modified: firmware/main/src/leds.c

Include internal LED in sequence
modified:   firmware/main/src/sht31.c
  Swap pins to new design, send heater-off command on init, change to i2c address 0x44 from 0x45 acording to new design
modified:   firmware/sdkconfig
  Activate RTOS control over sleep mode

firmware/main/src/sht31.c

@@ -6,10 +6,11 @@
 #include "functions.h"
 #include "sht31.h"
 
-#define SDA_PIN GPIO_NUM_2
-#define CLK_PIN GPIO_NUM_14
-#define SENSOR_ADDR 0x45 //default address is 0x44 (pin 2 logic low). We chose 0x45 with logic high in v0.9 and 0x44 with newer versions where second sensor is removed.
+#define SDA_PIN GPIO_NUM_14
+#define CLK_PIN GPIO_NUM_13
+#define SENSOR_ADDR 0x44 //default address is 0x44 (pin 2 logic low). We chose 0x45 with logic high in v0.9 and 0x44 with newer versions where second sensor is removed.
 #define SHT31_MEASURE_CMD_HIGHREP 0x2400
+#define SHT31_HEATER_OFF_CMD 0x3066
 
 static const char * TAG = "sht31.c";
 
@@ -18,8 +19,8 @@ static const char * TAG = "sht31.c";
 
 static const i2c_config_t config = {
     .mode             = I2C_MODE_MASTER,
-    .sda_io_num       = GPIO_NUM_2,
-    .scl_io_num       = GPIO_NUM_14,
+    .sda_io_num       = SDA_PIN,
+    .scl_io_num       = CLK_PIN,
     .sda_pullup_en    = GPIO_PULLUP_DISABLE,
     .scl_pullup_en    = GPIO_PULLUP_DISABLE,
     .clk_stretch_tick = 5
@@ -42,7 +43,7 @@ void sht31_sensor_test_task(void *pvParameters)
         } else {
             ESP_LOGE(TAG, "Failed to read from SHT31 sensor");
         }
-        vTaskDelay(2000 / portTICK_RATE_MS);
+        vTaskDelay(30000 / portTICK_RATE_MS);
     }
 }
 
@@ -54,6 +55,23 @@ esp_err_t sht31_init(void) {
         printf("Sensor initialization failed!\n");
         return ESP_FAIL;
     }
+
+    // Send the heater off command
+    i2c_cmd_handle_t cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (SENSOR_ADDR << 1) | I2C_MASTER_WRITE, true);
+    i2c_master_write_byte(cmd, SHT31_HEATER_OFF_CMD >> 8, true);
+    i2c_master_write_byte(cmd, SHT31_HEATER_OFF_CMD & 0xFF, true);
+    i2c_master_stop(cmd);
+    esp_err_t ret = i2c_master_cmd_begin(I2C_NUM_0, cmd, 1000 / portTICK_RATE_MS);
+    i2c_cmd_link_delete(cmd);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to send command to SHT31");
+        return ret;
+    }
+
+
+
     printf("Sensor initialized.\n");
     return ESP_OK;
 }