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STM32控制舵機的代碼，通過串口發送數字，設置占空比，從而控制舵機
代碼片段和文件信息
#include?“exti.h“
#include?“led.h“
#include?“SysTick.h“
#include?“key.h“
/*******************************************************************************
*?函?數?名?????????:?My_EXTI_Init
*?函數功能 ???:?外部中斷初始化
*?輸????入?????????:?無
*?輸????出?????????:?無
*******************************************************************************/
void?My_EXTI_Init（void）
{
NVIC_InitTypeDef?NVIC_InitStructure;
EXTI_InitTypeDef??EXTI_InitStructure;
RCC_APB2PeriphClockCmd（RCC_APB2Periph_AFIOENABLE）;
GPIO_EXTILineConfig（GPIO_PortSourceGPIOE?GPIO_PinSource2）;//選擇GPIO管腳用作外部中斷線路
GPIO_EXTILineConfig（GPIO_PortSourceGPIOE?GPIO_PinSource3）;//選擇GPIO管腳用作外部中斷線路
GPIO_EXTILineConfig（GPIO_PortSourceGPIOE?GPIO_PinSource4）;//選擇GPIO管腳用作外部中斷線路
GPIO_EXTILineConfig（GPIO_PortSourceGPIOA?GPIO_PinSource0）;//選擇GPIO管腳用作外部中斷線路
//EXTI0?NVIC?配置
NVIC_InitStructure.NVIC_IRQChannel?=?EXTI0_IRQn;//EXTI0中斷通道
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2;//搶占優先級
NVIC_InitStructure.NVIC_IRQChannelSubPriority?=3; //子優先級
NVIC_InitStructure.NVIC_IRQChannelCmd?=?ENABLE; //IRQ通道使能
NVIC_Init（&NVIC_InitStructure）; //根據指定的參數初始化VIC寄存器
//EXTI2?NVIC?配置
NVIC_InitStructure.NVIC_IRQChannel?=?EXTI2_IRQn;//EXTI2中斷通道
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2;//搶占優先級
NVIC_InitStructure.NVIC_IRQChannelSubPriority?=2; //子優先級
NVIC_InitStructure.NVIC_IRQChannelCmd?=?ENABLE; //IRQ通道使能
NVIC_Init（&NVIC_InitStructure）; //根據指定的參數初始化VIC寄存器
//EXTI3?NVIC?配置
NVIC_InitStructure.NVIC_IRQChannel?=?EXTI3_IRQn;//EXTI3中斷通道
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2;//搶占優先級
NVIC_InitStructure.NVIC_IRQChannelSubPriority?=1; //子優先級
NVIC_InitStructure.NVIC_IRQChannelCmd?=?ENABLE; //IRQ通道使能
NVIC_Init（&NVIC_InitStructure）; //根據指定的參數初始化VIC寄存器
//EXTI4?NVIC?配置
NVIC_InitStructure.NVIC_IRQChannel?=?EXTI4_IRQn;//EXTI4中斷通道
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2;//搶占優先級
NVIC_InitStructure.NVIC_IRQChannelSubPriority?=0; //子優先級
NVIC_InitStructure.NVIC_IRQChannelCmd?=?ENABLE; //IRQ通道使能
NVIC_Init（&NVIC_InitStructure）; //根據指定的參數初始化VIC寄存器
EXTI_InitStructure.EXTI_Line=EXTI_Line0;
EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd=ENABLE;
EXTI_Init（&EXTI_InitStructure）;
EXTI_InitStructure.EXTI_Line=EXTI_Line2|EXTI_Line3|EXTI_Line4;?
EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd=ENABLE;
EXTI_Init（&EXTI_InitStructure）;
}
/*******************************************************************************
*?函?數?名?????????:?EXTI0_IRQHandler
*?函數功能 ???:?外部中斷0函數
*?輸????入?????????:?無
*?輸????出?????????:?無
*******************************************************************************/
void?EXTI0_IRQHandler（void）
{
if（EXTI_GetITStatus（EXTI_Line0）==1）
{
delay_ms（10）;
if（K_UP==1）
{
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-06-29?22:47??STM32串口控制舵機\
?????目錄???????????0??2019-06-29?22:47??STM32串口控制舵機\FWLIB\
?????文件???????15503??2011-03-10?10:52??STM32串口控制舵機\FWLIB\startup_stm32f10x_hd.s
?????文件?????9749066??2018-04-29?11:01??STM32串口控制舵機\FWLIB\stm32f10x_hd_fw.lib
?????目錄???????????0??2019-06-29?22:47??STM32串口控制舵機\INC\
?????目錄???????????0??2019-06-29?22:47??STM32串口控制舵機\INC\CM3\
?????文件???????85714??2011-02-09?14:59??STM32串口控制舵機\INC\CM3\core_cm3.h
?????文件??????633937??2018-12-25?21:30??STM32串口控制舵機\INC\CM3\stm32f10x.h
?????文件??????633941??2011-03-10?10:51??STM32串口控制舵機\INC\CM3\stm32f10x.h.bak
?????文件????????2085??2011-03-10?10:51??STM32串口控制舵機\INC\CM3\system_stm32f10x.h
?????文件????????8982??2011-03-10?10:47??STM32串口控制舵機\INC\misc.h
?????文件???????21690??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_adc.h
?????文件????????7555??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_bkp.h
?????文件???????27559??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_can.h
?????文件????????6573??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_cec.h
?????文件????????3259??2011-04-04?19:03??STM32串口控制舵機\INC\stm32f10x_conf.h
?????文件????????2162??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_crc.h
?????文件???????15233??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_dac.h
?????文件????????3818??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_dbgmcu.h
?????文件???????20754??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_dma.h
?????文件????????6824??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_exti.h
?????文件???????25445??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_flash.h
?????文件???????27016??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_fsmc.h
?????文件???????20175??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_gpio.h
?????文件???????30029??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_i2c.h
?????文件????????4285??2014-12-11?16:55??STM32串口控制舵機\INC\stm32f10x_it.h
?????文件????????3828??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_iwdg.h
?????文件????????4383??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_pwr.h
?????文件???????30452??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_rcc.h
?????文件????????3857??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_rtc.h
?????文件???????21863??2011-03-10?10:47??STM32串口控制舵機\INC\stm32f10x_sdio.h
............此處省略77個文件信息
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