opa.h

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/**************************************************************************/
#ifndef __OPA_H__
#define __OPA_H__

#ifdef __cplusplus
extern "C"
{
#endif


#define OPA_CALIBRATION_CLK_1K                        (0UL)                     
#define OPA_CALIBRATION_RV_1_2_AVDD                   (0UL)                     
#define OPA_CALIBRATION_RV_H_L_VCM                    (1UL)                     
 /* end of group OPA_EXPORTED_CONSTANTS */

/*---------------------------------------------------------------------------------------------------------*/
/* Define OPA functions prototype                                                                         */
/*---------------------------------------------------------------------------------------------------------*/
__STATIC_INLINE int32_t OPA_Calibration(OPA_T *opa, uint32_t u32OpaNum, uint32_t u32ClockSel, uint32_t u32LevelSel);

#define OPA_POWER_ON(opa, u32OpaNum) ((opa)->CTL |= (1UL<<(OPA_CTL_OPEN0_Pos+(u32OpaNum))))

#define OPA_POWER_DOWN(opa, u32OpaNum) ((opa)->CTL &= ~(1UL<<(OPA_CTL_OPEN0_Pos+(u32OpaNum))))

#define OPA_ENABLE_SCH_TRIGGER(opa, u32OpaNum) ((opa)->CTL |= (1UL<<(OPA_CTL_OPDOEN0_Pos+(u32OpaNum))))

#define OPA_DISABLE_SCH_TRIGGER(opa, u32OpaNum) ((opa)->CTL &= ~(1UL<<(OPA_CTL_OPDOEN0_Pos+(u32OpaNum))))

#define OPA_ENABLE_INT(opa, u32OpaNum) ((opa)->CTL |= (1UL<<(OPA_CTL_OPDOIEN0_Pos+(u32OpaNum))))

#define OPA_DISABLE_INT(opa, u32OpaNum) ((opa)->CTL &= ~(1UL<<(OPA_CTL_OPDOIEN0_Pos+(u32OpaNum))))

#define OPA_GET_DIGITAL_OUTPUT(opa, u32OpaNum) (((opa)->STATUS & (OPA_STATUS_OPDO0_Msk<<(u32OpaNum)))?1UL:0UL)

#define OPA_GET_INT_FLAG(opa, u32OpaNum) (((opa)->STATUS & (OPA_STATUS_OPDOIF0_Msk<<(u32OpaNum)))?1UL:0UL)

#define OPA_CLR_INT_FLAG(opa, u32OpaNum) ((opa)->STATUS = (OPA_STATUS_OPDOIF0_Msk<<(u32OpaNum)))


__STATIC_INLINE int32_t OPA_Calibration(OPA_T *opa,
                                        uint32_t u32OpaNum,
                                        uint32_t u32ClockSel,
                                        uint32_t u32RefVol)
{
    uint32_t u32CALResult;
    int32_t i32Ret = 0L;

    (opa)->CALCTL = (((opa)->CALCTL) & ~(OPA_CALCTL_CALCLK0_Msk << (u32OpaNum << 1)));
    (opa)->CALCTL = (((opa)->CALCTL) & ~(OPA_CALCTL_CALRVS0_Msk << (u32OpaNum))) | (((u32RefVol) << OPA_CALCTL_CALRVS0_Pos) << (u32OpaNum));
    (opa)->CALCTL |= (OPA_CALCTL_CALTRG0_Msk << (u32OpaNum));
    while((opa)->CALCTL & (OPA_CALCTL_CALTRG0_Msk << (u32OpaNum))) {}

    u32CALResult = ((opa)->CALST >> ((u32OpaNum)*4U)) & (OPA_CALST_CALNS0_Msk|OPA_CALST_CALPS0_Msk);
    if (u32CALResult == 0U)
    {
        i32Ret = 0L;
    }
    else if (u32CALResult == OPA_CALST_CALNS0_Msk)
    {
        i32Ret = -2L;
    }
    else if (u32CALResult == OPA_CALST_CALPS0_Msk)
    {
        i32Ret = -1L;
    }
    else if (u32CALResult == (OPA_CALST_CALNS0_Msk|OPA_CALST_CALPS0_Msk))
    {
        i32Ret = -3L;
    }

    return i32Ret;
}

#define OPA_Reset() \
do { \
    SYS->IPRST2 |= SYS_IPRST2_OPARST_Msk; \
    SYS->IPRST2 &= ~SYS_IPRST2_OPARST_Msk; \
} while(0)
 /* end of group OPA_EXPORTED_FUNCTIONS */
 /* end of group OPA_Driver */
 /* end of group Standard_Driver */

#ifdef __cplusplus
}
#endif

#endif /* __OPA_H__ */

/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/