Initial Demo OS

2026-09-03 00:46:04 +01:00
commit 1491821e96
45 changed files with 2908 additions and 0 deletions
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+#include "os_input.h"
+#include "os_event.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "esp_log.h"
+#include "esp_timer.h"
+
+static const char *TAG = "SYS_INPUT";
+
+#define DEBOUNCE_TIME_MS      25
+#define CLICK_TIME_MAX_MS     350
+#define DOUBLE_CLICK_GAP_MS   280
+#define LONG_PRESS_TIME_MS    450
+#define HOME_PRESS_TIME_MS    1500
+
+typedef struct {
+    sys_input_handler_t handler;
+    void *user_arg;
+} input_listener_t;
+
+#define MAX_INPUT_LISTENERS 8
+static input_listener_t s_listeners[MAX_INPUT_LISTENERS];
+static size_t s_listener_count = 0;
+static gpio_num_t s_button_pin = GPIO_NUM_9;
+
+static void dispatch_action(input_action_t action)
+{
+    sys_event_id_t evt_id = SYS_EVENT_CUSTOM;
+    switch (action) {
+        case INPUT_ACTION_CLICK:
+            evt_id = SYS_EVENT_INPUT_SHORT_PRESS;
+            break;
+        case INPUT_ACTION_DOUBLE_CLICK:
+            evt_id = SYS_EVENT_INPUT_DOUBLE_CLICK;
+            break;
+        case INPUT_ACTION_LONG_PRESS:
+            evt_id = SYS_EVENT_INPUT_LONG_PRESS;
+            break;
+        case INPUT_ACTION_HOLD_HOME:
+            evt_id = SYS_EVENT_INPUT_EXTRA_LONG_PRESS;
+            break;
+        default:
+            return;
+    }
+
+    sys_event_post(evt_id, (int32_t)action, NULL);
+
+    for (size_t i = 0; i < s_listener_count; i++) {
+        if (s_listeners[i].handler) {
+            s_listeners[i].handler(action, s_listeners[i].user_arg);
+        }
+    }
+}
+
+void sys_input_inject(input_action_t action)
+{
+    dispatch_action(action);
+}
+
+esp_err_t sys_input_register_handler(sys_input_handler_t handler, void *user_arg)
+{
+    if (!handler) return ESP_ERR_INVALID_ARG;
+    if (s_listener_count >= MAX_INPUT_LISTENERS) return ESP_ERR_NO_MEM;
+    s_listeners[s_listener_count].handler = handler;
+    s_listeners[s_listener_count].user_arg = user_arg;
+    s_listener_count++;
+    return ESP_OK;
+}
+
+static void button_scanner_task(void *pvParameters)
+{
+    bool last_state = true;
+    uint32_t press_start_ms = 0;
+    uint32_t release_time_ms = 0;
+    uint8_t click_count = 0;
+    bool long_press_fired = false;
+    bool home_press_fired = false;
+
+    while (1) {
+        vTaskDelay(pdMS_TO_TICKS(10));
+        uint32_t now_ms = (uint32_t)(esp_timer_get_time() / 1000ULL);
+        bool current_state = (gpio_get_level(s_button_pin) == 0);
+
+        if (current_state && !last_state) {
+            press_start_ms = now_ms;
+            long_press_fired = false;
+            home_press_fired = false;
+        } else if (current_state && last_state) {
+            uint32_t held_duration = now_ms - press_start_ms;
+            if (!home_press_fired && held_duration >= HOME_PRESS_TIME_MS) {
+                home_press_fired = true;
+                click_count = 0;
+                dispatch_action(INPUT_ACTION_HOLD_HOME);
+            } else if (!long_press_fired && !home_press_fired && held_duration >= LONG_PRESS_TIME_MS) {
+                long_press_fired = true;
+                click_count = 0;
+                dispatch_action(INPUT_ACTION_LONG_PRESS);
+            }
+        } else if (!current_state && last_state) {
+            uint32_t press_duration = now_ms - press_start_ms;
+            if (press_duration >= DEBOUNCE_TIME_MS && !long_press_fired && !home_press_fired) {
+                click_count++;
+                release_time_ms = now_ms;
+            }
+        } else if (!current_state && !last_state) {
+            if (click_count > 0) {
+                uint32_t idle_time = now_ms - release_time_ms;
+                if (click_count >= 2) {
+                    dispatch_action(INPUT_ACTION_DOUBLE_CLICK);
+                    click_count = 0;
+                } else if (idle_time >= DOUBLE_CLICK_GAP_MS) {
+                    dispatch_action(INPUT_ACTION_CLICK);
+                    click_count = 0;
+                }
+            }
+        }
+
+        last_state = current_state;
+    }
+}
+
+esp_err_t sys_input_init(gpio_num_t button_gpio)
+{
+    s_button_pin = button_gpio;
+
+    gpio_config_t io_conf = {
+        .pin_bit_mask = (1ULL << s_button_pin),
+        .mode = GPIO_MODE_INPUT,
+        .pull_up_en = GPIO_PULLUP_ENABLE,
+        .pull_down_en = GPIO_PULLDOWN_DISABLE,
+        .intr_type = GPIO_INTR_DISABLE,
+    };
+    esp_err_t err = gpio_config(&io_conf);
+    if (err != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to configure button GPIO %d: %s", (int)s_button_pin, esp_err_to_name(err));
+        return err;
+    }
+
+    BaseType_t ret = xTaskCreate(button_scanner_task, "btn_scan_task", 3072, NULL, 12, NULL);
+    if (ret != pdPASS) {
+        ESP_LOGE(TAG, "Failed to create button scanner task");
+        return ESP_FAIL;
+    }
+
+    ESP_LOGI(TAG, "Input gesture engine started on GPIO %d", (int)s_button_pin);
+    return ESP_OK;
+}