stm32f107.c

基于STM32F107的UDP服务器程序

  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /**************************************************************/
  /*               For Remapped Ethernet pins                   */
  /*************************************************************/
  /* Input (Reset Value):
  - ETH_MII_CRS CRS: PA0
  - ETH_MII_RX_CLK / ETH_RMII_REF_CLK: PA1
  - ETH_MII_COL: PA3
  - ETH_MII_RX_DV / ETH_RMII_CRS_DV: PD8
  - ETH_MII_TX_CLK: PC3
  - ETH_MII_RXD0 / ETH_RMII_RXD0: PD9
  - ETH_MII_RXD1 / ETH_RMII_RXD1: PD10
  - ETH_MII_RXD2: PD11
  - ETH_MII_RXD3: PD12
  - ETH_MII_RX_ER: PB10 */

  /* ETHERNET pins remapp in STM3210C-EVAL board: RX_DV and RxD[3:0] */
  GPIO_PinRemapConfig(GPIO_Remap_ETH, ENABLE);

  /* Configure PA0, PA1 and PA3 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  /* Configure PB10 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /* Configure PC3 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* Configure PD8, PD9, PD10, PD11 and PD12 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOD, &GPIO_InitStructure); /**/

  /* ADC Channel14 config --------------------------------------------------------*/
  /* Relative to STM3210D-EVAL Board   */
  /* Configure PC.04 (ADC Channel14) as analog input -------------------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* MCO pin configuration------------------------------------------------- */
  /* Configure MCO (PA8) as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

}

#else //RMII_MODE  By ARNJISHU.COM 该RMII模式由ARM技术论坛完成
void GPIO_Configuration(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* ETHERNET pins configuration */
  /* AF Output Push Pull:
  - ETH_MII_MDIO / ETH_RMII_MDIO: PA2
  - ETH_MII_MDC / ETH_RMII_MDC: PC1
  - ETH_MII_TXD2: PC2
  - ETH_MII_TX_EN / ETH_RMII_TX_EN: PB11
  - ETH_MII_TXD0 / ETH_RMII_TXD0: PB12
  - ETH_MII_TXD1 / ETH_RMII_TXD1: PB13
 */

  /* Configure PA2 as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  /* Configure PC1, PC2 and PC3 as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* Configure PB5, PB8, PB11, PB12 and PB13 as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /**************************************************************/
  /*               For Remapped Ethernet pins                   */
  /*************************************************************/
  /* Input (Reset Value):
  - ETH_MII_RX_CLK / ETH_RMII_REF_CLK: PA1
  - ETH_MII_RX_DV / ETH_RMII_CRS_DV: PD8
  - ETH_MII_RXD0 / ETH_RMII_RXD0: PD9
  - ETH_MII_RXD1 / ETH_RMII_RXD1: PD10
 */

  /* ETHERNET pins remapp in STM3210C-EVAL board: RX_DV and RxD[3:0] */
  GPIO_PinRemapConfig(GPIO_Remap_ETH, ENABLE);

  /* Configure PA1 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  
  /* Configure PD8, PD9, PD10, PD11 and PD12 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOD, &GPIO_InitStructure); /**/

  /* ADC Channel14 config ----------------------------------------*/
  /* Relative to STM3210D-EVAL Board   */
  /* Configure PC.00 (ADC Channel10) as analog input -------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* MCO pin configuration--------------------------------------- */
  /* Configure MCO (PA8) as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

}
#endif

/**
  * @brief  Configures the ADC.
  * @param  None
  * @retval None
  */
void ADC_Configuration(void)
{
  ADC_InitTypeDef ADC_InitStructure;

  /* ADC1 Configuration ------------------------------------------------------*/
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
  ADC_InitStructure.ADC_ScanConvMode = DISABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfChannel = 1;
  ADC_Init(ADC1, &ADC_InitStructure);

  /* ADC1 regular channel14 configuration */
  ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_13Cycles5);

  /* Enable ADC1 */
  ADC_Cmd(ADC1, ENABLE);

  /* Start ADC1 Software Conversion */
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}

/**
  * @brief  Configures the nested vectored interrupt controller.
  * @param  None
  * @retval None
  */
void NVIC_Configuration(void)
{
  NVIC_InitTypeDef   NVIC_InitStructure;

  /* Set the Vector Table base location at 0x08000000 */
  NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);

  /* 2 bit for pre-emption priority, 2 bits for subpriority */
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); 
  
  /* Enable the Ethernet global Interrupt 使能以太网中断 */
  NVIC_InitStructure.NVIC_IRQChannel = ETH_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);    
  
}

/*******************************************************************************
* Function Name  : GPIO_KEY_Config.
* Description    : Configures the Extension Button.
* Input          : None.
* Output         : None.
* Return         : None.
* Update         ：www.armjishu.com 
*******************************************************************************/
void GPIO_KEY_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Configure KEY1 Button */
  RCC_APB2PeriphClockCmd(RCC_KEY1, ENABLE);

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  GPIO_InitStructure.GPIO_Pin = GPIO_KEY1;
  GPIO_Init(GPIO_KEY1_PORT, &GPIO_InitStructure);

  /* Configure KEY2 Button */
  RCC_APB2PeriphClockCmd(RCC_KEY2, ENABLE);

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  GPIO_InitStructure.GPIO_Pin = GPIO_KEY2;
  GPIO_Init(GPIO_KEY2_PORT, &GPIO_InitStructure);

  /* Configure KEY3 Button */
  RCC_APB2PeriphClockCmd(RCC_KEY3, ENABLE);

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  GPIO_InitStructure.GPIO_Pin = GPIO_KEY3;
  GPIO_Init(GPIO_KEY3_PORT, &GPIO_InitStructure);  

  /* Configure KEY4 Button */
  RCC_APB2PeriphClockCmd(RCC_KEY4, ENABLE);

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  GPIO_InitStructure.GPIO_Pin = GPIO_KEY4;
  GPIO_Init(GPIO_KEY4_PORT, &GPIO_InitStructure);

  /* Configure 315M Button */
  RCC_APB2PeriphClockCmd(RCC_315M, ENABLE);

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  GPIO_InitStructure.GPIO_Pin = GPIO_315M;
  GPIO_Init(GPIO_315M_PORT, &GPIO_InitStructure);

}

/*******************************************************************************
* Function Name  : Check_315M_Wireless
* Description    : Reads key from Check_315M_Wireless.
* Input          : None
* Output         : None
* Return         : Return 1 when data valid else 0
* Update         ：www.armjishu.com 
*******************************************************************************/
u8 Check_315M_Wireless(void)
{
  /* 315M wireless is pressed */
  if(!GPIO_ReadInputDataBit(GPIO_315M_PORT, GPIO_315M))
  {
    return 1; 
  }
  else
  {
    return 0; 
  } 
}
  
/*******************************************************************************
* Function Name  : ReadKeyDown
* Description    : Reads key from demoboard.
* Input          : None
* Output         : None
* Return         : Return KEY1, KEY2, KEY3, KEY4 or NOKEY
* Update         ：www.armjishu.com 
*******************************************************************************/
u8 ReadKeyDown(void)
{
  /* 1 key is pressed */
  if(!GPIO_ReadInputDataBit(GPIO_KEY1_PORT, GPIO_KEY1))
  {
    return KEY1; 
  }	
  /* 2 key is pressed */
  if(!GPIO_ReadInputDataBit(GPIO_KEY2_PORT, GPIO_KEY2))
  {
    return KEY2; 
  }
  /* 3 key is pressed */
  if(!GPIO_ReadInputDataBit(GPIO_KEY3_PORT, GPIO_KEY3))
  {
    return KEY3; 
  }
  /* 4 key is pressed */
  if(!GPIO_ReadInputDataBit(GPIO_KEY4_PORT, GPIO_KEY4))
  {
    return KEY4; 
  }

  /* No key is pressed */
  else 
  {
    return NOKEY;
  }
}

void Time_Display(uint32_t TimeVar)
{
  uint32_t THH = 0, TMM = 0, TSS = 0;
  uint8_t  TimeStr[] = "                    "; 

  /* Compute  hours */
  THH = (TimeVar / 3600)%24;
  /* Compute minutes */
  TMM = (TimeVar % 3600) / 60;
  /* Compute seconds */
  TSS = (TimeVar % 3600) % 60;

  printf("Time: %0.2d:%0.2d:%0.2d\r", THH, TMM, TSS);
  sprintf((char *)TimeStr, "  Time:  %0.2d:%0.2d:%0.2d  ", THH, TMM, TSS);
  LCD_DisplayStringLine(Line5, TimeStr);
}


/**
  * @brief  Configures the RTC.
  * @param  None
  * @retval None
  */
void RTC_Configuration(void)
{
  /* Enable PWR and BKP clocks */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);

  /* Allow access to BKP Domain */
  PWR_BackupAccessCmd(ENABLE);

  /* Enable LSE */
  RCC_LSEConfig(RCC_LSE_ON);
  /* Wait till LSE is ready */
  while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
  {}

  /* Select LSE as RTC Clock Source */
  RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);

  /* Enable RTC Clock */
  RCC_RTCCLKCmd(ENABLE);

  /* Wait for RTC registers synchronization */
  RTC_WaitForSynchro();

  /* Wait until last write operation on RTC registers has finished */
  RTC_WaitForLastTask();

  /* Set RTC prescaler: set RTC period to 1sec */
  RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */

  /* Wait until last write operation on RTC registers has finished */
  RTC_WaitForLastTask();
}

void Delay_TouchScreen(__IO uint32_t nCount)
{
  for (; nCount != 0; nCount--)
    ARMJISHU_TouchScreen();
}


void  RTC_Test(void)
{
  static uint32_t localtime = 0;

  RTC_Configuration();
    
  printf(" show Time:\n\r"); 
  localtime = RTC_GetCounter();
  Time_Display(localtime);
  while(RTC_GetCounter() == localtime );

  localtime = RTC_GetCounter();
  Time_Display(localtime);
  while(RTC_GetCounter() == localtime );
  
  localtime = RTC_GetCounter();
  Time_Display(localtime);

  printf("\n\r");
}
/******************* (C) COPYRIGHT 2010 www.armjishu.com 神舟系列*****END OF FILE****/