2.28】作业更新-电子产品世界论坛

2.28】作业更新

元宝

菜鸟

2016-01-16 22:09:58 打赏

只看楼主 1楼

作业1：安装 http://forum.eepw.com.cn/thread/279114/1#2

作业2：流水灯http://forum.eepw.com.cn/thread/279114/1#3

作业3:0~99计数http://forum.eepw.com.cn/thread/279114/1#4

作业4：uart控制LED流水灯转速 http://forum.eepw.com.cn/thread/279114/1#5

作业5：定时器控制LEDhttp://forum.eepw.com.cn/thread/279114/1#6

作业6：计算开机次数 http://forum.eepw.com.cn/thread/279114/1#7

作业7：期末项目http://forum.eepw.com.cn/thread/279114/1#8

0

元宝

菜鸟

2016-01-16 22:39:59 打赏

2楼

1.运行安装程序

2.选择 i agree

3.s选择路径安装

4.安装完成后开始破解

5.用这个神器破解，一个序列号不行就多刷几个

破解完就可以正常使用了

元宝

菜鸟

2016-01-16 22:42:42 打赏

3楼

作业2：流水灯

代码：#include "stm32f10x.h"
#include "stm32_eval.h"

GPIO_InitTypeDef GPIO_InitStructure;

void RCC_Configuration(void)
{
RCC_DeInit();

RCC_HSICmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);

RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);

RCC_HSEConfig(RCC_HSE_OFF);
RCC_LSEConfig(RCC_LSE_OFF);
RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
RCC_ADCCLKConfig(RCC_PCLK2_Div4);
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while(RCC_GetSYSCLKSource() != 0x08);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_ResetBits(GPIOD,GPIO_Pin_2);
}
void GPIO_INIT()
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void delay_us(u32 n)
{
u8 j;
while(n--)
for(j=0;j<10;j++);
}
void delay_ms(u32 n)
{

元宝

菜鸟

2016-01-16 22:43:39 打赏

4楼

作业3:0~99按键计数

代码：GPIO_InitTypeDef GPIO_InitStructure; // 声明一个结构体


void RCC_Configuration(void);
void GPIO_INIT(void) ;
void Function(void) ;

int main(void)
{
RCC_Configuration();
GPIO_INIT();
Function();
}

void RCC_Configuration(void) //复位所有的RCC外围设备寄存器
{
ErrorStatus HSEStartUpStatus; // 设置错误标志量
RCC_DeInit(); //复位RCC模块的寄存器,复位成缺省值
RCC_HSEConfig(RCC_HSE_ON); //开启HSE时钟
HSEStartUpStatus = RCC_WaitForHSEStartUp(); //获取HSE启动状态：
if(HSEStartUpStatus==SUCCESS) //如果HSE启动成功
{
FLASH_PrefetchBufferCmd(ENABLE); //开启FLASH的预取功能
FLASH_SetLatency(FLASH_Latency_2); //FLASH延迟2个周期
RCC_HCLKConfig(RCC_SYSCLK_Div1); //配置HCLK,PCLK2,PCLK1,PLL
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz
RCC_PLLCmd(ENABLE); //启动PLL
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY)==RESET);
{} //等待PLL启动完成
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);//配置系统时钟
while(RCC_GetSYSCLKSource() != 0x08); //检查是否将HSE 9倍频后作为系统时钟
}

GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//改变管脚的映射SWJ使能选择用于事件输出的GPIO端口

/*蜂鸣器*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); //使能所有要用APB2的外设时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //选中2引脚
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 引脚频率50M
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //引脚设置推拉输出
GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD
GPIO_ResetBits(GPIOD,GPIO_Pin_2);
}

void delay_us(u32 n) //延时函数
{
u8 j;
while(n--)
for(j=0;j<10;j++);
}
void delay_ms(u32 n) //延时函数
{
while(n--)
delay_us(1000);
}

void GPIO_INIT(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOB, ENABLE); //使能所有要用APB2的外设时钟

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11; //选中8,9,10,11引脚
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 引脚频率50M
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //引脚设置推拉输出
GPIO_Init(GPIOC, &GPIO_InitStructure); //初始化

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_1|GPIO_Pin_15|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14;//数码管
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 引脚频率50M
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure); //初始化
}


void Number(int a) //数码管显示数字
{
switch(a)
{
case 0 : GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);break;
case 1 : GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);break;
case 2 : GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);break;
case 3 : GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);break;
case 4 : GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);break;
case 5 : GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);break;
case 6 : GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);break;
case 7 : GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);break;
case 8 : GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);break;
case 9 : GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14); break;
}
}


void Function(void)
{
int i=0,j=0; //i被按下的次数，n延时变量

GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
delay_ms(50); //关闭数码管

while(1)
{
GPIO_SetBits(GPIOB,GPIO_Pin_1); //打开个位数码管
Number(i); //用switch函数显示00
delay_ms(50);
GPIO_ResetBits(GPIOB,GPIO_Pin_1); //关闭个位
GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);

GPIO_SetBits(GPIOB,GPIO_Pin_15); //打开十位
Number(j);
delay_ms(50);
GPIO_ResetBits(GPIOB,GPIO_Pin_15); //关掉十位数码管
GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);

if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)) //判断按键是s1否被按下
{
delay_ms(50); //延时消抖
if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)) //再次判断按键是s1否被按下
{
i++; //按键被按下，个位+1
if(i==10)
{
j++;
i=0;
}
if(j==10)
{
j=0;
i=0;
}
}
}

元宝

菜鸟

2016-01-16 22:44:48 打赏

5楼

作业4:uart控制LED流水灯转速

#include "stm32f10x.h"

#include "stm32_eval.h"
#include "stdbool.h"
GPIO_InitTypeDef GPIO_InitStructure;
void RCC_Configuration(void);
void GPIO_INIT(void) ;
void Function(void) ;

int main(void)
{
RCC_Configuration();
GPIO_INIT();
Function();
}

void RCC_Configuration(void)
{
RCC_DeInit();
RCC_HSICmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
RCC_HSEConfig(RCC_HSE_OFF);
RCC_LSEConfig(RCC_LSE_OFF);
RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
RCC_ADCCLKConfig(RCC_PCLK2_Div4);
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while(RCC_GetSYSCLKSource() != 0x08);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_ResetBits(GPIOD,GPIO_Pin_2);
}

void GPIO_INIT()
{
//GPIO数码管初始化
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8
|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);

//按键初始化
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}

void delay_us(u32 n)
{
u8 j;
while(n--)
for(j=0;j<10;j++);
}

void delay_ms(u32 n)
{
while(n--)
delay_us(1000);
}
void Function(void)
{
int i=0,j=0; //i被按下的次数，n延时变量

GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
delay_ms(50); //关闭数码管

while(1)
{
GPIO_SetBits(GPIOB,GPIO_Pin_1); //打开个位数码管
Number(i); //用switch函数显示00
delay_ms(50);
GPIO_ResetBits(GPIOB,GPIO_Pin_1); //关闭个位
GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);

GPIO_SetBits(GPIOB,GPIO_Pin_15); //打开十位
Number(j);
delay_ms(50);
GPIO_ResetBits(GPIOB,GPIO_Pin_15); //关掉十位数码管
GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);

if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)) //判断按键是s1否被按下
{
delay_ms(50); //延时消抖
if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)) //再次判断按键是s1否被按下
{
i++; //按键被按下，个位+1
if(i==10)
{
j++;
i=0;
}
if(j==10)
{
j=0;
i=0;
}
}
}
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/

元宝

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2016-01-16 22:45:40 打赏

6楼

作业5：定时器控制LED灯

/**

******************************************************************************
* @file EXTI/EXTI_Config/main.c
* @author MCD Application Team
* @version V3.5.0
* @date 08-April-2011
* @brief Main program body
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
#include <stdio.h>
/** @addtogroup STM32F10x_StdPeriph_Examples
* @{
*/

/** @addtogroup EXTI_Config
* @{
*/

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;
/* Private function prototypes -----------------------------------------------*/
void EXTIkeyS3_Config(void);
void EXTIkeyS4_Config(void);
void RCC_Configuration(void)
{
RCC_DeInit();

RCC_HSICmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);

RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);

RCC_HSEConfig(RCC_HSE_OFF);
RCC_LSEConfig(RCC_LSE_OFF);
RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
RCC_ADCCLKConfig(RCC_PCLK2_Div4);
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while(RCC_GetSYSCLKSource() != 0x08);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_ResetBits(GPIOD,GPIO_Pin_2);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_ResetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
}

void USART_int(long BaudRate)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* PA10 USART1_Rx */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* USARTx configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = BaudRate;//??????
USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit
USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1
USART_InitStructure.USART_Parity = USART_Parity_No;//????
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????none
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//??????????
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
USART_ClockInit(USART1, &USART_ClockInitStructure);
USART_Init(USART1, &USART_InitStructure);
USART_Cmd(USART1, ENABLE);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);

/* Configure four bit for preemption priority */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
/* Enable the USART1 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; //
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}

/* Private functions ---------------------------------------------------------*/

/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{RCC_Configuration();

/* Configure PA.00 in interrupt mode */
EXTIkeyS3_Config();

/* Configure PB.09 or PG.08 in interrupt mode */
EXTIkeyS4_Config();
USART_int(115200);
printf("Config done,waiting for interrupt......\r\n");

while (1)
{
}
}

/**
* @brief Configure PA.00 in interrupt mode
* @param None
* @retval None
*/
void EXTIkeyS3_Config(void)
{
/* Enable GPIOA clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

/* Configure PA.00 pin as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);

/* Enable AFIO clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);

/* Connect EXTI0 Line to PA.00 pin */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource10);

/* Configure EXTI0 line */
EXTI_InitStructure.EXTI_Line = EXTI_Line10;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);

/* Enable and set EXTI0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}

/**
* @brief Configure PB.09 or PG.08 in interrupt mode
* @param None
* @retval None
*/
void EXTIkeyS4_Config(void)
{
/* Enable GPIOB clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

/* Configure PB.09 pin as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOC, &GPIO_InitStructure);

/* Enable AFIO clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
/* Connect EXTI9 Line to PB.09 pin */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource11);

/* Configure EXTI9 line */
EXTI_InitStructure.EXTI_Line = EXTI_Line11;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);

/* Enable and set EXTI9_5 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

NVIC_Init(&NVIC_InitStructure);
}

/******************************************************************************/
/* STM32F10x Peripherals Interrupt Handlers */
/******************************************************************************/

/**
* @brief This function handles External lines 9 to 5 interrupt request.
* @param None
* @retval None
*/
void EXTI15_10_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line10) != RESET)
{
/* Toggle LED2 */
GPIO_SetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
printf("S4 interrupt ......\r\n");
/* Clear the EXTI line 9 pending bit */
EXTI_ClearITPendingBit(EXTI_Line10);
}
if(EXTI_GetITStatus(EXTI_Line11) != RESET)
{
/* Toggle LED1 */
GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
printf("S3 interrupt ......\r\n");
/* Clear the EXTI line 0 pending bit */
EXTI_ClearITPendingBit(EXTI_Line11);
}
}

#ifdef USE_FULL_ASSERT

/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

/* Infinite loop */
while (1)
{
}
}

#endif

/**
* @}
*/

/**
* @}
*/

#ifdef __GNUC__
/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
set to 'Yes') calls __io_putchar() */
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */


/**
* @brief Retargets the C library printf function to the USART.
* @param None
* @retval None
*/
PUTCHAR_PROTOTYPE
{
/* Place your implementation of fputc here */
/* e.g. write a character to the USART */
USART_SendData(EVAL_COM1, (uint8_t) ch);

/* Loop until the end of transmission */
while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)
{}

return ch;
}

#ifdef USE_FULL_ASSERT

/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

/* Infinite loop */
while (1)
{
}
}

#endif

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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菜鸟

2016-01-20 13:33:14 打赏

7楼

//定时器 5 通道 1 输入捕获配置

TIM_ICInitTypeDef TIM5_ICInitStructure;

void TIM5_Cap_Init(u16 arr,u16 psc)

{

GPIO_InitTypeDef GPIO_InitStructure;

TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;

NVIC_InitTypeDef NVIC_InitStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE); //①使能 TIM5 时钟

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); //①使能 GPIOA 时钟

//初始化 GPIOA.0 ①

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; //PA0 设置

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; //PA0 输入

GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化 GPIOA.0

GPIO_ResetBits(GPIOA,GPIO_Pin_0); //PA0 下拉

//②初始化 TIM5 参数

TIM_TimeBaseStructure.TIM_Period = arr; //设定计数器自动重装值

TIM_TimeBaseStructure.TIM_Prescaler =psc; //预分频器

TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; // TDTS = Tck_tim

TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM 向上计数模式

TIM_TimeBaseInit(TIM5, &TIM_TimeBaseStructure); //初始化 TIMx

//③初始化 TIM5 输入捕获通道 1

TIM5_ICInitStructure.TIM_Channel = TIM_Channel_1; //选择输入端 IC1 映射到 TI1 上

TIM5_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising; //上升沿捕获

TIM5_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI; //映射到 TI1 上

TIM5_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1; //配置输入分频,不分频

TIM5_ICInitStructure.TIM_ICFilter = 0x00; //IC1F=0000 配置输入滤波器不滤波

TIM_ICInit(TIM5, &TIM5_ICInitStructure); //初始化 TIM5 输入捕获通道 1

//⑤初始化 NVIC 中断优先级分组

NVIC_InitStructure.NVIC_IRQChannel = TIM5_IRQn; //TIM3 中断

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; //先占优先级 2 级

NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //从优先级 0 级

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ 通道被使能

NVIC_Init(&NVIC_InitStructure); //初始化 NVIC

TIM_ITConfig( TIM5,TIM_IT_Update|TIM_IT_CC1,ENABLE);//④允许更新中断捕获中断

TIM_Cmd(TIM5,ENABLE ); //⑥使能定时器 5

}

u8 TIM5CH1_CAPTURE_STA=0; //输入捕获状态

u16 TIM5CH1_CAPTURE_VAL; //输入捕获值

//⑤定时器 5 中断服务程序

void TIM5_IRQHandler(void)

{

if((TIM5CH1_CAPTURE_STA&0X80)==0)//还未成功捕获

{

if (TIM_GetITStatus(TIM5, TIM_IT_Update) != RESET)

{

if(TIM5CH1_CAPTURE_STA&0X40) //已经捕获到高电平了

{

if((TIM5CH1_CAPTURE_STA&0X3F)==0X3F)//高电平太长了

{

TIM5CH1_CAPTURE_STA|=0X80; //标记成功捕获了一次

TIM5CH1_CAPTURE_VAL=0XFFFF;

}else TIM5CH1_CAPTURE_STA++;

}

}

if (TIM_GetITStatus(TIM5, TIM_IT_CC1) != RESET) //捕获 1 发生捕获事件

{

if(TIM5CH1_CAPTURE_STA&0X40) //捕获到一个下降沿

{

TIM5CH1_CAPTURE_STA|=0X80; //标记成功捕获到一次上升沿

TIM5CH1_CAPTURE_VAL=TIM_GetCapture1(TIM5);

TIM_OC1PolarityConfig(TIM5,TIM_ICPolarity_Rising); //设置为上升沿捕获

}else //还未开始,第一次捕获上升沿

{

TIM5CH1_CAPTURE_STA=0; //清空

TIM5CH1_CAPTURE_VAL=0;

TIM_SetCounter(TIM5,0);

TIM5CH1_CAPTURE_STA|=0X40; //标记捕获到了上升沿

TIM_OC1PolarityConfig(TIM5,TIM_ICPolarity_Falling); //设置为下降沿捕获

}

}

}

TIM_ClearITPendingBit(TIM5, TIM_IT_CC1|TIM_IT_Update); //清除中断标志位

}

//timer.h

extern u8 TIM5CH1_CAPTURE_STA; //输入捕获状态

extern u16 TIM5CH1_CAPTURE_VAL; //输入捕获值

int main(void)

{

u32 temp=0;

delay_init(); //延时函数初始化

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置 NVIC 中断分组 2

uart_init(115200); //串口初始化波特率为 115200

LED_Init(); //LED 端口初始化

TIM3_PWM_Init(899,0); //不分频。PWM 频率=72000/(899+1)=80Khz

TIM5_Cap_Init(0XFFFF,72-1); //以 1Mhz 的频率计数

while(1)

{

delay_ms(10);

TIM_SetCompare2(TIM3,TIM_GetCapture2(TIM3)+1);

if(TIM_GetCapture2(TIM3)==300)

TIM_SetCompare2(TIM3,0);

if(TIM5CH1_CAPTURE_STA&0X80)//成功捕获到了一次上升沿

{

temp=TIM5CH1_CAPTURE_STA&0X3F;

temp*=65536;//溢出时间总和

temp+=TIM5CH1_CAPTURE_VAL;//得到总的高电平时间

printf("HIGH:%d us\r\n",temp); //打印总的高点平时间

TIM5CH1_CAPTURE_STA=0; //开启下一次捕获

}

}

}

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菜鸟

2016-02-27 18:47:20 打赏

8楼

7.期末项目

#include "stdio.h"
#include "stm32f10x.h"
int fputc(int ch,FILE *f);
/********************RCC配置*********************/
void RCC_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ErrorStatus HSEStartUpStatus;
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON);
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus==SUCCESS)
{
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_9);
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY)==RESET);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while(RCC_GetSYSCLKSource() != 0x08);
}
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);
/**蜂鸣器*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_ResetBits(GPIOD,GPIO_Pin_2);
}
void delay_us(u32 n)
{
u8 j;
while(n--)
for(j=0;j<10;j++);
}
void delay_ms(u32 n) //延时函数
{
while(n--)
delay_us(1000);
}
/*****************************GPIO初始********************************/
void GPIO_Inits(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
/*GPIOA--RGB初始化*/
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;
GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
GPIO_Init(GPIOA,&GPIO_InitStructure);
GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3)
}
/**************************DS18B20**********************/
uint8_t DS18B20_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
Set_B20();
DS18B20_Rst();
return DS18B20_Presence ();
}
static void DS18B20_Mode_IPU(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
static void DS18B20_Mode_Out_PP(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
static void DS18B20_Rst(void)
{

DS18B20_Mode_Out_PP();
Reset_B20() ;
delay_us(700);
Set_B20() ;
delay_us(15);
}
static uint8_t DS18B20_Presence(void)
{
uint8_t pulse_time = 0;

DS18B20_Mode_IPU();
while( Read_B20() && pulse_time<100 )
{
pulse_time++;
delay_us(1);
}

if( pulse_time >=100 )
return 1;
else
pulse_time = 0;

while( !Read_B20() && pulse_time<240 )
{
pulse_time++;
delay_us(1);
}
if( pulse_time >=240 )
return 1;
else
return 0;
}
static uint8_t DS18B20_ReadBit(void)
{
uint8_t dat;

DS18B20_Mode_Out_PP();
Reset_B20();
delay_us(10);
DS18B20_Mode_IPU();
//Delay_us(2);
if( Read_B20() == SET )
dat = 1;
else
dat = 0;
delay_us(45);
return dat;
}
static uint8_t DS18B20_ReadByte(void)
{
uint8_t i, j, dat = 0;
for(i=0; i<8; i++)
{
j = DS18B20_ReadBit();
dat = (dat) | (j<
}
return dat;
}
static void DS18B20_WriteByte(uint8_t dat)
{
uint8_t i, testb;
DS18B20_Mode_Out_PP();
for( i=0; i<8; i++ )
{
testb = dat&0x01;
dat = dat>>1;

if (testb)
{
Reset_B20();

delay_us(8);
Set_B20();
delay_us(58);
}
else
{
Reset_B20();
/* 60us < Tx 0 < 120us */
delay_us(70);
Set_B20();
delay_us(2);
}
}
}
static void DS18B20_SkipRom ( void )
{
DS18B20_Rst();
DS18B20_Presence();
DS18B20_WriteByte(0XCC);
}
static void DS18B20_MatchRom ( void )
{
DS18B20_Rst();
DS18B20_Presence();
DS18B20_WriteByte(0X55);
}
float DS18B20_GetTemp_SkipRom ( void )
{
uint8_t tpmsb, tplsb;
short s_tem;
float f_tem;
DS18B20_SkipRom ();
DS18B20_WriteByte(0X44);
DS18B20_SkipRom ();
DS18B20_WriteByte(0XBE);
tplsb = DS18B20_ReadByte();
tpmsb = DS18B20_ReadByte();
s_tem = tpmsb<<8;
s_tem = s_tem | tplsb;
if( s_tem < 0 )
f_tem = (~s_tem+1) * 0.0625;
else
f_tem = s_tem * 0.0625;
return f_tem;
}
void DS18B20_ReadId ( uint8_t * ds18b20_id )
{
uint8_t uc;
DS18B20_WriteByte(0x33);
for ( uc = 0; uc < 8; uc ++ )
ds18b20_id [ uc ] = DS18B20_ReadByte();
}
float DS18B20_GetTemp_MatchRom ( uint8_t * ds18b20_id )
{
uint8_t tpmsb, tplsb, i;
short s_tem;
float f_tem;
DS18B20_MatchRom ();
for(i=0;i<8;i++)
DS18B20_WriteByte ( ds18b20_id [ i ] );
DS18B20_WriteByte(0X44);
DS18B20_MatchRom ();
for(i=0;i<8;i++)
DS18B20_WriteByte ( ds18b20_id [ i ] );
DS18B20_WriteByte(0XBE);
tplsb = DS18B20_ReadByte();
tpmsb = DS18B20_ReadByte();
s_tem = tpmsb<<8;
s_tem = s_tem | tplsb;
if( s_tem < 0 )
f_tem = (~s_tem+1) * 0.0625;
else
f_tem = s_tem * 0.0625;
return f_tem;
}
int main()
{
uint8_t uc, ucDs18b20Id [ 8 ];
RCC_Configuration();
GPIO_Inits();
USART_int(9600);
while( DS18B20_Init() )
printf("\r\n no ds18b20 exit \r\n");
printf("\r\n Yes ds18b20 \r\n");
DS18B20_ReadId ( ucDs18b20Id );
printf("\r\nDS18B20的序列号是： 0x");
for ( uc = 0; uc < 8; uc ++ )
printf ( "%.2x", ucDs18b20Id [ uc ] );
for(;;)
{
static unsigned int i=0;
float a,b;
if(i==10)
{
printf ( "\r\n第10秒：温度： %.1f\r\n", DS18B20_GetTemp_MatchRom ( ucDs18b20Id ) );
a=DS18B20_GetTemp_MatchRom ( ucDs18b20Id );
delay_ms(1000);
i++;
}
else{}
if(i<10)
{
printf ( "\r\n温度： %.1f\r\n", DS18B20_GetTemp_MatchRom ( ucDs18b20Id ) );
delay_ms(1000);
i++;
}
if(i>10)
{
printf ( "\r\n10秒后：温度： %.1f\r\n", DS18B20_GetTemp_MatchRom ( ucDs18b20Id ) );
b=DS18B20_GetTemp_MatchRom ( ucDs18b20Id );
delay_ms(1000);
i++;
if((b-a)>0.9)
{GPIO_ResetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
}
else{}
if((b-a)<0.9)
{
GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
}
else{}
}
else{}
}
}
int fputc(int ch,FILE *f)
{
USART_SendData(USART1, (uint8_t) ch);
while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
{}
return ch;
}

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