add dht dependency

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")

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

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);
+}