Merge pull request arduino#313 from tekka007/precisionfix

henrikekblad · henrikekblad · commit 5406a658ee20 · 2015-12-29T14:07:53.000+01:00
Limiting max. precision in dtostrf()
diff --git a/libraries/MySensors/core/MyMessage.cpp b/libraries/MySensors/core/MyMessage.cpp
@@ -100,7 +100,7 @@ char* MyMessage::getString(char *buffer) const {
 		} else if (payloadType == P_ULONG32) {
 			ultoa(ulValue, buffer, 10);
 		} else if (payloadType == P_FLOAT32) {
-			dtostrf(fValue,2,fPrecision,buffer);
+			dtostrf(fValue,2,min(fPrecision, 8),buffer);
 		} else if (payloadType == P_CUSTOM) {
 			return getCustomString(buffer);
 		}

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ char* MyMessage::getString(char *buffer) const {`
`100`	`100`	`} else if (payloadType == P_ULONG32) {`
`101`	`101`	`ultoa(ulValue, buffer, 10);`
`102`	`102`	`} else if (payloadType == P_FLOAT32) {`
`103`		`- dtostrf(fValue,2,fPrecision,buffer);`
	`103`	`+ dtostrf(fValue,2,min(fPrecision, 8),buffer);`
`104`	`104`	`} else if (payloadType == P_CUSTOM) {`
`105`	`105`	`return getCustomString(buffer);`
`106`	`106`	`}`