stm32不用的外设头文件到底是注释掉还是都包含进去的？

只看该作者 · 2012-11-6 12:13

st库stm32f10x_conf.h里为什么提示用户可以注释掉不用的外设头文件，不注释掉有什么不好吗？不要说是节省编译时间和节省程序空间的，注释掉得头文件相应的外设c文件也同样会被编译。

/* Includes ------------------------------------------------------------------*/
/* Uncomment/Comment the line below to enable/disable peripheral header file inclusion */
// #include "stm32f10x_adc.h"
// #include "stm32f10x_bkp.h"
// #include "stm32f10x_can.h"
// #include "stm32f10x_cec.h"
// #include "stm32f10x_crc.h"
// #include "stm32f10x_dac.h"
// #include "stm32f10x_dbgmcu.h"
// #include "stm32f10x_dma.h"
// #include "stm32f10x_exti.h"
// #include "stm32f10x_flash.h"
// #include "stm32f10x_fsmc.h"
#include "stm32f10x_gpio.h"
// #include "stm32f10x_i2c.h"
// #include "stm32f10x_iwdg.h"
// #include "stm32f10x_pwr.h"
#include "stm32f10x_rcc.h"
// #include "stm32f10x_rtc.h"
// #include "stm32f10x_sdio.h"
// #include "stm32f10x_spi.h"
// #include "stm32f10x_tim.h"
// #include "stm32f10x_usart.h"
// #include "stm32f10x_wwdg.h"
#include "misc.h" /* High level functions for NVIC and SysTick (add-on to CMSIS functions) */