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/* Includes ------------------------------------------------------------------*/    
#include "stm32f10x.h"    
#include "stm32_eval.h"    
#include     
#define VREF 3.3    
int temp0,temp1,temp2;     
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_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;   
  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);//TIM2??    
      /* 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 colour(int a)  //·Ö±ð¿ªÆôÑÕÉ«  
{    
if(a==0)  
    temp0=1000,temp1=200,temp2=0;  
else if(a==1)  
    temp0=2000,temp1=2000,temp2=1000;  
else if(a==2)  
    temp0=0,temp1=1000,temp2=1000;  
else if(a==3)  
    temp0=1000,temp1=1500,temp2=1000;  
else if(a==4)  
    temp0=500,temp1=1000,temp2=2000;  
else if(a==5)  
    temp0=500,temp1=1500,temp2=1000;  
else if(a==6)     
    temp0=1500,temp1=1000,temp2=1500;  
}     
    
void PWM_TEST()    
{     
  int i=0;    
 for(i=0;i<7;i++)    
 {    
      colour(i);  //temp1-Red,temp2-Green,temp0-Blue    
  TIM_SetCompare2(TIM2,temp0);delay_ms(500);          
       TIM_SetCompare3(TIM2,temp1);delay_ms(500);               
       TIM_SetCompare4(TIM2,temp2);delay_ms(500);         
    
  }    
}     
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    
    
/**  
  * @brief  Reports the name of the source file and the source line number  
  *         where the assert_param error has occurred.  
  * @param  file: pointer to the source file name  
  * @param  line: assert_param error line source number  
  * @retval None  
  */    
void assert_failed(uint8_t* file, uint32_t line)    
{     
  /* User can add his own implementation to report the file name and line number,  
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */    
    
  /* Infinite loop */    
  while (1)    
  {    
  }    
}    
    
#endif    
    
/**  
  * @}  
  */     
    
/**  
  * @}  
  */     
    
#ifdef __GNUC__    
  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf  
     set to 'Yes') calls __io_putchar() */    
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)    
#else    
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)    
#endif /* __GNUC__ */    
      
    
    
/**  
  * @brief  Retargets the C library printf function to the USART.  
  * @param  None  
  * @retval None  
  */    
PUTCHAR_PROTOTYPE    
{    
  /* Place your implementation of fputc here */    
  /* e.g. write a character to the USART */    
  USART_SendData(EVAL_COM1, (uint8_t) ch);    
    
  /* Loop until the end of transmission */    
  while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)    
  {}    
    
  return ch;    
}    
    
#ifdef  USE_FULL_ASSERT    
    
/**  
  * @brief  Reports the name of the source file and the source line number  
  *         where the assert_param error has occurred.  
  * @param  file: pointer to the source file name  
  * @param  line: assert_param error line source number  
  * @retval None  
  */    
void assert_failed(uint8_t* file, uint32_t line)    
{     
  /* User can add his own implementation to report the file name and line number,  
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */    
    
  /* Infinite loop */    
  while (1)    
  {    
  }    
}    
    
#endif    
    
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/