configs/sim: Add simulator-based test support for apps/examples/gpio
This commit is contained in:
Gregory Nutt
parent
9685fd8c99
commit
28afd30a4e
@ -64,4 +64,8 @@ ifeq ($(CONFIG_SIM_TOUCHSCREEN),y)
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endif
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endif
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ifeq ($(CONFIG_EXAMPLES_GPIO),y)
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CSRCS += sim_gpio.c
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endif
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include $(TOPDIR)/configs/Board.mk
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@ -1,7 +1,7 @@
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/****************************************************************************
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* config/sim/src/sim.h
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Copyright (C) 2015-2016 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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@ -111,4 +111,16 @@ int sim_bringup(void);
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int sim_zoneinfo(int minor);
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#endif
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/****************************************************************************
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* Name: sim_gpio_initialize
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*
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* Description:
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* Initialize GPIO drivers for use with /apps/examples/gpio
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*
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****************************************************************************/
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#ifdef CONFIG_EXAMPLES_GPIO
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int sim_gpio_initialize(void);
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#endif
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#endif /* __CONFIGS_SIM_SRC_SIM_H */
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@ -77,6 +77,12 @@ int sim_bringup(void)
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(void)sim_zoneinfo(3);
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#endif
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#ifdef CONFIG_EXAMPLES_GPIO
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/* Initialize simulated GPIO drivers */
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(void)sim_gpio_initialize();
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#endif
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#ifdef CONFIG_AJOYSTICK
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/* Initialize the simulated analog joystick input device */
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234
configs/sim/src/sim_gpio.c
Normal file
234
configs/sim/src/sim_gpio.c
Normal file
@ -0,0 +1,234 @@
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/****************************************************************************
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* configs/sim/src/sim_gpio.c
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*
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* Copyright (C) 2016 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 <stdbool.h>
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#include <assert.h>
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#include <debug.h>
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#include <nuttx/clock.h>
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#include <nuttx/wdog.h>
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#include <nuttx/ioexpander/gpio.h>
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#include "sim.h"
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#ifdef CONFIG_EXAMPLES_GPIO
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct simgpio_dev_s
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{
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struct gpio_dev_s gpio;
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bool value;
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};
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struct simgpint_dev_s
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{
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struct simgpio_dev_s simgpio;
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WDOG_ID wdog;
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pin_interrupt_t callback;
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static int gpin_read(FAR struct gpio_dev_s *dev, FAR bool *value);
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static int gpout_write(FAR struct gpio_dev_s *dev, bool value);
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static int gpint_attach(FAR struct gpio_dev_s *dev,
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pin_interrupt_t callback);
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static int gpint_enable(FAR struct gpio_dev_s *dev, bool enable);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const struct gpio_operations_s gpin_ops =
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{
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.go_read = gpin_read,
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.go_write = NULL,
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.go_attach = NULL,
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.go_enable = NULL,
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};
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static const struct gpio_operations_s gpout_ops =
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{
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.go_read = gpin_read,
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.go_write = gpout_write,
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.go_attach = NULL,
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.go_enable = NULL,
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};
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static const struct gpio_operations_s gpint_ops =
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{
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.go_read = gpin_read,
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.go_write = NULL,
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.go_attach = gpint_attach,
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.go_enable = gpint_enable,
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};
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static struct simgpio_dev_s g_gpin =
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{
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.gpio =
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{
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.gp_pintype = GPIO_INPUT_PIN,
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.gp_ops = &gpin_ops,
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},
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};
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static struct simgpio_dev_s g_gpout =
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{
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.gpio =
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{
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.gp_pintype = GPIO_OUTPUT_PIN,
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.gp_ops = &gpout_ops,
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},
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};
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static struct simgpint_dev_s g_gpint =
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{
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.simgpio =
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{
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.gpio =
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{
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.gp_pintype = GPIO_INTERRUPT_PIN,
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.gp_ops = &gpint_ops,
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},
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},
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int sim_interrupt(int argc, wdparm_t arg1, ...)
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{
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FAR struct simgpint_dev_s *simgpint = (FAR struct simgpint_dev_s *)arg1;
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DEBUGASSERT(simgpint != NULL && simgpint->callback != NULL);
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gpioinfo("Interrupt! callback=%p\n", simgpint->callback);
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simgpint->callback(&simgpint->simgpio.gpio);
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return OK;
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}
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static int gpin_read(FAR struct gpio_dev_s *dev, FAR bool *value)
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{
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FAR struct simgpio_dev_s *simgpio = (FAR struct simgpio_dev_s *)dev;
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DEBUGASSERT(simgpio != NULL && value != NULL);
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gpioinfo("Reading %d (next=%d)\n", (int)simgpio->value, (int)!simgpio->value);
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*value = simgpio->value;
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simgpio->value = !simgpio->value;
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return OK;
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}
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static int gpout_write(FAR struct gpio_dev_s *dev, bool value)
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{
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FAR struct simgpio_dev_s *simgpio = (FAR struct simgpio_dev_s *)dev;
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DEBUGASSERT(simgpio != NULL);
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gpioinfo("Writing %d\n", (int)value);
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simgpio->value = value;
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return OK;
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}
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static int gpint_attach(FAR struct gpio_dev_s *dev,
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pin_interrupt_t callback)
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{
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FAR struct simgpint_dev_s *simgpint = (FAR struct simgpint_dev_s *)dev;
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gpioinfo("Cancel 1 second timer\n");
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wd_cancel(simgpint->wdog);
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gpioinfo("Attach %p\n", callback);
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simgpint->callback = callback;
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return OK;
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}
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static int gpint_enable(FAR struct gpio_dev_s *dev, bool enable)
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{
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FAR struct simgpint_dev_s *simgpint = (FAR struct simgpint_dev_s *)dev;
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if (enable)
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{
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if (simgpint->callback != NULL)
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{
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gpioinfo("Start 1 second timer\n");
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(void)wd_start(simgpint->wdog, SEC2TICK(1),
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(wdentry_t)sim_interrupt, 1, (wdparm_t)dev);
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}
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}
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else
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{
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gpioinfo("Cancel 1 second timer\n");
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(void)wd_cancel(simgpint->wdog);
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}
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return OK;
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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: sim_gpio_initialize
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*
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* Description:
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* Initialize GPIO drivers for use with /apps/examples/gpio
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*
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****************************************************************************/
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int sim_gpio_initialize(void)
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{
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g_gpint.wdog = wd_create();
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DEBUGASSERT(g_gpint.wdog != NULL);
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(void)gpio_pin_register(&g_gpin.gpio, 0);
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(void)gpio_pin_register(&g_gpout.gpio, 1);
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(void)gpio_pin_register(&g_gpint.simgpio.gpio, 2);
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return 0;
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}
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#endif /* CONFIG_EXAMPLES_GPIO */
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