comp.h

Go to the documentation of this file.

/* --COPYRIGHT--,BSD
 * Copyright (c) 2015, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * --/COPYRIGHT--*/
#ifndef _COMP_H_
#define _COMP_H_



// **************************************************************************
// the includes

// drivers
#include "sw/drivers/cpu/src/32b/f28x/f2806x/cpu.h"




#ifdef __cplusplus
extern "C" {
#endif


// **************************************************************************
// the defines


#define COMP1_BASE_ADDR              (0x00006400)

#define COMP2_BASE_ADDR              (0x00006420)

#define COMP3_BASE_ADDR              (0x00006440)


#define COMP_COMPCTL_COMPDACE_BITS          (1 << 0)

#define COMP_COMPCTL_COMPSOURCE_BITS        (1 << 1)

#define COMP_COMPCTL_CMPINV_BITS            (1 << 2)

#define COMP_COMPCTL_QUALSEL_BITS           (31 << 3)

#define COMP_COMPCTL_SYNCSEL_BITS           (1 << 8)
    

#define COMP_COMPSTS_COMPSTS_BITS           (1 << 0)
    

#define COMP_DACCTL_DACSOURCE_BITS          (1 << 0)

#define COMP_DACCTL_RAMPSOURCE_BITS         (15 << 1)

#define COMP_DACCTL_FREESOFT_BITS           (3 << 14)


// **************************************************************************
// the typedefs

typedef enum
{
    COMP_QualSel_Sync = (0 << 3),       
    COMP_QualSel_Qual_2 = (1 << 3),     
    COMP_QualSel_Qual_3 = (2 << 3),     
    COMP_QualSel_Qual_4 = (3 << 3),     
    COMP_QualSel_Qual_5 = (3 << 3),     
    COMP_QualSel_Qual_6 = (4 << 3),     
    COMP_QualSel_Qual_7 = (5 << 3),     
    COMP_QualSel_Qual_8 = (6 << 3),     
    COMP_QualSel_Qual_9 = (7 << 3),     
    COMP_QualSel_Qual_10 = (8 << 3),    
    COMP_QualSel_Qual_11 = (9 << 3),    
    COMP_QualSel_Qual_12 = (10 << 3),   
    COMP_QualSel_Qual_13 = (11 << 3),   
    COMP_QualSel_Qual_14 = (12 << 3),   
    COMP_QualSel_Qual_15 = (13 << 3),   
    COMP_QualSel_Qual_16 = (14 << 3),   
    COMP_QualSel_Qual_17 = (15 << 3),   
    COMP_QualSel_Qual_18 = (16 << 3),   
    COMP_QualSel_Qual_19 = (17 << 3),   
    COMP_QualSel_Qual_20 = (18 << 3),   
    COMP_QualSel_Qual_21 = (19 << 3),   
    COMP_QualSel_Qual_22 = (20 << 3),   
    COMP_QualSel_Qual_23 = (21 << 3),   
    COMP_QualSel_Qual_24 = (22 << 3),   
    COMP_QualSel_Qual_25 = (23 << 3),   
    COMP_QualSel_Qual_26 = (24 << 3),   
    COMP_QualSel_Qual_27 = (25 << 3),   
    COMP_QualSel_Qual_28 = (26 << 3),   
    COMP_QualSel_Qual_29 = (27 << 3),   
    COMP_QualSel_Qual_30 = (28 << 3),   
    COMP_QualSel_Qual_31 = (29 << 3),   
    COMP_QualSel_Qual_32 = (30 << 3),   
    COMP_QualSel_Qual_33 = (31 << 3)    
} COMP_QualSel_e;


typedef enum
{
    COMP_RampSyncSrc_PWMSYNC1 = (0 << 1),       
    COMP_RampSyncSrc_PWMSYNC2 = (1 << 1),       
    COMP_RampSyncSrc_PWMSYNC3 = (2 << 1),       
    COMP_RampSyncSrc_PWMSYNC4 = (3 << 1)        
} COMP_RampSyncSrc_e;


typedef struct _COMP_Obj_
{
    volatile uint16_t    COMPCTL;            
    volatile uint16_t    rsvd_1;             
    volatile uint16_t    COMPSTS;            
    volatile uint16_t    rsvd_2;             
    volatile uint16_t    DACCTL;             
    volatile uint16_t    rsvd_3;             
    volatile uint16_t    DACVAL;             
    volatile uint16_t    rsvd_4;             
    volatile uint16_t    RAMPMAXREF_ACTIVE;  
    volatile uint16_t    rsvd_5;             
    volatile uint16_t    RAMPMAXREF_SHADOW;  
    volatile uint16_t    rsvd_6;             
    volatile uint16_t    RAMPDECVAL_ACTIVE;  
    volatile uint16_t    rsvd_7;             
    volatile uint16_t    RAMPDECVAL_SHADOW;  
    volatile uint16_t    rsvd_8;             
    volatile uint16_t    RAMPSTS;            
} COMP_Obj;


typedef struct _COMP_Obj_ *COMP_Handle;


// **************************************************************************
// the globals


// **************************************************************************
// the function prototypes

extern void COMP_disable(COMP_Handle compHandle);


extern void COMP_disableDac(COMP_Handle compHandle);


extern void COMP_enable(COMP_Handle compHandle);


extern void COMP_enableDac(COMP_Handle compHandle);


extern COMP_Handle COMP_init(void *pMemory, const size_t numBytes);


static inline void COMP_setDacValue(COMP_Handle compHandle, uint16_t dacValue)
{
    COMP_Obj *comp = (COMP_Obj *)compHandle;
        
    comp->DACVAL = dacValue;
    
    return;
}


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

#endif // end of _COMP_H_ definition