if (res > 0) {\r
cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6);\r
} else {\r
cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);\r
}\r
if (res > 0) {\r
cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6);\r
} else {\r
cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);\r
}\r