ＶＲＥＦは仕様の違いをどうするか結構悩んだけどなんとか完成。デバイスによりＡＤＣ側の操作になっていたりするが矛盾はないと思う。たぶん．．．
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/* avr8_vref.h - VREF Driver for Microchip AVR8 Series Copyright (c) 2025 Sasapea's Lab. All right reserved. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #pragma once #include "avr8_config.h" class Vref { public: #if defined(__AVR_0__) typedef enum { ACREF_0V55 = VREF_DAC0REFSEL_0V55_gc, /* Voltage reference at 0.55V */ ACREF_1V1 = VREF_DAC0REFSEL_1V1_gc, /* Voltage reference at 1.1V */ ACREF_2V5 = VREF_DAC0REFSEL_2V5_gc, /* Voltage reference at 2.5V */ ACREF_4V34 = VREF_DAC0REFSEL_4V34_gc, /* Voltage reference at 4.34V */ ACREF_1V5 = VREF_DAC0REFSEL_1V5_gc, /* Voltage reference at 1.5V */ } ACREF; typedef enum { ADCREF_0V55 = VREF_ADC0REFSEL_0V55_gc, /* Voltage reference at 0.55V */ ADCREF_1V1 = VREF_ADC0REFSEL_1V1_gc, /* Voltage reference at 1.1V */ ADCREF_2V5 = VREF_ADC0REFSEL_2V5_gc, /* Voltage reference at 2.5V */ ADCREF_4V34 = VREF_ADC0REFSEL_4V34_gc, /* Voltage reference at 4.34V */ ADCREF_1V5 = VREF_ADC0REFSEL_1V5_gc, /* Voltage reference at 1.5V */ ADCREF_VDD = 7 << VREF_ADC0REFSEL_gp, } ADCREF; static void ac(uint8_t ch, ACREF ref, bool enable = false) { (void)ch; VREF.CTRLA = (VREF.CTRLA & ~VREF_DAC0REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_DAC0REFEN_bm) | (enable ? VREF_DAC0REFEN_bm : 0); } static uint16_t ac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; (void)vdd; (void)ref; return vrefmv((VREF.CTRLA & VREF_DAC0REFSEL_gm) >> VREF_DAC0REFSEL_gp); } static void adc(uint8_t ch, ADCREF ref, bool enable = false) { (void)ch; if (ref == ADCREF_VDD) ADC0.CTRLC = (ADC0.CTRLC & ~ADC_REFSEL_gm) | ADC_SAMPCAP_bm | ADC_REFSEL_VDDREF_gc; else { ADC0.CTRLC = (ADC0.CTRLC & ~(ADC_SAMPCAP_bm | ADC_REFSEL_gm)) | (ref != ADCREF_0V55 ? ADC_SAMPCAP_bm : 0) | ADC_REFSEL_INTREF_gc; VREF.CTRLA = (VREF.CTRLA & ~VREF_ADC0REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_ADC0REFEN_bm) | (enable ? VREF_ADC0REFEN_bm : 0); } } static uint16_t adc(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; (void)ref; return (ADC0.CTRLA & ADC_REFSEL_gm) == ADC_REFSEL_VDDREF_gc ? vdd : vrefmv((VREF.CTRLA & VREF_ADC0REFSEL_gm) >> VREF_ADC0REFSEL_gp); } protected: static uint16_t vrefmv(uint8_t index) { static const uint16_t VOLT[] = { 550, 1100, 2500, 4340, 1500, 0, 0, 0 }; return VOLT[index]; } #elif defined(__AVR_1__) typedef enum { ACREF_0V55 = VREF_DAC0REFSEL_0V55_gc, /* Voltage reference at 0.55V */ ACREF_1V1 = VREF_DAC0REFSEL_1V1_gc, /* Voltage reference at 1.1V */ ACREF_2V5 = VREF_DAC0REFSEL_2V5_gc, /* Voltage reference at 2.5V */ ACREF_4V34 = VREF_DAC0REFSEL_4V34_gc, /* Voltage reference at 4.34V */ ACREF_1V5 = VREF_DAC0REFSEL_1V5_gc, /* Voltage reference at 1.5V */ } ACREF; typedef enum { DACREF_0V55 = VREF_DAC0REFSEL_0V55_gc, /* Voltage reference at 0.55V */ DACREF_1V1 = VREF_DAC0REFSEL_1V1_gc, /* Voltage reference at 1.1V */ DACREF_2V5 = VREF_DAC0REFSEL_2V5_gc, /* Voltage reference at 2.5V */ DACREF_4V34 = VREF_DAC0REFSEL_4V34_gc, /* Voltage reference at 4.34V */ DACREF_1V5 = VREF_DAC0REFSEL_1V5_gc, /* Voltage reference at 1.5V */ } DACREF; typedef enum { ADCREF_0V55 = VREF_ADC0REFSEL_0V55_gc, /* Voltage reference at 0.55V */ ADCREF_1V1 = VREF_ADC0REFSEL_1V1_gc, /* Voltage reference at 1.1V */ ADCREF_2V5 = VREF_ADC0REFSEL_2V5_gc, /* Voltage reference at 2.5V */ ADCREF_4V34 = VREF_ADC0REFSEL_4V34_gc, /* Voltage reference at 4.34V */ ADCREF_1V5 = VREF_ADC0REFSEL_1V5_gc, /* Voltage reference at 1.5V */ ADCREF_VDD = 7 << VREF_ADC0REFSEL_gp, } ADCREF; static void ac(uint8_t ch, ACREF ref, bool enable = false) { dac(ch, (DACREF)ref, enable); } static uint16_t ac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { return dac(ch, vdd, ref); } static void dac(uint8_t ch, DACREF ref, bool enable = false) { switch (ch) { case 0: VREF.CTRLA = (VREF.CTRLA & ~VREF_DAC0REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_DAC0REFEN_bm) | (enable ? VREF_DAC0REFEN_bm : 0); break; #if defined(VREF_DAC1REFSEL_gm) case 1: VREF.CTRLC = (VREF.CTRLC & ~VREF_DAC1REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_DAC1REFEN_bm) | (enable ? VREF_DAC1REFEN_bm : 0); break; #endif #if defined(VREF_DAC2REFSEL_gm) case 2: VREF.CTRLD = (VREF.CTRLD & ~VREF_DAC2REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_DAC2REFEN_bm) | (enable ? VREF_DAC2REFEN_bm : 0); break; #endif } } static uint16_t dac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)vdd; (void)ref; switch (ch) { case 0: return vrefmv((VREF.CTRLA & VREF_DAC0REFSEL_gm) >> VREF_DAC0REFSEL_gp); #if defined(VREF_DAC1REFSEL_gm) case 1: return vrefmv((VREF.CTRLC & VREF_DAC1REFSEL_gm) >> VREF_DAC1REFSEL_gp); #endif #if defined(VREF_DAC2REFSEL_gm) case 2: return vrefmv((VREF.CTRLD & VREF_DAC2REFSEL_gm) >> VREF_DAC2REFSEL_gp); #endif } return 0; } static void adc(uint8_t ch, ADCREF ref, bool enable = false) { switch (ch) { case 0: if (ref == ADCREF_VDD) ADC0.CTRLC = (ADC0.CTRLC & ~ADC_REFSEL_gm) | ADC_SAMPCAP_bm | ADC_REFSEL_VDDREF_gc; else { ADC0.CTRLC = (ADC0.CTRLC & ~(ADC_SAMPCAP_bm | ADC_REFSEL_gm)) | (ref != ADCREF_0V55 ? ADC_SAMPCAP_bm : 0) | ADC_REFSEL_INTREF_gc; VREF.CTRLA = (VREF.CTRLA & ~VREF_ADC0REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_ADC0REFEN_bm) | (enable ? VREF_ADC0REFEN_bm : 0); } break; #if defined(VREF_ADC1REFSEL_gm) case 1: if (ref == ADCREF_VDD) ADC1.CTRLC = (ADC1.CTRLC & ~ADC_REFSEL_gm) | ADC_SAMPCAP_bm | ADC_REFSEL_VDDREF_gc; else { ADC1.CTRLC = (ADC1.CTRLC & ~(ADC_SAMPCAP_bm | ADC_REFSEL_gm)) | (ref != ADCREF_0V55 ? ADC_SAMPCAP_bm : 0) | ADC_REFSEL_INTREF_gc; VREF.CTRLC = (VREF.CTRLC & ~VREF_ADC1REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_ADC1REFEN_bm) | (enable ? VREF_ADC1REFEN_bm : 0); } break; #endif } } static uint16_t adc(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)vdd; (void)ref; switch (ch) { case 0: return (ADC0.CTRLA & ADC_REFSEL_gm) == ADC_REFSEL_VDDREF_gc ? vdd : vrefmv((VREF.CTRLA & VREF_ADC0REFSEL_gm) >> VREF_ADC0REFSEL_gp); #if defined(VREF_ADC1REFSEL_gm) case 1: return (ADC1.CTRLA & ADC_REFSEL_gm) == ADC_REFSEL_VDDREF_gc ? vdd : vrefmv((VREF.CTRLC & VREF_ADC1REFSEL_gm) >> VREF_ADC1REFSEL_gp); #endif } return 0; } protected: static uint16_t vrefmv(uint8_t index) { static const uint16_t VOLT[] = { 550, 1100, 2500, 4340, 1500, 0, 0, 0 }; return VOLT[index]; } #elif defined(__AVR_2__) typedef enum { ACREF_1V024 = VREF_AC0REFSEL_1V024_gc, /* Internal 1.024V Reference */ ACREF_2V048 = VREF_AC0REFSEL_2V048_gc, /* Internal 2.048V Reference */ ACREF_2V500 = VREF_AC0REFSEL_2V5_gc, /* Internal 2.5V Reference */ ACREF_4V096 = VREF_AC0REFSEL_4V096_gc, /* Internal 4.096V Reference */ ACREF_VDD = VREF_AC0REFSEL_AVDD_gc, /* VDD */ } ACREF; typedef enum { ADCREF_VDD = ADC_REFSEL_VDD_gc, /* VDD as reference */ ADCREF_VREFA = ADC_REFSEL_VREFA_gc, /* External reference on VREFA pin */ ADCREF_1V024 = ADC_REFSEL_1024MV_gc, /* Internal 1.024V reference */ ADCREF_2V048 = ADC_REFSEL_2048MV_gc, /* Internal 2.048V reference */ ADCREF_2V500 = ADC_REFSEL_2500MV_gc, /* Internal 2.500V reference */ ADCREF_4V096 = ADC_REFSEL_4096MV_gc, /* Internal 4.096V reference */ } ADCREF; static void ac(uint8_t ch, ACREF ref, bool enable = false) { (void)ch; VREF.CTRLA = (VREF.CTRLA & ~VREF_AC0REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_AC0REFEN_bm) | (enable ? VREF_AC0REFEN_bm : 0); } static uint16_t ac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; (void)ref; uint8_t sel = VREF.CTRLA & VREF_AC0REFSEL_gm; switch (sel) { case VREF_AC0REFSEL_AVDD_gc: return vdd; } return vrefmv(sel >> VREF_AC0REFSEL_gp); } static void adc(uint8_t ch, ADCREF ref, bool enable = false) { (void)ch; ADC0.CTRLC = (ADC0.CTRLC & ~ADC_REFSEL_gm) | ref; VREF.CTRLB = (VREF.CTRLB & ~VREF_ADC0REFEN_bm) | (enable ? VREF_ADC0REFEN_bm : 0); } static uint16_t adc(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = ADC0.CTRLA & ADC_REFSEL_gm; switch (sel) { case ADC_REFSEL_VDD_gc : return vdd; case ADC_REFSEL_VREFA_gc: return ref; } return adcmv(sel >> ADC_REFSEL_gp); } static void nvm(bool enable = true) { VREF.CTRLB = (VREF.CTRLB & ~VREF_NVMREFEN_bm) | (enable ? VREF_NVMREFEN_bm : 0); } protected: static uint16_t vrefmv(uint8_t index) { static const uint16_t VOLT[] = { 1024, 2048, 2500, 4096, 0, 0, 0, 0 }; return VOLT[index]; } static uint16_t adcmv(uint8_t index) { static const uint16_t VOLT[] = { 0, 0, 0, 0, 1024, 2048, 2500, 4096 }; return VOLT[index]; } #elif defined(__AVR_DA__) || defined(__AVR_DB__) || defined(__AVR_DD__) typedef enum { ACREF_1V024 = VREF_REFSEL_1V024_gc, /* Internal 1.024V reference */ ACREF_2V048 = VREF_REFSEL_2V048_gc, /* Internal 2.048V reference */ ACREF_4V096 = VREF_REFSEL_4V096_gc, /* Internal 4.096V reference */ ACREF_2V500 = VREF_REFSEL_2V500_gc, /* Internal 2.500V reference */ ACREF_VDD = VREF_REFSEL_VDD_gc, /* VDD as reference */ ACREF_VREFA = VREF_REFSEL_VREFA_gc, /* External reference on VREFA pin */ } ACREF; typedef enum { DACREF_1V024 = VREF_REFSEL_1V024_gc, /* Internal 1.024V reference */ DACREF_2V048 = VREF_REFSEL_2V048_gc, /* Internal 2.048V reference */ DACREF_4V096 = VREF_REFSEL_4V096_gc, /* Internal 4.096V reference */ DACREF_2V500 = VREF_REFSEL_2V500_gc, /* Internal 2.500V reference */ DACREF_VDD = VREF_REFSEL_VDD_gc, /* VDD as reference */ DACREF_VREFA = VREF_REFSEL_VREFA_gc, /* External reference on VREFA pin */ } DACREF; typedef enum { ADCREF_1V024 = VREF_REFSEL_1V024_gc, /* Internal 1.024V reference */ ADCREF_2V048 = VREF_REFSEL_2V048_gc, /* Internal 2.048V reference */ ADCREF_4V096 = VREF_REFSEL_4V096_gc, /* Internal 4.096V reference */ ADCREF_2V500 = VREF_REFSEL_2V500_gc, /* Internal 2.500V reference */ ADCREF_VDD = VREF_REFSEL_VDD_gc, /* VDD as reference */ ADCREF_VREFA = VREF_REFSEL_VREFA_gc, /* External reference on VREFA pin */ } ADCREF; static void ac(uint8_t ch, ACREF ref, bool enable = false) { /* AC0 - AC2 */ (void)ch; VREF.ACREF = (enable ? VREF_ALWAYSON_bm : 0) | ref; } static uint16_t ac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = VREF.ACREF & VREF_REFSEL_gm; switch (sel) { case VREF_REFSEL_VDD_gc : return vdd; case VREF_REFSEL_VREFA_gc: return ref; } return vrefmv(sel >> VREF_REFSEL_gp); } static void dac(uint8_t ch, DACREF ref, bool enable = false) { (void)ch; VREF.DAC0REF = (enable ? VREF_ALWAYSON_bm : 0) | ref; } static uint16_t dac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = VREF.DAC0REF & VREF_REFSEL_gm; switch (sel) { case VREF_REFSEL_VDD_gc : return vdd; case VREF_REFSEL_VREFA_gc: return ref; } return vrefmv(sel >> VREF_REFSEL_gp); } static void adc(uint8_t ch, ADCREF ref, bool enable = false) { (void)ch; VREF.ADC0REF = (enable ? VREF_ALWAYSON_bm : 0) | ref; } static uint16_t adc(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = VREF.ADC0REF & VREF_REFSEL_gm; switch (sel) { case VREF_REFSEL_VDD_gc : return vdd; case VREF_REFSEL_VREFA_gc: return ref; } return vrefmv(sel >> VREF_REFSEL_gp); } protected: static uint16_t vrefmv(uint8_t index) { static const uint16_t VOLT[] = { 1024, 2048, 2500, 4096, 0, 0, 0, 0 }; return VOLT[index]; } #elif defined(__AVR_EA__) typedef enum { ACREF_1V024 = VREF_REFSEL_1V024_gc, /* Internal 1.024V reference */ ACREF_2V048 = VREF_REFSEL_2V048_gc, /* Internal 2.048V reference */ ACREF_4V096 = VREF_REFSEL_4V096_gc, /* Internal 4.096V reference */ ACREF_2V500 = VREF_REFSEL_2V500_gc, /* Internal 2.500V reference */ ACREF_VDD = VREF_REFSEL_VDD_gc, /* VDD as reference */ ACREF_VREFA = VREF_REFSEL_VREFA_gc, /* External reference on VREFA pin */ } ACREF; typedef enum { DACREF_1V024 = VREF_REFSEL_1V024_gc, /* Internal 1.024V reference */ DACREF_2V048 = VREF_REFSEL_2V048_gc, /* Internal 2.048V reference */ DACREF_4V096 = VREF_REFSEL_4V096_gc, /* Internal 4.096V reference */ DACREF_2V500 = VREF_REFSEL_2V500_gc, /* Internal 2.500V reference */ DACREF_VDD = VREF_REFSEL_VDD_gc, /* VDD as reference */ DACREF_VREFA = VREF_REFSEL_VREFA_gc, /* External reference on VREFA pin */ } DACREF; typedef enum { ADCREF_VDD = ADC_REFSEL_VDD_gc, /* VDD as reference */ ADCREF_VREFA = ADC_REFSEL_VREFA_gc, /* External reference on VREFA pin */ ADCREF_1V024 = ADC_REFSEL_1V024_gc, /* Internal 1.024V reference */ ADCREF_2V048 = ADC_REFSEL_2V048_gc, /* Internal 2.048V reference */ ADCREF_4V096 = ADC_REFSEL_4V096_gc, /* Internal 4.096V reference */ ADCREF_2V500 = ADC_REFSEL_2V500_gc, /* Internal 2.500V reference */ } ADCREF; static void ac(uint8_t ch, ACREF ref, bool enable = false) { /* AC0 - AC1 */ (void)ch; VREF.ACREF = (enable ? VREF_ALWAYSON_bm : 0) | ref; } static uint16_t ac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = VREF.ACREF & VREF_REFSEL_gm; switch (sel) { case VREF_REFSEL_VDD_gc : return vdd; case VREF_REFSEL_VREFA_gc: return ref; } return vrefmv(sel >> VREF_REFSEL_gp); } static void dac(uint8_t ch, DACREF ref, bool enable = false) { (void)ch; VREF.DAC0REF = (enable ? VREF_ALWAYSON_bm : 0) | ref; } static uint16_t dac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = VREF.DAC0REF & VREF_REFSEL_gm; switch (sel) { case VREF_REFSEL_VDD_gc : return vdd; case VREF_REFSEL_VREFA_gc: return ref; } return vrefmv(sel >> VREF_REFSEL_gp); } static void adc(uint8_t ch, ADCREF ref, bool enable = false) { (void)ch; (void)enable; ADC0.CTRLC = (ADC0.CTRLC & ~ADC_REFSEL_gm) | ref; } static uint16_t adc(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = ADC0.CTRLC & ADC_REFSEL_gm; switch (sel) { case ADC_REFSEL_VDD_gc : return vdd; case ADC_REFSEL_VREFA_gc: return ref; } return adcmv(sel >> ADC_REFSEL_gp); } protected: static uint16_t vrefmv(uint8_t index) { static const uint16_t VOLT[] = { 1024, 2048, 2500, 4096, 0, 0, 0, 0 }; return VOLT[index]; } static uint16_t adcmv(uint8_t index) { static const uint16_t VOLT[] = { 0, 0, 0, 0, 1024, 2048, 2500, 4096 }; return VOLT[index]; } #elif defined(__AVR_DU__) || defined(__AVR_EB__) typedef enum { ACREF_1V024 = VREF_REFSEL_1V024_gc, /* Internal 1.024V reference */ ACREF_2V048 = VREF_REFSEL_2V048_gc, /* Internal 2.048V reference */ ACREF_4V096 = VREF_REFSEL_4V096_gc, /* Internal 4.096V reference */ ACREF_2V500 = VREF_REFSEL_2V500_gc, /* Internal 2.500V reference */ ACREF_VDD = VREF_REFSEL_VDD_gc, /* VDD as reference */ ACREF_VREFA = VREF_REFSEL_VREFA_gc, /* External reference on VREFA pin */ } ACREF; typedef enum { ADCREF_VDD = ADC_REFSEL_VDD_gc, /* VDD as reference */ ADCREF_VREFA = ADC_REFSEL_VREFA_gc, /* External reference on VREFA pin */ ADCREF_1V024 = ADC_REFSEL_1V024_gc, /* Internal 1.024V reference */ ADCREF_2V048 = ADC_REFSEL_2V048_gc, /* Internal 2.048V reference */ ADCREF_4V096 = ADC_REFSEL_4V096_gc, /* Internal 4.096V reference */ ADCREF_2V500 = ADC_REFSEL_2V500_gc, /* Internal 2.500V reference */ } ADCREF; static void ac(uint8_t ch, ACREF ref, bool enable = false) { /* AC0 - AC1 */ (void)ch; VREF.ACREF = (enable ? VREF_ALWAYSON_bm : 0) | ref; } static uint16_t ac(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = VREF.ACREF & VREF_REFSEL_gm; switch (sel) { case VREF_REFSEL_VDD_gc : return vdd; case VREF_REFSEL_VREFA_gc: return ref; } return vrefmv(sel >> VREF_REFSEL_gp); } static void adc(uint8_t ch, ADCREF ref, bool enable = false) { (void)ch; (void)enable; ADC0.CTRLC = (ADC0.CTRLC & ~ADC_REFSEL_gm) | ref; } static uint16_t adc(uint8_t ch, uint16_t vdd = CONFIG_VDD, uint16_t ref = CONFIG_VREFA) { (void)ch; uint8_t sel = ADC0.CTRLC & ADC_REFSEL_gm; switch (sel) { case ADC_REFSEL_VDD_gc : return vdd; case ADC_REFSEL_VREFA_gc: return ref; } return adcmv(sel >> ADC_REFSEL_gp); } protected: static uint16_t vrefmv(uint8_t index) { static const uint16_t VOLT[] = { 1024, 2048, 2500, 4096, 0, 0, 0, 0 }; return VOLT[index]; } static uint16_t adcmv(uint8_t index) { static const uint16_t VOLT[] = { 0, 0, 0, 0, 1024, 2048, 2500, 4096 }; return VOLT[index]; } #endif }; |