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老友杂伊面04

菜鸟

2014-12-04 23:32:50 打赏

11楼

#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include <stdio.h>  
#define VREF 3.3  
  
GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  
  
void RCC_Configuration(void)  
{/* 
  RCC_DeInit(); 
     
  RCC_HSICmd(ENABLE); 
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); 
   
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); 
   
  RCC_HSEConfig(RCC_HSE_OFF); 
  RCC_LSEConfig(RCC_LSE_OFF); 
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz 
  RCC_PLLCmd(ENABLE); 
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); 
  RCC_ADCCLKConfig(RCC_PCLK2_Div4); 
  RCC_PCLK2Config(RCC_HCLK_Div1); 
  RCC_PCLK1Config(RCC_HCLK_Div2); 
  RCC_HCLKConfig(RCC_SYSCLK_Div1); 
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); 
  while(RCC_GetSYSCLKSource() != 0x08); 
*/  
    SystemInit();  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);  
  GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);  
  GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
  GPIO_Init(GPIOD, &GPIO_InitStructure);  
    GPIO_ResetBits(GPIOD,GPIO_Pin_2);  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);  
  GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
  GPIO_Init(GPIOC, &GPIO_InitStructure);  
    GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);  
      RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
}   
  
void USART_int(long BaudRate)  
{  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);  
       GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;  
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;   
    GPIO_Init(GPIOA, &GPIO_InitStructure);  
    /* PA10 USART1_Rx  */  
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;  
    GPIO_Init(GPIOA, &GPIO_InitStructure);  
  
  USART_InitStructure.USART_BaudRate = BaudRate;//??????  
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit  
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1  
  USART_InitStructure.USART_Parity = USART_Parity_No;//????  
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????none  
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//??????????  
    USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;       
    USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;        
    USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;        
    USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;  
    USART_ClockInit(USART1, &USART_ClockInitStructure);  
  USART_Init(USART1, &USART_InitStructure);  
  USART_Cmd(USART1, ENABLE);  
    USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);  
 USART_Cmd(USART1, ENABLE);  
}  
  
  
void PWM_Config()  
{uint16_t PrescalerValue = 0;  
    TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;  
    /* TIM2 clock enable */  
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
  /* GPIOA  enable */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO  , ENABLE);  
      
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
        TIM_Cmd(TIM2, ENABLE);  
      /* Compute the prescaler value */  
  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;  
  /* Time base configuration */  
  TIM_TimeBaseStructure.TIM_Period = 0x07FF;  
  TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;  
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;  
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;  
  /* PWM1 Mode configuration: Channel2 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);  
    /* PWM1 Mode configuration: Channel3 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);  
    /* PWM1 Mode configuration: Channel4 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC4Init(TIM2, &TIM_OCInitStructure);  
  TIM_ARRPreloadConfig(TIM2, ENABLE);  
}  
  
void delay_us(u32 n)    
{    
    u8 j;    
    while(n--)    
    for(j=0;j<10;j++);    
}    
void  delay_ms(u32 n)    
{    
    while(n--)    
    delay_us(1000);    
}    
void PWM_TEST()  
{ unsigned int temp0=0,temp1=0,temp2=0;  
    printf("PWM-RGB TEST......\r\n");  
    while(1)  
    {  
            
          
        for(temp0=0;temp0<2047;temp0++)  
        {  
        TIM_SetCompare2(TIM2, temp1);  
            delay_us(1000);  
        }  
    if (temp1>=2047)  
    {  
        delay_ms(1000);  
        temp0=0;  
      
  }  
      
    for(temp1=1;temp1<2047;temp1++)  
        {  
        TIM_SetCompare3(TIM2, temp0);  
            delay_us(1000);  
        }  
    if (temp0>=2047)  
    {  
        delay_ms(1000);  
        temp1=0;  
      
  }  
  
  
        for(temp2=0;temp2<2047;temp2++)  
        {  
        TIM_SetCompare4(TIM2, temp2);  
            delay_us(1000);  
        }  
    if (temp2>=2047)  
    {  
        delay_ms(1000);  
        temp2=0;  
      
  }  
          
    for(temp0=0,temp1=0;temp0<2047||temp1<2047;temp0++,temp1++)  
        {  
          TIM_SetCompare2(TIM2, temp0);  
                TIM_SetCompare3(TIM2, temp1);  
            delay_us(1000);}  
    if (temp0>=2047)  
    {  
        delay_ms(1000);  
        temp0=0;  
  }  
    if (temp1>=2047)  
    {  
        delay_ms(2000);  
        temp1=0;  
      
  }  
      
    for(temp0=0,temp2=0;temp0<2047||temp2<2047;temp0++,temp2++)  
        {  
          TIM_SetCompare2(TIM2, temp0);  
                TIM_SetCompare4(TIM2, temp2);  
            delay_us(1000);}  
    if (temp0>=2047)  
    {  
        delay_ms(1000);  
        temp0=0;  
  }  
    if (temp2>=2047)  
    {  
        delay_ms(1000);  
        temp2=0;  
      
  }  
    for(temp1=0,temp2=0;temp1<2047||temp2<2047;temp1++,temp2++)  
        {  
          TIM_SetCompare3(TIM2, temp1);  
                TIM_SetCompare4(TIM2, temp2);  
            delay_us(1000);}  
    if (temp1>=2047)  
    {  
        delay_ms(1000);  
        temp1=0;  
  }  
    if (temp2>=2047)  
    {  
        delay_ms(1000);  
        temp2=0;  
      
  }  
      
    for(temp0=0,temp1=0,temp2=0;temp0<2047||temp1<2047||temp2<2047;temp0++,temp1++,temp2++)  
        {  
          TIM_SetCompare3(TIM2, temp1);  
             TIM_SetCompare2(TIM2, temp0);  
                TIM_SetCompare4(TIM2, temp2);  
            delay_us(1000);}  
            if (temp0>=2047)  
    {  
        delay_ms(1000);  
        temp0=0;  
  }  
    if (temp1>=2047)  
    {  
        delay_ms(1000);  
        temp1=0;  
  }  
    if (temp2>=2047)  
    {  
        delay_ms(1000);  
        temp2=0;  
      
  }  
  
    
 }  
  
}  
  
  
  
  
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__  
  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf 
     set to 'Yes') calls __io_putchar() */  
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)  
#else  
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)  
#endif /* __GNUC__ */  
    
  
  
/** 
  * @brief  Retargets the C library printf function to the USART. 
  * @param  None 
  * @retval None 
  */  
PUTCHAR_PROTOTYPE  
{  
  /* Place your implementation of fputc here */  
  /* e.g. write a character to the USART */  
  USART_SendData(EVAL_COM1, (uint8_t) ch);  
  
  /* Loop until the end of transmission */  
  while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)  
  {}  
  
  return ch;  
}  
  
#ifdef  USE_FULL_ASSERT  
  
  
void assert_failed(uint8_t* file, uint32_t line)  
{   
   
  while (1)  
  {  
  }  
}  
  
#endif  
  
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

评论

高工

2014-12-08 21:12:44 打赏

12楼

that's all?

评论

老友杂伊面04

菜鸟

2014-12-11 23:09:06 打赏

13楼

view plaincopy to clipboardprint?
#include "stm32f10x.h"    
#include "stm32_eval.h"    
#include     
#define VREF 3.3    
unsigned char i=0;    
  
EXTI_InitTypeDef   EXTI_InitStructure;      
NVIC_InitTypeDef   NVIC_InitStructure;    
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)    
{    
  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);   
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);    
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);    
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;    
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;    
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;    
  GPIO_Init(GPIOD, &GPIO_InitStructure);    
    GPIO_ResetBits(GPIOD,GPIO_Pin_2);    
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);    
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);    
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;    
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;    
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;    
  GPIO_Init(GPIOC, &GPIO_InitStructure);    
    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;    
  USART_InitStructure.USART_StopBits = USART_StopBits_1;    
  USART_InitStructure.USART_Parity = USART_Parity_No;    
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;e    
  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 GPIO_INIT()      
{      
     
  RCC_Configuration();      
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);      
     
  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);      
}      
    
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);        
}    
    
    
/**********************************************************************/    
/*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;    
}    
    
  
    
    
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(GPIOC, &GPIO_InitStructure);      
  /* Enable AFIO clock */      
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);      
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource8);      
  EXTI_InitStructure.EXTI_Line = EXTI_Line8;      
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;      
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;        
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;      
  EXTI_Init(&EXTI_InitStructure);      
  NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;      
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;      
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;      
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;      
  NVIC_Init(&NVIC_InitStructure);      
}      
void EXTI9_5_IRQHandler(void)    
{    
  if(EXTI_GetITStatus(EXTI_Line8) != RESET)    
  {    
        i=0;    
        I2C2_WriteByte(0xA0,0,0);    
       printf("上电清0\r\n",i);    
    /* Clear the  EXTI line 8 pending bit */    
    EXTI_ClearITPendingBit(EXTI_Line8);    
  }    
}    
    
 void IIC_TEST()    
{    
   printf(" config done...\r\n");      
    i = I2C2_ReadByte(0xA0,0);    
    i++;        
    printf("从地址读出数据:%d\r\n",i);      
    I2C2_WriteByte(0xA0,0,i);      
      printf("向地址输入数据:%d\r\n",i);      
    printf("上电次数%d\r\n",i);    
          
      
}     
  
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 */    
  RCC_Configuration();      
  EXTIkeyS1_Config();    
  GPIO_INIT();      
  USART_int(115200);      
  Iic1_Init();    
  IIC_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;      
}

评论

高工

2014-12-16 15:39:27 打赏

14楼

评论

老友杂伊面04

菜鸟

2014-12-24 17:37:58 打赏

15楼

串口发送信息控制LED闪烁

#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include    "stdio.h"  
  
#define buff_size  16;   
  
GPIO_InitTypeDef GPIO_InitStructure;  
char rx_buff[],rx_buff_count=0;  
  
void RCC_Configuration(void)  
{  
  RCC_DeInit();  
      
  RCC_HSICmd(ENABLE);  
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);  
    
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);  
    
  RCC_HSEConfig(RCC_HSE_OFF);  
  RCC_LSEConfig(RCC_LSE_OFF);  
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz  
  RCC_PLLCmd(ENABLE);  
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);  
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);  
  RCC_PCLK2Config(RCC_HCLK_Div1);  
  RCC_PCLK1Config(RCC_HCLK_Div2);  
  RCC_HCLKConfig(RCC_SYSCLK_Div1);  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);  
  while(RCC_GetSYSCLKSource() != 0x08);  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);  
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
  GPIO_Init(GPIOD, &GPIO_InitStructure);  
    GPIO_ResetBits(GPIOD,GPIO_Pin_2);  
}  
  
void GPIO_INIT()  
{  
     RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  
     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;  
     GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
     GPIO_Init(GPIOC, &GPIO_InitStructure);  
    GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);  
}  
void 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)  
{ USART_InitTypeDef USART_InitStructure;  
    USART_ClockInitTypeDef USART_ClockInitStructure;  
     NVIC_InitTypeDef NVIC_InitStructure;  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);  
       GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;  
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;   
    GPIO_Init(GPIOA, &GPIO_InitStructure);  
    /* PA10 USART1_Rx  */  
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;  
    GPIO_Init(GPIOA, &GPIO_InitStructure);  
  /* USARTx configured as follow: 
        - BaudRate = 115200 baud   
        - Word Length = 8 Bits 
        - One Stop Bit 
        - No parity 
        - Hardware flow control disabled (RTS and CTS signals) 
        - Receive and transmit enabled 
  */  
  USART_InitStructure.USART_BaudRate = BaudRate;//??????  
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit  
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1  
  USART_InitStructure.USART_Parity = USART_Parity_No;//????  
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????none  
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//??????????  
    USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;       
  USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;        
  USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;        
  USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;  
  USART_ClockInit(USART1, &USART_ClockInitStructure);  
  USART_Init(USART1, &USART_InitStructure);  
  USART_Cmd(USART1, ENABLE);  
    USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);  
  USART_Cmd(USART1, ENABLE);  
  
  /* Configure four bit for preemption priority */  
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);  
  /* Enable the USART1 Interrupt */  
  NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; //  
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;  
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
  NVIC_Init(&NVIC_InitStructure);  
}  
  
void USART_SendStr(char *str)  
{  
   while((*str)!='\0')  
{USART_SendData(USART1,*str++);  
while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);  
}  
}  
  
char strcmp(char *S,char *C,char LEN)  
{ char count;  
  for(count=0;count<LEN;count++)  
  {  
      if(S[count]!=C[count])  
          {return 0;}  
  }  
  return 1;  
}  
  
void commcmp(char *S,char LEN)  
{   
    int i,j;  
    unsigned char flag=0;  
 if((LEN!=7)&(LEN!=8)&(LEN!=9))  
 {USART_SendStr("\r\n Erro input!!!\r\n");}  
  else{  
    switch(LEN)  
   {  
           
     case 7:  
              
         {  
                 flag = strcmp(S,"time=50",7);  
          if(flag==1)  
                  {   
                                for(i=0;i<=18;i++)  
                                            {  
                                                        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);  
                                                                                        i=0x01;  
                                                                             GPIO_ResetBits(GPIOC,i);  
                                                                                 delay_ms(50);    
                                                                             GPIO_SetBits(GPIOC,i);  
                                                                  
                                                        for(j=1;j<=3;j++)   
                                                        {    
                                                                                    i<<=1;   
                                                                                    GPIO_ResetBits(GPIOC,i);             
                                                            delay_ms(50);    
                                                                                    GPIO_SetBits(GPIOC,i);  
                                                        }    
                                                                            i=0x0100;    
                                                         for(j=1;j<=4;j++)    
                                                        {    
                                                                                    i>>=1;  
                                                                                    GPIO_ResetBits(GPIOC,i);     
                                                                                    delay_ms(50);    
                                                                                    GPIO_SetBits(GPIOC,i);  
                                                      
                                                        }  
                      
                                                        }  
                                                            break;   
  
                            }  
                        }  
                              
                              
     case 8:  
      
             {  
                         flag = strcmp(S,"time=100",8);  
                         if(flag==1)  
                             {  
                                        for(i=0;i<=18;i++)  
                                                 {  
                                                                i=0x0010;  
                                                            for(j=1;j<=4;j++)   
                                                            {    
                                                                                        i>>=1;   
                                                                                        GPIO_ResetBits(GPIOC,i);             
                                                                delay_ms(100);    
                                                                                        GPIO_SetBits(GPIOC,i);  
                                                            }    
                                                                                i=0x08;    
                                                             for(j=1;j<=4;j++)    
                                                            {    
                                                                                        i<<=1;  
                                                                                        GPIO_ResetBits(GPIOC,i);     
                                                                                        delay_ms(100);    
                                                                                        GPIO_SetBits(GPIOC,i);  
                                                            }  
  
                                            }  
                                             break;  
                 }   
                             }  
     case 9:        
             {  
                             flag = strcmp(S,"time=1000",9);  
                             if(flag==1)  
                             {  
                                 for(i=0;i<=18;i++)  
                                 {  
                                            GPIO_SetBits(GPIOC,0x000000ff);   
                                            i=0x00100;  
                                            for(j=1;j<=8;j++)   
                                                    {    
                                                             i>>=1;   
                                                            GPIO_ResetBits(GPIOC,i);             
                                                            delay_ms(1000);    
                                                            GPIO_SetBits(GPIOC,i);  
                                                        }    
                                                          
                                        }  
                                                                      
                      break;   
                 }  
               }       
                 }  
             }  
 }  
          
void input_ASK()  
{     
    char j;  
    commcmp(rx_buff,rx_buff_count);  
     rx_buff_count=0;  
      for (j=0;j<rx_buff_count;j++)  
          {rx_buff[j]='\0';}  
    USART_SendStr("\n>");  
}  
  
int main(void)  
{   
          
    RCC_Configuration();  
    GPIO_INIT();  
  USART_int(9600);  
    USART_SendStr("SyStem booting......\r\n");  
 while(1){}         
}  
  
  
  
void USART1_IRQHandler(void)   
{   
  
  while(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)  
  {   
  }   
if(USART_ReceiveData(USART1)==0x0d)  
{input_ASK();}  
else  
{  
USART_SendData(USART1,USART_ReceiveData(USART1));  
rx_buff[rx_buff_count]= USART_ReceiveData(USART1);  
    rx_buff_count++;  
}  
  USART_ClearFlag(USART1, USART_FLAG_RXNE);  
  
}

评论

老友杂伊面04

菜鸟

2014-12-24 17:38:13 打赏

16楼

视频地址：http://player.youku.com/player.php/sid/XODU1ODU5NDQ4/v.swf

评论

老友杂伊面04

菜鸟

2014-12-24 18:23:41 打赏

17楼

ADC调节RGB亮度

#include "stm32f10x.h"    
#include "stm32_eval.h"    
#include <stdio.h>    
#define VREF 3.3    
GPIO_InitTypeDef   GPIO_InitStructure;    
USART_InitTypeDef USART_InitStructure;    
USART_ClockInitTypeDef USART_ClockInitStructure;    
int volt;    
unsigned int temp0,temp1,temp2;    
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_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)    
{    
    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;//PWM&RGB- PA1 PA2 PA3    
  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 ,PA1???2*/    
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;    
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;    
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);    
    /* PWM1 Mode configuration: Channel3 PA2???3*/    
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;    
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;    
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);    
    /* PWM1 Mode configuration: Channel4 PA3???4*/    
  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;//ADC????PB0    
  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?????    
  ADC_InitStructure.ADC_NbrOfChannel = 1;//ADC????1    
  ADC_Init(ADC1, &ADC_InitStructure);//???ADC1    
  /* 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);//??:8 ,????    
    /* Enable ADC1 reset calibration register */       
  ADC_ResetCalibration(ADC1);//??ADC1??????    
  /* Check the end of ADC1 reset calibration register */    
  while(ADC_GetResetCalibrationStatus(ADC1));//??????    
  /* Start ADC1 calibration */    
  ADC_StartCalibration(ADC1);//??ADC1??    
  /* Check the end of ADC1 calibration */    
  while(ADC_GetCalibrationStatus(ADC1));//??????    
  /* Start ADC1 Software Conversion */     
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);//??ADC1??????    
    return ADC_GetConversionValue(ADC1);    
}    
void PWM_TEST()    
{    
    /*????volt,??TIM_SetCompare2,TIM_SetCompare3,TIM_SetCompare4 ??????*/    
    unsigned int temp0=volt,temp1=0,temp2=volt;    
    printf("PWM-RGB TEST......\r\n");    
   for(;(temp0>0)||(temp1<volt);temp0--,temp1++)// ???? ????     
   {    
       TIM_SetCompare2(TIM2, temp0);//temp0:volt~0    
     TIM_SetCompare3(TIM2, temp1);//temp1:0~volt    
       delay_us(1000);    
   }    
     for(;(temp0<volt)||(temp2>0);temp0++,temp2--)//????  ????    
     {    
       TIM_SetCompare2(TIM2, temp0);//temp0:0~volt    
       TIM_SetCompare4(TIM2, temp2);//temp2:volt~0    
       delay_us(1000);    
   }    
   for(;(temp1>0)||(temp2<volt);temp1--,temp2++)//???? ????    
   {    
       TIM_SetCompare4(TIM2, temp2);//temp2:0~volt    
       TIM_SetCompare3(TIM2, temp1);//temp1:volt~0    
       delay_us(1000);    
   }    
}    
int main(void)    
{    
  float Volt=0.00;    
    int ADValue = 0;    
  RCC_Configuration();    
  USART_int(115200);    
    ADC_CONFIG();    
    Get_ADC();    
    PWM_Config();    
    delay_ms(1000);    
    printf(" config done...\r\n");    
    while(1)    
    {    
        ADValue = Get_ADC();    
        Volt = VREF*ADValue/4095;    
        /*volt???Volt???? volt?Volt??1000????*/    
        volt=Volt*1000;    
        printf("===============================\r\n");    
        printf("The ADC value is:%d\r\n",ADValue);    
        printf("The Volt is:%f V\r\n",Volt);    
        printf("The volt is:%d \r\n",volt);    
        PWM_TEST();    
        delay_ms(500);    
    }    
}    
    
#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

老友杂伊面04

菜鸟

2014-12-25 17:35:00 打赏

18楼

视频地址：http://player.youku.com/player.php/sid/XODU1ODYwOTc2/v.swf

七彩灯

评论

老友杂伊面04

菜鸟

2014-12-25 17:35:58 打赏

19楼

视频地址：http://player.youku.com/player.php/sid/XODU1ODc5NzI4/v.swf

ADC

评论

老友杂伊面04

菜鸟

2014-12-25 17:36:38 打赏

20楼

视频地址：http://player.youku.com/player.php/sid/XODU1ODY4NzA0/v.swf

IIC

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