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msp430f5529串口调试编写putchar时遇到的问题



Description Resource Path Location Type #10056 symbol "putchar" redefined: first defined in "./main.obj"; redefined in "E:\ccs61a\ccsv6\tools\compiler\ti-cgt-msp430_4.4.3\lib\rts430x_lc_rd_eabi.lib<fputc.obj>" UART10    C/C++ Problem 这是说我重复定义了吧,确实我添加了stdio.h,但是我要做串口打印,自己要写putchar吧,那应该怎样解决呢?