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#include <string.h>
#include <freertos/FreeRTOS.h>
#include <freertos/timers.h>
#include <esp_log.h>
#include <driver/gpio.h>
#include <hap.h>
#include <hap_apple_servs.h>
#include <hap_apple_chars.h>
#include <lock.h>
#include <intercom.h>
#define LOCK_UNSECURED 0
#define LOCK_SECURED 1
static TimerHandle_t lock_auto_secure_timer; // lock the door when timer triggered
static hap_char_t *lock_current_state;
static hap_char_t *lock_target_state;
void lock_update_current_state(uint8_t is_secured)
{
ESP_LOGI(TAG, "lock updated [%s]", is_secured ? "secured" : "unsecured");
gpio_set_level(GPIO_NUM_21, !is_secured);
hap_val_t val = {.u = is_secured};
hap_char_update_val(lock_current_state, &val);
if (!is_secured)
xTimerReset(lock_auto_secure_timer, 10);
}
int lock_write_cb(hap_write_data_t write_data[], int count, void *serv_priv, void *write_priv)
{
int i, ret = HAP_SUCCESS;
hap_write_data_t *write;
for (i = 0; i < count; i++)
{
write = &write_data[i];
if (!strcmp(hap_char_get_type_uuid(write->hc), HAP_CHAR_UUID_LOCK_TARGET_STATE))
{
lock_update_current_state(write->val.u);
hap_char_update_val(write->hc, &(write->val));
*(write->status) = HAP_STATUS_SUCCESS;
}
else
{
*(write->status) = HAP_STATUS_RES_ABSENT;
}
}
return ret;
}
void lock_auto_secure_timer_cb(TimerHandle_t timer)
{
ESP_LOGI(TAG, "lock timer fired");
lock_update_current_state(LOCK_SECURED);
hap_val_t val = {.u = LOCK_SECURED};
hap_char_update_val(lock_target_state, &val);
}
void lock_gpio_init()
{
gpio_config_t io_conf;
io_conf.intr_type = GPIO_INTR_DISABLE;
io_conf.pin_bit_mask = GPIO_SEL_21;
io_conf.mode = GPIO_MODE_OUTPUT;
io_conf.pull_up_en = GPIO_PULLUP_DISABLE;
io_conf.pull_down_en = GPIO_PULLDOWN_ENABLE;
gpio_config(&io_conf);
}
hap_serv_t *lock_service_init()
{
hap_serv_t *lock_service = hap_serv_lock_mechanism_create(LOCK_SECURED, LOCK_SECURED);
hap_serv_add_char(lock_service, hap_char_name_create("Intercom Lock"));
lock_current_state = hap_serv_get_char_by_uuid(lock_service, HAP_CHAR_UUID_LOCK_CURRENT_STATE);
lock_target_state = hap_serv_get_char_by_uuid(lock_service, HAP_CHAR_UUID_LOCK_TARGET_STATE);
hap_serv_set_write_cb(lock_service, lock_write_cb);
lock_auto_secure_timer = xTimerCreate("lock_auto_secure_timer", pdMS_TO_TICKS(CONFIG_HOMEKIT_INTERCOM_LOCK_TIMEOUT), pdFALSE, 0, lock_auto_secure_timer_cb);
lock_gpio_init();
return lock_service;
}
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