Ejemplo n.º 1
0
/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  RCC_ClocksTypeDef RCC_Clocks;

  /* Initialize LEDs and User_Button on STM32F4-Discovery --------------------*/
  STM_EVAL_PBInit(BUTTON_USER, BUTTON_MODE_EXTI);

  STM_EVAL_LEDInit(LED4);
  STM_EVAL_LEDInit(LED3);
  STM_EVAL_LEDInit(LED5);
  STM_EVAL_LEDInit(LED6);

  /* SysTick end of count event each 10ms */
  RCC_GetClocksFreq(&RCC_Clocks);
  SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);

  if (STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)
  {
    /* Turn on LEDs available on STM32F4-Discovery ---------------------------*/
    STM_EVAL_LEDOn(LED4);
    STM_EVAL_LEDOn(LED3);
    STM_EVAL_LEDOn(LED5);
    STM_EVAL_LEDOn(LED6);

    if ((*(__IO uint32_t*) TESTRESULT_ADDRESS) == ALLTEST_PASS)
    {
      TimingDelay = 300;
      /* Waiting User Button is pressed or Test Program condition verified */
      while ((STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)&&(TimingDelay != 0x00))
      {}
    }
    else
    {
      /* Waiting User Button is Released  or TimeOut*/
      TimingDelay = 300;
      while ((STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)&&(TimingDelay != 0x00))
      {}
      if (STM_EVAL_PBGetState(BUTTON_USER) == Bit_RESET)
      {
        TimingDelay = 0x00;
      }
    }
    if (TimingDelay == 0x00)
    {
      /* Turn off LEDs available on STM32F4-Discovery ------------------------*/
      STM_EVAL_LEDOff(LED4);
      STM_EVAL_LEDOff(LED3);
      STM_EVAL_LEDOff(LED5);
      STM_EVAL_LEDOff(LED6);

      /* Waiting User Button is released */
      while (STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)
      {}

      /* Unlocks the FLASH control register access */
      FLASH_Unlock();

      /* Move discovery kit to detect negative and positive acceleration values
      on X, Y and Z axis */
      Accelerometer_MEMS_Test();

      /* USB Hardware connection */
      USB_Test();

      /* Audio Hardware connection */
      Audio_Test();

      /* Microphone MEMS Hardware connection */
      Microphone_MEMS_Test();

      /* Write PASS code at last word in the flash memory */
      FLASH_ProgramWord(TESTRESULT_ADDRESS, ALLTEST_PASS);

      while(1)
      {
        /* Toggle Green LED: signaling the End of the Test program */
        STM_EVAL_LEDToggle(LED4);
        Delay(10);
      }
    }
    else
    {
      Demo_Exec();
    }
  }
  else
  {
    Demo_Exec();
  }
}
Ejemplo n.º 2
0
/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG , ENABLE);
   
   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC  | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOA, ENABLE );
   
   RCC_APB1PeriphClockCmd( RCC_APB1Periph_TIM3 | RCC_APB1Periph_TIM3, ENABLE );

 
 
    volatile int i;
    int n = 1;
    
     
    GPIO_StructInit(&GPIO_InitStructure); // Reset init structure
    GPIO_StructInit(&GPIO_InitStructure2); // Reset init structure
    GPIO_StructInit(&GPIO_InitStructure3); // Reset init structure
 
    GPIO_PinAFConfig(GPIOC, GPIO_PinSource6, GPIO_AF_TIM3);
    GPIO_PinAFConfig(GPIOC, GPIO_PinSource7, GPIO_AF_TIM3);
    GPIO_PinAFConfig(GPIOC, GPIO_PinSource8, GPIO_AF_TIM3);
    GPIO_PinAFConfig(GPIOC, GPIO_PinSource9, GPIO_AF_TIM3);
    
    //GPIO_PinAFConfig(GPIOB, GPIO_PinSource4, GPIO_AF_TIM3);
    //GPIO_PinAFConfig(GPIOB, GPIO_PinSource5, GPIO_AF_TIM3);

/**
	PWM
		Output	PortC 6 7 8 9
		AF TIM3				
								**/    
    

    // Setup Servo on STM32-Discovery Board to use PWM.
    GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7| GPIO_Pin_8| GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;            // Alt Function - Push Pull
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
    GPIO_Init( GPIOC, &GPIO_InitStructure );  
    

/**
	Button
		Output PortB 4 5
						 **/

    /* GPIOA Configuration: CH1 (PB4) and CH2 (PB5) */
    GPIO_InitStructure2.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 ;
    GPIO_InitStructure2.GPIO_Mode = GPIO_Mode_OUT;
    GPIO_InitStructure2.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure2.GPIO_Speed = GPIO_Speed_100MHz;
    GPIO_InitStructure2.GPIO_PuPd = GPIO_PuPd_UP;
    GPIO_Init(GPIOB, &GPIO_InitStructure2);

    GPIOB->BSRRL = GPIO_Pin_4;
    GPIOB->BSRRL = GPIO_Pin_5;

/**
	Button
		Input PortA 2 3
						**/

    /* GPIOA Configuration: (PA2) and (PA3) */     //input
    GPIO_InitStructure2.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 ;
    GPIO_InitStructure2.GPIO_Mode = GPIO_Mode_IN;
    GPIO_InitStructure2.GPIO_Speed = GPIO_Speed_100MHz;
    GPIO_InitStructure2.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure2.GPIO_PuPd = GPIO_PuPd_DOWN ;
    GPIO_Init(GPIOA, &GPIO_InitStructure2); 
    
/**	
	Button A2 A3 Interrupt
	EXTI 2 3		
							**/ 

    //清空中断标志
    EXTI_ClearITPendingBit(EXTI_Line2);
    EXTI_ClearITPendingBit(EXTI_Line3);

    //选择中断管脚PA.2 PA.3 
    SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource2);
    SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource3);
  //    SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA,EXTI_PinSource0);
  //   SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA,EXTI_PinSource0);
    
    
    EXTI_InitStructure.EXTI_Line = EXTI_Line2  ; //选择中断线路2 
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //设置为中断请求,非事件请求
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //设置中断触发方式为上下降沿触发
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;            //外部中断使能
    EXTI_Init(&EXTI_InitStructure);
    EXTI_GenerateSWInterrupt(EXTI_Line2);
    
    
    EXTI_InitStructure.EXTI_Line = EXTI_Line3 ; //选择中断线路2 
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //设置为中断请求,非事件请求
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //设置中断触发方式为上下降沿触发
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;            //外部中断使能
    EXTI_Init(&EXTI_InitStructure);
    EXTI_GenerateSWInterrupt(EXTI_Line3);
   
    
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);      //选择中断分组2
    NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn  ;     //选择中断通道2
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //抢占式中断优先级设置为0
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;        //响应式中断优先级设置为0
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;                                   //使能中断
    NVIC_Init(&NVIC_InitStructure);
    
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);    //选择中断分组2
    NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;     //选择中断通道2
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //抢占式中断优先级设置为0
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;        //响应式中断优先级设置为0
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;                                   //使能中断
    NVIC_Init(&NVIC_InitStructure);
    
    
/**
	Timer setting
	Tim3
					**/
    
    PrescalerValue = (uint16_t) ((SystemCoreClock /4) / 100000) - 1;
    
    // Let PWM frequency equal 100Hz.
    // Let period equal 1000. Therefore, timer runs from zero to 1000. Gives 0.1Hz resolution.
    // Solving for prescaler gives 240.
    TIM_TimeBaseStructInit( &TIM_TimeBaseInitStruct );
    TIM_TimeBaseInitStruct.TIM_ClockDivision = TIM_CKD_DIV1;
    TIM_TimeBaseInitStruct.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInitStruct.TIM_Period = 3360 - 1;   // 0..2000
    TIM_TimeBaseInitStruct.TIM_Prescaler = 500; 
    TIM_TimeBaseInit( TIM3, &TIM_TimeBaseInitStruct );
 /**
		TIM_Prescaler = 500-1, TIM_Period = 1680-1 , TIMxCLK = 84MHz
		輸出脈波週期 = (TIM_Period + 1) * (TIM_Prescaler + 1) / TIMxCLK
		= ( 1680 - 1 +1 ) * ( 500 - 1 + 1 ) / 84000000 = 0.01s(100Hz)
																		**/   

    TIM_OCStructInit( &TIM_OCInitStruct );
    TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable;
    TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1;
    // Initial duty cycle equals 0%. Value can range from zero to 1000.
    TIM_OCInitStruct.TIM_Pulse = 3360 -1; // 0 .. 1680 (0=Always Off, 1680=Always On)
    
    
    TIM_OC1Init( TIM3, &TIM_OCInitStruct ); // Channel 1  Servo
    TIM_OC2Init( TIM3, &TIM_OCInitStruct ); // Channel 2  Servo
    TIM_OC3Init( TIM3, &TIM_OCInitStruct ); // Channel 3 PB7 Servo L
    TIM_OC4Init( TIM3, &TIM_OCInitStruct ); // Channel 4 PB8 Servo R
    TIM_Cmd( TIM3, ENABLE );

/** 
	Project Testing
						**/

  while(1)  // Do not exit
  {

//Test 1

	if(TIM3->CCR4>0){
		for(i=0;i<16000000;i++);
		TIM3->CCR4 = 0;
	}
/*
//Test 2
	TIM3->CCR4 = 168;
	for(i=0;i<16000000;i++);
	TIM3->CCR4 = 336;
	for(i=0;i<16000000;i++);
	TIM3->CCR4 = 252;
	for(i=0;i<16000000;i++);

/*
//Test 3

    if (((brightness + n) >= 3000) || ((brightness + n) <= 0))
      n = -n; // if  brightness maximum/maximum change direction
 
        brightness += n;
 
   	TIM3->CCR1 = brightness; // set brightness
    TIM3->CCR2 = 1000 - brightness; // set brightness
    TIM3->CCR3 = 3000 - brightness; // set brightness
    TIM3->CCR4 = 3000 - brightness; // set brightness
 
    for(i=0;i<10000;i++);  // delay
    //Delay(250000);
    //Delay(1000000);
    //Delay(1000000);
*/  
   }
 
  return(0); // System will implode
/**
	Others
			**/
  
  if (STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)
  {
    if ((*(__IO uint32_t*) TESTRESULT_ADDRESS) == ALLTEST_PASS)
    {
     
      /* Waiting User Button is pressed or Test Program condition verified */
      while ((STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)&&(TimingDelay != 0x00))
      {}
    }
    else
    {
      /* Waiting User Button is Released  or TimeOut*/
     
      while ((STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)&&(TimingDelay != 0x00))
      {}
      if (STM_EVAL_PBGetState(BUTTON_USER) == Bit_RESET)
      {
        
      }
    }
    if (TimingDelay == 0x00)
    {
      /* Turn off LEDs available on STM32F4-Discovery ------------------------*/
      /* Waiting User Button is released */
      while (STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)
      {}
      
      /* Unlocks the FLASH control register access */
      FLASH_Unlock();
      
      /* Move discovery kit to detect negative and positive acceleration values 
      on X, Y and Z axis */
      Accelerometer_MEMS_Test();
      
      /* USB Hardware connection */
      USB_Test();
      
      /* Audio Hardware connection */
      Audio_Test();
      
      /* Microphone MEMS Hardware connection */
      Microphone_MEMS_Test();
      
      /* Write PASS code at last word in the flash memory */
      FLASH_ProgramWord(TESTRESULT_ADDRESS, ALLTEST_PASS);
      
      while(1)
      {
        /* Toggle Green LED: signaling the End of the Test program */
        STM_EVAL_LEDToggle(LED4);
        Delay(41999/2);
      }
    }
    else
    {
      Demo_Exec();
    }
  }
  else
  {    
    Demo_Exec();
  }
}