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 | 21 +++++++++++++--------
1 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/Core/Src/main.c b/Core/Src/main.c
index e049e2f..dec60e8 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -39,7 +39,8 @@
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
-
+#define THRESHOLD_LUX 100
+#define THRESHOLD_NOISY 1000
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
@@ -91,23 +92,27 @@
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)
{
+ lux = noisy = 0;
adc_sample_lux_noisy(&lux, &noisy);
- printf("Lux:%lu Noisy:%lu\r\n", 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);
+ }
- HAL_Delay(5000);
+ HAL_Delay(10);
/* USER CODE END WHILE */
--
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