From 9d92def44dc84a0fd125850c81ec99aecee2b899 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Tue, 07 Oct 2025 01:25:58 +0800
Subject: [PATCH] 楼道声光控灯项目程序
---
Core/Src/main.c | 38 +++++++++++++++++++-------------------
1 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 281d186..dec60e8 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -18,6 +18,8 @@
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
+#include "adc.h"
+#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
@@ -37,7 +39,8 @@
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
-
+#define THRESHOLD_LUX 100
+#define THRESHOLD_NOISY 1000
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
@@ -65,7 +68,7 @@
{
/* USER CODE BEGIN 1 */
-
+ uint32_t lux, noisy;
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
@@ -86,33 +89,30 @@
/* Initialize all configured peripherals */
MX_GPIO_Init();
+ MX_USART1_UART_Init();
+ MX_ADC1_Init();
/* USER CODE BEGIN 2 */
init_relay();
- init_led();
-
- /* Turn on relay after 1 second */
HAL_Delay(1000);
- turn_relay(Relay1, ON);
+ printf("Auto light program start.\r\n");
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
- /* Blink Red Led */
- turn_led(Led_R, ON);
- HAL_Delay(200);
- turn_led(Led_R, OFF);
- HAL_Delay(200);
+ lux = noisy = 0;
+ adc_sample_lux_noisy(&lux, &noisy);
+ if( lux<=THRESHOLD_LUX && noisy>= THRESHOLD_NOISY )
+ {
+ printf("Lux:%lu Noisy:%lu, turn light on\r\n", lux, noisy);
+ turn_relay(Relay1, ON);
+ HAL_Delay(5000);
+ printf("turn light off now\r\n");
+ turn_relay(Relay1, OFF);
+ }
- /* Blink Green Led */
- toggle_led(Led_G);
- HAL_Delay(200);
- toggle_led(Led_G);
- HAL_Delay(200);
-
- /* Blink Blue Led */
- blink_led(Led_B, 200);
+ HAL_Delay(10);
/* USER CODE END WHILE */
--
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