update signal and clear commands value.
#define IANA_6TOP_CMD_RELOCATE 0x03 // CMD_RELOCATE | relocate one or more cells
#define IANA_6TOP_CMD_COUNT 0x04 // CMD_COUNT | count scheduled cells
#define IANA_6TOP_CMD_LIST 0x05 // CMD_LIST | list the scheduled cells
-#define IANA_6TOP_CMD_CLEAR 0x06 // CMD_CLEAR | clear all cells
+#define IANA_6TOP_CMD_SIGNAL 0x06 // CMD_SIGNAL | signal command
+#define IANA_6TOP_CMD_CLEAR 0x07 // CMD_CLEAR | clear all cells
// 6P return code
#define IANA_6TOP_RC_SUCCESS 0x00 // RC_SUCCESS | operation succeeded
#define IANA_6TOP_RC_EOL 0x01 // RC_EOL | end of list
