stm32_eval.c

基于STM32F107的UDP服务器程序

  *     @arg LED4 
  * @retval None
  */
void STM_EVAL_LEDOff(Led_TypeDef Led)
{
  GPIO_PORT[Led]->BSRR = GPIO_PIN[Led]; 
}

/**
  * @brief  Toggles the selected LED.
  * @param  Led: Specifies the Led to be toggled. 
  *   This parameter can be one of following parameters:
  *     @arg LED1
  *     @arg LED2
  *     @arg LED3
  *     @arg LED4  
  * @retval None
  */
void STM_EVAL_LEDToggle(Led_TypeDef Led)
{
  GPIO_PORT[Led]->ODR ^= GPIO_PIN[Led];
}


/**
  * @brief  Configures BEEP GPIO.
  * @param  None
  * @retval None
  */
void BEEP_Configuration(void)
{
  GPIO_InitTypeDef  GPIO_InitStructure;
  
  /* Enable the GPIO_LED Clock */
  RCC_APB2PeriphClockCmd(BEEP_CLK, ENABLE);

  /* Configure the GPIO_LED pin */
  GPIO_InitStructure.GPIO_Pin = BEEP_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD; 
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

  GPIO_Init(BEEP_PORT, &GPIO_InitStructure);
}


/**
  * @brief  Turns BEEP On.
  * @param  None 
  * @retval None
  */
void STM_EVAL_BEEPOn(void)
{
  BEEP_PORT->BRR = BEEP_PIN;
}

/**
  * @brief  Turns BEEP Off.
  * @param  None 
  * @retval None
  */
void STM_EVAL_BEEPOff(void)
{
  BEEP_PORT->BSRR = BEEP_PIN; 
}

/**
  * @brief  Configures BEEP GPIO.
  * @param  None
  * @retval None
  */
void WIRELESS_315M_VT_Configuration(void)
{
  GPIO_InitTypeDef  GPIO_InitStructure;
  
  /* Enable the GPIO_LED Clock */
  RCC_APB2PeriphClockCmd(WIRELESS_315M_VT_CLK, ENABLE);

  /* Configure the GPIO_LED pin */
  GPIO_InitStructure.GPIO_Pin = WIRELESS_315M_VT_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; 
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

  GPIO_Init(WIRELESS_315M_VT_PORT, &GPIO_InitStructure);
}


/**
  * @brief  Configures Button GPIO and EXTI Line.
  * @param  Button: Specifies the Button to be configured.
  *   This parameter can be one of following parameters:   
  *     @arg Button_WAKEUP: Wakeup Push Button
  *     @arg Button_TAMPER: Tamper Push Button  
  *     @arg Button_KEY: Key Push Button 
  *     @arg Button_RIGHT: Joystick Right Push Button 
  *     @arg Button_LEFT: Joystick Left Push Button 
  *     @arg Button_UP: Joystick Up Push Button 
  *     @arg Button_DOWN: Joystick Down Push Button
  *     @arg Button_SEL: Joystick Sel Push Button
  * @param  Button_Mode: Specifies Button mode.
  *   This parameter can be one of following parameters:   
  *     @arg Mode_GPIO: Button will be used as simple IO 
  *     @arg Mode_EXTI: Button will be connected to EXTI line with interrupt
  *                     generation capability  
  * @retval None
  */
void STM_EVAL_PBInit(Button_TypeDef Button, Button_Mode_TypeDef Button_Mode)
{
  GPIO_InitTypeDef GPIO_InitStructure;
  EXTI_InitTypeDef EXTI_InitStructure;
  NVIC_InitTypeDef NVIC_InitStructure;

  /* Enable Button GPIO clock */
  RCC_APB2PeriphClockCmd(BUTTON_CLK[Button] | RCC_APB2Periph_AFIO, ENABLE);
  
  /* Configure Button pin as input floating */
  GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button];
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure);

  if (Button_Mode == Mode_EXTI)
  {
    /* Connect Button EXTI Line to Button GPIO Pin */
    GPIO_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]);  

    /* Configure Button EXTI line */
    EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button];
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;

    if(Button != Button_WAKEUP)
    {
      EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;  
    }
    else
    {
      EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;  
    }
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* Enable and set Button EXTI Interrupt to the lowest priority */
    NVIC_InitStructure.NVIC_IRQChannel = BUTTON_IRQn[Button];
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

    NVIC_Init(&NVIC_InitStructure); 
  }
}

/**
  * @brief  Returns the selected Button state.
  * @param  Button: Specifies the Button to be checked.
  *   This parameter can be one of following parameters:    
  *     @arg Button_WAKEUP: Wakeup Push Button
  *     @arg Button_TAMPER: Tamper Push Button  
  *     @arg Button_KEY: Key Push Button 
  *     @arg Button_RIGHT: Joystick Right Push Button 
  *     @arg Button_LEFT: Joystick Left Push Button 
  *     @arg Button_UP: Joystick Up Push Button 
  *     @arg Button_DOWN: Joystick Down Push Button
  *     @arg Button_SEL: Joystick Sel Push Button    
  * @retval The Button GPIO pin value.
  */
uint32_t STM_EVAL_PBGetState(Button_TypeDef Button)
{
  return GPIO_ReadInputDataBit(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}


/**
  * @brief  Configures COM port.
  * @param  COM: Specifies the COM port to be configured.
  *   This parameter can be one of following parameters:    
  *     @arg COM1
  *     @arg COM2  
  * @param  USART_InitStruct: pointer to a USART_InitTypeDef structure that
  *   contains the configuration information for the specified USART peripheral.
  * @retval None
  */
void STM_EVAL_COMInit(COM_TypeDef COM, USART_InitTypeDef* USART_InitStruct)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Enable GPIO clock */
  RCC_APB2PeriphClockCmd(COM_TX_PORT_CLK[COM] | COM_RX_PORT_CLK[COM] | RCC_APB2Periph_AFIO, ENABLE
);

  if (COM == COM1)
  {
    /* Enable the USART2 Pins Software Remapping */
    GPIO_PinRemapConfig(GPIO_Remap_USART2, ENABLE);
    RCC_APB1PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
  }
  else
  {
    /* Enable the USART1 Pins */
    RCC_APB2PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
  }

  /* Configure USART Tx as alternate function push-pull */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Pin = COM_TX_PIN[COM];
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(COM_TX_PORT[COM], &GPIO_InitStructure);

  /* Configure USART Rx as input floating */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_InitStructure.GPIO_Pin = COM_RX_PIN[COM];
  GPIO_Init(COM_RX_PORT[COM], &GPIO_InitStructure);

  /* USART configuration */
  USART_Init(COM_USART[COM], USART_InitStruct);
    
  /* Enable USART */
  USART_Cmd(COM_USART[COM], ENABLE);
}


/**
  * @}
  */ 


/**
  * @}
  */ 

/**
  * @}
  */ 
/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/