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菜鸟

2014-11-27 13:25:59 打赏

31楼

手抖

评论

菜鸟

2014-12-04 14:32:06 打赏

32楼

#include "stm32f10x.h"
#include "stm32_eval.h"
#include 
GPIO_InitTypeDef   GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;

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 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);//蜂鸣器
	
  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);
   
    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;
  USART_InitStructure.USART_StopBits = USART_StopBits_1;
  USART_InitStructure.USART_Parity = USART_Parity_No;
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_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 PWM_TEST()
{ unsigned int temp0=0,temp1=0,temp2=0,i;

while(1){
   for(i=1;i<=7;i++)
    	{
	switch(i){
	 case 1:temp0=2047,temp1=1024,temp2=512;
	 TIM_SetCompare2(TIM2,temp0); delay_ms(200);
         TIM_SetCompare3(TIM2,temp1); delay_ms(200);
         TIM_SetCompare4(TIM2,temp2); delay_ms(200);break;
	
         case 2:temp0=2047,temp1=512,temp2=1024;
	 TIM_SetCompare2(TIM2,temp0); delay_ms(200);
         TIM_SetCompare3(TIM2,temp1); delay_ms(200);
         TIM_SetCompare4(TIM2,temp2); delay_ms(200);break;
	
         case 3:temp0=1024,temp1=2047,temp2=512;
	 TIM_SetCompare2(TIM2,temp0); delay_ms(200);
         TIM_SetCompare3(TIM2,temp1); delay_ms(200);
         TIM_SetCompare4(TIM2,temp2); delay_ms(200);break;
	
         case 4:temp0=1024,temp1=512,temp2=2047;
         TIM_SetCompare2(TIM2,temp0); delay_ms(200);
         TIM_SetCompare3(TIM2,temp1); delay_ms(200);
         TIM_SetCompare4(TIM2,temp2); delay_ms(200); break;
	
	case 5:temp0=512,temp1=2047,temp2=1024;
        TIM_SetCompare2(TIM2,temp0); delay_ms(200);
        TIM_SetCompare3(TIM2,temp1); delay_ms(200);
        TIM_SetCompare4(TIM2,temp2); delay_ms(200);break;
	
        case 6:temp0=512,temp1=1024,temp2=512;
	TIM_SetCompare2(TIM2,temp0); delay_ms(200);
        TIM_SetCompare3(TIM2,temp1); delay_ms(200);
        TIM_SetCompare4(TIM2,temp2); delay_ms(200);break;
	
        case 7:temp0=2047,temp1=2047,temp2=2047;
        TIM_SetCompare2(TIM2,temp0); delay_ms(200);
        TIM_SetCompare3(TIM2,temp1); delay_ms(200);
        TIM_SetCompare4(TIM2,temp2); delay_ms(200);break;
}
    }	
}

}

int main(void)
{ 
  RCC_Configuration();
  USART_int(115200);
	
	printf(" config done...\r\n");
	PWM_Config();
	delay_ms(1000);
	while(1)
	{
		PWM_TEST();
		
	}
}


#ifdef  USE_FULL_ASSERT

void assert_failed(uint8_t* file, uint32_t line)
{ 
  while (1)
  {
  }
}
#endif


#ifdef __GNUC__
  
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
  
PUTCHAR_PROTOTYPE
{
  USART_SendData(EVAL_COM1, (uint8_t) ch);
  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

评论

菜鸟

2014-12-15 22:43:38 打赏

33楼

pwm_rgb_adC

  
#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include   
#define VREF 3.3  

GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  

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 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;
  USART_InitStructure.USART_StopBits = USART_StopBits_1;
  USART_InitStructure.USART_Parity = USART_Parity_No;
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_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 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);//复位ADC1，重设外设ADC1寄存器  
  /* 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;//模拟输入引脚
  GPIO_Init(GPIOB, &GPIO_InitStructure);  
      
    
  /* ADC1 configuration ------------------------------------------------------*/  
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;//独立工作模式
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;//扫描方式
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//连续转换  
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;//外部触发禁止  
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//数据右对齐 
  ADC_InitStructure.ADC_NbrOfChannel = 1;//用于转换的通道数
  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);// 初始化第八通道
    /* 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 TEST()  
{   
    float Volt=0.00;  
    unsigned int temp0,temp1,temp2,ADValue = 0;  
    while(1){  
      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(ADValue>0)
			 {
				 temp0=ADValue/1024;
                 temp1=ADValue/502;
                 temp2=ADValue/1;
}
}          
}  
  
int main(void)
{  
    RCC_Configuration();  
    USART_int(115200);  
    ADC_CONFIG();  
    printf(" config done...\r\n");  
    Get_ADC();  
    PWM_Config();  
    delay_ms(200);  
    while(1)  
    {    
       TEST(); 
			 delay_ms(100); 
     }  
}  
  
  
  
#ifdef  USE_FULL_ASSERT  
  
void assert_failed(uint8_t* file, uint32_t line)  
{   
  while (1)  
  {  
  }  
}  
#endif  
  
  
#ifdef __GNUC__  
    
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)  
#else  
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)  
#endif /* __GNUC__ */  
    
PUTCHAR_PROTOTYPE  
{  
  USART_SendData(EVAL_COM1, (uint8_t) ch);  
  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

评论

菜鸟

2014-12-15 22:44:57 打赏

34楼

IIC计数

 
#include "stm32f10x.h"
#include "stm32_eval.h"
#include <stdio.h>
#define VREF 3.3
EXTI_InitTypeDef   EXTI_InitStructure;  
GPIO_InitTypeDef   GPIO_InitStructure;  
NVIC_InitTypeDef   NVIC_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;
unsigned char i=0;
unsigned char count=0;  

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);  
}  
int Display[10]={ GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8,  
                    GPIO_Pin_9|GPIO_Pin_12,  
                    GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_5,  
                  GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_5,  
                    GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_8|GPIO_Pin_5,  
                    GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_8|GPIO_Pin_5,  
                  GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8|GPIO_Pin_5,  
                    GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12,     
                  GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14,  
                    GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14 };  
   
void Dis_number(unsigned char i)  
{  
    char one=0,ten=0;     
    one=i%10; ten=i/10;    
    GPIO_SetBits(GPIOB,GPIO_Pin_1);     
    GPIO_ResetBits(GPIOB,Display[one]);     
    delay_ms(10);     
    GPIO_ResetBits(GPIOB,GPIO_Pin_1);     
    GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);  
                 
    GPIO_SetBits(GPIOB,GPIO_Pin_15);     
    GPIO_ResetBits(GPIOB,Display[ten]);       
    delay_ms(10);     
    GPIO_ResetBits(GPIOB,GPIO_Pin_15);     
    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 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);//蜂鸣器
	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_BaudRate = BaudRate;//usart传输波比特  
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//一帧传输或接收8bit  
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//在帧结尾传输1个停止位  
  USART_InitStructure.USART_Parity = USART_Parity_No;//奇偶失能  
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//硬件流控制失能  
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//接收使能，发送使能  
  USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;//时钟低电平活动          
  USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;//始终低电平         
  USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;//时钟第二边缘进行数据捕获             
  USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;//最后一位数据的时钟不从SCLK输出  
  USART_ClockInit(USART1, &USART_ClockInitStructure);//使能USART1时钟  
  USART_Init(USART1, &USART_InitStructure);//初始化USART1  
  USART_Cmd(USART1, ENABLE);//使能USART1外设  
  USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//使能中断  
  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);  
} 

void GPIO_INIT()  
{  
  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 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;//配置I2C模式
        I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;//该参数只有在I2C工作在快速模式下有意义
        I2C_InitStructure.I2C_OwnAddress1 = 0xA0;//设置第一个设备自身地址
        I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;//使能应答
        I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;//地址为7位
        I2C_InitStructure.I2C_ClockSpeed = 400000;//时钟速率 400KHZ   
        I2C_Cmd(I2C2, ENABLE);
        I2C_Init(I2C2, &I2C_InitStructure);
        I2C_AcknowledgeConfig(I2C2, ENABLE);    
}


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;
}

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);  
}

void EXTI9_5_IRQHandler(void)  //s1
{   
    if(EXTI_GetITStatus(EXTI_Line8) != RESET)  
  {  
     i++;		
     I2C2_WriteByte(0xA0,0,i);    
     EXTI_ClearITPendingBit(EXTI_Line8);  
	} 
}

int main(void)
{
  RCC_Configuration();
  USART_int(115200);
  GPIO_INIT(); 
	Iic1_Init();
	EXTIkeyS1_Config(); 
	printf(" config done...\r\n");
	delay_ms(1000);
	while(1)  
    {  
     count=I2C2_ReadByte(0xA0,0);     
     Dis_number(count);  
    }  
}

#ifdef  USE_FULL_ASSERT
void assert_failed(uint8_t* file, uint32_t line)
{ 
  while (1)
  {
  }
}

#endif
#ifdef __GNUC__
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */

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

菜鸟

2014-12-15 22:47:14 打赏

35楼

SPI_串口显示

#include <stm32f10x.h>   
#include "stm32_eval.h"    
  
#include <stdio.h>    
#include "spi_flash.h"    
#define VREF 3.3    
    
#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_count=0;    
    
uint8_t Tx_Buffer[4096] ;  //发送缓冲  
uint8_t Rx_Buffer[BufferSize];  //接受缓冲  
__IO uint32_t DeviceID = 0;  //装置ID  
__IO uint32_t FlashID = 0; //闪存ID   
__IO TestStatus TransferStatus1 = FAILED;  //状态测试  


/**************延时函数*******************/    
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 Delay(__IO uint32_t nCount);    
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);           
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_DeInit();//将RCC寄存器重设为缺省值       
  RCC_HSICmd(ENABLE);//使能内部高速晶振    
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);//HSI晶振返回reset    
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);//选择HSI作为系统时钟     
  RCC_HSEConfig(RCC_HSE_OFF);//HSE晶振关    
  RCC_LSEConfig(RCC_LSE_OFF);//LSE晶振关    
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz    
  RCC_PLLCmd(ENABLE);//使能PLL状态    
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);    
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);//ADC时钟=PCLK/4    
  RCC_PCLK2Config(RCC_HCLK_Div1);//APB2时钟=HCLK    
  RCC_PCLK1Config(RCC_HCLK_Div2);//APB1时钟=HCLK/2    
  RCC_HCLKConfig(RCC_SYSCLK_Div1);//AHB时钟=系统时钟    
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);//选择PLL作为系统时钟    
  while(RCC_GetSYSCLKSource() != 0x08); 
  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);    
  GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG    
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;    
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;    
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;    
  GPIO_Init(GPIOD, &GPIO_InitStructure);    
  GPIO_ResetBits(GPIOD,GPIO_Pin_2);//关闭蜂鸣器   
  
  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_BaudRate = BaudRate;//usart传输波比特    
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//一帧传输或接收8bit    
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//在帧结尾传输1个停止位    
  USART_InitStructure.USART_Parity = USART_Parity_No;//奇偶失能    
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//硬件流控制失能    
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//接收使能，发送使能    
  USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;//时钟低电平活动            
  USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;//始终低电平           
  USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;//时钟第二边缘进行数据捕获               
  USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;//最后一位数据的时钟不从SCLK输出    
  USART_ClockInit(USART1, &USART_ClockInitStructure);//使能USART1时钟    
  USART_Init(USART1, &USART_InitStructure);//初始化USART1    
  USART_Cmd(USART1, ENABLE);//使能USART1外设    
  USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//使能中断    
  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()  
{   
    int i=0;        
    int ADValue = 0;    
    float Volt=0.00;  
    char shuzu[100];  
    for(i=0;i<5;i++){
	  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);  
      delay_ms(500);                       
}    
      
    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");  
}    

int main(void)    
{            
  RCC_Configuration();    
  USART_int(115200);     
  ADC_CONFIG();    
  printf(" config done...\r\n");   
  Get_ADC();  
  delay_ms(1000);    
  while(1){
	SPI_TEST();    
    delay_ms(1000);    
}    
}    
       
#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__ */    
       
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

评论

菜鸟

2014-12-17 10:49:15 打赏

36楼

考完四级再更新~占个楼而已~

评论

菜鸟

2014-12-24 15:00:23 打赏

37楼

略不爽要等辣么久！！！！= =

评论

菜鸟

2014-12-25 16:08:50 打赏

38楼

滴答18b20

记得添加.H文件~

没添加.H文件按重置键调试助手只会显示双引号内容~如“config done...”

#include "stm32f10x.h"
#include "stm32_eval.h"
#include    
volatile int flag;
#define Set_B20()	 GPIO_SetBits(GPIOC, GPIO_Pin_12)//上拉关闭pc12
#define Reset_B20()	 GPIO_ResetBits(GPIOC, GPIO_Pin_12)//下拉打开pc12
#define Read_B20()	 GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12)//读pc状态
unsigned char Error_Flag=0;
unsigned char zf=0;
GPIO_InitTypeDef   GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;

/**************延时函数*******************/  
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 SysTick_Configuration(void)
{
  /* Setup SysTick Timer for 10 msec interrupts  */
  if (SysTick_Config(48000))              
  { 
    /* Capture error */ 
    while (1);
  }  
 /* Configure the SysTick handler priority */
  NVIC_SetPriority(SysTick_IRQn, 0x0);        
}

void RCC_Configuration(void)
{
	RCC_DeInit();//将RCC寄存器重设为缺省值     
  RCC_HSICmd(ENABLE);//使能内部高速晶振  
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);//HSI晶振返回reset  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);//选择HSI作为系统时钟   
  RCC_HSEConfig(RCC_HSE_OFF);//HSE晶振关  
  RCC_LSEConfig(RCC_LSE_OFF);//LSE晶振关  
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz  
  RCC_PLLCmd(ENABLE);//使能PLL状态  
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);  
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);//ADC时钟=PCLK/4  
  RCC_PCLK2Config(RCC_HCLK_Div1);//APB2时钟=HCLK  
  RCC_PCLK1Config(RCC_HCLK_Div2);//APB1时钟=HCLK/2  
  RCC_HCLKConfig(RCC_SYSCLK_Div1);//AHB时钟=系统时钟  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);//选择PLL作为系统时钟  
  while(RCC_GetSYSCLKSource() != 0x08);  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);  
  GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
  GPIO_Init(GPIOD, &GPIO_InitStructure);  
  GPIO_ResetBits(GPIOD,GPIO_Pin_2);//关闭蜂鸣器  
	
	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_BaudRate = BaudRate;//usart传输波比特  
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//一帧传输或接收8bit  
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//在帧结尾传输1个停止位  
  USART_InitStructure.USART_Parity = USART_Parity_No;//奇偶失能  
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//硬件流控制失能  
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//接收使能，发送使能  
  USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;//时钟低电平活动          
  USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;//始终低电平         
  USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;//时钟第二边缘进行数据捕获             
  USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;//最后一位数据的时钟不从SCLK输出  
  USART_ClockInit(USART1, &USART_ClockInitStructure);//使能USART1时钟  
  USART_Init(USART1, &USART_InitStructure);//初始化USART1  
  USART_Cmd(USART1, ENABLE);//使能USART1外设  
  USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//使能中断  
  USART_Cmd(USART1, ENABLE);
}

void delay_18b20(u32 nus)//18b20专属延时
{
	u16 i;
	while(nus--)
		for(i=12;i>0;i--);
}

void Init18B20(void)//初始化
{
  u8 aa=0;
  u8 count =0;
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
  GPIO_Init(GPIOC, &GPIO_InitStructure);
  Set_B20() ;
  delay_18b20(1);
  Reset_B20();

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

	count=0;
	aa=Read_B20();
    while(!aa && count<100)	 
   {
   	aa=Read_B20();
	count++;
   }
   if(count>=99)
   		Error_Flag=1;
	else
		Error_Flag=0;
   
}
  
unsigned char Read18B20(void)//按位读取数据
{  
unsigned char i=0;
unsigned char date=0;
u8 tempp;
   for(i=8;i>0;i--)
   {
   Reset_B20();//打开pc12
   date>>=1;//标识右移一位
   delay_18b20(1);
   Set_B20(); //关闭pc12
   delay_18b20(1);
   tempp=Read_B20();//温度读取
		 
   if(tempp)
   date|=0x80; 
	 delay_18b20(60);
	}
	return(date);
}
void Write18B20(unsigned char date)//读数据
{
	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)
{
  char ID[8];  
  int i;  
  RCC_Configuration();  
  USART_int(115200);  
  SysTick_Configuration();  
  printf(" config done...\r\n");  

  delay_ms(1000);    
  Init18B20();
  Write18B20(0x33); 
  delay_18b20(20);  
  for(i=0;i<8;i++) //大神说这里要用for语句，不然只会输出printf（"event 1 oc......\r\n")这句,不会继续运行
{
	ID[i] = Read18B20();//读取地址
}
  while(1)  
    {
			if(flag == 300)  
        {  
          printf("At the moment of ID is:")   ;   
          for(i=0;i<8;i++)       
        {  
          printf("%u",ID[i]);
        }  
          printf("\r\n")  ;  
        }  
        if(flag == 500)  
        {             
          printf("The Temperature is:%f\r\n",Read_T());//读取温度并输出
          printf("===================================================\r\n");  
    }  
    }  
}  
  

#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__ */
  
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

菜鸟

2014-12-25 16:58:46 打赏

39楼

学霸加油~学渣吃饭去了~

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菜鸟

2015-01-06 23:13:12 打赏

40楼

敬礼！老师辛苦了~

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