From 615637e24c0972cb372ddf559da5b4f62a6fa361 Mon Sep 17 00:00:00 2001
From: Sergio Semedi <sergio.semedi@gmail.com>
Date: Tue, 2 Dec 2025 20:07:04 +0100
Subject: [PATCH] add dht dependency

---
 main/CMakeLists.txt | 2 +-
 main/include/temp.h | 4 ++++
 main/src/temp.c     | 9 +++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 7b976bf..4c2deee 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -1,5 +1,5 @@
 file(GLOB_RECURSE srcs "main.c" "src/*.c")
 
 idf_component_register(SRCS "${srcs}"
-                       PRIV_REQUIRES bt nvs_flash esp_driver_gpio
+                       PRIV_REQUIRES bt nvs_flash esp_driver_gpio dht
                        INCLUDE_DIRS "./include")
diff --git a/main/include/temp.h b/main/include/temp.h
index cc609da..7215218 100644
--- a/main/include/temp.h
+++ b/main/include/temp.h
@@ -4,12 +4,16 @@
 /* Includes */
 /* ESP APIs */
 #include "esp_random.h"
+#include "dht.h"
 
 /* Defines */
 #define HEART_RATE_TASK_PERIOD (1000 / portTICK_PERIOD_MS)
+#define DHT_GPIO_PIN 23
+#define DHT_SENSOR_TIPO DHT_TYPE_DHT11
 
 /* Public function declarations */
 uint8_t get_temp(void);
 void update_temp(void);
+void init_sensor(void);
 
 #endif // HEART_RATE_H
diff --git a/main/src/temp.c b/main/src/temp.c
index f9219c5..18238d2 100644
--- a/main/src/temp.c
+++ b/main/src/temp.c
@@ -1,6 +1,7 @@
 /* Includes */
 #include "common.h"
 #include "temp.h"
+#include "driver/gpio.h"
 
 /* Private variables */
 static uint8_t heart_rate;
@@ -9,3 +10,11 @@ static uint8_t heart_rate;
 uint8_t get_temp(void) { return heart_rate; }
 
 void update_temp(void) { heart_rate = 60 + (uint8_t)(esp_random() % 21); }
+
+void init_sensor(void) {
+    // DHT PULL up resistor config
+    gpio_set_direction(DHT_GPIO_PIN, GPIO_MODE_INPUT);
+    gpio_pullup_en(DHT_GPIO_PIN);
+
+    printf("DHT sensor config init, pull up resistor and pin: %d\n", DHT_GPIO_PIN);
+}