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Add support for onboard joystick

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This commit is contained in:
Michał Łyszczek 2016-08-15 21:52:00 +02:00
parent 83fca7ded7
commit 795db7c103
3 changed files with 115 additions and 2 deletions
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5
configs/stm32butterfly2/nshnet/defconfig
View File

@ -562,7 +562,7 @@ CONFIG_ARCH_BOARD="stm32butterfly2"
CONFIG_ARCH_HAVE_LEDS=y
CONFIG_ARCH_LEDS=y
CONFIG_ARCH_HAVE_BUTTONS=y
# CONFIG_ARCH_BUTTONS is not set
CONFIG_ARCH_BUTTONS=y
#
# Board-Specific Options
@ -1151,6 +1151,9 @@ CONFIG_EXAMPLES_ADC=y
CONFIG_EXAMPLES_ADC_DEVPATH="/dev/adc0"
CONFIG_EXAMPLES_ADC_GROUPSIZE=4
CONFIG_EXAMPLES_ADC_SWTRIG=y
CONFIG_EXAMPLES_BUTTONS=y
CONFIG_EXAMPLES_BUTTONS_MIN=0
CONFIG_EXAMPLES_BUTTONS_MAX=4
# CONFIG_EXAMPLES_CHAT is not set
# CONFIG_EXAMPLES_CONFIGDATA is not set
# CONFIG_EXAMPLES_DHCPD is not set

5
configs/stm32butterfly2/src/Makefile
View File

@ -30,7 +30,6 @@
# 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.
#
############################################################################
-include $(TOPDIR)/Make.defs
@ -50,4 +49,8 @@ ifeq ($(CONFIG_MMCSD),y)
CSRCS += stm32_mmcsd.c
endif
ifeq ($(CONFIG_ARCH_BUTTONS),y)
CSRCS += stm32_buttons.c
endif
include $(TOPDIR)/configs/Board.mk

107
configs/stm32butterfly2/src/stm32_buttons.c Normal file
View File

@ -0,0 +1,107 @@
/*****************************************************************************
* configs/stm32butterfly2/src/stm32_buttons.c
*
* Copyright (C) 2016 Michał Łyszczek. All rights reserved.
* Author: Michał Łyszczek <michal.lyszczek@gmail.com>
*
* 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.
****************************************************************************/
/*****************************************************************************
* Public Includes
****************************************************************************/
#include "stm32_gpio.h"
/*****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define NUM_BUTTONS 5
#define GPIO_JOY_O (GPIO_INPUT | GPIO_CNF_INFLOAT | GPIO_MODE_INPUT |\
GPIO_PORTC | GPIO_PIN7)
#define GPIO_JOY_U (GPIO_INPUT | GPIO_CNF_INFLOAT | GPIO_MODE_INPUT |\
GPIO_PORTC | GPIO_PIN8)
#define GPIO_JOY_D (GPIO_INPUT | GPIO_CNF_INFLOAT | GPIO_MODE_INPUT |\
GPIO_PORTC | GPIO_PIN9)
#define GPIO_JOY_R (GPIO_INPUT | GPIO_CNF_INFLOAT | GPIO_MODE_INPUT |\
GPIO_PORTC | GPIO_PIN10)
#define GPIO_JOY_L (GPIO_INPUT | GPIO_CNF_INFLOAT | GPIO_MODE_INPUT |\
GPIO_PORTC | GPIO_PIN11)
/*****************************************************************************
* Private Declarations
****************************************************************************/
static const uint32_t buttons[NUM_BUTTONS] = {
GPIO_JOY_O, GPIO_JOY_U, GPIO_JOY_D, GPIO_JOY_R, GPIO_JOY_L };
/*****************************************************************************
* Public Functions
****************************************************************************/
/*****************************************************************************
* Name: board_button_initialize
*
* Description:
* Initializes gpio pins for joystick buttons
****************************************************************************/
void board_button_initialize(void)
{
int i;
for (i = 0; i != NUM_BUTTONS; ++i)
{
stm32_configgpio(buttons[i]);
}
}
/*****************************************************************************
* Name: board_buttons
*
* Description:
* Reads keys
****************************************************************************/
uint8_t board_buttons(void)
{
uint8_t rv = 0;
int i;
for (i = 0; i != NUM_BUTTONS; ++i)
{
if (stm32_gpioread(buttons[i]) == 0)
{
rv |= 1 << i;
}
}
return rv;
}