diff --git a/include/mgos_prometheus_sensors.h b/include/mgos_prometheus_sensors.h
index 03f4445..4f40a94 100644
--- a/include/mgos_prometheus_sensors.h
+++ b/include/mgos_prometheus_sensors.h
@@ -6,5 +6,4 @@
 
 float mgos_prometheus_sensors_dht_get_temp(uint8_t idx);
 float mgos_prometheus_sensors_dht_get_humidity(uint8_t idx);
-
-#endif // __MGOS_PROMETHEUS_SENSORS_H
+#endif                                  // __MGOS_PROMETHEUS_SENSORS_H
diff --git a/src/bme280_drv.c b/src/bme280_drv.c
index 1ce77b0..1d5c33d 100644
--- a/src/bme280_drv.c
+++ b/src/bme280_drv.c
@@ -49,10 +49,10 @@ static void bme280_prometheus_metrics(struct mg_connection *nc, void *user_data)
       "{sensor=\"0\",type=\"BM%s280\"} %f", bme280?"E":"P", stats.read_success_usecs);
   }
 
-
   (void) user_data;
 }
 
+
 static void bme280_timer_cb(void *user_data) {
   struct mgos_bme280_stats stats_before, stats_after;
   uint32_t usecs=0;
@@ -65,23 +65,27 @@ static void bme280_timer_cb(void *user_data) {
 
   if (mgos_bme280_is_bme280(s_bme280)) {
     LOG(LL_INFO, ("BME280 sensor=0 humidity=%.2f%% temperature=%.2fC pressure=%.1fHPa usecs=%u", s_bme280_data.humid, s_bme280_data.temp, s_bme280_data.press, usecs));
-  } else {
+  }
+  else {
     LOG(LL_INFO, ("BMP280 sensor=0 temperature=%.2fC pressure=%.1fHPa usecs=%u", s_bme280_data.temp, s_bme280_data.press, usecs));
   }
 
   (void) user_data;
 }
 
+
 void bme280_drv_init() {
   s_bme280 = mgos_bme280_i2c_create(mgos_sys_config_get_sensors_bme280_i2caddr());
   if (s_bme280) {
     mgos_set_timer(mgos_sys_config_get_sensors_bme280_period()*1000, true, bme280_timer_cb, NULL);
     mgos_prometheus_metrics_add_handler(bme280_prometheus_metrics, NULL);
-  } else {
+  }
+  else {
     LOG(LL_ERROR, ("Could not create BME280 sensor on I2C address 0x%02x", mgos_sys_config_get_sensors_bme280_i2caddr()));
   }
 }
 
+
 #else
 void bme280_drv_init() {
   LOG(LL_ERROR, ("BME280 disabled, include library in mos.yml to enable"));
diff --git a/src/dht_drv.c b/src/dht_drv.c
index 5b3dff2..a2e0c8d 100644
--- a/src/dht_drv.c
+++ b/src/dht_drv.c
@@ -8,7 +8,8 @@
 
 #define MAX_DHT 8
 
-struct dht_sensor {
+struct dht_sensor
+{
   struct mgos_dht *dht;
   float temp;
   float humidity;
@@ -54,6 +55,7 @@ static void dht_prometheus_metrics(struct mg_connection *nc, void *user_data) {
   (void) user_data;
 }
 
+
 static void dht_timer_cb(void *user_data) {
   struct dht_sensor *dht_sensor = (struct dht_sensor *)user_data;
   struct mgos_dht_stats stats_before, stats_after;
@@ -70,6 +72,7 @@ static void dht_timer_cb(void *user_data) {
   LOG(LL_INFO, ("DHT sensor=%u gpio=%u temperature=%.2fC humidity=%.1f%% usecs=%u", dht_sensor->idx, dht_sensor->gpio, dht_sensor->temp, dht_sensor->humidity, usecs));
 }
 
+
 static bool dht_sensor_create(int pin, enum dht_type type) {
   struct dht_sensor *dht_sensor = calloc(1, sizeof(struct dht_sensor));
   if (s_num_dht == MAX_DHT) {
@@ -92,6 +95,7 @@ static bool dht_sensor_create(int pin, enum dht_type type) {
   return true;
 }
 
+
 float mgos_prometheus_sensors_dht_get_temp(uint8_t idx) {
   if (idx>=s_num_dht)
     return NAN;
@@ -100,6 +104,7 @@ float mgos_prometheus_sensors_dht_get_temp(uint8_t idx) {
   return s_dht_sensor[idx]->temp;
 }
 
+
 float mgos_prometheus_sensors_dht_get_humidity(uint8_t idx) {
   if (idx>=s_num_dht)
     return NAN;
@@ -108,6 +113,7 @@ float mgos_prometheus_sensors_dht_get_humidity(uint8_t idx) {
   return s_dht_sensor[idx]->humidity;
 }
 
+
 void dht_drv_init() {
   char *tok;
 
@@ -125,6 +131,7 @@ void dht_drv_init() {
     mgos_prometheus_metrics_add_handler(dht_prometheus_metrics, NULL);
 }
 
+
 #else
 void dht_drv_init() {
   LOG(LL_ERROR, ("DHT disabled, include library in mos.yml to enable"));
diff --git a/src/htu21df_drv.c b/src/htu21df_drv.c
index 868dc80..22cb220 100644
--- a/src/htu21df_drv.c
+++ b/src/htu21df_drv.c
@@ -40,6 +40,7 @@ static void htu21df_prometheus_metrics(struct mg_connection *nc, void *user_data
   (void) user_data;
 }
 
+
 static void htu21df_timer_cb(void *user_data) {
   float temperature, humidity;
   struct mgos_htu21df_stats stats_before, stats_after;
@@ -56,10 +57,11 @@ static void htu21df_timer_cb(void *user_data) {
   (void) user_data;
 }
 
+
 void htu21df_drv_init() {
-#ifdef MGOS_HAVE_SI7021_I2C
+  #ifdef MGOS_HAVE_SI7021_I2C
   LOG(LL_WARN, ("HTU21DF and SI7021 are both on I2C address 0x40 -- do not enable both!"));
-#endif
+  #endif
   s_htu21df = mgos_htu21df_create(mgos_i2c_get_global(), mgos_sys_config_get_sensors_htu21df_i2caddr());
   if (s_htu21df) {
     mgos_set_timer(mgos_sys_config_get_sensors_htu21df_period()*1000, true, htu21df_timer_cb, NULL);
@@ -67,6 +69,7 @@ void htu21df_drv_init() {
   }
 }
 
+
 #else
 void htu21df_drv_init() {
   LOG(LL_ERROR, ("HTU21DF disabled, include library in mos.yml to enable"));
diff --git a/src/mcp9808_drv.c b/src/mcp9808_drv.c
index 8dedd2f..045e562 100644
--- a/src/mcp9808_drv.c
+++ b/src/mcp9808_drv.c
@@ -37,6 +37,7 @@ static void mcp9808_prometheus_metrics(struct mg_connection *nc, void *user_data
   (void) user_data;
 }
 
+
 static void mcp9808_timer_cb(void *user_data) {
   float temperature;
   struct mgos_mcp9808_stats stats_before, stats_after;
@@ -52,6 +53,7 @@ static void mcp9808_timer_cb(void *user_data) {
   (void) user_data;
 }
 
+
 void mcp9808_drv_init() {
   s_mcp9808 = mgos_mcp9808_create(mgos_i2c_get_global(), mgos_sys_config_get_sensors_mcp9808_i2caddr());
   if (s_mcp9808) {
@@ -60,6 +62,7 @@ void mcp9808_drv_init() {
   }
 }
 
+
 #else
 void mcp9808_drv_init() {
   LOG(LL_ERROR, ("MCP9808 disabled, include library in mos.yml to enable"));
diff --git a/src/mgos_prometheus_sensors.c b/src/mgos_prometheus_sensors.c
index 21d6aff..b3e878e 100644
--- a/src/mgos_prometheus_sensors.c
+++ b/src/mgos_prometheus_sensors.c
@@ -15,6 +15,7 @@ static void pushgateway_timer(void *user_data) {
   (void) user_data;
 }
 
+
 bool mgos_prometheus_sensors_init(void) {
   dht_drv_init();
   veml6075_drv_init();
diff --git a/src/sht31_drv.c b/src/sht31_drv.c
index 42a8f84..323fcfa 100644
--- a/src/sht31_drv.c
+++ b/src/sht31_drv.c
@@ -40,6 +40,7 @@ static void sht31_prometheus_metrics(struct mg_connection *nc, void *user_data)
   (void) user_data;
 }
 
+
 static void sht31_timer_cb(void *user_data) {
   float temperature, humidity;
   struct mgos_sht31_stats stats_before, stats_after;
@@ -56,9 +57,10 @@ static void sht31_timer_cb(void *user_data) {
   (void) user_data;
 }
 
+
 void sht31_drv_init() {
-#ifdef MGOS_HAVE_SI7021_I2C
-#endif
+  #ifdef MGOS_HAVE_SI7021_I2C
+  #endif
   s_sht31 = mgos_sht31_create(mgos_i2c_get_global(), mgos_sys_config_get_sensors_sht31_i2caddr());
   if (s_sht31) {
     mgos_set_timer(mgos_sys_config_get_sensors_sht31_period()*1000, true, sht31_timer_cb, NULL);
@@ -66,6 +68,7 @@ void sht31_drv_init() {
   }
 }
 
+
 #else
 void sht31_drv_init() {
   LOG(LL_ERROR, ("SHT31 disabled, include library in mos.yml to enable"));
diff --git a/src/si7021_drv.c b/src/si7021_drv.c
index 4fc0bc4..cec68da 100644
--- a/src/si7021_drv.c
+++ b/src/si7021_drv.c
@@ -40,6 +40,7 @@ static void si7021_prometheus_metrics(struct mg_connection *nc, void *user_data)
   (void) user_data;
 }
 
+
 static void si7021_timer_cb(void *user_data) {
   float temperature, humidity;
   struct mgos_si7021_stats stats_before, stats_after;
@@ -56,10 +57,11 @@ static void si7021_timer_cb(void *user_data) {
   (void) user_data;
 }
 
+
 void si7021_drv_init() {
-#ifdef MGOS_HAVE_HTU21DF_I2C
+  #ifdef MGOS_HAVE_HTU21DF_I2C
   LOG(LL_WARN, ("HTU21DF and SI7021 are both on I2C address 0x40 -- do not enable both!"));
-#endif
+  #endif
   s_si7021 = mgos_si7021_create(mgos_i2c_get_global(), mgos_sys_config_get_sensors_si7021_i2caddr());
   if (s_si7021) {
     mgos_set_timer(mgos_sys_config_get_sensors_si7021_period()*1000, true, si7021_timer_cb, NULL);
@@ -67,6 +69,7 @@ void si7021_drv_init() {
   }
 }
 
+
 #else
 void si7021_drv_init() {
   LOG(LL_ERROR, ("SI7021 disabled, include library in mos.yml to enable"));
diff --git a/src/veml6075_drv.c b/src/veml6075_drv.c
index ad94326..415497d 100644
--- a/src/veml6075_drv.c
+++ b/src/veml6075_drv.c
@@ -43,6 +43,7 @@ static void veml6075_prometheus_metrics(struct mg_connection *nc, void *user_dat
   (void) user_data;
 }
 
+
 static void veml6075_timer_cb(void *user_data) {
   double start;
   uint32_t usecs=0;
@@ -58,6 +59,7 @@ static void veml6075_timer_cb(void *user_data) {
   (void) user_data;
 }
 
+
 void veml6075_drv_init() {
   s_veml6075 = mgos_veml6075_create(mgos_i2c_get_global(), mgos_sys_config_get_sensors_veml6075_i2caddr());
   if (s_veml6075) {
@@ -66,6 +68,7 @@ void veml6075_drv_init() {
   }
 }
 
+
 #else
 void veml6075_drv_init() {
   LOG(LL_ERROR, ("VEML6075 disabled, include library in mos.yml to enable"));