Can you add unsigned to the this line, it will remove warnings about comparing an unsigned long with a signed long at line 1604 & 1655
unsigned long timeoutTime = millis() + TIMEOUT_MS_SERVERRESPONSE;
megaatmega2560\ThingSpeak\src\ThingSpeak.h:1604:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(millis() > timeoutTime){
megaatmega2560\ThingSpeak\src\ThingSpeak.h:1655:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(millis() > timeoutTime){
Can you add unsigned to the this line, it will remove warnings about comparing an unsigned long with a signed long at line 1604 & 1655
unsigned long timeoutTime = millis() + TIMEOUT_MS_SERVERRESPONSE;
megaatmega2560\ThingSpeak\src\ThingSpeak.h:1604:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(millis() > timeoutTime){ megaatmega2560\ThingSpeak\src\ThingSpeak.h:1655:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(millis() > timeoutTime){
https://github.com/mathworks/thingspeak-arduino/blob/9aceb141281cf0da82a7a187f4528d9bea81f016/src/ThingSpeak.h#L1600