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#include "state_machine.h"
#include "esp_check.h"
#include "esp_log.h"
#include "esp_timer.h"
#include "display.h"
#include "local_screens.h"
#include "state_client.h"
static const char *TAG = "state";
static esp_timer_handle_t s_idle_timer;
static void arm_idle_timer_unlocked(void)
{
viewport_state_lock();
uint32_t ms = viewport_state_get()->idle_timeout_ms;
viewport_state_unlock();
if (ms == 0) return;
esp_timer_stop(s_idle_timer);
esp_timer_start_once(s_idle_timer, (uint64_t)ms * 1000ULL);
}
static void disarm_idle_timer(void)
{
esp_timer_stop(s_idle_timer);
}
static void idle_timer_fired(void *arg)
{
ESP_LOGI(TAG, "idle timer expired — sleeping");
state_machine_set_local(VIEWPORT_STATE_ASLEEP);
}
esp_err_t state_machine_init(void)
{
esp_timer_create_args_t args = {
.callback = &idle_timer_fired,
.name = "viewport_idle",
};
return esp_timer_create(&args, &s_idle_timer);
}
esp_err_t state_machine_set(viewport_run_state_t target)
{
if (target != VIEWPORT_STATE_AWAKE && target != VIEWPORT_STATE_ASLEEP)
return ESP_ERR_INVALID_ARG;
viewport_state_lock();
viewport_state_t *st = viewport_state_get();
if (st->state == target) {
viewport_state_unlock();
return ESP_OK; // idempotent no-op
}
st->state = target;
bool configured = st->configured;
viewport_state_unlock();
if (target == VIEWPORT_STATE_AWAKE) {
if (display_is_up()) {
display_wake();
// Content choice: configured devices show "Loading…" until
// Scrypted pushes a /frame; unconfigured devices show the
// identity screen since there's no Scrypted to push anything.
if (configured) local_screens_show_loading();
else local_screens_show_ip();
}
arm_idle_timer_unlocked();
ESP_LOGI(TAG, "AWAKE (%s)", configured ? "configured" : "unconfigured");
} else {
disarm_idle_timer();
if (display_is_up()) display_sleep();
ESP_LOGI(TAG, "ASLEEP");
}
return ESP_OK;
}
void state_machine_frame_painted(void)
{
viewport_state_lock();
bool awake = (viewport_state_get()->state == VIEWPORT_STATE_AWAKE);
viewport_state_unlock();
if (awake) arm_idle_timer_unlocked();
}
void state_machine_set_local(viewport_run_state_t target)
{
esp_err_t err = state_machine_set(target);
if (err != ESP_OK) return;
// Only POST when there's a Scrypted to talk to. Unconfigured tap toggles
// change the local display state without notifying anyone.
viewport_state_lock();
bool configured = viewport_state_get()->configured;
viewport_state_unlock();
if (configured) state_client_post(target);
}
viewport_run_state_t state_machine_current(void)
{
viewport_state_lock();
viewport_run_state_t s = viewport_state_get()->state;
viewport_state_unlock();
return s;
}
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