添加智能灯固件代码

firmware/esp-idf/wumei-smart-firmware/examples/system/light_sleep/main/CMakeLists.txt

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+idf_component_register(SRCS "light_sleep_example_main.c"
+                    INCLUDE_DIRS ".")

firmware/esp-idf/wumei-smart-firmware/examples/system/light_sleep/main/component.mk

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+#
+# Main Makefile. This is basically the same as a component makefile.
+#

firmware/esp-idf/wumei-smart-firmware/examples/system/light_sleep/main/light_sleep_example_main.c

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+/* Light sleep example
+
+   This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+   Unless required by applicable law or agreed to in writing, this
+   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+   CONDITIONS OF ANY KIND, either express or implied.
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sys/time.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "esp_sleep.h"
+#include "esp_log.h"
+#include "driver/uart.h"
+
+/* Most development boards have "boot" button attached to GPIO0.
+ * You can also change this to another pin.
+ */
+#define BUTTON_GPIO_NUM_DEFAULT     0
+
+/* "Boot" button on GPIO0 is active low */
+#define BUTTON_WAKEUP_LEVEL_DEFAULT     0
+
+void app_main(void)
+{
+    /* Configure the button GPIO as input, enable wakeup */
+    const int button_gpio_num = BUTTON_GPIO_NUM_DEFAULT;
+    const int wakeup_level = BUTTON_WAKEUP_LEVEL_DEFAULT;
+    gpio_config_t config = {
+            .pin_bit_mask = BIT64(button_gpio_num),
+            .mode = GPIO_MODE_INPUT
+    };
+    ESP_ERROR_CHECK(gpio_config(&config));
+    gpio_wakeup_enable(button_gpio_num,
+            wakeup_level == 0 ? GPIO_INTR_LOW_LEVEL : GPIO_INTR_HIGH_LEVEL);
+
+    while (true) {
+        /* Wake up in 2 seconds, or when button is pressed */
+        esp_sleep_enable_timer_wakeup(2000000);
+        esp_sleep_enable_gpio_wakeup();
+
+        /* Wait until GPIO goes high */
+        if (gpio_get_level(button_gpio_num) == wakeup_level) {
+            printf("Waiting for GPIO%d to go high...\n", button_gpio_num);
+            do {
+                vTaskDelay(pdMS_TO_TICKS(10));
+            } while (gpio_get_level(button_gpio_num) == wakeup_level);
+        }
+
+        printf("Entering light sleep\n");
+        /* To make sure the complete line is printed before entering sleep mode,
+         * need to wait until UART TX FIFO is empty:
+         */
+        uart_wait_tx_idle_polling(CONFIG_ESP_CONSOLE_UART_NUM);
+
+        /* Get timestamp before entering sleep */
+        int64_t t_before_us = esp_timer_get_time();
+
+        /* Enter sleep mode */
+        esp_light_sleep_start();
+        /* Execution continues here after wakeup */
+
+        /* Get timestamp after waking up from sleep */
+        int64_t t_after_us = esp_timer_get_time();
+
+        /* Determine wake up reason */
+        const char* wakeup_reason;
+        switch (esp_sleep_get_wakeup_cause()) {
+            case ESP_SLEEP_WAKEUP_TIMER:
+                wakeup_reason = "timer";
+                break;
+            case ESP_SLEEP_WAKEUP_GPIO:
+                wakeup_reason = "pin";
+                break;
+            default:
+                wakeup_reason = "other";
+                break;
+        }
+
+        printf("Returned from light sleep, reason: %s, t=%lld ms, slept for %lld ms\n",
+                wakeup_reason, t_after_us / 1000, (t_after_us - t_before_us) / 1000);
+    }
+
+}