Ready to implement GPIO logic to manage relays

esp32_device/main/relays.c

@@ -0,0 +1,28 @@
+#include <driver/gpio.h>
+#include "esp_log.h"
+
+#include "relays.h"
+#include "constants.h"
+
+static const char *TAG = "relays";
+
+/**
+ * Device relays GPIO ids
+ */
+static int DEVICE_GPIO_IDS[5] = {2, 4, 12, 14, 15};
+
+void relays_turn_off_all()
+{
+    ESP_LOGI(TAG, "Turning off all relays...");
+
+    for (size_t i = 0; i < DEV_MAX_RELAYS; i++)
+    {
+        relays_set(i, false);
+    }
+}
+
+void relays_set(int number, bool is_on)
+{
+    size_t gpio_id = DEVICE_GPIO_IDS[number];
+    ESP_LOGI(TAG, "Set relay %d (gpio %d) to %s", number, gpio_id, is_on ? "on" : "off");
+}