adc.c

INFINEON公司弹片机产品XC164源码下载,ADC初始化处理以及ADC数据读入示例程序.

//****************************************************************************
// @Module        Analog / Digital Converter (ADC)
// @Filename      ADC.C
// @Project       LampBoard.dav
//----------------------------------------------------------------------------
// @Controller    Infineon XC164CM-8F40
//
// @Compiler      Keil
//
// @Codegenerator 1.1
//
// @Description   This file contains functions that use the ADC module.
//
//----------------------------------------------------------------------------
// @Date          2008-12-11 14:56:13
//
//****************************************************************************

// USER CODE BEGIN (ADC_General,1)

// USER CODE END



//****************************************************************************
// @Project Includes
//****************************************************************************

#include "MAIN.H"

// USER CODE BEGIN (ADC_General,2)

// USER CODE END


//****************************************************************************
// @Macros
//****************************************************************************

// USER CODE BEGIN (ADC_General,3)

// USER CODE END


//****************************************************************************
// @Defines
//****************************************************************************

// USER CODE BEGIN (ADC_General,4)

// USER CODE END


//****************************************************************************
// @Typedefs
//****************************************************************************

// USER CODE BEGIN (ADC_General,5)

// USER CODE END


//****************************************************************************
// @Imported Global Variables
//****************************************************************************

// USER CODE BEGIN (ADC_General,6)

// USER CODE END


//****************************************************************************
// @Global Variables
//****************************************************************************

// USER CODE BEGIN (ADC_General,7)

// USER CODE END


//****************************************************************************
// @External Prototypes
//****************************************************************************

// USER CODE BEGIN (ADC_General,8)

// USER CODE END


//****************************************************************************
// @Prototypes Of Local Functions
//****************************************************************************

// USER CODE BEGIN (ADC_General,9)

// USER CODE END


//****************************************************************************
// @Function      void ADC_vInit(void) 
//
//----------------------------------------------------------------------------
// @Description   This is the initialization function of the ADC function 
//                library. It is assumed that the SFRs used by this library 
//                are in reset state. 
//
//----------------------------------------------------------------------------
// @Returnvalue   None
//
//----------------------------------------------------------------------------
// @Parameters    None
//
//----------------------------------------------------------------------------
// @Date          2008-12-11
//
//****************************************************************************

// USER CODE BEGIN (Init,1)

// USER CODE END

void ADC_vInit(void)
{
  // USER CODE BEGIN (Init,2)

  // USER CODE END

  ///  - enhanced mode is selected
  ///  - auto scan continuous conversion mode is selected
  ///  - 8-bit resolution
  ///  - repeatedly converts a sequence beginning with channel 13
  ///  - ADC start bit is set
  ///  - wait for ADDAT read mode is enabled
  ///  - converter basic clock tbc is fpd / 64
  ///  - sample time tsc is tbc * 7.37869762948382E+19
  ///  - post calibration is enabled
  ///  - conversion time tc = 480.150 usec
  ///  - channel injection is disabled
  ADC_CTR0       =  0x926D;      // load ADC control register 0

  ADC_CTR2       =  0x1FFF;      // load ADC control register 2



  ///  -----------------------------------------------------------------------
  ///  Configuration of the used ADC Interrupts:
  ///  -----------------------------------------------------------------------
  ///  Conv service request node configuration:
  ///  - Conv interrupt priority level (ILVL) = 14
  ///  - Conv interrupt group level (GLVL) = 0
  ///  - Conv group priority extension (GPX) = 0

  ADC_CIC        =  0x0078;     


  ///  -----------------------------------------------------------------------
  ///  Configuration of the used ADC Port Pins:
  ///  -----------------------------------------------------------------------
  ///  - P5.12 is used for Analog Input Pin (AN12)
  ///  - P5.13 is used for Analog Input Pin (AN13)

  ///  - digital input stage is disconnected from port line P5.12
  ///  - digital input stage is disconnected from port line P5.13

  P5DIDIS        =  0x3000;      // load Port 5 digital input disable register

  ADC_CTR0_ADST  =  1;           // set start bit


  // USER CODE BEGIN (Init,3)

  // USER CODE END

} //  End of function ADC_vInit


//****************************************************************************
// @Function      uword ADC_uwReadConv(void) 
//
//----------------------------------------------------------------------------
// @Description   This function returns the result of a conversion. This 
//                function must be called after each conversion. The lower 10 
//                bits contain the conversion result while the upper 4 bits 
//                identify the converted analog channel. 
//
//----------------------------------------------------------------------------
// @Returnvalue   Conversion result
//
//----------------------------------------------------------------------------
// @Parameters    None
//
//----------------------------------------------------------------------------
// @Date          2008-12-11
//
//****************************************************************************

// USER CODE BEGIN (ReadConv,1)

// USER CODE END

uword ADC_uwReadConv(void)
{

  return(ADC_DAT);

} //  End of function ADC_uwReadConv


//****************************************************************************
// @Function      void ADC_viConv(void) 
//
//----------------------------------------------------------------------------
// @Description   This is the interrupt service routine for the ADC. It is 
//                called at the end of each conversion. The user obtains the 
//                conversion result by calling the function ADC_uwReadConv().
//                Please note that you have to add application specific code 
//                to this function.
//
//----------------------------------------------------------------------------
// @Returnvalue   None
//
//----------------------------------------------------------------------------
// @Parameters    None
//
//----------------------------------------------------------------------------
// @Date          2008-12-11
//
//****************************************************************************

// USER CODE BEGIN (Conv,1)

// USER CODE END

void ADC_viConv(void) interrupt ADC_C_INT using RB_LEVEL14
{
  // USER CODE BEGIN (Conv,2)
  unsigned int adc_temp;
  adc_temp =  ADC_uwReadConv();
 
  // USER CODE END

} //  End of function ADC_viConv




// USER CODE BEGIN (ADC_General,10)

// USER CODE END