From c2749f0e9e7ad0ec83232138a6bc76be0c94cac3 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Mon, 22 Aug 2022 07:04:01 -0400
Subject: [PATCH] print nothing if reading ina219 sensors with nothing there

---
 cubesatsim/cubesatsim.ino | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index f9caead2..7cb2ea16 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -2054,6 +2054,9 @@ void test_radio()
 
 void read_ina219()
 {
+  if (voltage_read && !i2c_bus1 && !i2c_bus3)
+    Serial.println("Nothing to read");
+	
 #ifdef PICO_0V1	
   digitalWrite(PI_3V3_PIN, HIGH);
 #endif