disable BLE

esp32_readout/env.h

@@ -40,7 +40,7 @@
 
   /********************* BLE ********************************/
 
-  #define BLE true
+  #define BLE false
   #if BLE
     #define SERVICE_UUID "9f0dfdb2-e978-494c-8f15-68dbe8d28672"
     #define MILLIS_UUID "abb92561-a809-453c-8c7c-71d3fff5b86e"

esp32_readout/esp32_readout.ino

@@ -54,6 +54,24 @@ void IRAM_ATTR startSleep() {
   esp_deep_sleep_start();
 }
 
+void reset() {
+  while (! nau.calibrate(NAU7802_CALMOD_INTERNAL)) {
+    Serial.println("Failed to calibrate internal offset, retrying!");
+    delay(1000);
+  }
+
+  while (! nau.calibrate(NAU7802_CALMOD_OFFSET)) {
+    Serial.println("Failed to calibrate system offset, retrying!");
+    delay(1000);
+  }
+
+  // Take 10 readings to flush out readings
+  for (uint8_t i=0; i<10; i++) {
+    while (! nau.available()) delay(1);
+    nau.read();
+  }
+}
+
 void setup() {
   Serial.begin(115200);
   display.setup();
@@ -79,15 +97,7 @@ void setup() {
     nau.read();
   }
 
-  while (! nau.calibrate(NAU7802_CALMOD_INTERNAL)) {
+  reset();
-    Serial.println("Failed to calibrate internal offset, retrying!");
-    delay(1000);
-  }
-
-  while (! nau.calibrate(NAU7802_CALMOD_OFFSET)) {
-    Serial.println("Failed to calibrate system offset, retrying!");
-    delay(1000);
-  }
 
   #if BLE
     // initialize the Bluetooth® Low Energy hardware
@@ -123,6 +133,16 @@ void setup() {
 }
 
 void loop() {
+  if (Serial.available() != 0) {
+    String command = Serial.readString();  //read until timeout
+    command.trim();
+    Serial.println(command);
+    if (command == "reset") {
+      reset();
+      Serial.println("calibrated");
+    }
+  }     //wait for data available
+
   while (!nau.available()) {
     delay(1);
   }