程序:f_putc(*data, &file);
编译错误:
Error[Li005]: no definition for "f_putc" [referenced from D:\IAR ARM Prj\Particulate Matter Analyzer\EWARMv5\STM3210E-EVAL\Obj\main.o]
函数原型:
int f_putc (TCHAR, FIL*); /* Put a character to the file */
该函数已经在ff.c中实现,并在ff.h是志明过了
找到原因了,是宏定义配置为1或2就行了:
#define _USE_STRFUNC 1 /* 0:Disable or 1/2:Enable */
起初也注意到这个问题了, 所以留心函数int f_putc (TCHAR, FIL*); 的前面宏条件了:
#if !_FS_READONLY
#include <stdarg.h>
/*-----------------------------------------------------------------------*/
/* Put a character to the file */
/*-----------------------------------------------------------------------*/
int f_putc (
TCHAR c, /* A character to be output */
FIL* fil /* Pointer to the file object */
)
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