From bfbc45674f67fda5af1ab42080fe51e287df018b Mon Sep 17 00:00:00 2001
From: Neil McKechnie <neilmck999@gmail.com>
Date: Sun, 22 Jan 2023 12:38:24 +0000
Subject: [PATCH] Update IO_AnalogueInputs.h

Add I2C initialisation calls (previously missing).
---
 IO_AnalogueInputs.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/IO_AnalogueInputs.h b/IO_AnalogueInputs.h
index 1af351d..5f9d0e0 100644
--- a/IO_AnalogueInputs.h
+++ b/IO_AnalogueInputs.h
@@ -73,6 +73,11 @@ private:
     addDevice(this);
   }
   void _begin() {
+    // Initialise I2C
+    I2CManager.begin();
+    // ADS111x support high-speed I2C (4.3MHz) but that requires special
+    // processing.  So stick to fast mode (400kHz maximum).
+    I2CManager.setClock(400000);
     // Initialise ADS device
     if (I2CManager.exists(_i2cAddress)) {
       _nextState = STATE_STARTSCAN;