EEPW论坛

首页

板卡试用 STM32 国产MCU 电源与模拟物联网技术基础知识

OpenVINO生态社区 Xilinx STM32 GD32 ADI TI Linear Microchip Renesas Cypress Mouser Burnon

液体流量检测仪电子测光表墨水屏/贪吃蛇手势翻页笔我的四轴 DIY 键盘 DIY 树莓派DIY 功放 DIY 3D打印 DIY 智能车DIY LightCube DIY QuadCopter DIY 51 DIY MCU DIY FPGA DIY

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 » 37号的作业【I2C按键计数断电数据不丢失】

共18条 2/2 ‹ 1 2 跳转至页

菜鸟

2014-12-24 17:56:59 打赏

11楼

#include "stm32f10x.h"
#include "stm32_eval.h"
//#include "delay.h"
#include <stdio.h>
volatile int flag;
#define Set_B20()	 GPIO_SetBits(GPIOC, GPIO_Pin_12)
#define Reset_B20()	 GPIO_ResetBits(GPIOC, GPIO_Pin_12)
#define Read_B20()	 GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12)
unsigned char Error_Flag=0;
unsigned char zf=0;
unsigned char ID[8];
void SysTick_Configuration(void)
{
  /* Setup SysTick Timer for 10 msec interrupts  */
  if (SysTick_Config(48000))                //SysTick配置
  { 
    /* Capture error */ 
    while (1);
  }  
 /* Configure the SysTick handler priority */
  NVIC_SetPriority(SysTick_IRQn, 0x0);                       //SysTick中断优先级
}


/** @addtogroup STM32F10x_StdPeriph_Examples
  * @{
  */

/** @addtogroup EXTI_Config
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef   GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;

void RCC_Configuration(void)  
{  
  RCC_DeInit(); 		//将外设RCC寄存器重设为缺省值
  RCC_HSICmd(ENABLE);			//使能内部高速晶振HSI  
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);  
    
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);   
    
  RCC_HSEConfig(RCC_HSE_OFF);    //关闭外部高速晶振
  RCC_LSEConfig(RCC_LSE_OFF);    //关闭外部低速晶振
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_6);     // 8*6=48M赫兹  
  RCC_PLLCmd(ENABLE);            //使能
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); 		//检查指定的RCC标志位(PLL准备好标志位)设置与否
  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);    // 	0x08:PLL作为系统时钟
//  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);
  /* 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);
}
/*延时函数*/
void delay_18b20(u32 nus)
{
	u16 i;
	while(nus--)
		for(i=12;i>0;i--);
}

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 Init18B20(void)//18B20 初始化
{
   u8 aa=0;
   u8 count =0;
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);//使能
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
  GPIO_Init(GPIOC, &GPIO_InitStructure);
   Set_B20() ;  //置高电平
   delay_18b20(1);
   Reset_B20();//置低电平

   delay_18b20(480);
   Set_B20();
//	delay_18b20(500);
   delay_18b20(480);

	count=0;
	aa=Read_B20();     //读数据
    while(!aa && count<100)	 
   {
   	aa=Read_B20();
	count++;
   }
   if(count>=99)
   		Error_Flag=1;
	else
		Error_Flag=0;
   
}
  
unsigned char Read18B20(void)
{  
unsigned char i=0;
unsigned char date=0;
u8 tempp;
   for(i=8;i>0;i--)
   {

   Reset_B20();
   date>>=1;      //从高位右移1位
   delay_18b20(1);
   Set_B20();     //置高电平
    delay_18b20(1);
   tempp=Read_B20();

   if(tempp)
   		date|=0x80;   //
	delay_18b20(60);
	}
	return(date);
}
void Write18B20(unsigned char date)
{
	unsigned char i=0;

	for (i=8; i>0; i--)
	{
		Reset_B20(); 
		delay_18b20(1); 		
		if(date & 0x01)			
		{	
			Set_B20();
		}
		else
		{	Reset_B20();}
		delay_18b20(60);
		date>>=1; 	 
		 Set_B20();
		 delay_18b20(1);
			
	}
	delay_18b20(15);
}

 float Read_T()		//读温度
{	
		unsigned char TUp,TDown;
	unsigned char fTemp;
	u8 TT=0;

	 float Temp = 0;
	Init18B20();
	Write18B20(0xcc); 	  
	Write18B20(0x44); 	 
	Init18B20();
	Write18B20(0xcc); 	
	Write18B20(0xbe); 	
	TDown = Read18B20();   	
	TUp = Read18B20();   	
	
	if(TUp>0x7f)      
	{
		TDown=~TDown;  
		TUp=~TUp+1; 
		TUp/=8;		     
		zf=1;         
 	}
	else
		zf=0;	  

	fTemp=TDown&0x0f;		
	TUp<<=4;
	TDown>>=4;
	TT=TUp|TDown;
	Temp=TT+(float)fTemp/16;		
	return(Temp);
}
                                 
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 */
	int i=0;
  RCC_Configuration();
  USART_int(115200);
	SysTick_Configuration();
	Init18B20();     			//18B20初始化
	Write18B20(0x33);     //
  for(;i<8;i++)  
  {  
        ID[i]=Read18B20();   //读取18b20的地址放到数组中 
  }  
	printf(" config done...\r\n");
	delay_ms(1000);
	while(1)
	{  flag++;
		if(flag==300)   //每300ms读一次序列号
		{ 
			printf("The ID is:\n");
			 for(;i<8;i++)  
        {  
            printf("%x",ID[i]);  
        } 
     printf("\n");				
    }
		
		if(flag == 500){     //每500 ms读一次温度
			printf("The Temperature is:%f\r\n",Read_T());//输出温度
			printf("\r\n");
			flag=0;
}
	}
}



#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

菜鸟

2014-12-25 11:36:48 打赏

12楼

#include "stm32f10x.h"
#include "stm32_eval.h"
//#include "delay.h"
#include <stdio.h>
#define VREF 3.3
/** @addtogroup STM32F10x_StdPeriph_Examples
  * @{
  */

/** @addtogroup EXTI_Config
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef   GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;

void RCC_Configuration(void)
{
	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_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 delay_us(u32 n)//?óê±oˉêyμ?éù?÷ 1us   
{  
    u8 j;  
    while(n--)  
    for(j=0;j<10;j++);  
}  	
void delay_ms(u32 n)
{  
  while(n--)  
    delay_us(1000);
}

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;//????????1  
  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 ADC_CONFIG(){
	ADC_InitTypeDef ADC_InitStructure;
	#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
  /* ADCCLK = PCLK2/2 */
  RCC_ADCCLKConfig(RCC_PCLK2_Div2); 
#else
  /* ADCCLK = PCLK2/4 */
  RCC_ADCCLKConfig(RCC_PCLK2_Div4); 
#endif
ADC_DeInit(ADC1);
  /* Enable ADC1 and GPIOC clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOB, ENABLE);
	
	/* Configure PB0 (ADC Channel14) as analog input -------------------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
	
  
  /* ADC1 configuration ------------------------------------------------------*/
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfChannel = 1;
  ADC_Init(ADC1, &ADC_InitStructure);


  /* Enable ADC1 DMA */
  ADC_DMACmd(ADC1, ENABLE);
  
  /* Enable ADC1 */
  ADC_Cmd(ADC1, ENABLE);

}

int Get_ADC(){
	 /* ADC1 regular channel configuration */ 
  ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5);
	/* Enable ADC1 reset calibration register */   
  ADC_ResetCalibration(ADC1);
  /* Check the end of ADC1 reset calibration register */
  while(ADC_GetResetCalibrationStatus(ADC1));

  /* Start ADC1 calibration */
  ADC_StartCalibration(ADC1);
  /* Check the end of ADC1 calibration */
  while(ADC_GetCalibrationStatus(ADC1));
     
  /* Start ADC1 Software Conversion */ 
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);
	
	return ADC_GetConversionValue(ADC1);
}

/*void PWM_TEST()  
{ unsigned int temp0=0,temp1=0,temp2=0,i=0;  
    printf("PWM-RGB TEST......\r\n");  
    
    for(;i<200;i++)//?  
        {  
          TIM_SetCompare2(TIM2, temp0);  
            TIM_SetCompare3(TIM2, temp1);  
            TIM_SetCompare4(TIM2, temp2);  
            temp0=2310,temp1=790,temp2=140;  
  }  
    delay_ms(500); 
    
}*/


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

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{float Volt=0.00;
	int ADValue = 0;
		
  /*!< 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 */
  RCC_Configuration();
USART_int(115200);
	ADC_CONFIG();
	printf(" config done...\r\n");
	Get_ADC();
	delay_ms(1000);
	while(1)
	{ unsigned int temp0=0,temp1=0,temp2=0,i;  
    printf("PWM-RGB TEST......\r\n");  

    delay_ms(500);
    i =	ADValue;	
		ADValue = Get_ADC();
		Volt = VREF*ADValue/4095;
		printf("===============================\r\n");
		printf("The ADC value is:%d\r\n",ADValue);
		printf("The Volt is:%f V\r\n",Volt);
		        TIM_SetCompare2(TIM2, temp0);  
            TIM_SetCompare3(TIM2, temp1);  
            TIM_SetCompare4(TIM2, temp2);
     		
    if(i != ADValue ){
       temp0=ADValue-1000;
			temp1=ADValue/2-500;
			temp2=ADValue/100;
			}		
			delay_ms(500);	
	}
}


#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****/
(12)********************************************************************************************ADC
/** 
  ****************************************************************************** 
  * @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 "delay.h"  
#include <stdio.h>  
#define VREF 3.3  
/** @addtogroup STM32F10x_StdPeriph_Examples 
  * @{ 
  */  
  
/** @addtogroup EXTI_Config 
  * @{ 
  */   
  
/* Private typedef -----------------------------------------------------------*/  
/* Private define ------------------------------------------------------------*/  
/* Private macro -------------------------------------------------------------*/  
/* Private variables ---------------------------------------------------------*/  
GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  
  
void RCC_Configuration(void)  
{  
    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 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 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);  
    /* 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 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;//????????1  
  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 ADC_CONFIG(){
	ADC_InitTypeDef ADC_InitStructure;
	#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
  /* ADCCLK = PCLK2/2 */
  RCC_ADCCLKConfig(RCC_PCLK2_Div2); 
#else
  /* ADCCLK = PCLK2/4 */
  RCC_ADCCLKConfig(RCC_PCLK2_Div4); 
#endif
ADC_DeInit(ADC1);
  /* Enable ADC1 and GPIOC clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOB, ENABLE);
	
	/* Configure PB0 (ADC Channel14) as analog input -------------------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
	
  
  /* ADC1 configuration ------------------------------------------------------*/
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfChannel = 1;
  ADC_Init(ADC1, &ADC_InitStructure);


  /* Enable ADC1 DMA */
  ADC_DMACmd(ADC1, ENABLE);
  
  /* Enable ADC1 */
  ADC_Cmd(ADC1, ENABLE);

}

int Get_ADC(){
	 /* ADC1 regular channel configuration */ 
  ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5);
	/* Enable ADC1 reset calibration register */   
  ADC_ResetCalibration(ADC1);
  /* Check the end of ADC1 reset calibration register */
  while(ADC_GetResetCalibrationStatus(ADC1));

  /* Start ADC1 calibration */
  ADC_StartCalibration(ADC1);
  /* Check the end of ADC1 calibration */
  while(ADC_GetCalibrationStatus(ADC1));
     
  /* Start ADC1 Software Conversion */ 
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);
	
	return ADC_GetConversionValue(ADC1);
}

/*void PWM_TEST()  
{ unsigned int temp0=0,temp1=0,temp2=0,i=0;  
    printf("PWM-RGB TEST......\r\n");  
    
    for(;i<200;i++)//?  
        {  
          TIM_SetCompare2(TIM2, temp0);  
            TIM_SetCompare3(TIM2, temp1);  
            TIM_SetCompare4(TIM2, temp2);  
            temp0=2310,temp1=790,temp2=140;  
  }  
    delay_ms(500); 
    
}*/


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

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{float Volt=0.00;
	int ADValue = 0;
		 unsigned int temp0=0,temp1=0,temp2=0,i;  
  /*!< 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 */
  RCC_Configuration();
USART_int(115200);
	PWM_Config();
	ADC_CONFIG();
	printf(" config done...\r\n");
	Get_ADC();
	delay_ms(1000);
	while(1)
	{
    printf("PWM-RGB TEST......\r\n");  

    delay_ms(500);
    i =	ADValue;	
		ADValue = Get_ADC();
		Volt = VREF*ADValue/4095;
		printf("===============================\r\n");
		printf("The ADC value is:%d\r\n",ADValue);
		printf("The Volt is:%f V\r\n",Volt);
		if(i != ADValue ){
       temp0=(ADValue-2000);
			temp1=ADValue-500;
			temp2=ADValue/1000;
			}		
		        TIM_SetCompare2(TIM2, temp0);  
            TIM_SetCompare3(TIM2, temp1);  
            TIM_SetCompare4(TIM2, temp2);
     		
    
			delay_ms(500);	
	}
}


#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

菜鸟

2014-12-25 12:47:21 打赏

13楼

视频地址：http://player.youku.com/player.php/sid/XODU2MzIyMzQ0/v.swf

评论

菜鸟

2014-12-25 17:04:00 打赏

14楼

#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include <stdio.h>      
#define VREF 3.3  
unsigned char i=0;  
void EXTIkeyS1_Config(void);  
/** @addtogroup STM32F10x_StdPeriph_Examples 
  * @{ 
  */  
  
/** @addtogroup EXTI_Config 
  * @{ 
  */   
  
/* Private typedef -----------------------------------------------------------*/  
/* Private define ------------------------------------------------------------*/  
/* Private macro -------------------------------------------------------------*/  
/* Private variables ---------------------------------------------------------*/  
GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  
EXTI_InitTypeDef   EXTI_InitStructure;  
NVIC_InitTypeDef   NVIC_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  
  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_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);  
  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 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);  
    /* 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 Iic1_Init(void)  
{  
        GPIO_InitTypeDef GPIO_InitStructure;  
        I2C_InitTypeDef I2C_InitStructure;  
          
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);  
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);  
        //PB6-I2C2_SCL PB7-I2C2_SDA PB10-I2C2_SCL PB11-I2C2_SDA  
        /* Configure IO connected to IIC*********************/  
        GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_10 | GPIO_Pin_11;  
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;  
        GPIO_Init(GPIOB, &GPIO_InitStructure);  
          
        I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;  
        I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;  
        I2C_InitStructure.I2C_OwnAddress1 = 0xA0;  
        I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;  
        I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;  
        I2C_InitStructure.I2C_ClockSpeed = 400000;         
        I2C_Cmd(I2C2, ENABLE);     
        I2C_Init(I2C2, &I2C_InitStructure);  
        I2C_AcknowledgeConfig(I2C2, 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 shuju(unsigned char k)//显示0~9个数
{   
 if(k==0){GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8);} 
 if(k==1){GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);}
 if(k==2){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);}
 if(k==3){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);}
 if(k==4){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);}
 if(k==5){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);}
 if(k==6){GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8|GPIO_Pin_5);}
 if(k==7){GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12); }
 if(k==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);}
 if(k==9){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);} 
}
void Data(unsigned char i){//依按键按下的次数显示出数字
	char h=0;
	for(;h<100;h--){
          GPIO_SetBits(GPIOB,GPIO_Pin_1);
			      shuju(i%10);
	             delay_ms(10);
			     GPIO_ResetBits(GPIOB,GPIO_Pin_1);
			     GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
		       GPIO_SetBits(GPIOB,GPIO_Pin_15);
	           shuju(i/10);
	             delay_ms(10);
				   GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		       GPIO_SetBits(GPIOB,GPIO_Pin_5|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)){break;}
    }	
}
  
void EXTIkeyS1_Config(void)  
{  
  /* Enable GPIOA clock */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  
    
  /* Configure PA.00 pin as input floating */  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;  
  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_PinSource8);  
  
  /* Configure EXTI0 line */  
  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);  
  
  /* Enable and set EXTI0 Interrupt to the lowest priority */  
  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);  
}  
  
/**********************************************************************/  
/*IIC?????                                                                               */  
/*                                                                                                                                          */  
/**********************************************************************/  
void I2C2_WriteByte(unsigned char id,unsigned char write_address,unsigned char byte)  
{  
        while(I2C_GetFlagStatus(I2C2, I2C_FLAG_BUSY));  
        I2C_GenerateSTART(I2C2,ENABLE);  
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT));  
        I2C_Send7bitAddress(I2C2,id,I2C_Direction_Transmitter);  
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));  
        I2C_SendData(I2C2, write_address);  
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED));  
        I2C_SendData(I2C2, byte);  
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED));  
        I2C_GenerateSTOP(I2C2, ENABLE);  
  
        do  
        {                  
                /* Send START condition */  
                I2C_GenerateSTART(I2C2, ENABLE);  
                /* Read I2C2 SR1 register */  
                /* Send EEPROM address for write */  
                I2C_Send7bitAddress(I2C2, 0xA0, I2C_Direction_Transmitter);  
        }while(!(I2C_ReadRegister(I2C2, I2C_Register_SR1) & 0x0002));  
  
        /* Clear AF flag */  
        I2C_ClearFlag(I2C2, I2C_FLAG_AF);  
        /* STOP condition */      
        I2C_GenerateSTOP(I2C2, ENABLE);    
}  
  
  
unsigned char I2C2_ReadByte(unsigned char  id, unsigned char read_address)  
{    
    unsigned char temp;           
    while(I2C_GetFlagStatus(I2C2, I2C_FLAG_BUSY)){}  
    I2C_GenerateSTART(I2C2, ENABLE);  
    while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT));  
    I2C_Send7bitAddress(I2C2, id, I2C_Direction_Transmitter);  
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));  
    I2C_Cmd(I2C2, ENABLE);  
    I2C_SendData(I2C2, read_address);    
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED));  
    I2C_GenerateSTART(I2C2, ENABLE);  
    while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT));  
    I2C_Send7bitAddress(I2C2, id, I2C_Direction_Receiver);  
    while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));  
    I2C_AcknowledgeConfig(I2C2, DISABLE);  
    I2C_GenerateSTOP(I2C2, ENABLE);  
    while(!(I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_RECEIVED)));  
             
    temp = I2C_ReceiveData(I2C2);    
    I2C_AcknowledgeConfig(I2C2, ENABLE);  
    return temp;  
}  
  
/* Private functions ---------------------------------------------------------*/  
  
/** 
  * @brief  Main program. 
  * @param  None 
  * @retval None 
  */  
int main(void)  
{    
  /* System Clocks Configuration */  
  RCC_Configuration();   
    USART_int(115200);    
    Iic1_Init();  
  EXTIkeyS1_Config();     
    printf(" config done...\r\n");  
    delay_ms(1000);  
    while(1)  
    {  
         i=I2C2_ReadByte(0xA0,0);     
     Data(i);
     if(i==99){i=0;}			
    }  
}         
  
void EXTI9_5_IRQHandler(void)  
{  
    if(EXTI_GetITStatus(EXTI_Line8) != RESET)  
  {  
        i++;  
        I2C2_WriteByte(0xA0,0,i);  
    EXTI_ClearITPendingBit(EXTI_Line8);  
  }  
}  
      
#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

菜鸟

2014-12-25 17:20:10 打赏

15楼

视频地址：http://player.youku.com/player.php/sid/XODU2NTU0NzQ0/v.swf

评论

菜鸟

2014-12-25 18:47:33 打赏

16楼

视频地址：http://player.youku.com/player.php/sid/XODU2NjU5Mzk2/v.swf

#include "stm32f10x.h"  
#include "misc.h"  
  
void RCC_Configuration(void);  
void NVIC_Configuration(void);  
void GPIO_Configuration(void);  
void TIM2_Configuration(void);  
void TIM3_Configuration(void);    
  
int main(void)  
{  
 RCC_Configuration();  
 NVIC_Configuration();  
 GPIO_Configuration();  
 TIM2_Configuration();  
 TIM3_Configuration();   
 while (1) {  
    
 }  
}  
  
void TIM2_Configuration(void)  
{  
    /*?0.5s????????(????????) */  
 TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
 TIM_TimeBaseStructure.TIM_Period = 17999;   
 TIM_TimeBaseStructure.TIM_Prescaler = 1999;  
 TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
 TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
 TIM_ClearFlag(TIM2, TIM_FLAG_Update);  
 TIM_ARRPreloadConfig(TIM2, DISABLE);  
 TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);      
 TIM_Cmd(TIM2, ENABLE);  
}  
void TIM3_Configuration(void)  
{  
    /*?1s????????(????????)*/  
 TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
 TIM_TimeBaseStructure.TIM_Period = 35999;   
 TIM_TimeBaseStructure.TIM_Prescaler = 1999;  
 TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//????  
 TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);//???  
 TIM_ClearFlag(TIM3, TIM_FLAG_Update);//???????    
 TIM_ARRPreloadConfig(TIM3, DISABLE);//?????????????????????  
 TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);//?????     
 TIM_Cmd(TIM3, ENABLE);//??  
}   
  
void RCC_Configuration(void)  
{  
  GPIO_InitTypeDef   GPIO_InitStructure;  
  SystemInit();  
   
 /* TIM3 clock enable */  
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2|RCC_APB1Periph_TIM3|RCC_APB1Periph_TIM7, ENABLE);  
   
 /* GPIOC clock enable */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  
   
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);//??PD??,??IO??  
  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 NVIC_Configuration(void)  
{  
 NVIC_InitTypeDef NVIC_InitStructure;  
 /* Enable the TIM2 gloabal Interrupt*/  
 NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;  
 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  
 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;    
 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
 NVIC_Init(&NVIC_InitStructure);  
      
    /* Enable the TIM3 gloabal Interrupt*/  
 NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;  
 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  
 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;    
 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
 NVIC_Init(&NVIC_InitStructure);  
}  
  
void GPIO_Configuration(void)  
{  
 GPIO_InitTypeDef GPIO_InitStructure;  
  
 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_Mode = GPIO_Mode_Out_PP;  
 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
 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);	
}  
#include "stm32f10x_it.h"  
  
void TIM2_IRQHandler(void)  
{  
 if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) {  
  /* Clear TIM2 update interrupt */  
  TIM_ClearITPendingBit(TIM2, TIM_IT_Update);  
  GPIO_WriteBit(GPIOC, GPIO_Pin_3|GPIO_Pin_7, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOC, GPIO_Pin_3|GPIO_Pin_7)));  
 }  
}  
 void TIM3_IRQHandler(void)  
{  
 if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) {  
  /* Clear TIM3 update interrupt */  
  TIM_ClearITPendingBit(TIM3, TIM_IT_Update);  
  GPIO_WriteBit(GPIOC, GPIO_Pin_2|GPIO_Pin_6, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOC, GPIO_Pin_2|GPIO_Pin_6)));  
 }  
}

评论

菜鸟

2014-12-25 22:13:05 打赏

17楼

#include "stm32f10x.h"
#include "stm32_eval.h"

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
	GPIO_InitTypeDef GPIO_InitStructure;
	void RCC_Configuration(void)//RCC时钟配置函数    
{  
  RCC_DeInit(); //复位外设RCC中所有寄存器的值为默认值 
      
  RCC_HSICmd(ENABLE);//使能外设RCC   
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);//判断RCC的标志位是否被RESET  
    
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);//配置系统的嘀嗒时钟函数  
    
  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);//ADC速率为RCC_PCLK2/4   
  RCC_PCLK2Config(RCC_HCLK_Div1);  
  RCC_PCLK1Config(RCC_HCLK_Div2);  
  RCC_HCLKConfig(RCC_SYSCLK_Div1);  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);  
  while(RCC_GetSYSCLKSource() != 0x08);//关闭蜂鸣器 
  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速率   
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;//GPIO输出模式   
  GPIO_Init(GPIOD, &GPIO_InitStructure);//应用结构体的成员  
    GPIO_ResetBits(GPIOD,GPIO_Pin_2);//重置GPIOD 
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
	  GPIO_Init(GPIOC, &GPIO_InitStructure);
  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_10|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);
	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);		
}  
void delay_us(u32 n)//延时函数的声明 1us   
{  
    u8 j;  
    while(n--)  
    for(j=0;j<10;j++);  
}  	
void delay_ms(u32 n)
{  
  while(n--)  
    delay_us(1000);
}
void shuju(int k)//显示0~9个数
{   
 if(k==0){GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8);} 
 if(k==1){GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);}
 if(k==2){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_13|GPIO_Pin_14);}
 if(k==3){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);}
 if(k==4){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12);}
 if(k==5){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_12|GPIO_Pin_14);}
 if(k==6){GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8|GPIO_Pin_5);}
 if(k==7){GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12); }
 if(k==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);}
 if(k==9){GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);} 
}
void Data(char i){//依按键按下的次数显示出数字
    char h=0;
	  for(;h<100;h--){
          GPIO_SetBits(GPIOB,GPIO_Pin_1);
			      shuju(i%10);
	             delay_ms(10);
			     GPIO_ResetBits(GPIOB,GPIO_Pin_1);
			     GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
		       GPIO_SetBits(GPIOB,GPIO_Pin_15);
	           shuju(i/10);
	             delay_ms(10);
				   GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		       GPIO_SetBits(GPIOB,GPIO_Pin_5|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)){break;}
    }	
	 }
int main(void)
{
  char i=0,g=0,f=0;
	RCC_Configuration();

 while(1)
	 {
    if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_10))//按键S3是否按下
	   { 
			 delay_ms(50);
       if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_10)){f++;}}//如S3已按下，则f+1
			 if(f%2==0){//判断S3按下是偶次时对S1按下的次数计数
				 if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8))
      {delay_ms(50);
         if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)){i++;}
           GPIO_ResetBits(GPIOB,GPIO_Pin_15);
					 GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		    GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
        Data(i);//调用Data函数
	      }
       }
			 if(f%2==1){//判断S3按下是奇次时对S2按下的次数计数
       if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9))
      {delay_ms(50);
         if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9)){g++;}
			 GPIO_ResetBits(GPIOB,GPIO_Pin_1);
			 GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		   GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
			 Data(g);//调用Data函数
			 }
    }
  }
}

评论

菜鸟

2014-12-25 22:50:11 打赏

18楼

#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include <stdio.h>  
#include "spi_flash.h"  
#define VREF 3.3  
  
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);  
}  
  
  
#define TxBufferSize1   (countof(TxBuffer1) - 1)  
#define RxBufferSize1   (countof(TxBuffer1) - 1)  
#define countof(a)      (sizeof(a) / sizeof(*(a)))  
#define  BufferSize (countof(Tx_Buffer)-1)  
typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus;  
#define  FLASH_WriteAddress     0x00000  
#define  FLASH_ReadAddress      FLASH_WriteAddress  
#define  FLASH_SectorToErase    FLASH_WriteAddress  
#define  sFLASH_ID              0xEF3015     //W25X16  
//#define  sFLASH_ID              0xEF4015   //W25Q16  
#define buff_size  16;       
char rx_buff[],rx_buff_count=0;  
/* ???????? */  
uint8_t Tx_Buffer[4096] ;  
uint8_t Rx_Buffer[BufferSize];  
__IO uint32_t DeviceID = 0;  
__IO uint32_t FlashID = 0;  
__IO TestStatus TransferStatus1 = FAILED;  
  
// ??????  
void Delay(__IO uint32_t nCount);  
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);  
  
/** @addtogroup STM32F10x_StdPeriph_Examples 
  * @{ 
  */  
  
/** @addtogroup EXTI_Config 
  * @{ 
  */   
  
/* Private typedef -----------------------------------------------------------*/  
/* Private define ------------------------------------------------------------*/  
/* Private macro -------------------------------------------------------------*/  
/* Private variables ---------------------------------------------------------*/  
GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  
  
char *int_to_string(int number,char *strnum)//整形数据转换为字符型  
{  
int j=0,i=0,n=0;  
char temp;  
while(number>0)  
{  
*(strnum+j)=number%10+48;  
j++;  
number=number/10;  
n++;  
}  
  
      
for(i=0;i<n/2;i++)  
{  
temp=*(strnum+j+i-n);  
*(strnum+j+i-n)=*(strnum+j-i-1);  
*(strnum+j-i-1)=temp;  
}  
strnum[n]='\0';  
return strnum;  
}  
  
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);  
  /* 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);  
}  
  
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)  
{  
  while(BufferLength--)  
  {  
    if(*pBuffer1 != *pBuffer2)  
    {  
      return FAILED;  
    }  
  
    pBuffer1++;  
    pBuffer2++;  
  }  
  return PASSED;  
}  
  
void Delay(__IO uint32_t nCount)  
{  
  for(; nCount != 0; nCount--);  
}  
  
void ADC_CONFIG(){  
    ADC_InitTypeDef ADC_InitStructure;  
    #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)  
  /* ADCCLK = PCLK2/2 */  
  RCC_ADCCLKConfig(RCC_PCLK2_Div2);   
#else  
  /* ADCCLK = PCLK2/4 */  
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);   
#endif  
ADC_DeInit(ADC1);  
  /* Enable ADC1 and GPIOC clock */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOB, ENABLE);  
      
    /* Configure PB0 (ADC Channel14) as analog input -------------------------*/  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;  
  GPIO_Init(GPIOB, &GPIO_InitStructure);  
      
    
  /* ADC1 configuration ------------------------------------------------------*/  
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;  
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;  
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;  
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;  
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;  
  ADC_InitStructure.ADC_NbrOfChannel = 1;  
  ADC_Init(ADC1, &ADC_InitStructure);  
  
  
  /* Enable ADC1 DMA */  
  ADC_DMACmd(ADC1, ENABLE);  
    
  /* Enable ADC1 */  
  ADC_Cmd(ADC1, ENABLE);  
  
}  
  
int Get_ADC(){  
     /* ADC1 regular channel configuration */   
  ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5);  
    /* Enable ADC1 reset calibration register */     
  ADC_ResetCalibration(ADC1);  
  /* Check the end of ADC1 reset calibration register */  
  while(ADC_GetResetCalibrationStatus(ADC1));  
  
  /* Start ADC1 calibration */  
  ADC_StartCalibration(ADC1);  
  /* Check the end of ADC1 calibration */  
  while(ADC_GetCalibrationStatus(ADC1));  
       
  /* Start ADC1 Software Conversion */   
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);  
      
    return ADC_GetConversionValue(ADC1);  
}  
  
  
void SPI_TEST()  
{  
    printf("\r\n这是一个2M SPI总线flash(W25X16)测试 \r\n");  
    SPI_FLASH_Init();  
    /* Get SPI Flash Device ID */  
    DeviceID = SPI_FLASH_ReadDeviceID();  
    Delay( 200 );  
    /* Get SPI Flash ID */  
    FlashID = SPI_FLASH_ReadID();  
    printf("\r\n FlashID is 0x%X,  Manufacturer Device ID is 0x%X\r\n", FlashID, DeviceID);  
    /* Check the SPI Flash ID */  
    if (FlashID == sFLASH_ID)  /* #define  sFLASH_ID  0xEF3015 */  
    {  
        printf("\r\n 检测到华邦flash W25X16 !\r\n");  
        /* Erase SPI FLASH Sector to write on */  
        SPI_FLASH_SectorErase(FLASH_SectorToErase);        
          
        /*写缓存并发送*/  
        SPI_FLASH_BufferWrite(Tx_Buffer, FLASH_WriteAddress, BufferSize);  
        printf("\r\n写入的数据是:%s \r\t", Tx_Buffer);  
          
        /* 读出刚才写入的数据*/  
        SPI_FLASH_BufferRead(Rx_Buffer, FLASH_ReadAddress, BufferSize);  
        printf("\r\n读出的数据是:%s \r\n", Rx_Buffer);  
          
        /* ????????????????? */  
        TransferStatus1 = Buffercmp(Tx_Buffer, Rx_Buffer, BufferSize);  
          
        if( PASSED == TransferStatus1 )  
        {      
            printf("\r\n 2M SPI总线flash(W25X16)测试成功!\n\r");  
        }  
        else  
        {          
            printf("\r\n 2M SPI总线flash(W25X16)测试失败!\n\r");  
        }  
    }// if (FlashID == sFLASH_ID)  
    else  
    {      
        printf("\r\n 未检测到 W25X16 ID!\n\r");  
    }  
      
    SPI_Flash_PowerDown();    
    printf("\r\n=================================================\n\r");  
}  
/* 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 */  
    int i=0;  
    int AD = 0;  
     char shuzu[100];  
  RCC_Configuration();  
  USART_int(115200);  
 printf(" config done...\r\n");  
    ADC_CONFIG();  
    delay_ms(1000);  
    while(1)  
    {  
          
        for(i=0;i<5;i++)  
        {   
              AD = Get_ADC();  
              int_to_string(AD,Buffer);  
            Tx_Buffer[i]=shuzu[i];  
    }  
      SPI_TEST();  
        delay_ms(1000);  
    }  
}  
  
  
  
  
#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

共18条 2/2 ‹ 1 2 跳转至页

回复

有奖活动
【EEPW电子工程师创研计划】技术变现通道已开启~
发原创文章【每月瓜分千元赏金凭实力攒钱买好礼~】
【EEPW在线】E起听工程师的声音！
“我踩过的那些坑”主题活动——第001期
高校联络员开始招募啦！有惊喜！！
【工程师专属福利】每天30秒，积分轻松拿！EEPW宠粉打卡计划启动！
送您一块开发板，2025年“我要开发板活动”又开始了！
打赏了！打赏了！打赏了！

打赏帖
多组DCTODC电源方案被打赏50分
【我踩过的那些坑】STM32cubeMX软件的使用过程中的“坑”被打赏50分
新手必看！C语言精华知识：表驱动法被打赏50分
【我踩过的那些坑】杜绑线问题被打赏50分
【我踩过的那些坑】STM32的硬件通讯调试过程的“坑”被打赏50分
【我踩过的那些坑】晶振使用的问题被打赏100分
【我踩过的那些坑】电感选型错误导致的处理器连接不上被打赏50分
【我踩过的那些坑】工作那些年踩过的记忆深刻的坑被打赏10分
【我踩过的那些坑】DRC使用位置错误导致的问题被打赏100分
我踩过的那些坑之混合OTL功放与落地音箱被打赏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

- 嵌入式开发: STM32

MCU

FPGA

软件与操作系统

RISC-V

国产MCU

- 综合技术: 电源与模拟

通讯及无线技术

工业控制与自动化

物联网技术

PCB与EMC

测试测量

智能新技术

基础知识

- DIY与开源设计: 电子DIY

开源硬件

设计工具

- 行业应用: 汽车电子

机器人开发

- 活动中心: 板卡试用

研讨会

下载专区

合作大赛

视频专区

有奖活动

- 高校专区: 毕业设计专区

竞赛辅导

坤创E-Geek/天科大新电社

漓东e学堂

周师电子设计创新社区

岭南EE码农港

湖北理工TEA

东师科技爱好者

- 休闲专区: 话题讨论

我爱工作

我爱生活

- 企业专区: OpenVINO生态社区

英飞凌

ADI

Xilinx

TI

Mouser

Microchip

贝能国际

Atmel

GD32

Linear

Renesas

Cypress

机智云Gizwits

Micron

- 论坛服务: 投诉与建议

论坛公告

—
—
—

版
块
导
航