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Add comments about calib.dat
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Theo Arends
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@ -24,22 +24,103 @@
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#define ADE7880_ADDR 0x38
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//#define ADE7880_DEBUG
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//#define ADE7880_COMPMODE_FREQ 0x4000 // Connected to networks with fundamental frequencies between 55 Hz and 66 Hz. Default 45 Hz to 55 Hz
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#define ADE7880_APGAIN_INIT 0xFF14B7E3 // = -15419420
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#define ADE7880_BPGAIN_INIT 0xFF14A7B1 // = -15423566
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#define ADE7880_CPGAIN_INIT 0xFF14999C // = -15427171
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#define ADE7880_AVGAIN_INIT 0xFFF43977 // = -771720
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#define ADE7880_BVGAIN_INIT 0xFFF4DD00 // = -729855
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#define ADE7880_CVGAIN_INIT 0xFFF4A306 // = -744697
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/*********************************************************************************************/
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//#define ADE7880_DEBUG
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//#define ADE7880_PROFILING
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/*
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Derive these parameters from the original Shelly 3EM 4M firmware dump. Look for JSON file called calib.data
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{
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"state": 0,
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"rms": {
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"current_a": 3166385,
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"current_b": 3125691,
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"current_c": 3131983,
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"current_n": -1474892307,
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"current_s": 1756557,
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"voltage_a": -767262,
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"voltage_b": -763439,
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"voltage_c": -749854
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},
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"angles": {
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"angle0": 180,
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"angle1": 176,
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"angle2": 176
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},
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"powers": {
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"totactive": {
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"a": -1345820,
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"b": -1347328,
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"c": -1351979
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},
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"apparent": {
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"a": 214966,
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"b": 214961,
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"c": 214949
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}
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},
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"energies": {
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"totactive": {
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"a": 8752,
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"b": 8751,
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"c": 8751
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},
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"apparent": {
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"a": 40496,
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"b": 40513,
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"c": 40524
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}
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}
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}
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*/
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#define ADE7880_AIGAIN_INIT 3166385 // rms, current_a
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#define ADE7880_BIGAIN_INIT 3125691 // rms, current_b
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#define ADE7880_CIGAIN_INIT 3131983 // rms, current_c
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#define ADE7880_NIGAIN_INIT 1756557 // rms, current_s !!
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#define ADE7880_AVGAIN_INIT -767262 // rms, voltage_a
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#define ADE7880_BVGAIN_INIT -763439 // rms, voltage_b
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#define ADE7880_CVGAIN_INIT -749854 // rms, voltage_c
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#define ADE7880_APHCAL_INIT 180 // angles, angle0
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#define ADE7880_BPHCAL_INIT 176 // angles, angle1
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#define ADE7880_CPHCAL_INIT 176 // angles, angle2
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#define ADE7880_APGAIN_INIT -1345820 // powers, totactive, a
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#define ADE7880_BPGAIN_INIT -1347328 // powers, totactive, b
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#define ADE7880_CPGAIN_INIT -1351979 // powers, totactive, c
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/*
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// Original defines from logic analyzer
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#define ADE7880_AIGAIN_INIT 0x002FFED1 // = 3145425
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#define ADE7880_BIGAIN_INIT 0x00309661 // = 3184225
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#define ADE7880_CIGAIN_INIT 0x0030DBFD // = 3202045
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#define ADE7880_NIGAIN_INIT 0x04D906AC // = 81331884 (14223020)
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#define ADE7880_AVGAIN_INIT 0xFFF43977 // = -771720
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#define ADE7880_BVGAIN_INIT 0xFFF4DD00 // = -729855
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#define ADE7880_CVGAIN_INIT 0xFFF4A306 // = -744697
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#define ADE7880_APHCAL_INIT 0xD895 // = 55445 (149)
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#define ADE7880_BPHCAL_INIT 0xD8A9 // = 55456 (169)
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#define ADE7880_CPHCAL_INIT 0xD89D // = 55453 (157)
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//#define ADE7880_COMPMODE_FREQ 0x4000 // Connected to networks with fundamental frequencies between 55 Hz and 66 Hz. Default 45 Hz to 55 Hz
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#define ADE7880_APGAIN_INIT 0xFF14B7E3 // = -15419420
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#define ADE7880_BPGAIN_INIT 0xFF14A7B1 // = -15423566
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#define ADE7880_CPGAIN_INIT 0xFF14999C // = -15427171
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*/
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/*
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#define ADE7880_AIGAIN_INIT 3145425
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#define ADE7880_BIGAIN_INIT 3184225
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#define ADE7880_CIGAIN_INIT 3202045
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#define ADE7880_NIGAIN_INIT 14223020
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#define ADE7880_AVGAIN_INIT -771720
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#define ADE7880_BVGAIN_INIT -729855
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#define ADE7880_CVGAIN_INIT -744697
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#define ADE7880_APHCAL_INIT 149
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#define ADE7880_BPHCAL_INIT 169
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#define ADE7880_CPHCAL_INIT 157
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#define ADE7880_APGAIN_INIT -15419420
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#define ADE7880_BPGAIN_INIT -15423566
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#define ADE7880_CPGAIN_INIT -15427171
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*/
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enum Ade7880DspRegisters {
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ADE7880_AIGAIN = 0x4380, // 0x4380 R/W 24 32 ZPSE S 0x000000 Phase A current gain adjust.
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@ -248,6 +329,8 @@ struct Ade7880 {
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uint8_t irq1_state;
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} Ade7880;
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/*********************************************************************************************/
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int Ade7880RegSize(uint16_t reg) {
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int size = 0;
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switch ((reg >> 8) & 0x0F) {
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@ -340,8 +423,13 @@ int32_t Ade7880ReadVerify(uint16_t reg) {
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return result;
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}
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/*********************************************************************************************/
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bool Ade7880Init(void) {
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// Init sequence about 100mS after reset - See page 40 (takes about 60ms)
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// Init sequence about 100mS after reset - See page 40 (takes 68ms)
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#ifdef ADE7880_PROFILING
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uint32_t start = millis();
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#endif // ADE7880_PROFILING
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uint32_t status1 = Ade7880ReadVerify(ADE7880_STATUS1); // 0x01A08000
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if (bitRead(status1, 15)) { // RSTDONE
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// Power on or Reset
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@ -418,6 +506,9 @@ bool Ade7880Init(void) {
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Ade7880Write(ADE7880_DSPWP_SET, 0x80); // Write protect DSP area
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Ade7880WriteVerify(ADE7880_Run, 0x0201); // Start DSP
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#ifdef ADE7880_PROFILING
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AddLog(LOG_LEVEL_DEBUG, PSTR("A78: Init done in %d ms"), millis() - start);
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#endif // ADE7880_PROFILING
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return true;
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}
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@ -437,8 +528,13 @@ void IRAM_ATTR Ade7880Isr1(void) {
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}
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}
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/*********************************************************************************************/
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void Ade7880Cycle(void) {
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// Cycle sequence (takes 5ms)
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// Cycle sequence (takes 55ms)
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#ifdef ADE7880_PROFILING
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uint32_t start = millis();
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#endif // ADE7880_PROFILING
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uint32_t status0 = Ade7880ReadVerify(ADE7880_STATUS0); // 0x000FEFE0
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if (!bitRead(status0, 5)) { // LENERGY
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return;
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@ -482,6 +578,9 @@ void Ade7880Cycle(void) {
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Energy.frequency[0] = 256000.0f / Ade7880ReadVerify(ADE7880_APERIOD); // Page 34 and based on ADE7880_COMPMODE_FREQ
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Energy.frequency[1] = 256000.0f / Ade7880ReadVerify(ADE7880_BPERIOD);
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Energy.frequency[2] = 256000.0f / Ade7880ReadVerify(ADE7880_CPERIOD);
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#ifdef ADE7880_PROFILING
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AddLog(LOG_LEVEL_DEBUG, PSTR("A78: Cycle in %d ms"), millis() - start);
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#endif // ADE7880_PROFILING
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}
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void Ade7880Service0(void) {
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@ -499,6 +598,8 @@ void IRAM_ATTR Ade7880Isr0(void) {
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}
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}
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/*********************************************************************************************/
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void Ade7880EnergyEverySecond(void) {
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for (uint32_t i = 0; i < 3; i++) {
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if (Ade7880.active_energy[i] != 0) {
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@ -510,6 +611,10 @@ void Ade7880EnergyEverySecond(void) {
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void Ade7880DrvInit(void) {
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if (PinUsed(GPIO_ADE7880_IRQ) && PinUsed(GPIO_ADE7880_IRQ, 1)) {
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#ifdef ADE7880_PROFILING
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uint32_t start = millis();
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#endif // ADE7880_PROFILING
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int reset = Pin(GPIO_RESET);
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if (-1 == reset) { reset = 16; } // Reset pin ADE7880 in Shelly 3EM
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pinMode(reset, OUTPUT);
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@ -528,6 +633,11 @@ void Ade7880DrvInit(void) {
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uint32_t timeout = millis() + 400;
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while (!TimeReached(timeout)) { // Wait up to 400 mSec
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if (1 == Ade7880.irq1_state) {
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#ifdef ADE7880_PROFILING
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AddLog(LOG_LEVEL_DEBUG, PSTR("A78: Reset in %d ms"), millis() - start);
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#endif // ADE7880_PROFILING
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if (Ade7880Service1()) {
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if (I2cSetDevice(ADE7880_ADDR)) {
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I2cSetActiveFound(ADE7880_ADDR, "ADE7880");
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