Error: L6200E: Symbol SystemInit multiply defined (by system_stm32f1xx_1.o and system_s

项目场景：

提示：这里简述项目相关背景：

例如：keil 一直显示重复定义！
搞了一周时间了！！！！！！！！！！！！！！1

Error: L6200E: Symbol SystemInit multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol SystemInit multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol __asm___18_system_stm32f1xx_c_5d646a67____REV16 multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol __asm___18_system_stm32f1xx_c_5d646a67____REVSH multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol __asm___18_system_stm32f1xx_c_5d646a67____RRX multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol AHBPrescTable multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol APBPrescTable multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol SystemCoreClock multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
I2C\I2C.axf: Error: L6200E: Symbol SystemCoreClockUpdate multiply defined (by system_stm32f1xx_1.o and system_stm32f1xx.o).
Not enough information to list image symbols.
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解决方案：

提示：这里填写该问题的具体解决方案：

在项目的文件里面 core 和 drivers/cmsis 都重复定义了system_stm32f1xx.c 。
把core里面的文件删除即可解决问题！！！！！