From 3423c96f6bfbd8ffa5691cb85ab4adfcdf394d82 Mon Sep 17 00:00:00 2001
From: "Wolfgang (Wolle) Ewald" <wolfgang.ewald@wolles-elektronikkiste.de>
Date: Sun, 1 May 2022 12:20:48 +0200
Subject: Add files via upload

---
 src/ADS1115_WE.cpp   | 73 ++++++++++++++++++++++++++++++++++++++--------------
 src/ADS1115_WE.h     | 12 ++++++++-
 src/ADS1115_config.h |  5 ++++
 3 files changed, 70 insertions(+), 20 deletions(-)
 create mode 100644 src/ADS1115_config.h

diff --git a/src/ADS1115_WE.cpp b/src/ADS1115_WE.cpp
index 5f1174b..a3e3214 100644
--- a/src/ADS1115_WE.cpp
+++ b/src/ADS1115_WE.cpp
@@ -17,15 +17,20 @@
 #include "ADS1115_WE.h"
 
 ADS1115_WE::ADS1115_WE(int addr){
+#ifndef USE_TINY_WIRE_M_    
     _wire = &Wire;
+#endif
     i2cAddress = addr;
 }
 
 ADS1115_WE::ADS1115_WE(){
+#ifndef USE_TINY_WIRE_M_
     _wire = &Wire;
+#endif
     i2cAddress = 0x48;
 }
 
+#ifndef USE_TINY_WIRE_M_
 ADS1115_WE::ADS1115_WE(TwoWire *w, int addr){
     _wire = w;
     i2cAddress = addr; 
@@ -35,17 +40,29 @@ ADS1115_WE::ADS1115_WE(TwoWire *w){
     _wire = w;
     i2cAddress = 0x48;
 }
+#endif
 
 
 void ADS1115_WE::reset(){
+#ifndef USE_TINY_WIRE_M_  
     _wire->beginTransmission(0);
     _wire->write(0x06);
     _wire->endTransmission();
+#else
+    TinyWireM.beginTransmission(0);
+    TinyWireM.send(0x06);
+    TinyWireM.endTransmission();
+#endif
 }
 
 bool ADS1115_WE::init(){    
+#ifndef USE_TINY_WIRE_M_
     _wire->beginTransmission(i2cAddress);
     uint8_t success = _wire->endTransmission();
+#else
+    TinyWireM.beginTransmission(i2cAddress);
+    uint8_t success = TinyWireM.endTransmission();
+#endif
     if(success){
         return 0;
     }
@@ -322,28 +339,46 @@ int16_t ADS1115_WE::calcLimit(float rawLimit){
 }
 
 uint8_t ADS1115_WE::writeRegister(uint8_t reg, uint16_t val){
-  _wire->beginTransmission(i2cAddress);
-  uint8_t lVal = val & 255;
-  uint8_t hVal = val >> 8;
-  _wire->write(reg);
-  _wire->write(hVal);
-  _wire->write(lVal);
-  return _wire->endTransmission();
+    uint8_t lVal = val & 255;
+    uint8_t hVal = val >> 8;
+#ifndef USE_TINY_WIRE_M_  
+    _wire->beginTransmission(i2cAddress);
+    _wire->write(reg);
+    _wire->write(hVal);
+    _wire->write(lVal);
+    return _wire->endTransmission();
+#else
+    TinyWireM.beginTransmission(i2cAddress);
+    TinyWireM.send(reg);
+    TinyWireM.send(hVal);
+    TinyWireM.send(lVal);
+    return TinyWireM.endTransmission();
+#endif
+  
 }
   
 uint16_t ADS1115_WE::readRegister(uint8_t reg){
-  uint8_t MSByte = 0, LSByte = 0;
-  uint16_t regValue = 0;
-  _wire->beginTransmission(i2cAddress);
-  _wire->write(reg);
-  _wire->endTransmission(false);
-  _wire->requestFrom(i2cAddress,2);
-  if(_wire->available()){
-    MSByte = _wire->read();
-    LSByte = _wire->read();
-  }
-  regValue = (MSByte<<8) + LSByte;
-  return regValue;
+    uint8_t MSByte = 0, LSByte = 0;
+    uint16_t regValue = 0;
+#ifndef USE_TINY_WIRE_M_    
+    _wire->beginTransmission(i2cAddress);
+    _wire->write(reg);
+    _wire->endTransmission(false);
+    _wire->requestFrom(i2cAddress,2);
+    if(_wire->available()){
+        MSByte = _wire->read();
+        LSByte = _wire->read();
+    }
+#else
+    TinyWireM.beginTransmission(i2cAddress);
+    TinyWireM.send(reg);
+    TinyWireM.endTransmission();
+    TinyWireM.requestFrom(i2cAddress,2);
+    MSByte = TinyWireM.receive();
+    LSByte = TinyWireM.receive();
+#endif
+    regValue = (MSByte<<8) + LSByte;
+    return regValue;
 }
     
 
diff --git a/src/ADS1115_WE.h b/src/ADS1115_WE.h
index 9443bd8..19f7aff 100644
--- a/src/ADS1115_WE.h
+++ b/src/ADS1115_WE.h
@@ -24,8 +24,14 @@
 #else
  #include "WProgram.h"
 #endif
+#include "ADS1115_config.h"
 
-#include <Wire.h>
+#ifdef USE_TINY_WIRE_M_
+ #include <TinyWireM.h>
+#endif
+#ifndef USE_TINY_WIRE_M_
+ #include <Wire.h>
+#endif
 
 /* registers */
 #define ADS1115_CONV_REG    0x00 // Conversion Register
@@ -108,8 +114,10 @@ class ADS1115_WE
 public:
     ADS1115_WE(int addr);
     ADS1115_WE(); // uses default I2C Address 0x48
+#ifndef USE_TINY_WIRE_M_    
     ADS1115_WE(TwoWire *w, int addr);
     ADS1115_WE(TwoWire *w);
+#endif
 
     void reset();
     bool init();
@@ -268,7 +276,9 @@ public:
 
 
 private:
+#ifndef USE_TINY_WIRE_M_    
     TwoWire *_wire;
+#endif
     uint16_t voltageRange;
     ADS1115_MEASURE_MODE deviceMeasureMode;
     int i2cAddress;
diff --git a/src/ADS1115_config.h b/src/ADS1115_config.h
new file mode 100644
index 0000000..dabd14b
--- /dev/null
+++ b/src/ADS1115_config.h
@@ -0,0 +1,5 @@
+#ifndef ADS1115_CONFIG_H_
+#define ADS1115_CONFIG_H_
+/* Uncomment the following line to use TinyWireM instead of Wire */
+//#define USE_TINY_WIRE_M_
+#endif
\ No newline at end of file
-- 
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