#define TX_ACTIVE_FLAG      0x10
#define FIFO_FLAG           0x08
#define FIFOP_FLAG          0x04
#define SFD_FLAG            0x02
#define CCA_FLAG            0x01

// Radio status states
#define TX_ACTIVE   (RFSTATUS & TX_ACTIVE_FLAG)
#define FIFO        (RFSTATUS & FIFO_FLAG)
#define FIFOP       (RFSTATUS & FIFOP_FLAG)
#define SFD         (RFSTATUS & SFD_FLAG)
#define CCA         (RFSTATUS & CCA_FLAG)

// Various radio settings
#define PAN_COORDINATOR     0x10
#define ADR_DECODE          0x08
#define AUTO_CRC            0x20
#define AUTO_ACK            0x10
#define AUTO_TX2RX_OFF      0x08
#define RX2RX_TIME_OFF      0x04
#define ACCEPT_ACKPKT       0x01






//-----------------------------------------------------------------------------
// Command Strobe Processor (CSP) instructions
//-----------------------------------------------------------------------------
#define DECZ        do{RFST = 0xBF;                       }while(0)
#define DECY        do{RFST = 0xBE;                       }while(0)
#define INCY        do{RFST = 0xBD;                       }while(0)
#define INCMAXY(m)  do{RFST = (0xB8 | m);                 }while(0) // m < 8 !!
#define RANDXY      do{RFST = 0xBC;                       }while(0)
#define INT         do{RFST = 0xB9;                       }while(0)
#define WAITX       do{RFST = 0xBB;                       }while(0)
#define WAIT(w)     do{RFST = (0x80 | w);                 }while(0) // w < 64 !!
#define WEVENT      do{RFST = 0xB8;                       }while(0)
#define LABEL       do{RFST = 0xBA;                       }while(0)
#define RPT(n,c)    do{RFST = (0xA0 | (n << 3) | c);      }while(0) // n = TRUE/FALSE && (c < 8)
#define SKIP(s,n,c) do{RFST = ((s << 4) | (n << 3) | c);  }while(0) // && (s < 8)
#define STOP        do{RFST = 0xDF;                       }while(0)
#define SNOP        do{RFST = 0xC0;                       }while(0)
#define STXCALN     do{RFST = 0xC1;                       }while(0)
#define SRXON       do{RFST = 0xC2;                       }while(0)
#define STXON       do{RFST = 0xC3;                       }while(0)
#define STXONCCA    do{RFST = 0xC4;                       }while(0)
#define SRFOFF      do{RFST = 0xC5;                       }while(0)
#define SFLUSHRX    do{RFST = 0xC6;                       }while(0)
#define SFLUSHTX    do{RFST = 0xC7;                       }while(0)
#define SACK        do{RFST = 0xC8;                       }while(0)
#define SACKPEND    do{RFST = 0xC9;                       }while(0)
#define ISSTOP      do{RFST = 0xFF;                       }while(0)
#define ISSTART     do{RFST = 0xFE;                       }while(0)
#define ISTXCALN    do{RFST = 0xE1;                       }while(0)
#define ISRXON      do{RFST = 0xE2;                       }while(0)
#define ISTXON      do{RFST = 0xE3;                       }while(0)
#define ISTXONCCA   do{RFST = 0xE4;                       }while(0)
#define ISRFOFF     do{RFST = 0xE5;                       }while(0)
#define ISFLUSHRX   do{RFST = 0xE6;                       }while(0)
#define ISFLUSHTX   do{RFST = 0xE7;                       }while(0)
#define ISACK       do{RFST = 0xE8;                       }while(0)
#define ISACKPEND   do{RFST = 0xE9;                       }while(0)

#define PACKET_FOOTER_SIZE 2    //bytes after the payload


/******************************************************************************
*******************              Utility functions          *******************
******************************************************************************/

/******************************************************************************
* @fn  halWait
*
* @brief
*      This function waits approximately a given number of m-seconds
*      regardless of main clock speed.
*
* Parameters:
*
* @param  BYTE	 wait
*         The number of m-seconds to wait.
*
* @return void
*
******************************************************************************/
void halWait(BYTE wait);



/******************************************************************************
*******************             ADC macros/functions        *******************
*******************************************************************************

These functions/macros simplifies usage of the ADC.

******************************************************************************/
// Macro for setting up a single conversion. If ADCCON1.STSEL = 11, using this
// macro will also start the conversion.
#define ADC_SINGLE_CONVERSION(settings) \
   do{ ADCCON3 = settings; }while(0)

// Macro for setting up a single conversion
#define ADC_SEQUENCE_SETUP(settings) \
   do{ ADCCON2 = settings; }while(0)

// Where _settings_ are the following:
// Reference voltage:
#define ADC_REF_1_25_V      0x00     // Internal 1.25V reference
#define ADC_REF_P0_7        0x40     // External reference on AIN7 pin
#define ADC_REF_AVDD        0x80     // AVDD_SOC pin
#define ADC_REF_P0_6_P0_7   0xC0     // External reference on AIN6-AIN7 differential input

// Resolution (decimation rate):
#define ADC_8_BIT           0x00     //  64 decimation rate
#define ADC_10_BIT          0x10     // 128 decimation rate
#define ADC_12_BIT          0x20     // 256 decimation rate
#define ADC_14_BIT          0x30     // 512 decimation rate
// Input channel:
#define ADC_AIN0            0x00     // single ended P0_0
#define ADC_AIN1            0x01     // single ended P0_1
#define ADC_AIN2            0x02     // single ended P0_2
#define ADC_AIN3            0x03     // single ended P0_3
#define ADC_AIN4            0x04     // single ended P0_4
#define ADC_AIN5            0x05     // single ended P0_5
#define ADC_AIN6            0x06     // single ended P0_6
#define ADC_AIN7            0x07     // single ended P0_7
#define ADC_GND             0x0C     // Ground
#define ADC_TEMP_SENS       0x0E     // on-chip temperature sensor
#define ADC_VDD_3           0x0F     // (vdd/3)


//-----------------------------------------------------------------------------
// Macro for starting the ADC in continuous conversion mode
#define ADC_SAMPLE_CONTINUOUS() \
   do { ADCCON1 &= ~0x30; ADCCON1 |= 0x10; } while (0)

// Macro for stopping the ADC in continuous mode (and setting the ADC to be
// started manually by ADC_SAMPLE_SINGLE() )
#define ADC_STOP() \
  do { ADCCON1 |= 0x30; } while (0)

// Macro for initiating a single sample in single-conversion mode (ADCCON1.STSEL = 11).
#define ADC_SAMPLE_SINGLE() \
  do { ADC_STOP(); ADCCON1 |= 0x40;  } while (0)

// Macro for configuring the ADC to be started from T1 channel 0. (T1 ch 0 must be in compare mode!!)
#define ADC_TRIGGER_FROM_TIMER1()  do { ADC_STOP(); ADCCON1 &= ~0x10;  } while (0)

// Expression indicating whether a conversion is finished or not.
#define ADC_SAMPLE_READY()  (ADCCON1 & 0x80)

// Macro for setting/clearing a channel as input of the ADC
#define ADC_ENABLE_CHANNEL(ch)   ADCCFG |=  (0x01<<ch)
#define ADC_DISABLE_CHANNEL(ch)  ADCCFG &= ~(0x01<<ch)



/******************************************************************************
* @fn  halAdcSampleSingle
*
* @brief
*      This function makes the adc sample the given channel at the given
*      resolution with the given reference.
*
* Parameters:
*
* @param BYTE reference
*          The reference to compare the channel to be sampled.
*        BYTE resolution
*          The resolution to use during the sample (8, 10, 12 or 14 bit)
*        BYTE input
*          The channel to be sampled.
*
* @return INT16
*          The conversion result
*
******************************************************************************/
INT16 halAdcSampleSingle(BYTE reference, BYTE resolution, UINT8 input);



/******************************************************************************
* @fn  halGetAdcValue
*
* @brief
*      Returns the result of the last ADC conversion.
*
* Parameters:
*
* @param  void
*
* @return INT16
*         The ADC value
*
******************************************************************************/
INT16 halGetAdcValue(void);


/******************************************************************************
*******************      Power and clock management        ********************
*******************************************************************************

These macros are used to set power-mode, clock source and clock speed.

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

// Macro for getting the clock division factor
#define CLKSPD  (CLKCON & 0x07)

// Macro for getting the timer tick division factor.
#define TICKSPD ((CLKCON & 0x38) >> 3)

// Macro for checking status of the crystal oscillator
#define XOSC_STABLE (SLEEP & 0x40)

// Macro for checking status of the high frequency RC oscillator.
#define HIGH_FREQUENCY_RC_OSC_STABLE    (SLEEP & 0x20)


// Macro for setting power mode
#define SET_POWER_MODE(mode)                   \
   do {                                        \
      if(mode == 0)        { SLEEP &= ~0x03; } \
      else if (mode == 3)  { SLEEP |= 0x03;  } \
      else { SLEEP &= ~0x03; SLEEP |= mode;  } \
      PCON |= 0x01;                            \
      asm("NOP");                              \
   }while (0)


// Where _mode_ is one of
#define POWER_MODE_0  0x00  // Clock oscillators on, voltage regulator on
#define POWER_MODE_1  0x01  // 32.768 KHz oscillator on, voltage regulator on
#define POWER_MODE_2  0x02  // 32.768 KHz oscillator on, voltage regulator off
#define POWER_MODE_3  0x03  // All clock oscillators off, voltage regulator off

// Macro for setting the 32 KHz clock source
#define SET_32KHZ_CLOCK_SOURCE(source) \
   do {                                \
      if( source ) {                   \
         CLKCON |= 0x80;               \
      } else {                         \
         CLKCON &= ~0x80;              \
      }                                \
   } while (0)

// Where _source_ is one of
#define CRYSTAL 0x00
#define RC      0x01

// Macro for setting the main clock oscillator source,
//turns off the clock source not used
//changing to XOSC will take approx 150 us
#define SET_MAIN_CLOCK_SOURCE(source) \
   do {                               \
      if(source) {                    \
        CLKCON |= 0x40;               \
        while(!HIGH_FREQUENCY_RC_OSC_STABLE); \
        if(TICKSPD == 0){             \
          CLKCON |= 0x08;             \
        }                             \
        SLEEP |= 0x04;                \
      }                               \
      else {                          \
        SLEEP &= ~0x04;               \
        while(!XOSC_STABLE);          \
        asm("NOP");                   \
        CLKCON &= ~0x47;              \
        SLEEP |= 0x04;                \
      }                               \
   }while (0)








#endif //HAL_H