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Summer007
菜鸟
2014-11-27 23:50:31     打赏
11楼
这是学习了别的同学的代码，理解了然后修改的，演示要稍后等借到板子才可以补上，会补上的！！

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风早1010
菜鸟
2014-11-28 00:17:51     打赏
12楼
昨天生日快乐！！~~

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隐瞳013
菜鸟
2014-11-28 00:18:43     打赏
13楼
昨天生日快乐

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Summer007
菜鸟
2014-12-04 23:04:02     打赏
14楼
//库函数
#include "stm32f10x.h"
#include "stm32_eval.h"
#include <stdio.h>
#define VREF 3.3

//延时函数 
void delay_us(u32 n)  
{  
    u8 j;  
    while(n--)  
    for(j=0;j<10;j++);  
}  
//延时函数
void  delay_ms(u32 n)  
{  
   while(n--)  
    delay_us(1000);  
} 
//几个结构体的定义
GPIO_InitTypeDef   GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;

//配置时钟函数
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);//使能PA USART1
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;//TX位于PA9  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //推挽输出
  GPIO_Init(GPIOA, &GPIO_InitStructure);//TX初始化PA9 
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;//RX位于PA10 
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//悬空输出  
  GPIO_Init(GPIOA, &GPIO_InitStructure);//RX初始化PA10

  USART_InitStructure.USART_BaudRate = BaudRate;//传输速率
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//字长8比特
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//停止位1
  USART_InitStructure.USART_Parity = USART_Parity_No;//????
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//流控位none
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//接收和发送模式
  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);//初始化USART1时钟
  USART_Init(USART1, &USART_InitStructure);//初始化USART1 
  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;//定义结构体
  TIM_OCInitTypeDef  TIM_OCInitStructure;

  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);//打开TIM2，TIM2挂在AP1上
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO  , ENABLE);//一、开启功能复用
	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;//所需的3个管脚，复用输出
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
		TIM_Cmd(TIM2, ENABLE);

  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;//二、配置TIM2
  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;//三、脉冲宽度调制模式1

  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//四、选择输出比较状态
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;//IM_Pulse设置了待装入捕获比较寄存器的脉冲值，取值在0x0000-0xFFFF之间                                         
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);
	
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//（通道3）
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;//0x0000最亮,0xFFFF熄灭
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);

  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//（通道4）
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;
  TIM_OC4Init(TIM2, &TIM_OCInitStructure);
  TIM_ARRPreloadConfig(TIM2, ENABLE);//重新装载初始值
}

void PWM_TEST()
{ unsigned int temp0=0,temp1=0,temp2=0;
	printf("PWM-RGB TEST......\r\n");
	while(1)
		{
		TIM_SetCompare2(TIM2, temp0);//设置TIM2捕获比较2寄存器值
	if (temp0>=2047)//2的11次方减一
	{
		delay_ms(2000);
		temp0=0;
		break;
  }
	else {temp0++;delay_us(1000);}
    }
		while(1)
		{
		TIM_SetCompare3(TIM2, temp1);//设置TIM2捕获比较2寄存器值
	if (temp1>=2047)
	{
		delay_ms(2000);
		temp1=0;
		break;
  }
	else {temp1++;delay_us(1000);}
    }
		while(1)
		{
		TIM_SetCompare4(TIM2, temp2);
	if (temp2>=2047)
	{
		delay_ms(2000);
		temp2=0;
		break;
  }
	else {temp2++;delay_us(1000);}
    }
}


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 


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

 

//代码未OK，先放个注释留个位置

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Summer007
菜鸟
2014-12-05 00:46:01     打赏
15楼

来更新按键中断作业的视频了

上周虽然吧代码写出来了，但是由于没有自己的板，所以没有能及时跟新视频，现在补上

谢谢8号木可叔叔的板子


评论
嵌入式你好08
菜鸟
2014-12-05 09:01:09     打赏
16楼
在论坛上也黑我，还能不能愉快的玩耍？

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Snake0301
高工
2014-12-08 21:07:18     打赏
17楼
so，pwm在哪里？

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Summer007
菜鸟
2014-12-08 23:24:36     打赏
18楼

http://forum.eepw.com.cn/thread/262549/2/#14

放了部分注释，代码没有改得，更新了再重新放


评论
Summer007
菜鸟
2014-12-12 00:18:44     打赏
19楼

再次更新pwm的

 

   


//库函数  
#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include   
#define VREF 3.3  
unsigned int temp0,temp1,temp2;

//延时函数   
void delay_us(u32 n)    
{    
    u8 j;    
    while(n--)    
    for(j=0;j<10;j++);    
}    
//延时函数  
void  delay_ms(u32 n)    
{    
   while(n--)    
    delay_us(1000);    
}   
//几个结构体的定义  
GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  
  
//配置时钟函数  
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);//使能PA USART1  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;//TX位于PA9    
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //推挽输出  
  GPIO_Init(GPIOA, &GPIO_InitStructure);//TX初始化PA9   
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;//RX位于PA10   
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//悬空输出    
  GPIO_Init(GPIOA, &GPIO_InitStructure);//RX初始化PA10  
  
  USART_InitStructure.USART_BaudRate = BaudRate;//传输速率  
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//字长8比特  
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//停止位1  
  USART_InitStructure.USART_Parity = USART_Parity_No;//????  
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//流控位none  
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//接收和发送模式  
  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);//初始化USART1时钟  
  USART_Init(USART1, &USART_InitStructure);//初始化USART1   
  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;//定义结构体  
  TIM_OCInitTypeDef  TIM_OCInitStructure;  
  
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);//打开TIM2，TIM2挂在AP1上  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO  , ENABLE);//一、开启功能复用  
      
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;//所需的3个管脚，复用输出  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
        TIM_Cmd(TIM2, ENABLE);  
  
  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;//二、配置TIM2  
  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;//三、脉冲宽度调制模式1  
  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//四、选择输出比较状态  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;//IM_Pulse设置了待装入捕获比较寄存器的脉冲值，取值在0x0000-0xFFFF之间                                           
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);  
      
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//（通道3）  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;//0x0000最亮,0xFFFF熄灭  
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);  
  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//（通道4）  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC4Init(TIM2, &TIM_OCInitStructure);  
  TIM_ARRPreloadConfig(TIM2, ENABLE);//重新装载初始值  
}  

void colour(int z)//自定义的函数colour
{
   switch(z)//分别点亮相应的颜色
{
  case 0 : temp0=0,temp1=5000,temp2=0;  /*红色*/  break;
  case 1 : temp0=0,temp1=5000,temp2=2500;/*橙色*/  break;
  case 2 : temp0=0,temp1=5000,temp2=5000;/*黄色*/  break;
  case 3 : temp0=0,temp1=0,temp2=5000;  /*绿色*/  break;
  case 4 : temp0=2500,temp1=0,temp2=2500;/*青色*/  break;
  case 5: temp0=5000,temp1=0,temp2=0;   /*蓝色*/  break;
  case 6 : temp0=2500,temp1=2500,temp2=0;/*紫色*/  break;
  default: printf(" error\n");  
  }
}

void PWM_TEST()  
{    
  int i=0;
for(i=0;i<7;i++)
{
   colour(i);  //temp1-红,temp2-绿,temp0-蓝
   TIM_SetCompare2(TIM2,temp0);delay_ms(500); //设置TIM2捕获比较器2寄存器的值
   TIM_SetCompare3(TIM2,temp1);delay_ms(500);//TIM——通道数（定时器，数值） 
   TIM_SetCompare4(TIM2,temp2);delay_ms(500);
  } 
}  

int main(void)//主函数
{
RCC_Configuration();
USART_int(115200);

printf(" config done...\r\n");//屏幕打印出config done...
PWM_Config();//配置pwm
delay_ms(1000);//执行延时函数
while(1)
{
  PWM_TEST();
}//当以上为真时，执行PWM_TEST();函数
}

#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    
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

 


 


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Snake0301
高工
2014-12-16 15:37:19     打赏
20楼
挤牙膏：so，IIC等等的在哪？

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共26条 2/3 ‹ 1 2 3 › 跳转至页

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