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Diffstat (limited to 'misc/Obsoleted/configs/stm32f100rc_generic/src/up_buttons.c')
-rw-r--r-- | misc/Obsoleted/configs/stm32f100rc_generic/src/up_buttons.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/misc/Obsoleted/configs/stm32f100rc_generic/src/up_buttons.c b/misc/Obsoleted/configs/stm32f100rc_generic/src/up_buttons.c new file mode 100644 index 000000000..b05b7a1d5 --- /dev/null +++ b/misc/Obsoleted/configs/stm32f100rc_generic/src/up_buttons.c @@ -0,0 +1,119 @@ +/**************************************************************************** + * configs/stm32f100rc_generic/src/board_buttons.c + * + * Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * Freddie Chopin <freddie_chopin@op.pl> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> + +#include <nuttx/arch.h> +#include <arch/board/board.h> + +#include "stm32f100rc_internal.h" + +#ifdef CONFIG_ARCH_BUTTONS + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_button_initialize + * + * Description: + * board_button_initialize() must be called to initialize button resources. After + * that, board_buttons() may be called to collect the current state of all + * buttons or board_button_irq() may be called to register button interrupt + * handlers. + * + ****************************************************************************/ + +void board_button_initialize(void) +{ + stm32_configgpio(GPIO_BTN_0); /* Configure the GPIO pins as inputs. */ +} + +/**************************************************************************** + * Name: board_buttons + ****************************************************************************/ + +uint8_t board_buttons(void) +{ + uint8_t ret = 0; + + ret = (stm32_gpioread(g_buttons[i]) == false ? 1 : 0); + + return ret; +} + +/************************************************************************************ + * Button support. + * + * Description: + * board_button_initialize() must be called to initialize button resources. After + * that, board_buttons() may be called to collect the current state of all + * buttons or board_button_irq() may be called to register button interrupt + * handlers. + * + * After board_button_initialize() has been called, board_buttons() may be called to + * collect the state of all buttons. board_buttons() returns an 8-bit bit set + * with each bit associated with a button. See the BUTTON_*_BIT and JOYSTICK_*_BIT + * definitions in board.h for the meaning of each bit. + * + * board_button_irq() may be called to register an interrupt handler that will + * be called when a button is depressed or released. The ID value is a + * button enumeration value that uniquely identifies a button resource. See the + * BUTTON_* and JOYSTICK_* definitions in board.h for the meaning of enumeration + * value. The previous interrupt handler address is returned (so that it may + * restored, if so desired). + * + ************************************************************************************/ + +#ifdef CONFIG_ARCH_IRQBUTTONS +xcpt_t board_button_irq(int id, xcpt_t irqhandler) +{ + xcpt_t oldhandler = NULL; + + if (id == 0) + oldhandler = stm32_gpiosetevent(GPIO_BTN_0, true, true, true, irqhandler); + + return oldhandler; +} +#endif +#endif /* CONFIG_ARCH_BUTTONS */ |