util.c

cc2x30_sw_examples: 适用于SmartRF05EB 支持CC2430、CC2530 提供Light_Switch及perTest例程。

/*******************************************************************************
  Filename:     util.c

  Description:  Utility library

*******************************************************************************/

/*******************************************************************************
* INCLUDES
*/

#include "util.h"
#include "hal_defs.h"
#include "hal_rf.h"

/*******************************************************************************
* GLOBAL FUNCTIONS
*/

/*******************************************************************************
* @fn          utilChipIdToStr
*
* @brief       Converts a chip ID to a text string.
*
* @param       uint8 chipID
*
* @return      none
*/
const char* utilChipIdToStr(uint8 chipID)
{
    const char* szId;

    switch(chipID) {
    case HAL_RF_CHIP_ID_CC2420:
        szId= "2420";
        break;
    case HAL_RF_CHIP_ID_CC2430:
        szId= "2430";
        break;
    case HAL_RF_CHIP_ID_CC2431:
        szId= "2431";
        break;
    case HAL_RF_CHIP_ID_CC2520:
        szId= "2520";
        break;
    case HAL_RF_CHIP_ID_CC2530:
        szId= "2530";
        break;
    case HAL_RF_CHIP_ID_CC2531:
        szId= "2531";
        break;
    case HAL_RF_CHIP_ID_CC2510:
        szId= "2510";
        break;
    default:
        szId= "";
    };

    return szId;
}

/*******************************************************************************
* @fn          convInt32ToText
*
* @brief       Converts 32 bit int to text
*
* @param       int32 value
*
* @return      char* - pointer to text buffer which is a file scope allocated array
*/
char* convInt32ToText(int32 value)
{
    static char pValueToTextBuffer[12];
    char *pLast;
    char *pFirst;
    char last;
    uint8 negative;

    pLast = pValueToTextBuffer;

    // Record the sign of the value
    negative = (value < 0);
    value = ABS(value);

    // Print the value in the reverse order
    do {
        *(pLast++) = '0' + (uint8)(value % 10);
        value /= 10;
    } while (value);

    // Add the '-' when the number is negative, and terminate the string
    if (negative) *(pLast++) = '-';
    *(pLast--) = 0x00;

    // Now reverse the string
    pFirst = pValueToTextBuffer;
    while (pLast > pFirst) {
        last = *pLast;
        *(pLast--) = *pFirst;
        *(pFirst++) = last;
    }

    return pValueToTextBuffer;
}

#ifndef WIN32
/*******************************************************************************
* @fn          min
*
* @brief       Return minimum of two values
*
* @param       uint8 v1 - value 1
*              uint8 v2 - value 2
*
* @return      uint8 - minimum of two values
*/
uint8 min(uint8 v1, uint8 v2)
{
    if(v1 < v2)
        return v1;
    else return v2;
}

/*******************************************************************************
* @fn          utilReverseBuf
*
* @brief       reverse buffer
*
* @param       uint8 pBuf - pointer to buffer
*              uint8 length - length of buffer
*
* @return      void
*/
void utilReverseBuf(uint8* pBuf, uint8 length)
{
   uint8 temp;
   uint8* pBufLast = (pBuf + length - 1);

   while(pBufLast > pBuf){
     temp = *pBuf;
     *pBuf++ = *pBufLast;
     *pBufLast-- = temp;	
  }
}
#endif

/*------------------------------------------------------------------------------
										  0ooo                                     
								ooo0	 (	 )                                     
								(	)	  ) /                                      
								 \ (	 (_/                                       
								  \_)		 Modify By:cuiqingwei [gary]                  
------------------------------------------------------------------------------*/