我在app_para.c和app_para.h里都没有定义key这个变量 居然出现重复定义的错误

机械式teli

Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR \prj\Debug\Obj\at24c512.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\att7022e.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\bsp.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\bsp_key.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\bsp_lcd.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\bsp_led.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\bsp_mem.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\bsp_switching.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\bsp_usart.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\ec20.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\lcd_para.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\light_time_cal.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\main.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\mb85rc16.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\my_queue.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\mye_string.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\rx8025.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\sst25vf080b.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\stm32f10x_it.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_cycle.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_init.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_lcd.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_light.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_network.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_prtl.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_rs232.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_rs485.o"
Error[Li006]: duplicate definitions for "key"; in "E:\Project\IAR\prj\Debug\Obj\app_para.o", and "E:\Project\IAR\prj\Debug\Obj\task_updata.o"

来俩不甜的

一般是定义到头文件里了

沧海

重复定义了。 你是想定义一个全局变量把？在.h 文件里加个extern 申明外部变量。

机械式teli

来俩不甜的 发表于 2017-3-17 10:44
一般是定义到头文件里了

关键是我的头文件里都没有key这个变量  全局查找页找不到

来俩不甜的

app_para。h 里找找，可能是编译失败导致查找不到的

tongjinlv

给个链接你http://www.trtos.com/web/wp/?p=658