Merge pull request #10 from MitsuhideA/perf_payload_size

perf: Give the possibility to change the buffer size

Author: nseidle

src/SparkFun_Ublox_Arduino_Library.h

@@ -158,8 +158,12 @@ const uint8_t VAL_GROUP_I2C = 0x51;
 
 const uint8_t VAL_ID_I2C_ADDRESS = 0x01;
 
+#ifndef MAX_PAYLOAD_SIZE
+
 #define MAX_PAYLOAD_SIZE 64 //Some commands are larger than 64 bytes but this covers most
 
+#endif
+
 //-=-=-=-=- UBX binary specific variables
 typedef struct
 {