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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-07-19 Magicoe The first version for LPC55S6x, refered github.com/Guozhanxin/RTT-BeepPlayer-pkg
*/
#include <rtthread.h>
#include "rtconfig.h"
#include "fsl_common.h"
#include "fsl_iocon.h"
#include "fsl_gpio.h"
#include "fsl_inputmux.h"
#include "drv_key.h"
/**** Debug ****/
#define DBG_ENABLE
#define DBG_SECTION_NAME "button"
#define DBG_LEVEL DBG_INFO
#define DBG_COLOR
#include <rtdbg.h>
#define MY_BUTTON_CALL(func, argv) \
do { if ((func) != RT_NULL) func argv; } while (0)
struct my_button_manage
{
rt_uint8_t num;
rt_timer_t timer;
struct my_button *button_list[MY_BUTTON_LIST_MAX];
};
static struct my_button_manage button_manage;
int my_button_register(struct my_button *button)
{
if (button->press_logic_level == 0)
{
rt_pin_mode(button->pin, PIN_MODE_INPUT_PULLUP);
}
else
{
rt_pin_mode(button->pin, PIN_MODE_INPUT_PULLDOWN);
}
button->cnt = 0;
button->event = BUTTON_EVENT_NONE;
button_manage.button_list[button_manage.num++] = button;
return 0;
}
static void my_button_scan(void *param)
{
rt_uint8_t i;
rt_uint16_t cnt_old;
for (i = 0; i < button_manage.num; i++)
{
cnt_old = button_manage.button_list[i]->cnt;
if (rt_pin_read(button_manage.button_list[i]->pin) == button_manage.button_list[i]->press_logic_level)
{
button_manage.button_list[i]->cnt ++;
if (button_manage.button_list[i]->cnt == MY_BUTTON_DOWN_MS / MY_BUTTON_SCAN_SPACE_MS) /* BUTTON_DOWN */
{
LOG_D("BUTTON_DOWN");
button_manage.button_list[i]->event = BUTTON_EVENT_CLICK_DOWN;
MY_BUTTON_CALL(button_manage.button_list[i]->cb, (button_manage.button_list[i]));
}
else if (button_manage.button_list[i]->cnt == MY_BUTTON_HOLD_MS / MY_BUTTON_SCAN_SPACE_MS) /* BUTTON_HOLD */
{
LOG_D("BUTTON_HOLD");
button_manage.button_list[i]->event = BUTTON_EVENT_HOLD;
MY_BUTTON_CALL(button_manage.button_list[i]->cb, (button_manage.button_list[i]));
}
else if (button_manage.button_list[i]->cnt > MY_BUTTON_HOLD_MS / MY_BUTTON_SCAN_SPACE_MS) /* BUTTON_HOLD_CYC */
{
LOG_D("BUTTON_HOLD_CYC");
button_manage.button_list[i]->event = BUTTON_EVENT_HOLD_CYC;
if (button_manage.button_list[i]->hold_cyc_period && button_manage.button_list[i]->cnt % (button_manage.button_list[i]->hold_cyc_period / MY_BUTTON_SCAN_SPACE_MS) == 0)
MY_BUTTON_CALL(button_manage.button_list[i]->cb, (button_manage.button_list[i]));
}
}
else
{
button_manage.button_list[i]->cnt = 0;
if (cnt_old >= MY_BUTTON_DOWN_MS / MY_BUTTON_SCAN_SPACE_MS && cnt_old < MY_BUTTON_HOLD_MS / MY_BUTTON_SCAN_SPACE_MS) /* BUTTON_CLICK_UP */
{
LOG_D("BUTTON_CLICK_UP");
button_manage.button_list[i]->event = BUTTON_EVENT_CLICK_UP;
MY_BUTTON_CALL(button_manage.button_list[i]->cb, (button_manage.button_list[i]));
}
else if (cnt_old >= MY_BUTTON_HOLD_MS / MY_BUTTON_SCAN_SPACE_MS) /* BUTTON_HOLD_UP */
{
LOG_D("BUTTON_HOLD_UP");
button_manage.button_list[i]->event = BUTTON_EVENT_HOLD_UP;
MY_BUTTON_CALL(button_manage.button_list[i]->cb, (button_manage.button_list[i]));
}
}
}
}
int my_button_start(void)
{
if (button_manage.timer != RT_NULL)
return -1;
/* Create Timer 1 */
button_manage.timer = rt_timer_create("timer1", /* Timer name is: timer1 */
my_button_scan, /* Timeout callback func */
RT_NULL, /* Timeout func entry */
RT_TICK_PER_SECOND * MY_BUTTON_SCAN_SPACE_MS / 1000,
RT_TIMER_FLAG_PERIODIC | RT_TIMER_FLAG_SOFT_TIMER);
/* Start Timer */
if (button_manage.timer != RT_NULL)
rt_timer_start(button_manage.timer);
return 0;
}
#ifdef RT_USING_FINSH
#include <finsh.h>
#ifdef FINSH_USING_MSH
#define KEY_PIN 51
#define KEY_PRESS_VALUE 0
void key_cb(struct my_button *button)
{
switch (button->event)
{
case BUTTON_EVENT_CLICK_UP:
rt_kprintf("This is click up callback!\n");
break;
case BUTTON_EVENT_HOLD_CYC:
rt_kprintf("This is hold cyc callback!\n");
break;
default:
;
}
}
void key_test(rt_uint32_t led_num, rt_uint32_t value)
{
/* user app entry */
static struct my_button key = {0};
key.press_logic_level = KEY_PRESS_VALUE;
key.hold_cyc_period = 100;
key.cb = (my_button_callback)key_cb;
key.pin = KEY_PIN;
my_button_register(&key);
my_button_start();
}
MSH_CMD_EXPORT(key_test, key_test);
#endif /* FINSH_USING_MSH */
#endif /* RT_USING_FINSH */
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