From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- peripherals/pio/pio_keypad.h | 153 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 peripherals/pio/pio_keypad.h (limited to 'peripherals/pio/pio_keypad.h') diff --git a/peripherals/pio/pio_keypad.h b/peripherals/pio/pio_keypad.h new file mode 100644 index 0000000..166f066 --- /dev/null +++ b/peripherals/pio/pio_keypad.h @@ -0,0 +1,153 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ---------------------------------------------------------------------------- + */ + +#ifndef PIO_KEYPAD_H +#define PIO_KEYPAD_H + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ + +#include + +//------------------------------------------------------------------------------ +// Global Definitions +//------------------------------------------------------------------------------ + + + + +//------------------------------------------------------------------------------ +// Global Macros +//------------------------------------------------------------------------------ +//enable keypad press interrupt +#define PIO_KeyPadEnableKPIt(pPIO) ((pPIO)->KIER = 1<<0) + +//enable keypad release interrupt +#define PIO_KeyPadEnableKRIt(pPIO) ((pPIO)->KIER = 1<<1) + +//disable keypad press interrupt +#define PIO_KeyPadDisableKPIt(pPIO) ((pPIO)->KIDR = 1<<0) + +//disable keypad release interrupt +#define PIO_KeyPadDisableKRIt(pPIO) ((pPIO)->KIDR = 1<<1) + +//enable keypad controller interrupt +#define PIO_KeyPadEnableIt(pPIO, mode) {switch(mode):\ + case 1:PIO_KeyPadEnableKPIt(pPIO);break;\ + case 2:PIO_KeyPadEnableKRIt(pPIO);break;\ + case 3:PIO_KeyPadEnableKPIt(pPIO);\ + PIO_KeyPadEnableKRIt(pPIO);break;\ + default:break;\ + } + +//disable keypad controller interrupt +#define PIO_KeyPadDisableIt(pPIO, mode) {switch(mode):\ + case 1:PIO_KeyPadDisableKPIt(pPIO);break;\ + case 2:PIO_KeyPadDisableKRIt(pPIO);break;\ + case 3:PIO_KeyPadDisableKPIt(pPIO);\ + PIO_KeyPadDisableKRIt(pPIO);break;\ + default:break;\ + } + +//get keypad controller interrupt mask +#define PIO_KeyPadGetItMask(pPIO) ((pPIO)->PIO_KIMR) + + +//------------------------------------------------------------------------------ +/// Calculates the size of an array of Pin instances. The array must be defined +/// locally (i.e. not a pointer), otherwise the computation will not be correct. +/// \param pPins Local array of Pin instances. +/// \return Number of elements in array. +//------------------------------------------------------------------------------ +#define PIO_LISTSIZE(pPins) (sizeof(pPins) / sizeof(Pin)) + +//------------------------------------------------------------------------------ +// Global Types +//------------------------------------------------------------------------------ +typedef enum { + FALSE, + TRUE +} bool; + +typedef struct _KeyPadConfig { + bool enable;//keypad controller enable or disable + unsigned char col:3;//config column size + unsigned char row:3;//config row size + unsigned int debouncing;//config debouncing +} KeyPadConfig; + + +typedef struct _KeyColRow { + unsigned char row:3; + unsigned char col:3; +} KeyColRow; + + +typedef struct _KeyDownEvent { + bool press;//at least 1 pressed key detected, or 0 + unsigned char keyPressNum;//simultaneously pressed key number + KeyColRow preKeyMatrix[4];//pressed key matrix +} KeyDownEvent; + + + +typedef struct _KeyUpEvent { + bool release;//at least 1 released key detected, or 0 + unsigned char keyRelNum;//simultaneously released key number + KeyColRow relKeyMatrix[4];//released key matrix +} KeyUpEvent; + + + +typedef struct _KeyEvent { + KeyDownEvent kdEvent; + KeyUpEvent kuEvent; +} KeyEvent; + +//------------------------------------------------------------------------------ +// Global Access Macros +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Global Functions +//------------------------------------------------------------------------------ + +void PIO_KeyPadConfig(AT91S_PIO *pPIO, KeyPadConfig *config); + +void PIO_GetKeyStatus(AT91S_PIO *pPIO, KeyEvent *event); + +void PIO_KeypadEnableIt(AT91S_PIO *pio, unsigned int mode); + +void PIO_KeypadDisableIt(AT91S_PIO *pio, unsigned int mode); + + +#endif //#ifndef PIO_KEYPAD_H + -- cgit v1.2.3