output serial info only in debug build

Author: nerdyscout

lib/MCP3x6x/MCP3x6x.cpp

@@ -297,7 +297,9 @@ uint8_t MCP3x6x::_getChannel(uint32_t raw) {
 int32_t MCP3x6x::analogRead(mux_t ch) {
   // MuxMode
   if (settings.scan.channel.raw == 0) {
+#ifdef MCP3x6x_DEBUG
     Serial.println("mux");
+#endif
     settings.mux = ch;
     _status      = write(settings.mux);
     _status      = conversion();
@@ -307,7 +309,9 @@ int32_t MCP3x6x::analogRead(mux_t ch) {
     return result.raw[(uint8_t)adcdata.channelid] = adcdata.value;
   }
 
+#ifdef MCP3x6x_DEBUG
   Serial.println("scan");
+#endif
   // ScanMode
   for (size_t i = 0; i < sizeof(_channelID); i++) {
     if (_channelID[i] == ch.raw) {