hw_config.c

usb+源代码

  /* Configure I2C1 pins: SCL and SDA ----------------------------------------*/
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /* Configure I2C2 pins: SCL and SDA ----------------------------------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11;
  GPIO_Init(GPIOB, &GPIO_InitStructure);  
#else

  GPIO_InitStructure.GPIO_Pin =  I2C_EE_SCL | I2C_EE_SDA; 
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
  GPIO_Init(I2C_EE_GPIO, &GPIO_InitStructure);  
#endif
}

/*******************************************************************************
* Function Name : EXTI_Configuration.
* Description   : Configure the EXTI lines for Key and Tamper push buttons.
* Input         : None.
* Output        : None.
* Return value  : The direction value.
*******************************************************************************/
void EXTI_Configuration(void)
{
  EXTI_InitTypeDef EXTI_InitStructure;
   
  /* Enable the AFIO Clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);  
  
  /* Connect Key to the correspondent EXTI line */
  GPIO_EXTILineConfig(GPIO_KEY_PORTSOURCE, GPIO_KEY_PINSOURCE);
  
  /* Configure Key EXTI line to generate an interrupt on rising & falling edges */  
  EXTI_InitStructure.EXTI_Line = GPIO_KEY_EXTI_Line;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  /* Clear the Key EXTI line pending bit */
  EXTI_ClearITPendingBit(GPIO_KEY_EXTI_Line);
  
  
  /* Connect Tamper puch button to the correspondent EXTI line */
  GPIO_EXTILineConfig(GPIO_TAMPER_PORTSOURCE, GPIO_TAMPER_PINSOURCE);
  
  /* Configure Tamper EXTI Line to generate an interrupt rising & falling edges */  
  EXTI_InitStructure.EXTI_Line = GPIO_TAMPER_EXTI_Line;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  /* Clear the Tamper EXTI line pending bit */
  EXTI_ClearITPendingBit(GPIO_TAMPER_EXTI_Line);
  
}


/*******************************************************************************
* Function Name : ADC_Configuration.
* Description   : Configure the ADC and DMA.
* Input         : None.
* Output        : None.
* Return value  : The direction value.
*******************************************************************************/
void ADC_Configuration(void)
{
  ADC_InitTypeDef ADC_InitStructure;
  DMA_InitTypeDef DMA_InitStructure;

  /* Enable DMA1 clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);

  /* Enable ADC1 clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
  
  /* DMA1 channel1 configuration ---------------------------------------------*/
  DMA_DeInit(DMA1_Channel1);
  DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADC_ConvertedValueX;
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
  DMA_InitStructure.DMA_BufferSize = 1;
  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
  DMA_Init(DMA1_Channel1, &DMA_InitStructure);
  
  /* Enable DMA1 channel1 */
  DMA_Cmd(DMA1_Channel1, ENABLE);
  
  /* Enable the DMA1 Channel1 Transfer complete interrupt */
  DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
     
  /* 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_InitStructure.ADC_NbrOfChannel = 1;
  ADC_Init(ADC1, &ADC_InitStructure);

  /* ADC1 regular channel configuration */ 
  ADC_RegularChannelConfig(ADC1, ADC_AIN_CHANNEL, 1, ADC_SampleTime_55Cycles5);

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

  /* Enable ADC1 reset calibaration register */   
  ADC_ResetCalibration(ADC1);
  /* Check the end of ADC1 reset calibration register */
  while(ADC_GetResetCalibrationStatus(ADC1));

  /* Start ADC1 calibaration */
  ADC_StartCalibration(ADC1);
  
  /* Check the end of ADC1 calibration */
  while(ADC_GetCalibrationStatus(ADC1));  
}

/*******************************************************************************
* Function Name  :  USART_Config.
* Description    :  Configure the UART 1 according to the linecoding structure.
* Input          :  None.
* Return         :  Configuration status
                    TRUE : configuration done with success
                    FALSE : configuration aborted.
*******************************************************************************/
bool USART_Config(void)
{

/* USARTx configuration ------------------------------------------------------*/
  /* 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 = USARTx_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;
  
  /* Configure the USARTx */ 
  USART_Init(USARTx, &USART_InitStructure);
  /* Enable the USARTx */
  USART_Cmd(USARTx, ENABLE);

  return (TRUE);
}

PUTCHAR_PROTOTYPE
{
  // Write a character to the USART //
  USART_SendData(USARTx, (u8) ch);

  // Loop until the end of transmission //
  while(USART_GetFlagStatus(USARTx, USART_FLAG_TXE) == RESET)
  {
  }

  return ch;
}

/*******************************************************************************
* Function Name  : USB_To_USART_Send_Data.
* Description    : send the received data from USB to the UART 0.
* Input          : data_buffer: data address.
                   Nb_bytes: number of bytes to send.
* Return         : none.
*******************************************************************************/
void USB_To_USART_Send_Data(uint8_t* data_buffer, uint8_t Nb_bytes)
{
  uint32_t i;

  for (i = 0; i < Nb_bytes; i++)
  {
    USART_SendData(USART1, *(data_buffer + i)+0x30);
    while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET); 
  }
}

/*******************************************************************************
* Function Name  : UART_To_USB_Send_Data.
* Description    : send the received data from UART 0 to USB.
* Input          : None.
* Return         : none.
*******************************************************************************/
void USART_To_USB_Send_Data(void)
{
  if (linecoding.datatype == 7)
  {
    buffer_in[count_in] = USART_ReceiveData(USART1) & 0x7F;
  }
  else if (linecoding.datatype == 8)
  {
    buffer_in[count_in] = USART_ReceiveData(USART1);
  }
  count_in++;
  UserToPMABufferCopy(buffer_in, ENDP1_TXADDR, count_in);
  SetEPTxCount(ENDP1, count_in);
  SetEPTxValid(ENDP1);
}

/*******************************************************************************
* Function Name  : Get_SerialNum.
* Description    : Create the serial number string descriptor.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Get_SerialNum(void)
{
  uint32_t Device_Serial0, Device_Serial1, Device_Serial2;

  Device_Serial0 = *(__IO uint32_t*)(0x1FFFF7E8);
  Device_Serial1 = *(__IO uint32_t*)(0x1FFFF7EC);
  Device_Serial2 = *(__IO uint32_t*)(0x1FFFF7F0);

  if (Device_Serial0 != 0)
  {
    Virtual_Com_Port_StringSerial[2] = (uint8_t)(Device_Serial0 & 0x000000FF);
    Virtual_Com_Port_StringSerial[4] = (uint8_t)((Device_Serial0 & 0x0000FF00) >> 8);
    Virtual_Com_Port_StringSerial[6] = (uint8_t)((Device_Serial0 & 0x00FF0000) >> 16);
    Virtual_Com_Port_StringSerial[8] = (uint8_t)((Device_Serial0 & 0xFF000000) >> 24);

    Virtual_Com_Port_StringSerial[10] = (uint8_t)(Device_Serial1 & 0x000000FF);
    Virtual_Com_Port_StringSerial[12] = (uint8_t)((Device_Serial1 & 0x0000FF00) >> 8);
    Virtual_Com_Port_StringSerial[14] = (uint8_t)((Device_Serial1 & 0x00FF0000) >> 16);
    Virtual_Com_Port_StringSerial[16] = (uint8_t)((Device_Serial1 & 0xFF000000) >> 24);

    Virtual_Com_Port_StringSerial[18] = (uint8_t)(Device_Serial2 & 0x000000FF);
    Virtual_Com_Port_StringSerial[20] = (uint8_t)((Device_Serial2 & 0x0000FF00) >> 8);
    Virtual_Com_Port_StringSerial[22] = (uint8_t)((Device_Serial2 & 0x00FF0000) >> 16);
    Virtual_Com_Port_StringSerial[24] = (uint8_t)((Device_Serial2 & 0xFF000000) >> 24);  
  
  }
}


TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)
{
  while(BufferLength--)
  {
    if(*pBuffer1 != *pBuffer2)
    {
      return FAILED;
    }
    
    pBuffer1++;
    pBuffer2++;
  }

  return PASSED;  
}

void mprint(unsigned char printEn,char *ptr,unsigned char *sMessage, unsigned short len)
{
	unsigned char k;
	if((printEn == 1) |(printEn == 2) | (printEn == 4) )
	{
		printf(ptr);
	}
	if(printEn == 2)
		printf(":");
	for (k=0;k<len;k++) 
	{
		if(printEn == 3)	
			printf(" ");
		printf("%2.2x",sMessage[k]);
	}
	if(printEn == 4)
		printf(":");	
//	USART_Transmit('\r');
//	USART_Transmit('\n');
	return;
}


/*******************************************************************************
* Function Name  : Delay
* Description    : Inserts a delay time.
* Input          : nCount: specifies the delay time length.
* Output         : None
* Return         : None
*******************************************************************************/
void Delay(vu32 nCount)
{
  for(; nCount != 0; nCount--);
}




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