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/**
******************************************************************************
* @file lib_comp.c
* @author Application Team
* @version V4.4.0
* @date 2018-09-27
* @brief COMP library.
******************************************************************************
* @attention
*
******************************************************************************
*/
#include "lib_comp.h"
extern __IO uint32_t ana_reg3_tmp;
/**
* @brief Comparator debounce configure.
* @param COMPx:
COMP_1
COMP_2
Debounce:
COMP_DEB_0
COMP_DEB_1
COMP_DEB_2
COMP_DEB_3
* @retval None
*/
void COMP_DEBConfig(uint32_t COMPx, uint32_t Debounce)
{
uint32_t tmp;
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
assert_parameters(IS_COMP_DEB(Debounce));
tmp = ANA->CTRL;
tmp &= ~(ANA_CTRL_CMP1DEB << COMPx);
tmp |= Debounce << COMPx;
ANA->CTRL = tmp;
}
/**
* @brief Comparator mode configure.
* @param COMPx:
COMP_1
COMP_2
Mode:
COMP_MODE_OFF
COMP_MODE_RISING
COMP_MODE_FALLING
COMP_MODE_BOTH
* @retval None
*/
void COMP_ModeConfig(uint32_t COMPx, uint32_t Mode)
{
uint32_t tmp;
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
assert_parameters(IS_COMP_MODE(Mode));
tmp = ANA->CTRL;
tmp &= ~(ANA_CTRL_COMP1_SEL << COMPx);
tmp |= Mode << COMPx;
ANA->CTRL = tmp;
}
/**
* @brief Configure signal source.
* @param COMPx:
* COMP_1
* COMP_2
* SourceSelect:
* COMP_SIGNALSRC_P_TO_REF
* COMP_SIGNALSRC_N_TO_REF
* COMP_SIGNALSRC_P_TO_N
* @retval None
*/
void COMP_SignalSourceConfig(uint32_t COMPx, uint32_t SourceSelect)
{
uint32_t tmp;
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
assert_parameters(IS_COMP_SIGNALSRC(SourceSelect));
tmp = ANA->REG2;
tmp &= ~(ANA_REG2_CMP1_SEL << COMPx);
tmp |= SourceSelect << COMPx;
ANA->REG2 = tmp;
}
/**
* @brief Comparator configure REF selection.
* @param COMPx:
* COMP_1
* COMP_2
* REFSelect:
* COMP_REF_VREF
* COMP_REF_BGPREF
* @retval None
*/
void COMP_REFConfig(uint32_t COMPx, uint32_t REFSelect)
{
uint32_t tmp;
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
assert_parameters(IS_COMP_REF(REFSelect));
tmp = ANA->REG2;
tmp &= ~(ANA_REG2_REFSEL_CMP1 << (COMPx / 2));
tmp |= REFSelect << (COMPx / 2);
ANA->REG2 = tmp;
}
/**
* @brief Comparator configure Bias current selection.
* @param COMPx:
* COMP_1
* COMP_2
* BiasSel:
* COMP_BIAS_20nA
* COMP_BIAS_100nA
* COMP_BIAS_500nA
* @retval None
*/
void COMP_BiasConfig(uint32_t COMPx, uint32_t BiasSel)
{
uint32_t tmp;
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
assert_parameters(IS_COMP_BIAS(BiasSel));
tmp = ANA->REG5;
tmp &= ~(ANA_REG5_IT_CMP1 << COMPx);
tmp |= BiasSel << COMPx;
ANA->REG5 = tmp;
}
/**
* @brief Get comparator count value.
* @param COMPx:
COMP_1
COMP_2
* @retval Comparator count value.
*/
uint32_t COMP_GetCNTValue(uint32_t COMPx)
{
__IO uint32_t *addr;
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
addr = &ANA->CMPCNT1 + (COMPx / 2);
return (*addr);
}
/**
* @brief Clear comparator counter value.
* @param COMPx:
COMP_1
COMP_2
* @retval None
*/
void COMP_ClearCNTValue(uint32_t COMPx)
{
__IO uint32_t *addr;
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
addr = &ANA->CMPCNT1 + (COMPx / 2);
*addr = 0;
}
/**
* @brief comparator output enable control.
* @param COMPx:
COMP_1
COMP_2
NewState:
ENABLE
DISABLE
* @retval None
*/
void COMP_Output_Cmd(uint32_t COMPx, uint32_t NewState)
{
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
assert_parameters(IS_FUNCTIONAL_STATE(NewState));
if (NewState == ENABLE)
{
if (COMPx == COMP_1)
GPIOAF->SELE |= IOE_SEL_SEL7;
else
PMU->IOASEL |= PMU_IOASEL_SEL6;
}
else
{
if (COMPx == COMP_1)
GPIOAF->SELE &= ~IOE_SEL_SEL7;
else
PMU->IOASEL &= ~PMU_IOASEL_SEL6;
}
}
/**
* @brief Comparator enable control.
* @param COMPx:
COMP_1
COMP_2
NewState:
ENABLE
DISABLE
* @retval None
*/
void COMP_Cmd(uint32_t COMPx, uint32_t NewState)
{
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
assert_parameters(IS_FUNCTIONAL_STATE(NewState));
if (COMPx == COMP_1)
{
if (NewState == ENABLE)
ana_reg3_tmp |= ANA_REG3_CMP1PDN;
else
ana_reg3_tmp &= ~ANA_REG3_CMP1PDN;
}
else
{
if (NewState == ENABLE)
ana_reg3_tmp |= ANA_REG3_CMP2PDN;
else
ana_reg3_tmp &= ~ANA_REG3_CMP2PDN;
}
ANA->REG3 = ana_reg3_tmp;
}
/**
* @brief Get comparator 1 output level
* @param None
* @retval None
*/
uint8_t COMP1_GetOutputLevel(void)
{
if (ANA->COMPOUT & ANA_COMPOUT_COMP1)
return 1;
else
return 0;
}
/**
* @brief Get comparator 2 output level
* @param None
* @retval None
*/
uint8_t COMP2_GetOutputLevel(void)
{
if (ANA->COMPOUT & ANA_COMPOUT_COMP2)
return 1;
else
return 0;
}
/**
* @brief Comparator interrupt enable control.
* @param COMPx:
* COMP_1
* COMP_2
* NewState:
* ENABLE
* DISABLE
* @retval None
*/
void COMP_INTConfig(uint32_t COMPx, uint32_t NewState)
{
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
if (NewState == ENABLE)
{
ANA->INTEN |= ANA_INTEN_INTEN2 << (COMPx/2);
}
else
{
ANA->INTEN &= ~(ANA_INTEN_INTEN2 << (COMPx/2));
}
}
/**
* @brief Get comparator interrupt flag status.
* @param COMPx:
* COMP_1
* COMP_2
* @retval flag status
* 0: status not set
* 1: status set
*/
uint8_t COMP_GetINTStatus(uint32_t COMPx)
{
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
if (ANA->INTSTS & (ANA_INTSTS_INTSTS2 << (COMPx/2)))
{
return 1;
}
else
{
return 0;
}
}
/**
* @brief Clear comparator interrupt flag.
* @param COMPx:
* COMP_1
* COMP_2
* @retval None
*/
void COMP_ClearINTStatus(uint32_t COMPx)
{
/* Check parameters */
assert_parameters(IS_COMP(COMPx));
ANA->INTSTS = ANA_INTSTS_INTSTS2 << (COMPx/2);
}
/*********************************** END OF FILE ******************************/
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