outputs values as formatted strings

Author: vanvuongngo

libraries/MSA300/examples/msa_basic/msa_basic.ino

@@ -1,27 +1,39 @@
 #include <MSA300.h>
 #include <Wire.h>
 
+// This is the length of the string that will be created
+// included minus and decimal point
+const signed char formattedStringLength = 11;
+
+//  The number of digits after the deimal point to print
+const unsigned char numVarsAfterDecimal = 6;
+
 acc_t data;
 MSA300 msa;
 
-void setup() {
-  // put your setup code here, to run once:
+static char outstr[formattedStringLength];
+
+char * formatValue(float value)
+{
+  dtostrf(value, formattedStringLength, numVarsAfterDecimal, outstr);
+  return outstr;
+}
+
+void setup()
+{
   Serial.begin(9600);
   Wire.begin();
   msa.begin();
-
-  
-  
 }
 
-void loop() {
-  // put your main code here, to run repeatedly:
+void loop()
+{
   data = msa.getAcceleration();
-  Serial.print("Xa:");
-  Serial.print(data.x);
-  Serial.print("Ya:");
-  Serial.print(data.y);
-  Serial.print("Za:");
-  Serial.println(data.z);
+
+  Serial.printf("Xa:%s ", formatValue(data.x));
+  Serial.printf("Ya:%s ", formatValue(data.y));
+  Serial.printf("Za:%s", formatValue(data.z));
+  Serial.println();
+
   delay(100);
 }