Nucleo-F401RE: Add standard, NuttX button support
This commit is contained in:
Gregory Nutt
parent
55d069360a
commit
180dbe28c4
@ -31,7 +31,6 @@ Contents
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- LED
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- Button
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- USARTS and Serial Consoles
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- Buttons and LEDs
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- LQFP64
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- DFU and JTAG
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- Configurations
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@ -345,6 +344,8 @@ Hardware
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Buttons
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-------
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B1 USER: the user button is connected to the I/O PC13 (pin 2) of the STM32
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microcontroller.
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LEDs
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----
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@ -328,6 +328,17 @@
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#define LED_ASSERTION 2
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#define LED_PANIC 1
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/* Buttons
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*
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* B1 USER: the user button is connected to the I/O PC13 (pin 2) of the STM32
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* microcontroller.
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*/
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#define BUTTON_USER 0
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#define NUM_BUTTONS 1
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#define BUTTON_USER_BIT (1 << BUTTON_USER)
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/************************************************************************************
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* Public Data
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************************************************************************************/
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@ -48,6 +48,10 @@ else
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CSRCS += stm32_userleds.c
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endif
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ifeq ($(CONFIG_ARCH_BUTTONS),y)
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CSRCS += stm32_buttons.c
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endif
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ifeq ($(CONFIG_WL_CC3000),y)
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CSRCS += stm32_wireless.c
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endif
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@ -14,6 +14,28 @@
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#include <nuttx/compiler.h>
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#include <stdint.h>
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/* LED. User LD2: the green LED is a user LED connected to Arduino signal D13
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* corresponding to MCU I/O PA5 (pin 21) or PB13 (pin 34) depending on the STM32
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* target.
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*
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* - When the I/O is HIGH value, the LED is on.
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* - When the I/O is LOW, the LED is off.
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*/
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#define GPIO_LD2 (GPIO_PORTA | GPIO_PIN13 | GPIO_OUTPUT_CLEAR | GPIO_OUTPUT | GPIO_PULLUP | GPIO_SPEED_50MHz)
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/* Buttons
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*
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* B1 USER: the user button is connected to the I/O PC13 (pin 2) of the STM32
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* microcontroller.
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*/
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#define MIN_IRQBUTTON BUTTON_USER
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#define MAX_IRQBUTTON BUTTON_USER
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#define NUM_IRQBUTTONS 1
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#define GPIO_BTN_USER (GPIO_INPUT |GPIO_FLOAT |GPIO_EXTI | GPIO_PORTC | GPIO_PIN13)
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/* The shield uses the following pins:
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*
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* +5V
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@ -27,21 +49,12 @@
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* Digital pin 12:
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* Digital pin 13:
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* Even if optional 6-pin SPI header is used, these pins are unavailable for other use.
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*
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* LED. User LD2: the green LED is a user LED connected to Arduino signal D13
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* corresponding to MCU I/O PA5 (pin 21) or PB13 (pin 34) depending on the STM32
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* target.
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*
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* - When the I/O is HIGH value, the LED is on.
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* - When the I/O is LOW, the LED is off.
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*/
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#define GPIO_WIFI_INT (GPIO_PORTB | GPIO_PIN3 | GPIO_INPUT | GPIO_PULLUP | GPIO_EXTI)
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#define GPIO_WIFI_EN (GPIO_PORTB | GPIO_PIN4 | GPIO_OUTPUT_CLEAR | GPIO_OUTPUT | GPIO_PULLUP | GPIO_SPEED_50MHz)
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#define GPIO_WIFI_CS (GPIO_PORTB | GPIO_PIN6 | GPIO_OUTPUT_SET | GPIO_OUTPUT | GPIO_PULLUP | GPIO_SPEED_50MHz)
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#define GPIO_LD2 (GPIO_PORTA | GPIO_PIN13 | GPIO_OUTPUT_CLEAR | GPIO_OUTPUT | GPIO_PULLUP | GPIO_SPEED_50MHz)
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#if defined(CONFIG_CC3000_PROBES)
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# define GPIO_D0 (GPIO_PORTB | GPIO_PIN7 | GPIO_OUTPUT_CLEAR | GPIO_OUTPUT | GPIO_PULLUP | GPIO_SPEED_50MHz)
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# define GPIO_D1 (GPIO_PORTB | GPIO_PIN6 | GPIO_OUTPUT_CLEAR | GPIO_OUTPUT | GPIO_PULLUP | GPIO_SPEED_50MHz)
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137
configs/nucleo-f401re/src/stm32_buttons.c
Normal file
137
configs/nucleo-f401re/src/stm32_buttons.c
Normal file
@ -0,0 +1,137 @@
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/****************************************************************************
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* configs/nucleo-f401re/src/stm32_buttons.c
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <nuttx/arch.h>
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#include <arch/board/board.h>
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#include "nucleo-f401re.h"
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#ifdef CONFIG_ARCH_BUTTONS
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_button_initialize
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*
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* Description:
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* board_button_initialize() must be called to initialize button resources.
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* After that, board_buttons() may be called to collect the current state
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* of all buttons or board_button_irq() may be called to register button
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* interrupt handlers.
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*
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****************************************************************************/
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void board_button_initialize(void)
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{
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/* Configure the single button as an input. NOTE that EXTI interrupts are
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* also configured for the pin.
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*/
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stm32_configgpio(GPIO_BTN_USER);
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}
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/****************************************************************************
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* Name: board_buttons
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****************************************************************************/
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uint8_t board_buttons(void)
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{
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/* Check that state of each USER button. A LOW value means that the key is
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* pressed.
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*/
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bool released = stm32_gpioread(GPIO_BTN_USER);
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return !released;
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}
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/************************************************************************************
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* Button support.
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*
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* Description:
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* board_button_initialize() must be called to initialize button resources. After
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* that, board_buttons() may be called to collect the current state of all
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* buttons or board_button_irq() may be called to register button interrupt
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* handlers.
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*
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* After board_button_initialize() has been called, board_buttons() may be called to
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* collect the state of all buttons. board_buttons() returns an 8-bit bit set
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* with each bit associated with a button. See the BUTTON_*_BIT
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* definitions in board.h for the meaning of each bit.
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*
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* board_button_irq() may be called to register an interrupt handler that will
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* be called when a button is depressed or released. The ID value is a
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* button enumeration value that uniquely identifies a button resource. See the
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* BUTTON_* definitions in board.h for the meaning of enumeration
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* value. The previous interrupt handler address is returned (so that it may
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* restored, if so desired).
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*
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************************************************************************************/
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#ifdef CONFIG_ARCH_IRQBUTTONS
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xcpt_t board_button_irq(int id, xcpt_t irqhandler)
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{
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xcpt_t oldhandler = NULL;
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if (id == BUTTON_USER)
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{
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oldhandler = stm32_gpiosetevent(GPIO_BTN_USER, true, true, true, irqhandler);
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}
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return oldhandler;
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}
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#endif
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#endif /* CONFIG_ARCH_BUTTONS */
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