feat: 添加启动按钮功能与 UI 事件处理

- 在 CMakeLists.txt 中添加 boot_button.c 源文件以支持启动按钮功能 - 新增 ui_handlers.c 和 ui_handlers.h，处理 UI 事件并初始化启动按钮 - 实现 boot_button.c，配置 GPIO 中断和任务以响应启动按钮按下事件 - 更新 board_config.h，定义启动按钮的 GPIO 引脚
2026-07-01 22:10:11 +08:00
parent 73e62c4dfd
commit ebe62c5284
7 changed files with 109 additions and 0 deletions
@@ -41,6 +41,7 @@
 #define BOARD_TOUCH_ENABLED      1

 /* User IO */
+#define BOARD_PIN_BOOT           0
 #define BOARD_PIN_KEY            4
 #define BOARD_PIN_LED            16

@@ -0,0 +1,73 @@
+#include "boot_button.h"
+
+#include "board_config.h"
+
+#include "driver/gpio.h"
+#include "esp_log.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/queue.h"
+#include "freertos/task.h"
+
+static const char *TAG = "boot_btn";
+
+#define BOOT_DEBOUNCE_MS 50
+
+static boot_button_cb_t s_on_press;
+static QueueHandle_t s_gpio_evt_queue;
+
+static void IRAM_ATTR gpio_isr_handler(void *arg)
+{
+    uint32_t gpio_num = (uint32_t)arg;
+    xQueueSendFromISR(s_gpio_evt_queue, &gpio_num, NULL);
+}
+
+static void boot_button_task(void *arg)
+{
+    (void)arg;
+    uint32_t io_num;
+
+    while (1) {
+        if (xQueueReceive(s_gpio_evt_queue, &io_num, portMAX_DELAY) != pdTRUE) {
+            continue;
+        }
+
+        vTaskDelay(pdMS_TO_TICKS(BOOT_DEBOUNCE_MS));
+
+        if (gpio_get_level(BOARD_PIN_BOOT) != 0) {
+            continue;
+        }
+
+        while (gpio_get_level(BOARD_PIN_BOOT) == 0) {
+            vTaskDelay(pdMS_TO_TICKS(10));
+        }
+
+        if (s_on_press != NULL) {
+            s_on_press();
+        }
+    }
+}
+
+void boot_button_init(boot_button_cb_t on_press)
+{
+    s_on_press = on_press;
+
+    gpio_config_t io_conf = {
+        .pin_bit_mask = 1ULL << BOARD_PIN_BOOT,
+        .mode = GPIO_MODE_INPUT,
+        .pull_up_en = GPIO_PULLUP_ENABLE,
+        .pull_down_en = GPIO_PULLDOWN_DISABLE,
+        .intr_type = GPIO_INTR_NEGEDGE,
+    };
+    ESP_ERROR_CHECK(gpio_config(&io_conf));
+
+    s_gpio_evt_queue = xQueueCreate(10, sizeof(uint32_t));
+    esp_err_t err = gpio_install_isr_service(0);
+    if (err != ESP_OK && err != ESP_ERR_INVALID_STATE) {
+        ESP_ERROR_CHECK(err);
+    }
+    ESP_ERROR_CHECK(gpio_isr_handler_add(BOARD_PIN_BOOT, gpio_isr_handler,
+                                         (void *)BOARD_PIN_BOOT));
+
+    xTaskCreate(boot_button_task, "boot_btn", 2048, NULL, 5, NULL);
+    ESP_LOGI(TAG, "BOOT button ready on GPIO%d", BOARD_PIN_BOOT);
+}
@@ -0,0 +1,5 @@
+#pragma once
+
+typedef void (*boot_button_cb_t)(void);
+
+void boot_button_init(boot_button_cb_t on_press);