求大神解答一下，编译一直报错

大声道

.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_Cmd (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_DeInit (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_GetCalibrationStatus (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_GetResetCalibrationStatus (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_Init (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_RegularChannelConfig (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_ResetCalibration (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_SoftwareStartConvCmd (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_StartCalibration (referred from adc.o).
.\output\工程模板.axf: Error: L6218E: Undefined symbol ADC_TempSensorVrefintCmd (referred from adc.o).

正点原子

adc.c都没包含进来（库函数的底层代码）