+ *
+ * Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
+ *
+ * <table>
+ * <tr><th>Name</th><th>Info</th><th>Active Level</th><th>Port Pin</th></tr>
+ * <tr><td>BUTTONS_BUTTON1</td><td>SW0 Button</td><td>Low</td><td>PORTE.5</td></tr>
+ * <tr><td>BUTTONS_BUTTON2</td><td>SW1 Button</td><td>Low</td><td>PORTF.1</td></tr>
+ * <tr><td>BUTTONS_BUTTON3</td><td>SW2 Button</td><td>Low</td><td>PORTF.2</td></tr>
+ * </table>
+ *
+ * @{
+ */
+
+#ifndef __BUTTONS_A3BU_XPLAINED_H__
+#define __BUTTONS_A3BU_XPLAINED_H__
+
+ /* Includes: */
+ #include <avr/io.h>
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Preprocessor Checks: */
+ #if !defined(__INCLUDE_FROM_BUTTONS_H)
+ #error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** Button mask for the first button on the board. */
+ #define BUTTONS_BUTTON1 (1 << 5)
+
+ /** Button mask for the second button on the board. */
+ #define BUTTONS_BUTTON2 (1 << 1)
+
+ /** Button mask for the third button on the board. */
+ #define BUTTONS_BUTTON3 (1 << 2)
+
+ /* Inline Functions: */
+ #if !defined(__DOXYGEN__)
+ static inline void Buttons_Init(void)
+ {
+ PORTE.OUTCLR = BUTTONS_BUTTON1;
+ PORTE.PIN5CTRL = (PORT_OPC_PULLUP_gc | PORT_INVEN_bm);
+
+ PORTF.OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3);
+ PORTF.PIN1CTRL = (PORT_OPC_PULLUP_gc | PORT_INVEN_bm);
+ PORTF.PIN2CTRL = (PORT_OPC_PULLUP_gc | PORT_INVEN_bm);
+ }
+
+ static inline void Buttons_Disable(void)
+ {
+ PORTE.OUTCLR = BUTTONS_BUTTON1;
+ PORTE.PIN5CTRL = 0;
+
+ PORTF.OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3);
+ PORTF.PIN1CTRL = 0;
+ PORTF.PIN2CTRL = 0;
+ }
+
+ static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
+ static inline uint8_t Buttons_GetStatus(void)
+ {
+ return ((PORTE_IN & BUTTONS_BUTTON1) | (PORTF_IN & (BUTTONS_BUTTON2 | BUTTONS_BUTTON3)));
+ }
+ #endif
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
+
--
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