EEPW论坛

这些小活动你都参加了吗？快来围观一下吧！>>

电子产品世界 » 论坛首页 » 高校专区 » 漓东e学堂 » 好好学习天天向上 09

共35条 2/4 ‹ 1 2 3 4 › 跳转至页

学渣求帮助09

菜鸟

2014-10-30 18:26:16 打赏

11楼

数码管输出视频展示密码1234567890
视频地址：http://player.youku.com/player.php/sid/XODE0OTA3Mjg4/v.swf

评论

学渣求帮助09

菜鸟

2014-10-30 18:30:36 打赏

12楼

数码管输出展示 http://forum.eepw.com.cn/thread/262383/2/#11

评论

高工

2014-10-30 23:13:00 打赏

13楼

按键数码管的代码和注释呢

评论

学渣求帮助09

菜鸟

2014-11-27 23:44:54 打赏

14楼

外部中断代码

#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 EXTIkeyS1_Config(void);
void EXTIkeyS2_Config(void);
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();
  EXTIkeyS1_Config();
  EXTIkeyS2_Config();
	EXTIkeyS3_Config();
	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 EXTIkeyS1_Config(void)
{
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource8);
  EXTI_InitStructure.EXTI_Line = EXTI_Line8;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;  
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);
 NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}


void EXTIkeyS2_Config(void)
{
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource9);
  EXTI_InitStructure.EXTI_Line = EXTI_Line9;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;  
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);
  NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}

void EXTIkeyS3_Config(void)
{
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource10);
  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);
  
	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);
}

void EXTIkeyS4_Config(void)
{
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource11);
  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);

	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 EXTI9_5_IRQHandler(void)
{
  if(EXTI_GetITStatus(EXTI_Line8) != RESET)
  {
    /* Toggle LED2 */
     GPIO_SetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
printf("S1 interrupt ......\r\n");
    /* Clear the  EXTI line 9 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line8);
  }
	if(EXTI_GetITStatus(EXTI_Line9) != RESET)
  {
    /* Toggle LED1 */
     GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
printf("S2 interrupt ......\r\n");
    /* Clear the  EXTI line 0 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line9);
  }
}
void EXTI15_10_IRQHandler(void)
{
  if(EXTI_GetITStatus(EXTI_Line11) != RESET)
  {
    /* Toggle LED2 */
     GPIO_ResetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
printf("S3 interrupt ......\r\n");
    /* Clear the  EXTI line 9 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line11);
  }
	if(EXTI_GetITStatus(EXTI_Line10) != RESET)
  {
    /* Toggle LED1 */
     GPIO_ResetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
printf("S4 interrupt ......\r\n");
    /* Clear the  EXTI line 0 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line10);
  }
}


#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****/

评论

学渣求帮助09

菜鸟

2014-11-28 00:23:05 打赏

15楼

外部中断视频密码123

视频地址：http://player.youku.com/player.php/sid/XODM2NjY0MDc2/v.swf

评论

学渣求帮助09

菜鸟

2014-12-03 23:12:07 打赏

16楼

定时器中断代码

/** 
  ****************************************************************************** 
  * @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>&copy; 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;  
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;  
long flag,temp;  
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); 
*/  
    SystemInit();  
    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_SetBits(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);  
      RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
         RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);  
}  
  
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);  
}  
  
void NVIC_Configuration(void)  
{  
  NVIC_InitTypeDef NVIC_InitStructure;  
  
  /* Enable the TIM2 global Interrupt */  
  NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;  
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;  
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
  
  NVIC_Init(&NVIC_InitStructure);  
      
  
  /* Enable the TIM2 global Interrupt */  
  NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;  
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;  
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
  
  NVIC_Init(&NVIC_InitStructure);  
}  
  
/* Private functions ---------------------------------------------------------*/  
  
/** 
  * @brief  Main program. 
  * @param  None 
  * @retval None 
  */  
int main(void)  
{  
  /*!< At this stage the microcontroller clock setting is already configured,  
       this is done through SystemInit() function which is called from startup 
       file (startup_stm32f10x_xx.s) before to branch to application main. 
       To reconfigure the default setting of SystemInit() function, refer to 
       system_stm32f10x.c file 
     */       
         
  /* System Clocks Configuration */  
    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);  
  RCC_Configuration();  
  
NVIC_Configuration();  
USART_int(115200);  
    printf("config done...\r\n");  
  
  /* Time base configuration */  
  TIM_TimeBaseStructure.TIM_Period = 36000;  
  TIM_TimeBaseStructure.TIM_Prescaler = 0;  
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
  
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE );   
    
     TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);  
TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE );   
    
  /* TIM2 enable counter */  
  TIM_Cmd(TIM2, ENABLE);  
 TIM_Cmd(TIM3, ENABLE);  
  while (1){  
        if(flag == 1000)  
        {printf("TIM2 interrupt......\r\n");  
flag = 0;  
GPIO_SetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);  
            GPIO_ResetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);  
          
        }  
if(temp == 3000)  
{   printf("TIM3 interrupt......\r\n");  
temp = 0;  
GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);  
    GPIO_ResetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);  
          
}  
//else{GPIO_SetBits(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 TIM2_IRQHandler(void) //TIM3 ??  
{  
if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) //?? TIM3 ????????  
{  
TIM_ClearITPendingBit(TIM2, TIM_IT_Update ); //?? TIM3 ??????  
    flag++;  
    GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);  
}  
}  
void TIM3_IRQHandler(void) //TIM3 ??  
{  
if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) //?? TIM3 ????????  
{  
TIM_ClearITPendingBit(TIM3, TIM_IT_Update ); //?? TIM3 ??????  
    temp++;  
    GPIO_SetBits(GPIOC,GPIO_Pin_2);  
}  
}  
  
#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****/

评论

学渣求帮助09

菜鸟

2014-12-03 23:41:05 打赏

17楼

定时器中断视频密码09

视频地址：http://player.youku.com/player.php/sid/XODQxMDYwODg4/v.swf

评论

学渣求帮助09

菜鸟

2014-12-04 22:35:01 打赏

18楼

pwm RGB渐变代码

//p;   
  
/* Includes ------------------------------------------------------------------*/  
#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include <stdio.h>  
#define VREF 3.3  
  
GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  
  
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); 
*/  
    SystemInit();  
    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_SetBits(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);  
      RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
}   
  
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_50MHz;  
    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);  
  
  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);  
}  
  
  
void PWM_Config()  
{uint16_t PrescalerValue = 0;  
    TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;  
    /* TIM2 clock enable */  
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
  /* GPIOA  enable */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO  , ENABLE);  
      
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
        TIM_Cmd(TIM2, ENABLE);  
      /* Compute the prescaler value */  
  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;  
  /* Time base configuration */  
  TIM_TimeBaseStructure.TIM_Period = 0x07FF;  
  TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;  
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;  
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;  
  /* PWM1 Mode configuration: Channel2 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);  
    /* PWM1 Mode configuration: Channel3 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);  
    /* PWM1 Mode configuration: Channel4 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC4Init(TIM2, &TIM_OCInitStructure);  
  TIM_ARRPreloadConfig(TIM2, ENABLE);  
}  
  
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 PWM_TEST()  
{ unsigned int temp0=0,temp1=0,temp2=0;  
    printf("PWM-RGB TEST......\r\n");  
    while(1)  
    {  
            
          
        for(temp0=0;temp0<800;temp0++)  
        {  
        TIM_SetCompare2(TIM2, temp0);  
            delay_us(500);  
        }  
    if (temp0>=1500)  
    {  
        delay_ms(500);  
        temp0=0;  
      
  }  
      
    for(temp1=1;temp1<1800;temp1++)  
        {  
        TIM_SetCompare3(TIM2, temp1);  
            delay_us(500);  
        }  
    if (temp1>=1600)  
    {  
        delay_ms(500);  
        temp1=0;  
      
  }  
  
  
        for(temp2=0;temp2<1800;temp2++)  
        {  
        TIM_SetCompare4(TIM2, temp2);  
            delay_us(1000);  
        }  
    if (temp2>=1600)  
    {  
        delay_ms(1000);  
        temp2=0;  
      
  }  
          
    for(temp0=0,temp1=0;temp0<1500||temp1<1500;temp0++,temp1++)  
        {  
          TIM_SetCompare2(TIM2, temp0);  
                TIM_SetCompare3(TIM2, temp1);  
            delay_us(1000);}  
    if (temp0>=2000)  
    {  
        delay_ms(300);  
        temp0=0;  
  }  
    if (temp1>=2000)  
    {  
        delay_ms(200);  
        temp1=0;  
      
  }  
      
    for(temp0=0,temp2=0;temp0<1000||temp2<1000;temp0++,temp2++)  
        {  
          TIM_SetCompare2(TIM2, temp0);  
                TIM_SetCompare4(TIM2, temp2);  
            delay_us(2000);}  
    if (temp0>=2000)  
    {  
        delay_ms(500);  
        temp0=0;  
  }  
    if (temp2>=1800)  
    {  
        delay_ms(500);  
        temp2=0;  
      
  }  
    for(temp1=0,temp2=0;temp1<1900||temp2<1900;temp1++,temp2++)  
        {  
          TIM_SetCompare3(TIM2, temp1);  
                TIM_SetCompare4(TIM2, temp2);  
            delay_us(2000);}  
    if (temp1>=2000)  
    {  
        delay_ms(500);  
        temp1=0;  
  }  
    if (temp2>=2000)  
    {  
        delay_ms(2000);  
        temp2=0;  
      
  }  
      
    for(temp0=0,temp1=0,temp2=0;temp0<1500||temp1<1500||temp2<1500;temp0++,temp1++,temp2++)  
        {  
          TIM_SetCompare3(TIM2, temp1);  
             TIM_SetCompare2(TIM2, temp0);  
                TIM_SetCompare4(TIM2, temp2);  
            delay_us(700);}  
            if (temp0>=2000)  
    {  
        delay_ms(1500);  
        temp0=0;  
  }  
    if (temp1>=2000)  
    {  
        delay_ms(500);  
        temp1=0;  
  }  
    if (temp2>=1400)  
    {  
        delay_ms(500);  
        temp2=0;  
      
  }  
  
    
 }  
  
}  
  
  
  
  
int main(void)  
{  
          
   
  RCC_Configuration();  
USART_int(115200);  
      
    printf(" config done...\r\n");  
    PWM_Config();  
    delay_ms(700);  
    while(1)  
    {  
        PWM_TEST();  
    }  
}  
  
  
  
#ifdef  USE_FULL_ASSERT  
  
  
void assert_failed(uint8_t* file, uint32_t line)  
{   
   
  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  
  
  
void assert_failed(uint8_t* file, uint32_t line)  
{   
   
  while (1)  
  {  
  }  
}  
  
#endif  
  
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

评论

学渣求帮助09

菜鸟

2014-12-05 00:07:57 打赏

19楼

PWM RGB渐变视频密码09

视频地址：http://player.youku.com/player.php/sid/XODQxNzI5NzQ4/v.swf

评论

高工

2014-12-08 21:09:11 打赏

20楼

都喜欢大半夜码code啊

整点注释

评论

共35条 2/4 ‹ 1 2 3 4 › 跳转至页

回复

有奖活动
【有奖活动】分享技术经验，兑换京东卡
话不多说，快进群！
请大声喊出：我要开发板！
【有奖活动】EEPW网站征稿正在进行时，欢迎踊跃投稿啦
奖！发布技术笔记，技术评测贴换取您心仪的礼品
打赏了！打赏了！打赏了！

打赏帖
【STM32H7S78-DK评测】LVGL适配之GuiGuider被打赏50分
【STM32H7S78-DK评测】LVGL适配之触摸输入被打赏50分
【STM32H7S78-DK评测】LVGL适配之LCD显示被打赏50分
分享技术笔记六被打赏50分
【开发板试用-NUCLEO-U575ZI-Q】定时器中断实现板载LED点亮被打赏50分
分享技术笔记五被打赏50分
【STM32H7S78-DK评测】LTDC Color Key功能验证被打赏50分
请大声喊出：我要开发板！---使用esp32驱动AD7606C-18被打赏50分
分享技术笔记四被打赏50分
【STM32H7S78-DK评测】LCD显示功能配置被打赏50分

热门分类
STM32	MCU
通讯及无线技术	物联网技术
电子DIY	板卡试用
基础知识	软件与操作系统
我爱生活	小e食堂