在SEGGER_RTT_printf.c中的int SEGGER_RTT_vprintf(unsigned BufferIndex, const char * sFormat, va_list * pParamList)函数增加以下case: case'f':case'F':{charch[10]={0};constchar*s=ch;doublea=va_arg(*pParamList,double);sprintf(ch,"%4.3f",a);do{c=*s;s++;if(c=='\0')break;_Stor...