mirror of https://github.com/arendst/Tasmota.git
289 lines
9.1 KiB
C++
289 lines
9.1 KiB
C++
/*
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xnrg_07_ade7953.ino - ADE7953 energy sensor support for Tasmota
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Copyright (C) 2019 Theo Arends
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_I2C
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#ifdef USE_ENERGY_SENSOR
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#ifdef USE_ADE7953
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/*********************************************************************************************\
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* ADE7953 - Energy (Shelly 2.5)
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*
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* Based on datasheet from https://www.analog.com/en/products/ade7953.html
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*
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* I2C Address: 0x38
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\*********************************************************************************************/
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#define XNRG_07 7
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#define ADE7953_PREF 1540
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#define ADE7953_UREF 26000
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#define ADE7953_IREF 10000
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#define ADE7953_ADDR 0x38
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const uint16_t Ade7953Registers[] {
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0x31B, // RMS current channel B (Relay 1)
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0x313, // Active power channel B
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0x311, // Apparent power channel B
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0x315, // Reactive power channel B
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0x31A, // RMS current channel A (Relay 2)
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0x312, // Active power channel A
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0x310, // Apparent power channel A
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0x314, // Reactive power channel A
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0x31C, // RMS voltage (Both relays)
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0x10E // 16-bit unsigned period register
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};
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struct Ade7953 {
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uint32_t voltage_rms = 0;
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uint32_t period = 0;
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uint32_t current_rms[2] = { 0, 0 };
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uint32_t active_power[2] = { 0, 0 };
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uint8_t init_step = 0;
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} Ade7953;
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int Ade7953RegSize(uint16_t reg)
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{
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int size = 0;
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switch ((reg >> 8) & 0x0F) {
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case 0x03:
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size++;
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case 0x02:
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size++;
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case 0x01:
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size++;
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case 0x00:
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case 0x07:
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case 0x08:
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size++;
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}
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return size;
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}
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void Ade7953Write(uint16_t reg, uint32_t val)
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{
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int size = Ade7953RegSize(reg);
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if (size) {
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Wire.beginTransmission(ADE7953_ADDR);
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Wire.write((reg >> 8) & 0xFF);
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Wire.write(reg & 0xFF);
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while (size--) {
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Wire.write((val >> (8 * size)) & 0xFF); // Write data, MSB first
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}
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Wire.endTransmission();
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delayMicroseconds(5); // Bus-free time minimum 4.7us
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}
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}
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int32_t Ade7953Read(uint16_t reg)
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{
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uint32_t response = 0;
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int size = Ade7953RegSize(reg);
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if (size) {
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Wire.beginTransmission(ADE7953_ADDR);
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Wire.write((reg >> 8) & 0xFF);
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Wire.write(reg & 0xFF);
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Wire.endTransmission(0);
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Wire.requestFrom(ADE7953_ADDR, size);
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if (size <= Wire.available()) {
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for (uint32_t i = 0; i < size; i++) {
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response = response << 8 | Wire.read(); // receive DATA (MSB first)
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}
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}
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}
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return response;
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}
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void Ade7953Init(void)
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{
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Ade7953Write(0x102, 0x0004); // Locking the communication interface (Clear bit COMM_LOCK), Enable HPF
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Ade7953Write(0x0FE, 0x00AD); // Unlock register 0x120
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Ade7953Write(0x120, 0x0030); // Configure optimum setting
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}
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void Ade7953GetData(void)
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{
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int32_t reg[2][4];
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for (uint32_t i = 0; i < sizeof(Ade7953Registers)/sizeof(uint16_t); i++) {
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int32_t value = Ade7953Read(Ade7953Registers[i]);
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if (8 == i) {
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Ade7953.voltage_rms = value; // RMS voltage (Both relays)
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} else if (9 == i) {
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Ade7953.period = value; // period
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} else {
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reg[i >> 2][i &3] = value;
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}
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}
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AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ADE: %d, %d, [%d, %d, %d, %d], [%d, %d, %d, %d]"),
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Ade7953.voltage_rms, Ade7953.period,
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reg[0][0], reg[0][1], reg[0][2], reg[0][3],
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reg[1][0], reg[1][1], reg[1][2], reg[1][3]);
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uint32_t apparent_power[2] = { 0, 0 };
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uint32_t reactive_power[2] = { 0, 0 };
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for (uint32_t channel = 0; channel < 2; channel++) {
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Ade7953.current_rms[channel] = reg[channel][0];
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if (Ade7953.current_rms[channel] < 2000) { // No load threshold (20mA)
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Ade7953.current_rms[channel] = 0;
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Ade7953.active_power[channel] = 0;
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} else {
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Ade7953.active_power[channel] = abs(reg[channel][1]);
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apparent_power[channel] = abs(reg[channel][2]);
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reactive_power[channel] = abs(reg[channel][3]);
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}
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}
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uint32_t current_rms_sum = Ade7953.current_rms[0] + Ade7953.current_rms[1];
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uint32_t active_power_sum = Ade7953.active_power[0] + Ade7953.active_power[1];
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR("ADE: U %d, C %d, I %d + %d = %d, P %d + %d = %d"),
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Ade7953.voltage_rms, Ade7953.period,
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Ade7953.current_rms[0], Ade7953.current_rms[1], current_rms_sum,
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Ade7953.active_power[0], Ade7953.active_power[1], active_power_sum);
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if (Energy.power_on) { // Powered on
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Energy.voltage[0] = (float)Ade7953.voltage_rms / Settings.energy_voltage_calibration;
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Energy.frequency[0] = 223750.0f / ( (float)Ade7953.period + 1);
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for (uint32_t channel = 0; channel < 2; channel++) {
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Energy.data_valid[channel] = 0;
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Energy.active_power[channel] = (float)Ade7953.active_power[channel] / (Settings.energy_power_calibration / 10);
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Energy.reactive_power[channel] = (float)reactive_power[channel] / (Settings.energy_power_calibration / 10);
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Energy.apparent_power[channel] = (float)apparent_power[channel] / (Settings.energy_power_calibration / 10);
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if (0 == Energy.active_power[channel]) {
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Energy.current[channel] = 0;
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} else {
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Energy.current[channel] = (float)Ade7953.current_rms[channel] / (Settings.energy_current_calibration * 10);
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}
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}
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} else { // Powered off
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Energy.data_valid[0] = ENERGY_WATCHDOG;
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Energy.data_valid[1] = ENERGY_WATCHDOG;
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}
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if (active_power_sum) {
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Energy.kWhtoday_delta += ((active_power_sum * (100000 / (Settings.energy_power_calibration / 10))) / 3600);
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EnergyUpdateToday();
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}
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}
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void Ade7953EnergyEverySecond()
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{
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if (Ade7953.init_step) {
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if (1 == Ade7953.init_step) {
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Ade7953Init();
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}
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Ade7953.init_step--;
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} else {
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Ade7953GetData();
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}
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}
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void Ade7953DrvInit(void)
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{
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if (i2c_flg && (pin[GPIO_ADE7953_IRQ] < 99)) { // Irq on GPIO16 is not supported...
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delay(100); // Need 100mS to init ADE7953
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if (I2cDevice(ADE7953_ADDR)) {
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if (HLW_PREF_PULSE == Settings.energy_power_calibration) {
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Settings.energy_power_calibration = ADE7953_PREF;
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Settings.energy_voltage_calibration = ADE7953_UREF;
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Settings.energy_current_calibration = ADE7953_IREF;
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}
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AddLog_P2(LOG_LEVEL_DEBUG, S_LOG_I2C_FOUND_AT, "ADE7953", ADE7953_ADDR);
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Ade7953.init_step = 2;
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Energy.phase_count = 2; // Handle two channels as two phases
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Energy.voltage_common = true; // Use common voltage and frequency
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energy_flg = XNRG_07;
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}
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}
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}
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bool Ade7953Command(void)
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{
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bool serviced = true;
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uint32_t channel = (2 == XdrvMailbox.index) ? 1 : 0;
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uint32_t value = (uint32_t)(CharToFloat(XdrvMailbox.data) * 100); // 1.23 = 123
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if (CMND_POWERCAL == Energy.command_code) {
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if (1 == XdrvMailbox.payload) { XdrvMailbox.payload = ADE7953_PREF; }
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// Service in xdrv_03_energy.ino
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}
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else if (CMND_VOLTAGECAL == Energy.command_code) {
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if (1 == XdrvMailbox.payload) { XdrvMailbox.payload = ADE7953_UREF; }
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// Service in xdrv_03_energy.ino
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}
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else if (CMND_CURRENTCAL == Energy.command_code) {
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if (1 == XdrvMailbox.payload) { XdrvMailbox.payload = ADE7953_IREF; }
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// Service in xdrv_03_energy.ino
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}
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else if (CMND_POWERSET == Energy.command_code) {
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if (XdrvMailbox.data_len && Ade7953.active_power[channel]) {
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if ((value > 100) && (value < 200000)) { // Between 1W and 2000W
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Settings.energy_power_calibration = (Ade7953.active_power[channel] * 1000) / value; // 0.00 W
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}
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}
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}
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else if (CMND_VOLTAGESET == Energy.command_code) {
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if (XdrvMailbox.data_len && Ade7953.voltage_rms) {
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if ((value > 10000) && (value < 26000)) { // Between 100V and 260V
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Settings.energy_voltage_calibration = (Ade7953.voltage_rms * 100) / value; // 0.00 V
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}
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}
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}
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else if (CMND_CURRENTSET == Energy.command_code) {
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if (XdrvMailbox.data_len && Ade7953.current_rms[channel]) {
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if ((value > 2000) && (value < 1000000)) { // Between 20mA and 10A
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Settings.energy_current_calibration = ((Ade7953.current_rms[channel] * 100) / value) * 100; // 0.00 mA
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}
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}
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}
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else serviced = false; // Unknown command
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return serviced;
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xnrg07(uint8_t function)
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{
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bool result = false;
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switch (function) {
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case FUNC_ENERGY_EVERY_SECOND:
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Ade7953EnergyEverySecond();
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break;
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case FUNC_COMMAND:
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result = Ade7953Command();
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break;
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case FUNC_PRE_INIT:
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Ade7953DrvInit();
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break;
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}
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return result;
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}
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#endif // USE_ADE7953
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#endif // USE_ENERGY_SENSOR
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#endif // USE_I2C
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