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

Macros
#define	ADC_SetPowerState(__STATE__) SFR_ASSIGN(ADC_CONTR, 7, __STATE__)

#define	ADC_Start() SFR_SET(ADC_CONTR, 6)

#define	ADC_SamplingFinished() (ADC_CONTR & (0x01 << 5))

#define	ADC_ClearInterrupt() SFR_RESET(ADC_CONTR, 5)

#define	ADC_SetPWMTriggerState(__STATE__) SFR_ASSIGN(ADC_CONTR, 4, __STATE__)

#define	ADC_SetChannel(__CHANNEL__) (ADC_CONTR = ADC_CONTR & ~0x0F \| ((__CHANNEL__ & 0x0F) << 0))

#define	ADC_SetResultAlignmentLeft() SFR_RESET(ADCCFG, 5)

#define	ADC_SetResultAlignmentRight() SFR_SET(ADCCFG, 5)

#define	ADC_SetClockPrescaler(__PRESCALER__) (ADCCFG = ADCCFG & ~0x0F \| ((__PRESCALER__) << 0))

#define	ADC_SetChannelSwitchTime(__CLKS_1OR2__) SFR_ASSIGN(ADCTIM, 7, __CLKS_1OR2__)

#define	ADC_SetChannelHoldTime(__CLKS_1TO4__) (ADCTIM = ADCTIM & ~(0x03 << 5) \| ((__CLKS_1TO4__) << 5))

#define	ADC_SetSampleTime(__CLKS_1TO32__) (ADCTIM = ADCTIM & ~(0x1F << 0) \| ((__CLKS_1TO32__) << 0))

Functions
uint8_t	ADC_Convert (void)

uint16_t	ADC_ConvertHP (void)

Macro Definition Documentation

◆ ADC_ClearInterrupt

#define ADC_ClearInterrupt ( ) SFR_RESET(ADC_CONTR, 5)

Definition at line 24 of file fw_adc.h.

◆ ADC_SamplingFinished

#define ADC_SamplingFinished ( ) (ADC_CONTR & (0x01 << 5))

Definition at line 23 of file fw_adc.h.

◆ ADC_SetChannel

#define ADC_SetChannel ( __CHANNEL__ ) (ADC_CONTR = ADC_CONTR & ~0x0F | ((__CHANNEL__ & 0x0F) << 0))

ADC input channels selection Set PxM0/PxM1 to high-impedance input for selected I/O port, and set PxIE to shutdown digital input if you want to enable ADC in powerdown mode

                                                  STC8H8K64U                                                       
                                  STC8H3K64S4     STC8H2K64T       STC8H4K64TLCD               STC8G1K08     STC8G2K64S4

STC8H1K28: STC8H1K08 STC8H3K64S2 STC8H4K64TLR STC8H4K64LCD STC8G1K08A STC8G1K08T STC8G2K64S2
0000 P1.0/ADC0 P1.0/ADC0 P1.0/ADC0 P1.0/ADC0 P1.0/ADC0 P3.0/ADC0 P1.0/ADC0 P1.0/ADC0
0001 P1.1/ADC1 P1.1/ADC1 P1.1/ADC1 P1.1/ADC1 P1.1/ADC1 P3.1/ADC1 P1.1/ADC1 P1.1/ADC1
0010 P1.2/ADC2 N/A P1.2/ADC2 P5.4/ADC2 P5.4/ADC2 P3.2/ADC2 P1.2/ADC2 P1.2/ADC2
0011 P1.3/ADC3 N/A N/A P1.3/ADC3 P1.3/ADC3 P3.3/ADC3 P1.3/ADC3 P1.3/ADC3
0100 P1.4/ADC4 N/A N/A P1.4/ADC4 P1.4/ADC4 P5.4/ADC4 P1.4/ADC4 P1.4/ADC4
0101 P1.5/ADC5 N/A N/A P1.5/ADC5 P1.5/ADC5 P5.5/ADC5 P1.5/ADC5 P1.5/ADC5
0110 P1.6/ADC6 N/A P1.6/ADC6 P1.6/ADC6 P6.2/ADC6 N/A P1.6/ADC6 P1.6/ADC6
0111 P1.7/ADC7 N/A P1.7/ADC7 P1.7/ADC7 P6.3/ADC7 N/A P1.7/ADC7 P1.7/ADC7
1000 P0.0/ADC8 P3.0/ADC8 P0.0/ADC8 P0.0/ADC8 P0.0/ADC8 N/A P3.0/ADC8 P0.0/ADC8
1001 P0.1/ADC9 P3.1/ADC9 P0.1/ADC9 P0.1/ADC9 P0.1/ADC9 N/A P3.1/ADC9 P0.1/ADC9
1010 P0.2/ADC10 P3.2/ADC10 P0.2/ADC10 P0.2/ADC10 P0.2/ADC10 N/A P3.2/ADC10 P0.2/ADC10
1011 P0.3/ADC11 P3.3/ADC11 P0.3/ADC11 P0.3/ADC11 P0.3/ADC11 N/A P3.3/ADC11 P0.3/ADC11
1100 N/A P3.4/ADC12 P0.4/ADC12 P0.4/ADC12 P0.4/ADC12 N/A P3.4/ADC12 P0.4/ADC12
1101 N/A P3.5/ADC13 P0.5/ADC13 P0.5/ADC13 P0.5/ADC13 N/A P3.5/ADC13 P0.5/ADC13
1110 N/A P3.6/ADC14 P0.6/ADC14 P0.6/ADC14 P0.6/ADC14 N/A P3.6/ADC14 P0.6/ADC14
1111 Internal 1.19V voltage reference

Definition at line 52 of file fw_adc.h.

◆ ADC_SetChannelHoldTime

#define ADC_SetChannelHoldTime ( __CLKS_1TO4__ ) (ADCTIM = ADCTIM & ~(0x03 << 5) | ((__CLKS_1TO4__) << 5))

Channel hold time, 0x00: 1 ADC clock; 0x01: 2 ADC clocks 0x02: 3 ADC clocks 0x03: 4 ADC clocks

Definition at line 90 of file fw_adc.h.

◆ ADC_SetChannelSwitchTime

#define ADC_SetChannelSwitchTime ( __CLKS_1OR2__ ) SFR_ASSIGN(ADCTIM, 7, __CLKS_1OR2__)

Channel switch time, 0: 1 ADC clock; 1: 2 ADC clocks

Definition at line 82 of file fw_adc.h.

◆ ADC_SetClockPrescaler

#define ADC_SetClockPrescaler ( __PRESCALER__ ) (ADCCFG = ADCCFG & ~0x0F | ((__PRESCALER__) << 0))

Time of one complete ADC conversion: 10-bit ADC: (Switch + 1) + (Hold + 1) + (Sample + 1) + 10 12-bit ADC: (Switch + 1) + (Hold + 1) + (Sample + 1) + 12

ADC conversion frequency: 10-bit ADC Frequency ＝ SYSCLK / 2 / (PRESCALER + 1) / [(Switch + 1) + (Hold + 1) + (Sample + 1) + 10] 12-bit ADC Frequency ＝ SYSCLK / 2 / (PRESCALER + 1) / [(Switch + 1) + (Hold + 1) + (Sample + 1) + 12] ADC clock = SYSclk/2/(PRESCALER+1)

Definition at line 75 of file fw_adc.h.

◆ ADC_SetPowerState

#define ADC_SetPowerState ( __STATE__ ) SFR_ASSIGN(ADC_CONTR, 7, __STATE__)

Definition at line 21 of file fw_adc.h.

◆ ADC_SetPWMTriggerState

#define ADC_SetPWMTriggerState ( __STATE__ ) SFR_ASSIGN(ADC_CONTR, 4, __STATE__)

Definition at line 25 of file fw_adc.h.

◆ ADC_SetResultAlignmentLeft

#define ADC_SetResultAlignmentLeft ( ) SFR_RESET(ADCCFG, 5)

10-bit in [ADC_RES,ADC_RESL]: STC8H1K28,STC8H1K08 12-bit in [ADC_RES,ADC_RESL]: STC8H3K64S4,STC8H3K64S2,STC8H8K64U,STC8H2K64T,STC8H4K64TLR,STC8H4K64TLCD,STC8H4K64LCD

Definition at line 58 of file fw_adc.h.

◆ ADC_SetResultAlignmentRight

#define ADC_SetResultAlignmentRight ( ) SFR_SET(ADCCFG, 5)

Definition at line 59 of file fw_adc.h.

◆ ADC_SetSampleTime

#define ADC_SetSampleTime ( __CLKS_1TO32__ ) (ADCTIM = ADCTIM & ~(0x1F << 0) | ((__CLKS_1TO32__) << 0))

Sample time value should be equal or larger than 10 0x00: 1 ADC clock; 0x01: 2 ADC clocks ... 0x1F: 32 ADC clocks

Definition at line 99 of file fw_adc.h.

◆ ADC_Start

#define ADC_Start ( ) SFR_SET(ADC_CONTR, 6)

Definition at line 22 of file fw_adc.h.

Function Documentation

◆ ADC_Convert()

uint8_t ADC_Convert ( void )

Start ADC conversion, and return 8-bit result

Definition at line 18 of file fw_adc.c.

{
    ADC_Start();
    NOP();
    NOP();
    while (!ADC_SamplingFinished());
    ADC_ClearInterrupt();
    return ADC_RES;
}

◆ ADC_ConvertHP()

uint16_t ADC_ConvertHP ( void )

Start ADC conversion, and return 16-bit high precision result

Definition at line 28 of file fw_adc.c.

{
    int16_t res;
    ADC_Start();
    NOP();
    NOP();
    while (!ADC_SamplingFinished());
    ADC_ClearInterrupt();
    res = ADC_RES;
    return (res << 8) + ADC_RESL;
}

Macros

Functions