mirror of
https://github.com/jam422470459/EPD-nRF52-hema213.git
synced 2025-12-19 14:53:19 +08:00
move components to SDK dir
This commit is contained in:
Shuanglei Tao
219
SDK/12.3.0_d7731ad/components/libraries/button/app_button.c
Normal file
219
SDK/12.3.0_d7731ad/components/libraries/button/app_button.c
Normal file
@@ -0,0 +1,219 @@
|
||||
/**
|
||||
* Copyright (c) 2012 - 2017, Nordic Semiconductor ASA
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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, except as embedded into a Nordic
|
||||
* Semiconductor ASA integrated circuit in a product or a software update for
|
||||
* such product, 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 of Nordic Semiconductor ASA nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* 4. This software, with or without modification, must only be used with a
|
||||
* Nordic Semiconductor ASA integrated circuit.
|
||||
*
|
||||
* 5. Any software provided in binary form under this license must not be reverse
|
||||
* engineered, decompiled, modified and/or disassembled.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
|
||||
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
|
||||
*
|
||||
*/
|
||||
#include "sdk_common.h"
|
||||
#if NRF_MODULE_ENABLED(BUTTON)
|
||||
#include "app_button.h"
|
||||
#include "app_timer.h"
|
||||
#include "app_error.h"
|
||||
#include "nrf_drv_gpiote.h"
|
||||
#include "nrf_assert.h"
|
||||
|
||||
|
||||
static app_button_cfg_t const * mp_buttons = NULL; /**< Button configuration. */
|
||||
static uint8_t m_button_count; /**< Number of configured buttons. */
|
||||
static uint32_t m_detection_delay; /**< Delay before a button is reported as pushed. */
|
||||
APP_TIMER_DEF(m_detection_delay_timer_id); /**< Polling timer id. */
|
||||
|
||||
|
||||
static uint32_t m_pin_state;
|
||||
static uint32_t m_pin_transition;
|
||||
|
||||
/**@brief Function for handling the timeout that delays reporting buttons as pushed.
|
||||
*
|
||||
* @details The detection_delay_timeout_handler(...) is a call-back issued from the app_timer
|
||||
* module. It is called with the p_context parameter. The p_context parameter is
|
||||
* provided to the app_timer module when a timer is started, using the call
|
||||
* @ref app_timer_start. On @ref app_timer_start the p_context will be holding the
|
||||
* currently pressed buttons.
|
||||
*
|
||||
* @param[in] p_context Pointer used for passing information app_start_timer() was called.
|
||||
* In the app_button module the p_context holds information on pressed
|
||||
* buttons.
|
||||
*/
|
||||
static void detection_delay_timeout_handler(void * p_context)
|
||||
{
|
||||
uint8_t i;
|
||||
|
||||
// Pushed button(s) detected, execute button handler(s).
|
||||
for (i = 0; i < m_button_count; i++)
|
||||
{
|
||||
app_button_cfg_t const * p_btn = &mp_buttons[i];
|
||||
uint32_t btn_mask = 1 << p_btn->pin_no;
|
||||
if (btn_mask & m_pin_transition)
|
||||
{
|
||||
m_pin_transition &= ~btn_mask;
|
||||
bool pin_is_set = nrf_drv_gpiote_in_is_set(p_btn->pin_no);
|
||||
if ((m_pin_state & (1 << p_btn->pin_no)) == (pin_is_set << p_btn->pin_no))
|
||||
{
|
||||
uint32_t transition = !(pin_is_set ^ (p_btn->active_state == APP_BUTTON_ACTIVE_HIGH));
|
||||
|
||||
if (p_btn->button_handler)
|
||||
{
|
||||
p_btn->button_handler(p_btn->pin_no, transition);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void gpiote_event_handler(nrf_drv_gpiote_pin_t pin, nrf_gpiote_polarity_t action)
|
||||
{
|
||||
uint32_t err_code;
|
||||
uint32_t pin_mask = 1 << pin;
|
||||
|
||||
// Start detection timer. If timer is already running, the detection period is restarted.
|
||||
// NOTE: Using the p_context parameter of app_timer_start() to transfer the pin states to the
|
||||
// timeout handler (by casting event_pins_mask into the equally sized void * p_context
|
||||
// parameter).
|
||||
err_code = app_timer_stop(m_detection_delay_timer_id);
|
||||
if (err_code != NRF_SUCCESS)
|
||||
{
|
||||
// The impact in app_button of the app_timer queue running full is losing a button press.
|
||||
// The current implementation ensures that the system will continue working as normal.
|
||||
return;
|
||||
}
|
||||
|
||||
if (!(m_pin_transition & pin_mask))
|
||||
{
|
||||
if (nrf_drv_gpiote_in_is_set(pin))
|
||||
{
|
||||
m_pin_state |= pin_mask;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_pin_state &= ~(pin_mask);
|
||||
}
|
||||
m_pin_transition |= (pin_mask);
|
||||
|
||||
err_code = app_timer_start(m_detection_delay_timer_id, m_detection_delay, NULL);
|
||||
if (err_code != NRF_SUCCESS)
|
||||
{
|
||||
// The impact in app_button of the app_timer queue running full is losing a button press.
|
||||
// The current implementation ensures that the system will continue working as normal.
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
m_pin_transition &= ~pin_mask;
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t app_button_init(app_button_cfg_t const * p_buttons,
|
||||
uint8_t button_count,
|
||||
uint32_t detection_delay)
|
||||
{
|
||||
uint32_t err_code;
|
||||
|
||||
if (detection_delay < APP_TIMER_MIN_TIMEOUT_TICKS)
|
||||
{
|
||||
return NRF_ERROR_INVALID_PARAM;
|
||||
}
|
||||
|
||||
if (!nrf_drv_gpiote_is_init())
|
||||
{
|
||||
err_code = nrf_drv_gpiote_init();
|
||||
VERIFY_SUCCESS(err_code);
|
||||
}
|
||||
|
||||
// Save configuration.
|
||||
mp_buttons = p_buttons;
|
||||
m_button_count = button_count;
|
||||
m_detection_delay = detection_delay;
|
||||
|
||||
m_pin_state = 0;
|
||||
m_pin_transition = 0;
|
||||
|
||||
while (button_count--)
|
||||
{
|
||||
app_button_cfg_t const * p_btn = &p_buttons[button_count];
|
||||
|
||||
nrf_drv_gpiote_in_config_t config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(false);
|
||||
config.pull = p_btn->pull_cfg;
|
||||
|
||||
err_code = nrf_drv_gpiote_in_init(p_btn->pin_no, &config, gpiote_event_handler);
|
||||
VERIFY_SUCCESS(err_code);
|
||||
}
|
||||
|
||||
// Create polling timer.
|
||||
return app_timer_create(&m_detection_delay_timer_id,
|
||||
APP_TIMER_MODE_SINGLE_SHOT,
|
||||
detection_delay_timeout_handler);
|
||||
}
|
||||
|
||||
uint32_t app_button_enable(void)
|
||||
{
|
||||
ASSERT(mp_buttons);
|
||||
|
||||
uint32_t i;
|
||||
for (i = 0; i < m_button_count; i++)
|
||||
{
|
||||
nrf_drv_gpiote_in_event_enable(mp_buttons[i].pin_no, true);
|
||||
}
|
||||
|
||||
return NRF_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
uint32_t app_button_disable(void)
|
||||
{
|
||||
ASSERT(mp_buttons);
|
||||
|
||||
uint32_t i;
|
||||
for (i = 0; i < m_button_count; i++)
|
||||
{
|
||||
nrf_drv_gpiote_in_event_disable(mp_buttons[i].pin_no);
|
||||
}
|
||||
|
||||
// Make sure polling timer is not running.
|
||||
return app_timer_stop(m_detection_delay_timer_id);
|
||||
}
|
||||
|
||||
|
||||
bool app_button_is_pushed(uint8_t button_id)
|
||||
{
|
||||
ASSERT(button_id <= m_button_count);
|
||||
ASSERT(mp_buttons != NULL);
|
||||
|
||||
app_button_cfg_t const * p_btn = &mp_buttons[button_id];
|
||||
bool is_set = nrf_drv_gpiote_in_is_set(p_btn->pin_no);
|
||||
|
||||
return !(is_set ^ (p_btn->active_state == APP_BUTTON_ACTIVE_HIGH));
|
||||
}
|
||||
#endif //NRF_MODULE_ENABLED(BUTTON)
|
||||
147
SDK/12.3.0_d7731ad/components/libraries/button/app_button.h
Normal file
147
SDK/12.3.0_d7731ad/components/libraries/button/app_button.h
Normal file
@@ -0,0 +1,147 @@
|
||||
/**
|
||||
* Copyright (c) 2012 - 2017, Nordic Semiconductor ASA
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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, except as embedded into a Nordic
|
||||
* Semiconductor ASA integrated circuit in a product or a software update for
|
||||
* such product, 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 of Nordic Semiconductor ASA nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* 4. This software, with or without modification, must only be used with a
|
||||
* Nordic Semiconductor ASA integrated circuit.
|
||||
*
|
||||
* 5. Any software provided in binary form under this license must not be reverse
|
||||
* engineered, decompiled, modified and/or disassembled.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
|
||||
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
|
||||
*
|
||||
*/
|
||||
|
||||
/** @file
|
||||
*
|
||||
* @defgroup app_button Button Handler
|
||||
* @{
|
||||
* @ingroup app_common
|
||||
*
|
||||
* @brief Buttons handling module.
|
||||
*
|
||||
* @details The button handler uses the @ref app_gpiote to detect that a button has been
|
||||
* pushed. To handle debouncing, it will start a timer in the GPIOTE event handler.
|
||||
* The button will only be reported as pushed if the corresponding pin is still active when
|
||||
* the timer expires. If there is a new GPIOTE event while the timer is running, the timer
|
||||
* is restarted.
|
||||
*
|
||||
* @note The app_button module uses the app_timer module. The user must ensure that the queue in
|
||||
* app_timer is large enough to hold the app_timer_stop() / app_timer_start() operations
|
||||
* which will be executed on each event from GPIOTE module (2 operations), as well as other
|
||||
* app_timer operations queued simultaneously in the application.
|
||||
*
|
||||
* @note Even if the scheduler is not used, app_button.h will include app_scheduler.h, so when
|
||||
* compiling, app_scheduler.h must be available in one of the compiler include paths.
|
||||
*/
|
||||
|
||||
#ifndef APP_BUTTON_H__
|
||||
#define APP_BUTTON_H__
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include "nrf.h"
|
||||
#include "app_error.h"
|
||||
#include "nrf_gpio.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define APP_BUTTON_PUSH 1 /**< Indicates that a button is pushed. */
|
||||
#define APP_BUTTON_RELEASE 0 /**< Indicates that a button is released. */
|
||||
#define APP_BUTTON_ACTIVE_HIGH 1 /**< Indicates that a button is active high. */
|
||||
#define APP_BUTTON_ACTIVE_LOW 0 /**< Indicates that a button is active low. */
|
||||
|
||||
/**@brief Button event handler type. */
|
||||
typedef void (*app_button_handler_t)(uint8_t pin_no, uint8_t button_action);
|
||||
|
||||
/**@brief Button configuration structure. */
|
||||
typedef struct
|
||||
{
|
||||
uint8_t pin_no; /**< Pin to be used as a button. */
|
||||
uint8_t active_state; /**< APP_BUTTON_ACTIVE_HIGH or APP_BUTTON_ACTIVE_LOW. */
|
||||
nrf_gpio_pin_pull_t pull_cfg; /**< Pull-up or -down configuration. */
|
||||
app_button_handler_t button_handler; /**< Handler to be called when button is pushed. */
|
||||
} app_button_cfg_t;
|
||||
|
||||
/**@brief Pin transition direction struct. */
|
||||
typedef struct
|
||||
{
|
||||
uint32_t high_to_low; /**Pin went from high to low */
|
||||
uint32_t low_to_high; /**Pin went from low to high */
|
||||
} pin_transition_t;
|
||||
|
||||
/**@brief Function for initializing the Buttons.
|
||||
*
|
||||
* @details This function will initialize the specified pins as buttons, and configure the Button
|
||||
* Handler module as a GPIOTE user (but it will not enable button detection).
|
||||
*
|
||||
* @note Normally initialization should be done using the APP_BUTTON_INIT() macro
|
||||
*
|
||||
* @note app_button_enable() function must be called in order to enable the button detection.
|
||||
*
|
||||
* @param[in] p_buttons Array of buttons to be used (NOTE: Must be static!).
|
||||
* @param[in] button_count Number of buttons.
|
||||
* @param[in] detection_delay Delay from a GPIOTE event until a button is reported as pushed.
|
||||
*
|
||||
* @return NRF_SUCCESS on success, otherwise an error code.
|
||||
*/
|
||||
uint32_t app_button_init(app_button_cfg_t const * p_buttons,
|
||||
uint8_t button_count,
|
||||
uint32_t detection_delay);
|
||||
|
||||
/**@brief Function for enabling button detection.
|
||||
*
|
||||
* @retval NRF_SUCCESS Module successfully enabled.
|
||||
*/
|
||||
uint32_t app_button_enable(void);
|
||||
|
||||
/**@brief Function for disabling button detection.
|
||||
*
|
||||
* @retval NRF_SUCCESS Button detection successfully disabled. Error code otherwise.
|
||||
*/
|
||||
uint32_t app_button_disable(void);
|
||||
|
||||
/**@brief Function for checking if a button is currently being pushed.
|
||||
*
|
||||
* @param[in] button_id Button index (in the app_button_cfg_t array given to app_button_init) to be checked.
|
||||
*
|
||||
* @return Button state.
|
||||
*/
|
||||
bool app_button_is_pushed(uint8_t button_id);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // APP_BUTTON_H__
|
||||
|
||||
/** @} */
|
||||
Reference in New Issue
Block a user