protocol: support \r\n from serial output

protocol/tbm.go

@@ -75,7 +75,9 @@ func deserialise(in io.Reader, init []byte) (*Result, []byte, error) {
 		for i := 0; i < n2; i++ {
 			// '\r' is really '\n'
 			if data[i] == '\r' {
-				data[i] = '\n'
+				data = append(data[:i], data[i+1:]...)
+				n2--
+				continue
 			}
 
 			if data[i] == 0x4 {
@@ -83,15 +85,13 @@ func deserialise(in io.Reader, init []byte) (*Result, []byte, error) {
 					want_output = false
 					output = data[:i]
 					data = data[i+1:]
-					/*
 						// The TBM gives us our own commands back
 						for j := 0; j < len(output); j++ {
-							if output[j] == '\r' {
+							if output[j] == '\n' {
 								output = output[j+1:]
 								break
 							}
 						}
-					*/
 					break
 				} else {
 					errorcode = data[:i]