*** Using Compiler 'V6.16', folder: 'D:\Keil_v5\ARM\ARMCLANG\Bin' Build target 'referee' Note: source file '..\User\bsp\can.c' - object file renamed from 'referee\can.o' to 'referee\can_1.o'.Note: source file '..\User\bsp\gpio.c' - object file renamed from 'referee\gpio.o' to 'referee\gpio_1.o'.Note: source file '..\User\bsp\spi.c' - object file renamed from 'referee\spi.o' to 'referee\spi_1.o'.Note: source file '..\User\bsp\i2c.c' - object file renamed from 'referee\i2c.o' to 'referee\i2c_1.o'.Note: source file '..\User\task\dr16.c' - object file renamed from 'referee\dr16.o' to 'referee\dr16_1.o'.Note: source file '..\User\task\vofa.c' - object file renamed from 'referee\vofa.o' to 'referee\vofa_1.o'.Note: source file '..\User\task\et16s.c' - object file renamed from 'referee\et16s.o' to 'referee\et16s_1.o'.Note: source file '..\User\task\referee.c' - object file renamed from 'referee\referee.o' to 'referee\referee_1.o'.Note: source file '..\User\task\cmd.c' - object file renamed from 'referee\cmd.o' to 'referee\cmd_1.o'.Note: source file '..\User\module\cmd\cmd.c' - object file renamed from 'referee\cmd.o' to 'referee\cmd_1.o'.compiling cmd_adapter.c... ../User/module/cmd/cmd.c(118): warning: implicit conversion from enumeration type 'CHASSIS_ATTITUDE_MODE_t' to different enumeration type 'Chassis_Mode_t' [-Wenum-conversion] ctx->output.chassis.cmd.mode = STOP_MODE; ~ ^~~~~~~~~ 1 warning generated. compiling cmd.c... linking... referee\referee.axf: Warning: L6304W: Duplicate input file referee\cmd_1.o ignored. referee\referee.axf: Error: L6218E: Undefined symbol Task_cmd (referred from init.o). referee\referee.axf: Error: L6218E: Undefined symbol cmd_et16s (referred from cmd_adapter.o). Not enough information to list image symbols. Not enough information to list load addresses in the image map. Finished: 2 information, 1 warning and 2 error messages. "referee\referee.axf" - 2 Error(s), 2 Warning(s). Target not created. Build Time Elapsed: 00:00:02