STM32F103植入OS后，植入裸机AD采集程序时出错，是不是库问题，求高手指点
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_Cmd (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_DeInit (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_GetCalibrationStatus (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_GetConversionValue (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_GetFlagStatus (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_GetResetCalibrationStatus (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_Init (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_RegularChannelConfig (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_ResetCalibration (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_SoftwareStartConvCmd (referred from adc.o).
..\hex\OS_V1.0: Error: L6218E: Undefined symbol ADC_StartCalibration (referred from adc.o).
