//###########################################################################
//
// FILE:   DSP281x_Adc.h
//
// TITLE:  DSP281x Device ADC Register Definitions.
//
//###########################################################################
//
//  Ver | dd mmm yyyy | Who  | Description of changes
// =====|=============|======|===============================================
//  1.00| 11 Sep 2003 | L.H. | Changes since previous version (v.58 Alpha)
//      |             |      | Separated the MAX_CONV bit fields into two
//      |             |      | MAX_CONV1  // 3:0
//      |             |      | MAX_CONV2  // 6:4
//      |             |      | Added SEQ_OVRD bit to ADCTRL1 for RevC and after silicon
//###########################################################################

#ifndef DSP281x_ADC_H
#define DSP281x_ADC_H

#ifdef __cplusplus
extern "C" {
#endif


//---------------------------------------------------------------------------
// ADC Individual Register Bit Definitions:

struct ADCTRL1_BITS {     // bits  description
    Uint16  rsvd1:4;      // 3:0   reserved
    Uint16  SEQ_CASC:1;   // 4     Cascaded sequencer mode
    Uint16  SEQ_OVRD:1;   // 5     Sequencer override 
    Uint16  CONT_RUN:1;   // 6     Continuous run
    Uint16  CPS:1;        // 7     ADC core clock pre-scalar
    Uint16  ACQ_PS:4;     // 11:8  Acquisition window size
    Uint16  SUSMOD:2;     // 13:12 Emulation suspend mode
    Uint16  RESET:1;      // 14    ADC reset
    Uint16  rsvd2:1;      // 15    reserved
};


union ADCTRL1_REG {
   Uint16                all;
   struct ADCTRL1_BITS   bit;
};


struct ADCTRL2_BITS {         // bits  description
    Uint16  EVB_SOC_SEQ2:1;   // 0     Event manager B SOC mask for SEQ2
    Uint16  rsvd1:1;          // 1     reserved
    Uint16  INT_MOD_SEQ2:1;   // 2     SEQ2 Interrupt mode
    Uint16  INT_ENA_SEQ2:1;   // 3     SEQ2 Interrupt enable
    Uint16  rsvd2:1;          // 4     reserved
    Uint16  SOC_SEQ2:1;       // 5     Start of conversion for SEQ2
    Uint16  RST_SEQ2:1;       // 6     Reset SEQ2
    Uint16  EXT_SOC_SEQ1:1;   // 7     External start of conversion for SEQ1
    Uint16  EVA_SOC_SEQ1:1;   // 8     Event manager A SOC mask for SEQ1
    Uint16  rsvd3:1;          // 9     reserved
    Uint16  INT_MOD_SEQ1:1;   // 10    SEQ1 Interrupt mode
    Uint16  INT_ENA_SEQ1:1;   // 11    SEQ1 Interrupt enable
    Uint16  rsvd4:1;          // 12    reserved
    Uint16  SOC_SEQ1:1;       // 13    Start of conversion trigger for SEQ1
    Uint16  RST_SEQ1:1;       // 14    Restart sequencer 1   
    Uint16  EVB_SOC_SEQ:1;    // 15    EVB SOC enable
};


union ADCTRL2_REG {
   Uint16                all;
   struct ADCTRL2_BITS   bit;
};


struct ADCASEQSR_BITS {       // bits   description
    Uint16  SEQ1_STATE:4;     // 3:0    SEQ1 state
    Uint16  SEQ2_STATE:3;     // 6:4    SEQ2 state
    Uint16  rsvd1:1;          // 7      reserved
    Uint16  SEQ_CNTR:4;       // 11:8   Sequencing counter status 
    Uint16  rsvd2:4;          // 15:12  reserved  
};

union ADCASEQSR_REG {
   Uint16                 all;
   struct ADCASEQSR_BITS  bit;
};


struct ADCMAXCONV_BITS {      // bits  description
    Uint16  MAX_CONV1:4;      // 3:0   Max number of conversions
    Uint16  MAX_CONV2:3;      // 6:4   Max number of conversions    
    Uint16  rsvd1:9;          // 15:7  reserved 
};

union ADCMAXCONV_REG {
   Uint16                  all;
   struct ADCMAXCONV_BITS  bit;
};


struct ADCCHSELSEQ1_BITS {    // bits   description
    Uint16  CONV00:4;         // 3:0    Conversion selection 00
    Uint16  CONV01:4;         // 7:4    Conversion selection 01
    Uint16  CONV02:4;         // 11:8   Conversion selection 02
    Uint16  CONV03:4;         // 15:12  Conversion selection 03
};

union  ADCCHSELSEQ1_REG{
   Uint16                    all;
   struct ADCCHSELSEQ1_BITS  bit;
};

struct ADCCHSELSEQ2_BITS {    // bits   description
    Uint16  CONV04:4;         // 3:0    Conversion selection 04
    Uint16  CONV05:4;         // 7:4    Conversion selection 05
    Uint16  CONV06:4;         // 11:8   Conversion selection 06
    Uint16  CONV07:4;         // 15:12  Conversion selection 07
};

union  ADCCHSELSEQ2_REG{
   Uint16                    all;
   struct ADCCHSELSEQ2_BITS  bit;
};

struct ADCCHSELSEQ3_BITS {    // bits   description
    Uint16  CONV08:4;         // 3:0    Conversion selection 08
    Uint16  CONV09:4;         // 7:4    Conversion selection 09
    Uint16  CONV10:4;         // 11:8   Conversion selection 10
    Uint16  CONV11:4;         // 15:12  Conversion selection 11
};

union  ADCCHSELSEQ3_REG{
   Uint16                    all;
   struct ADCCHSELSEQ3_BITS  bit;
};

struct ADCCHSELSEQ4_BITS {    // bits   description
    Uint16  CONV12:4;         // 3:0    Conversion selection 12
    Uint16  CONV13:4;         // 7:4    Conversion selection 13
    Uint16  CONV14:4;         // 11:8   Conversion selection 14
    Uint16  CONV15:4;         // 15:12  Conversion selection 15
};

union  ADCCHSELSEQ4_REG {
   Uint16                    all;
   struct ADCCHSELSEQ4_BITS  bit;
};

struct ADCTRL3_BITS {         // bits   description
    Uint16   SMODE_SEL:1;     // 0      Sampling mode select
    Uint16   ADCCLKPS:4;      // 4:1    ADC core clock divider
    Uint16   ADCPWDN:1;       // 5      ADC powerdown
    Uint16   ADCBGRFDN:2;     // 7:6    ADC bandgap/ref power down
    Uint16   rsvd1:8;         // 15:8   reserved
}; 

union  ADCTRL3_REG {
   Uint16                all;
   struct ADCTRL3_BITS   bit;
};


struct ADCST_BITS {           // bits   description
    Uint16   INT_SEQ1:1;      // 0      SEQ1 Interrupt flag  
    Uint16   INT_SEQ2:1;      // 1      SEQ2 Interrupt flag
    Uint16   SEQ1_BSY:1;      // 2      SEQ1 busy status
    Uint16   SEQ2_BSY:1;      // 3      SEQ2 busy status
    Uint16   INT_SEQ1_CLR:1;  // 4      SEQ1 Interrupt clear
    Uint16   INT_SEQ2_CLR:1;  // 5      SEQ2 Interrupt clear
    Uint16   EOS_BUF1:1;      // 6      End of sequence buffer1
    Uint16   EOS_BUF2:1;      // 7      End of sequence buffer2
    Uint16   rsvd1:8;         // 15:8   reserved
};


union  ADCST_REG {
   Uint16             all;
   struct ADCST_BITS  bit;
};


struct ADC_REGS {
    union ADCTRL1_REG      ADCTRL1;       // ADC Control 1
    union ADCTRL2_REG      ADCTRL2;       // ADC Control 2
    union ADCMAXCONV_REG   ADCMAXCONV;    // Max conversions
    union ADCCHSELSEQ1_REG ADCCHSELSEQ1;  // Channel select sequencing control 1
    union ADCCHSELSEQ2_REG ADCCHSELSEQ2;  // Channel select sequencing control 2
    union ADCCHSELSEQ3_REG ADCCHSELSEQ3;  // Channel select sequencing control 3
    union ADCCHSELSEQ4_REG ADCCHSELSEQ4;  // Channel select sequencing control 4
    union ADCASEQSR_REG    ADCASEQSR;     // Autosequence status register
    Uint16                 ADCRESULT0;    // Conversion Result Buffer 0
    Uint16                 ADCRESULT1;    // Conversion Result Buffer 1
    Uint16                 ADCRESULT2;    // Conversion Result Buffer 2
    Uint16                 ADCRESULT3;    // Conversion Result Buffer 3
    Uint16                 ADCRESULT4;    // Conversion Result Buffer 4
    Uint16                 ADCRESULT5;    // Conversion Result Buffer 5
    Uint16                 ADCRESULT6;    // Conversion Result Buffer 6
    Uint16                 ADCRESULT7;    // Conversion Result Buffer 7
    Uint16                 ADCRESULT8;    // Conversion Result Buffer 8
    Uint16                 ADCRESULT9;    // Conversion Result Buffer 9
    Uint16                 ADCRESULT10;   // Conversion Result Buffer 10
    Uint16                 ADCRESULT11;   // Conversion Result Buffer 11
    Uint16                 ADCRESULT12;   // Conversion Result Buffer 12
    Uint16                 ADCRESULT13;   // Conversion Result Buffer 13
    Uint16                 ADCRESULT14;   // Conversion Result Buffer 14
    Uint16                 ADCRESULT15;   // Conversion Result Buffer 15
    union ADCTRL3_REG      ADCTRL3;       // ADC Control 3  
    union ADCST_REG        ADCST;         // ADC Status Register
};


//---------------------------------------------------------------------------
// ADC External References & Function Declarations:
//
extern volatile struct ADC_REGS AdcRegs;


#ifdef __cplusplus
}
#endif /* extern "C" */


#endif  // end of DSP281x_ADC_H definition

//===========================================================================
// No more.
//===========================================================================