#include "fw_conf.h"
#include "fw_types.h"

Macros
#define	CMP_SetEnabled(__STATE__) SFR_ASSIGN(CMPCR1, 7, __STATE__)

#define	CMP_ClearInterrupt() SFR_ASSIGN(CMPCR1, 6, 0)

#define	CMP_OLD_SetPositiveInput(__INPUT__) SFR_ASSIGN(CMPCR1, 3, __INPUT__)

#define	CMP_SetPositiveInput(__INPUT__)

#define	CMP_OLD_SetNegativeInput(__INPUT__) SFR_ASSIGN(CMPCR1, 2, __INPUT__)

#define	CMP_SetNegativeInput(__INPUT__) SFRX_ASSIGN(CMPEXCFG, 2, __INPUT__)

#define	CMP_SetResultOutputState(__STATE__) SFR_ASSIGN(CMPCR1, 1, __STATE__)

#define	CMP_ReadResultOutput() (CMPCR1 & 0x01)

#define	CMP_SetResultOutputInvert(__STATE__) SFR_ASSIGN(CMPCR2, 7, __STATE__)

#define	CMP_SetFilterDisabled(__STATE__) SFR_ASSIGN(CMPCR2, 6, __STATE__)

#define	CMP_SetDebouncingClocks(__CLOCKS__) CMPCR2 = CMPCR2 & ~(0x3F) \| (__CLOCKS__ & 0x3F)

#define	CMP_SetHysteresis(__HYST__)

Enumerations
enum	CMP_OLD_PositiveInput_t { CMP_OLD_PositiveInput_P37 = 0x00 , CMP_OLD_PositiveInput_ADC = 0x01 }

enum	CMP_OLD_NegativeInput_t { CMP_OLD_NegativeInput_RefV = 0x00 , CMP_OLD_NegativeInput_P36 = 0x01 }

enum	CMP_PositiveInput_t { CMP_PositiveInput_P37 = 0x00 , CMP_PositiveInput_P50 = 0x01 , CMP_PositiveInput_P51 = 0x02 , CMP_PositiveInput_ADC = 0x03 }

enum	CMP_NegativeInput_t { CMP_NegativeInput_P36 = 0x00 , CMP_NegativeInput_RefV = 0x01 }

enum	CMP_Hysteresis_t { CMP_Hysteresis_0mV = 0x00 , CMP_Hysteresis_10mV = 0x01 , CMP_Hysteresis_20mV = 0x02 , CMP_Hysteresis_30mV = 0x03 }

Macro Definition Documentation

◆ CMP_ClearInterrupt

#define CMP_ClearInterrupt ( ) SFR_ASSIGN(CMPCR1, 6, 0)

Definition at line 81 of file fw_cmp.h.

◆ CMP_OLD_SetNegativeInput

#define CMP_OLD_SetNegativeInput ( __INPUT__ ) SFR_ASSIGN(CMPCR1, 2, __INPUT__)

for 2P+2N series. Set negative input pin, 0:1.19V ref, 1:P36

Definition at line 100 of file fw_cmp.h.

◆ CMP_OLD_SetPositiveInput

#define CMP_OLD_SetPositiveInput ( __INPUT__ ) SFR_ASSIGN(CMPCR1, 3, __INPUT__)

for 2P+2N series. Set positive input pin, 0:P36, 1:ADC

Definition at line 86 of file fw_cmp.h.

◆ CMP_ReadResultOutput

#define CMP_ReadResultOutput ( ) (CMPCR1 & 0x01)

Definition at line 112 of file fw_cmp.h.

◆ CMP_SetDebouncingClocks

#define CMP_SetDebouncingClocks ( __CLOCKS__ ) CMPCR2 = CMPCR2 & ~(0x3F) | (__CLOCKS__ & 0x3F)

Comparator result will be delayed for (CLOCKS + 2) clocks

Definition at line 126 of file fw_cmp.h.

◆ CMP_SetEnabled

#define CMP_SetEnabled ( __STATE__ ) SFR_ASSIGN(CMPCR1, 7, __STATE__)

Definition at line 80 of file fw_cmp.h.

◆ CMP_SetFilterDisabled

#define CMP_SetFilterDisabled ( __STATE__ ) SFR_ASSIGN(CMPCR2, 6, __STATE__)

0: Enable 0.1us analog filter 1: Disable 0.1us analog filter

Definition at line 122 of file fw_cmp.h.

◆ CMP_SetHysteresis

#define CMP_SetHysteresis ( __HYST__ )

Value:

                                        do{ \
                                        SFRX_ON(); \
                                        CMPEXCFG = CMPEXCFG & ~(0x03 << 6) | (__HYST__ << 6); \
                                        SFRX_OFF(); \
                                    } while(0)

Set comparator hysteresis for producing stable switching behavior.

Definition at line 130 of file fw_cmp.h.

◆ CMP_SetNegativeInput

#define CMP_SetNegativeInput ( __INPUT__ ) SFRX_ASSIGN(CMPEXCFG, 2, __INPUT__)

for 4P+2N series. Set negative input pin, 0:P36, 1:1.19Vref

Definition at line 105 of file fw_cmp.h.

◆ CMP_SetPositiveInput

#define CMP_SetPositiveInput ( __INPUT__ )

Value:

                                            do{ \
                                            SFRX_ON(); \
                                            CMPEXCFG = CMPEXCFG & ~(0x03) | (__INPUT__ & 0x03); \
                                            SFRX_OFF(); \
                                        } while(0)

for 4P+2N series. Set positive input pin, 0:P36, 1:P50, 2:P51, 3:ADC

Definition at line 91 of file fw_cmp.h.

◆ CMP_SetResultOutputInvert

#define CMP_SetResultOutputInvert ( __STATE__ ) SFR_ASSIGN(CMPCR2, 7, __STATE__)

0: P34/P41 output high when result is 1 1: P34/P41 output low when result is 1

Definition at line 117 of file fw_cmp.h.

◆ CMP_SetResultOutputState

#define CMP_SetResultOutputState ( __STATE__ ) SFR_ASSIGN(CMPCR1, 1, __STATE__)

Result output 0:no output, 1:output to P34 or P41

Definition at line 111 of file fw_cmp.h.

Enumeration Type Documentation

◆ CMP_Hysteresis_t

enum CMP_Hysteresis_t

Enumerator
CMP_Hysteresis_0mV
CMP_Hysteresis_10mV
CMP_Hysteresis_20mV
CMP_Hysteresis_30mV

Definition at line 72 of file fw_cmp.h.

{
    CMP_Hysteresis_0mV      = 0x00,
    CMP_Hysteresis_10mV     = 0x01,
    CMP_Hysteresis_20mV     = 0x02,
    CMP_Hysteresis_30mV     = 0x03,
} CMP_Hysteresis_t;

◆ CMP_NegativeInput_t

enum CMP_NegativeInput_t

Enumerator
CMP_NegativeInput_P36
CMP_NegativeInput_RefV

Definition at line 66 of file fw_cmp.h.

{
    CMP_NegativeInput_P36   = 0x00,
    CMP_NegativeInput_RefV  = 0x01,
} CMP_NegativeInput_t;

◆ CMP_OLD_NegativeInput_t

enum CMP_OLD_NegativeInput_t

Enumerator
CMP_OLD_NegativeInput_RefV
CMP_OLD_NegativeInput_P36

Definition at line 52 of file fw_cmp.h.

{
    CMP_OLD_NegativeInput_RefV  = 0x00,
    CMP_OLD_NegativeInput_P36   = 0x01,
} CMP_OLD_NegativeInput_t;

◆ CMP_OLD_PositiveInput_t

enum CMP_OLD_PositiveInput_t

STC8 MCU analog comparator

2P: 2 positive input options 4P: 4 positive input options

| | 2P+2N | 4P+2N | | STC8G1K08 | Y | | | STC8G1K08-8Pin | N | | | STC8G1K08A | N | | | STC8G2K64S4 | Y | | | STC8G2K64S2 | Y | | | STC8G1K08T | Y | | | STC15H2K64S4 | Y | | | STC8H1K08 | Y | | | STC8H1K28 | Y | | | STC8H3K64S4 | Y | | | STC8H3K64S2 | Y | | | STC8H2K64T | Y | |
| STC8H8K64U | | Y |
| STC8H4K64TLR | | Y |
| STC8H4K64TLCD | | Y |
| STC8H4K64LCD | | Y |

Enumerator
CMP_OLD_PositiveInput_P37
CMP_OLD_PositiveInput_ADC

Definition at line 46 of file fw_cmp.h.

{
    CMP_OLD_PositiveInput_P37   = 0x00,
    CMP_OLD_PositiveInput_ADC   = 0x01,
} CMP_OLD_PositiveInput_t;

◆ CMP_PositiveInput_t

enum CMP_PositiveInput_t

Enumerator
CMP_PositiveInput_P37
CMP_PositiveInput_P50
CMP_PositiveInput_P51
CMP_PositiveInput_ADC

Definition at line 58 of file fw_cmp.h.

{
    CMP_PositiveInput_P37   = 0x00,
    CMP_PositiveInput_P50   = 0x01,
    CMP_PositiveInput_P51   = 0x02,
    CMP_PositiveInput_ADC   = 0x03,
} CMP_PositiveInput_t;

Macros

Enumerations