/*
* ESPRESSIF MIT License
*
* Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
*
* Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "ets_sys.h"
#include "os_type.h"
#include "osapi.h"
#include "mem.h"
#include "gpio.h"
#include "user_interface.h"
#include "driver/key.h"
LOCAL void key_intr_handler(void *arg);
/******************************************************************************
* FunctionName : key_init_single
* Description : init single key's gpio and register function
* Parameters : uint8 gpio_id - which gpio to use
* uint32 gpio_name - gpio mux name
* uint32 gpio_func - gpio function
* key_function long_press - long press function, needed to install
* key_function short_press - short press function, needed to install
* Returns : single_key_param - single key parameter, needed by key init
*******************************************************************************/
struct single_key_param *ICACHE_FLASH_ATTR
key_init_single(uint8 gpio_id, uint32 gpio_name, uint8 gpio_func, key_function long_press, key_function short_press)
{
struct single_key_param *single_key = (struct single_key_param *)os_zalloc(sizeof(struct single_key_param));
//os_printf("+++ %s single_key: 0x%x gpio_id:%d gpio_name:%d gpio_func:%d lone_press:0x%x short_press : 0x%x \n",__FUNCTION__,single_key,gpio_id,gpio_name,gpio_func,long_press,short_press);
single_key->gpio_id = gpio_id;
single_key->gpio_name = gpio_name;
single_key->gpio_func = gpio_func;
single_key->long_press = long_press;
single_key->short_press = short_press;
return single_key;
}
/******************************************************************************
* FunctionName : key_init
* Description : init keys
* Parameters : key_param *keys - keys parameter, which inited by key_init_single
* Returns : none
*******************************************************************************/
void ICACHE_FLASH_ATTR
key_init(struct keys_param *keys)
{
uint8 i;
ETS_GPIO_INTR_ATTACH(key_intr_handler, keys);
ETS_GPIO_INTR_DISABLE();
os_printf("+++ %s key_num: %d \n",__FUNCTION__,keys->key_num);
for (i = 0; i < keys->key_num; i++) {
keys->single_key[i]->key_level = 1;
PIN_FUNC_SELECT(keys->single_key[i]->gpio_name, keys->single_key[i]->gpio_func);
gpio_output_set(0, 0, 0, GPIO_ID_PIN(keys->single_key[i]->gpio_id));
gpio_register_set(GPIO_PIN_ADDR(keys->single_key[i]->gpio_id), GPIO_PIN_INT_TYPE_SET(GPIO_PIN_INTR_DISABLE)
| GPIO_PIN_PAD_DRIVER_SET(GPIO_PAD_DRIVER_DISABLE)
| GPIO_PIN_SOURCE_SET(GPIO_AS_PIN_SOURCE));
//clear gpio14 status
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, BIT(keys->single_key[i]->gpio_id));
//enable interrupt
gpio_pin_intr_state_set(GPIO_ID_PIN(keys->single_key[i]->gpio_id), GPIO_PIN_INTR_NEGEDGE);
}
ETS_GPIO_INTR_ENABLE();
}
/******************************************************************************
* FunctionName : key_5s_cb
* Description : long press 5s timer callback
* Parameters : single_key_param *single_key - single key parameter
* Returns : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
key_5s_cb(struct single_key_param *single_key)
{
os_printf("\n\n+++++++++++++++++ %s\n\n\n",__FUNCTION__);
os_timer_disarm(&single_key->key_5s);
// low, then restart
if (0 == GPIO_INPUT_GET(GPIO_ID_PIN(single_key->gpio_id))) {
if (single_key->long_press) {
single_key->long_press();
os_printf("\n\n+++++++++++++++++ 0 == GPIO_INPUT_GET(GPIO_ID_PIN(single_key->gpio_id)) %s\n\n\n",__FUNCTION__);
}
}
}
/******************************************************************************
* FunctionName : key_50ms_cb
* Description : 50ms timer callback to check it's a real key push
* Parameters : single_key_param *single_key - single key parameter
* Returns : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
key_50ms_cb(struct single_key_param *single_key)
{
os_printf("\n\n+++++++++++++++++ %s\n\n\n",__FUNCTION__);
os_timer_disarm(&single_key->key_50ms);
// high, then key is up
if (1 == GPIO_INPUT_GET(GPIO_ID_PIN(single_key->gpio_id))) {
os_timer_disarm(&single_key->key_5s);
single_key->key_level = 1;
gpio_pin_intr_state_set(GPIO_ID_PIN(single_key->gpio_id), GPIO_PIN_INTR_NEGEDGE);
if (single_key->short_press) {
single_key->short_press();
}
} else {
gpio_pin_intr_state_set(GPIO_ID_PIN(single_key->gpio_id), GPIO_PIN_INTR_POSEDGE);
}
}
/******************************************************************************
* FunctionName : key_intr_handler
* Description : key interrupt handler
* Parameters : key_param *keys - keys parameter, which inited by key_init_single
* Returns : none
*******************************************************************************/
LOCAL void
key_intr_handler(void *arg)
{
uint8 i;
uint32 gpio_status = GPIO_REG_READ(GPIO_STATUS_ADDRESS);
struct keys_param *keys = (struct keys_param *)arg;
//os_printf("+++++++++++++++++ %s gpio_status:%d key_num: %d\n",__FUNCTION__,gpio_status,keys->key_num);
for (i = 0; i < keys->key_num; i++) {
//os_printf("+++++++++++++++++ gpio_status:%d keys->single_key[%d]->gpio_id:%d BIT(keys->single_key[ %d ]->gpio_id) : %d \n",gpio_status,i,keys->single_key[i]->gpio_id,i,BIT(keys->single_key[i]->gpio_id));
if (gpio_status & BIT(keys->single_key[i]->gpio_id)) {
//os_printf("+++++++++++++++++ i: %d \n",i);
//disable interrupt
gpio_pin_intr_state_set(GPIO_ID_PIN(keys->single_key[i]->gpio_id), GPIO_PIN_INTR_DISABLE);
//clear interrupt status
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, gpio_status & BIT(keys->single_key[i]->gpio_id));
if (keys->single_key[i]->key_level == 1) {
// 5s, restart & enter softap mode
os_timer_disarm(&keys->single_key[i]->key_5s);
os_timer_setfn(&keys->single_key[i]->key_5s, (os_timer_func_t *)key_5s_cb, keys->single_key[i]);
os_timer_arm(&keys->single_key[i]->key_5s, 5000, 0);
keys->single_key[i]->key_level = 0;
gpio_pin_intr_state_set(GPIO_ID_PIN(keys->single_key[i]->gpio_id), GPIO_PIN_INTR_POSEDGE);
} else {
// 50ms, check if this is a real key up
os_timer_disarm(&keys->single_key[i]->key_50ms);
os_timer_setfn(&keys->single_key[i]->key_50ms, (os_timer_func_t *)key_50ms_cb, keys->single_key[i]);
os_timer_arm(&keys->single_key[i]->key_50ms, 50, 0);
}
}
}
}
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