1.2.6

Author: olkal

examples/Calibration/Calibration.ino

@@ -29,15 +29,15 @@ const int HX711_sck = 5; //mcu > HX711 sck pin
 HX711_ADC LoadCell(HX711_dout, HX711_sck);
 
 const int calVal_eepromAdress = 0;
-long t;
+unsigned long t = 0;
 
 void setup() {
   Serial.begin(57600); delay(10);
   Serial.println();
   Serial.println("Starting...");
 
   LoadCell.begin();
-  long stabilizingtime = 2000; // preciscion right after power-up can be improved by adding a few seconds of stabilizing time
+  unsigned long stabilizingtime = 2000; // preciscion right after power-up can be improved by adding a few seconds of stabilizing time
   boolean _tare = false; //set this to false if you don't want tare to be performed in the next step
   LoadCell.start(stabilizingtime, _tare);
   if (LoadCell.getTareTimeoutFlag() || LoadCell.getSignalTimeoutFlag()) {
@@ -72,7 +72,6 @@ void loop() {
 
   // receive command from serial terminal
   if (Serial.available() > 0) {
-    float i;
     char inByte = Serial.read();
     if (inByte == 't') LoadCell.tareNoDelay(); //tare
     else if (inByte == 'r') calibrate(); //calibrate
@@ -98,7 +97,6 @@ void calibrate() {
     LoadCell.update();
     if (Serial.available() > 0) {
       if (Serial.available() > 0) {
-        float i;
         char inByte = Serial.read();
         if (inByte == 't') LoadCell.tareNoDelay();
       }

examples/Read_1x_load_cell/Read_1x_load_cell.ino

@@ -29,7 +29,7 @@ const int HX711_sck = 5; //mcu > HX711 sck pin
 HX711_ADC LoadCell(HX711_dout, HX711_sck);
 
 const int calVal_eepromAdress = 0;
-long t;
+unsigned long t = 0;
 
 void setup() {
   Serial.begin(57600); delay(10);
@@ -44,7 +44,7 @@ void setup() {
 #endif
   //EEPROM.get(calVal_eepromAdress, calibrationValue); // uncomment this if you want to fetch the calibration value from eeprom
 
-  long stabilizingtime = 2000; // preciscion right after power-up can be improved by adding a few seconds of stabilizing time
+  unsigned long stabilizingtime = 2000; // preciscion right after power-up can be improved by adding a few seconds of stabilizing time
   boolean _tare = true; //set this to false if you don't want tare to be performed in the next step
   LoadCell.start(stabilizingtime, _tare);
   if (LoadCell.getTareTimeoutFlag()) {
@@ -77,7 +77,6 @@ void loop() {
 
   // receive command from serial terminal, send 't' to initiate tare operation:
   if (Serial.available() > 0) {
-    float i;
     char inByte = Serial.read();
     if (inByte == 't') LoadCell.tareNoDelay();
   }

examples/Read_1x_load_cell_interrupt_driven/Read_1x_load_cell_interrupt_driven.ino

@@ -28,7 +28,7 @@ const int HX711_sck = 5; //mcu > HX711 sck pin
 HX711_ADC LoadCell(HX711_dout, HX711_sck);
 
 const int calVal_eepromAdress = 0;
-long t;
+unsigned long t = 0;
 volatile boolean newDataReady;
 
 void setup() {
@@ -44,7 +44,7 @@ void setup() {
   //EEPROM.get(calVal_eepromAdress, calibrationValue); // uncomment this if you want to fetch the value from eeprom
 
   LoadCell.begin();
-  long stabilizingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilizing time
+  unsigned long stabilizingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilizing time
   boolean _tare = true; //set this to false if you don't want tare to be performed in the next step
   LoadCell.start(stabilizingtime, _tare);
   if (LoadCell.getTareTimeoutFlag()) {
@@ -84,7 +84,6 @@ void loop() {
 
   // receive command from serial terminal, send 't' to initiate tare operation:
   if (Serial.available() > 0) {
-    float i;
     char inByte = Serial.read();
     if (inByte == 't') LoadCell.tareNoDelay();
   }

examples/Read_2x_load_cell/Read_2x_load_cell.ino

@@ -23,7 +23,7 @@ HX711_ADC LoadCell_2(HX711_dout_2, HX711_sck_2); //HX711 2
 
 const int calVal_eepromAdress_1 = 0; // eeprom adress for calibration value load cell 1 (4 bytes)
 const int calVal_eepromAdress_2 = 4; // eeprom adress for calibration value load cell 2 (4 bytes)
-long t;
+unsigned long t = 0;
 
 void setup() {
   Serial.begin(57600); delay(10);
@@ -43,7 +43,7 @@ void setup() {
 
   LoadCell_1.begin();
   LoadCell_2.begin();
-  long stabilizingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilizing time
+  unsigned long stabilizingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilizing time
   boolean _tare = true; //set this to false if you don't want tare to be performed in the next step
   byte loadcell_1_rdy = 0;
   byte loadcell_2_rdy = 0;
@@ -86,7 +86,6 @@ void loop() {
 
   // receive command from serial terminal, send 't' to initiate tare operation:
   if (Serial.available() > 0) {
-    float i;
     char inByte = Serial.read();
     if (inByte == 't') {
       LoadCell_1.tareNoDelay();

examples/Testing/Testing.ino

@@ -29,7 +29,7 @@ const int HX711_sck = 7; //mcu > HX711 sck pin
 HX711_ADC LoadCell(HX711_dout, HX711_sck);
 
 const int calVal_calVal_eepromAdress = 0;
-long t;
+unsigned long t = 0;
 
 void setup() {
   Serial.begin(57600); delay(10);
@@ -44,7 +44,7 @@ void setup() {
   //EEPROM.get(calVal_eepromAdress, calibrationValue); // uncomment this if you want to fetch this value from eeprom
 
   LoadCell.begin();
-  long stabilizingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilizing time
+  unsigned long stabilizingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilizing time
   boolean _tare = true; //set this to false if you don't want tare to be performed in the next step
   LoadCell.start(stabilizingtime, _tare);
   if (LoadCell.getTareTimeoutFlag()) {
@@ -92,7 +92,6 @@ void loop() {
 
   // receive command from serial terminal, send 't' to initiate tare operation:
   if (Serial.available() > 0) {
-    float i;
     char inByte = Serial.read();
     if (inByte == 't') LoadCell.tareNoDelay();
   }

library.properties

@@ -1,5 +1,5 @@
 name=HX711_ADC
-version=1.2.5
+version=1.2.6
 author=Olav Kallhovd
 maintainer=Olav Kallhovd
 sentence=Library for the HX711 24-bit ADC for weight scales.

src/HX711_ADC.cpp

@@ -44,7 +44,7 @@ void HX711_ADC::begin(uint8_t gain)
 /*  start(t): 
 *	will do conversions continuously for 't' +400 milliseconds (400ms is min. settling time at 10SPS). 
 *   Running this for 1-5s in setup() - before tare() seems to improve the tare accuracy */
-void HX711_ADC::start(unsigned int t)
+void HX711_ADC::start(unsigned long t)
 {
 	t += 400;
 	lastDoutLowTime = millis();
@@ -60,7 +60,7 @@ void HX711_ADC::start(unsigned int t)
 /*  start(t, dotare) with selectable tare:
 *	will do conversions continuously for 't' +400 milliseconds (400ms is min. settling time at 10SPS). 
 *   Running this for 1-5s in setup() - before tare() seems to improve the tare accuracy. */
-void HX711_ADC::start(unsigned int t, bool dotare)
+void HX711_ADC::start(unsigned long t, bool dotare)
 {
 	t += 400;
 	lastDoutLowTime = millis();
@@ -79,7 +79,7 @@ void HX711_ADC::start(unsigned int t, bool dotare)
 /*  startMultiple(t): use this if you have more than one load cell and you want to do tare and stabilization simultaneously.
 *	Will do conversions continuously for 't' +400 milliseconds (400ms is min. settling time at 10SPS). 
 *   Running this for 1-5s in setup() - before tare() seems to improve the tare accuracy */
-int HX711_ADC::startMultiple(unsigned int t)
+int HX711_ADC::startMultiple(unsigned long t)
 {
 	tareTimeoutFlag = 0;
 	lastDoutLowTime = millis();
@@ -128,7 +128,7 @@ int HX711_ADC::startMultiple(unsigned int t)
 *	use this if you have more than one load cell and you want to (do tare and) stabilization simultaneously.
 *	Will do conversions continuously for 't' +400 milliseconds (400ms is min. settling time at 10SPS). 
 *   Running this for 1-5s in setup() - before tare() seems to improve the tare accuracy */
-int HX711_ADC::startMultiple(unsigned int t, bool dotare)
+int HX711_ADC::startMultiple(unsigned long t, bool dotare)
 {
 	tareTimeoutFlag = 0;
 	lastDoutLowTime = millis();
@@ -171,6 +171,7 @@ int HX711_ADC::startMultiple(unsigned int t, bool dotare)
 					}
 				}
 			}
+			else return 1;
 		}
 	}
 	return startStatus;
@@ -422,7 +423,6 @@ long HX711_ADC::getSettlingTime()
 void HX711_ADC::setSamplesInUse(int samples)
 {
 	int old_value = samplesInUse;
-	int old_divbit = divBit;
 
 	if(samples <= SAMPLES)
 	{

src/HX711_ADC.h

@@ -54,10 +54,10 @@ class HX711_ADC
 		void setGain(uint8_t gain = 128); 			//value must be 32, 64 or 128*
 		void begin();								//set pinMode, HX711 gain and power up the HX711
 		void begin(uint8_t gain);					//set pinMode, HX711 selected gain and power up the HX711
-		void start(unsigned int t); 					//start HX711 and do tare 
-		void start(unsigned int t, bool dotare);		//start HX711, do tare if selected
-		int startMultiple(unsigned int t); 			//start and do tare, multiple HX711 simultaniously
-		int startMultiple(unsigned int t, bool dotare);	//start and do tare if selected, multiple HX711 simultaniously
+		void start(unsigned long t); 					//start HX711 and do tare 
+		void start(unsigned long t, bool dotare);		//start HX711, do tare if selected
+		int startMultiple(unsigned long t); 			//start and do tare, multiple HX711 simultaniously
+		int startMultiple(unsigned long t, bool dotare);	//start and do tare if selected, multiple HX711 simultaniously
 		void tare(); 								//zero the scale, wait for tare to finnish (blocking)
 		void tareNoDelay(); 						//zero the scale, initiate the tare operation to run in the background (non-blocking)
 		bool getTareStatus();						//returns 'true' if tareNoDelay() operation is complete
@@ -102,8 +102,8 @@ class HX711_ADC
 		const uint8_t divBitCompiled = DIVB;
 		bool doTare;
 		bool startStatus;
-		long startMultipleTimeStamp;
-		long startMultipleWaitTime;
+		unsigned long startMultipleTimeStamp;
+		unsigned long startMultipleWaitTime;
 		uint8_t convRslt;
 		bool tareStatus;
 		unsigned int tareTimeOut = (SAMPLES + IGN_HIGH_SAMPLE + IGN_HIGH_SAMPLE) * 150; // tare timeout time in ms, no of samples * 150ms (10SPS + 50% margin)