From 3a282de9331ea261eeadca0dd36c0527f173dd4c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Wed, 7 Nov 2012 23:18:51 +0200 Subject: Move RGB and button drivers 2 dirs up --- drivers/buttons.h | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 drivers/buttons.h (limited to 'drivers/buttons.h') diff --git a/drivers/buttons.h b/drivers/buttons.h new file mode 100644 index 0000000..416125a --- /dev/null +++ b/drivers/buttons.h @@ -0,0 +1,96 @@ +//***************************************************************************** +// +// buttons.h - Prototypes for the evaluation board buttons driver. +// +// Copyright (c) 2012 Texas Instruments Incorporated. All rights reserved. +// Software License Agreement +// +// Texas Instruments (TI) is supplying this software for use solely and +// exclusively on TI's microcontroller products. The software is owned by +// TI and/or its suppliers, and is protected under applicable copyright +// laws. You may not combine this software with "viral" open-source +// software in order to form a larger program. +// +// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS. +// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT +// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY +// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL +// DAMAGES, FOR ANY REASON WHATSOEVER. +// +// This is part of revision 9453 of the EK-LM4F120XL Firmware Package. +// +//***************************************************************************** + +#ifndef __BUTTONS_H__ +#define __BUTTONS_H__ + +//***************************************************************************** +// +// Defines for the hardware resources used by the pushbuttons. +// +// The switches are on the following ports/pins: +// +// PF4 - Left Button +// PF0 - Right Button +// +// The switches tie the GPIO to ground, so the GPIOs need to be configured +// with pull-ups, and a value of 0 means the switch is pressed. +// +//***************************************************************************** +#define BUTTONS_GPIO_PERIPH SYSCTL_PERIPH_GPIOF +#define BUTTONS_GPIO_BASE GPIO_PORTF_BASE + +#define NUM_BUTTONS 2 +#define LEFT_BUTTON GPIO_PIN_4 +#define RIGHT_BUTTON GPIO_PIN_0 + +#define ALL_BUTTONS (LEFT_BUTTON | RIGHT_BUTTON) + +//***************************************************************************** +// +// Useful macros for detecting button events. +// +//***************************************************************************** +#define BUTTON_PRESSED(button, buttons, changed) \ + (((button) & (changed)) && ((button) & (buttons))) + +#define BUTTON_RELEASED(button, buttons, changed) \ + (((button) & (changed)) && !((button) & (buttons))) + +//***************************************************************************** +// +// If building with a C++ compiler, make all of the definitions in this header +// have a C binding. +// +//***************************************************************************** +#ifdef __cplusplus +extern "C" +{ +#endif + +//***************************************************************************** +// +// Functions exported from buttons.c +// +//***************************************************************************** +extern void ButtonsInit(void); +extern unsigned char ButtonsPoll(unsigned char *pucDelta, + unsigned char *pucRaw); + +//***************************************************************************** +// +// Mark the end of the C bindings section for C++ compilers. +// +//***************************************************************************** +#ifdef __cplusplus +} +#endif + +//***************************************************************************** +// +// Prototypes for the globals exported by this driver. +// +//***************************************************************************** + +#endif // __BUTTONS_H__ -- cgit v1.3.1