STM实验程序代码文档格式.docx

1、void RCC_Configuration（void）;void NVIC_Configuration（void）;void GPIO_Configuration（void）;/* Private functions */* Function Name : main * Description : Main program.* Input: None* Output* Return*/int main（void）/* Configure the system clocks */ RCC_Configuration（）;/ SysTick_Configuration（）;delay_init（

2、）;/* NVIC Configuration */NVIC_Configuration（）;/* Configure the GPIO ports */GPIO_Configuration（）;/* Connect EXTI Line9 to PA.9 */GPIO_EXTILineConfig（GPIO_PortSourceGPIOA, GPIO_PinSource9）;/* Configure EXTI Line8 to generate an interrupt on falling edge */EXTI_InitStructure.EXTI_Line = EXTI_Line9;EX

3、TI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;EXTI_InitStructure.EXTI_LineCmd = ENABLE;EXTI_Init（&EXTI_InitStructure）;for（;）GPIO_Write（GPIOF, 0xf80f）;delay_ms（100）;GPIO_Write（GPIOF, 0xf817）;GPIO_Write（GPIOF, 0xf827）;GPIO_Write（GPIOF, 0xf847）;

4、GPIO_Write（GPIOF, 0xf887）;GPIO_Write（GPIOF, 0x8907）;GPIO_Write（GPIOF, 0xfa07）;GPIO_Write（GPIOF, 0xfc07）; NVIC_Configuration* Description : Configures Vector Table base location.* Input :* Output :* Return :void NVIC_Configuration（void）NVIC_InitTypeDef NVIC_InitStructure;/* Configure one bit for pree

5、mption priority */NVIC_PriorityGroupConfig（NVIC_PriorityGroup_1）;/* Enable the EXTI9_5 Interrupt */ NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel;NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;NVIC_InitStructure.NVIC_IRQChannelSub

6、Priority = 0;NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;NVIC_Init（&NVIC_InitStructure）; GPIO_Configuration Configures the different GPIO ports.void GPIO_Configuration（void）/* Enable GPIOA, GPIOF and AFIO clocks */RCC_APB2PeriphClockCmd（RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOF |RCC_APB2Periph_

7、AFIO, ENABLE）;/* Configure PF. as Output push-pull */GPIO_InitStructure.GPIO_PinGPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GP IO_Pin_10;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;GPIO_Init（GPIOF, &GPIO_InitStruct

8、ure）;/* Configure PA9 as input floating （EXTI Line9） */GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;/ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;GPIO_Init（GPIOA, &实验 7 LED 流水灯GPIO管脚*/管脚 */#define LD6_PINGPIO_Pin_8/*LD6使用的#define LD7_PINGPIO_Pin_9/*L

9、D7#define LD8_PINGPIO_Pin_10/*LD8/* Private variables */u8 count=0;/void RCC_Configuration（void）;/void NVIC_Configuration（void）;void Delay（vu32 nCount）;void Turn_On_LED（u8 LED_NUM）; main/*配置LED灯使用的GPIO管脚模式*/RCC_APB2PeriphClockCmd（RCC_GPIO_LED, ENABLE）; /*使能 LED灯使用的 GPI0时钟 */LD1_PIN|LD2_PIN|LD3_PIN|L

10、D4_PIN|LD5_PIN|LD6_PIN|LD7_PIN|LD8_PIN;GPIO_Init（GPIO_LED, & /* 使用的 LED灯相关的 GPIO口初始化*/GPIO_ResetBits（GPIO_LED,LD1_PIN|LD2_PIN|LD3_PIN|LD4_PIN|LD5_PIN|LD6_PIN|LD7 _PIN|LD8_PIN）;/* 关闭所有的LED指示灯*/while（1）GPIO_ResetBits（GPIO_LED,LD1_PIN|LD2_PIN|LD3_PIN|LD4_PIN|LD5_PIN|LD6_PIN|LD7PIN|LD8_PIN）;Turn_On_LED（count%8）; 点亮一个 LED灯count+;Delay（0x0FFFFF）;/* 点亮对应灯 */void Turn_On_LED（u8 LED_NUM）switch（LED_NUM）点亮LD1灯*/case 0:GPIO_SetBits（GPIO_LED,LD1_PIN）; /*break;case 1:GPIO_SetB