2020-07-12 16:52:24 +01:00
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/*
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2020-07-14 16:37:14 +01:00
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xnrg_16_iem3000.ino - Schneider Electric iEM3000 series Modbus energy meter support for Tasmota
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2020-07-12 16:52:24 +01:00
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2022-07-13 10:23:03 +01:00
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Copyright (C) 2022 Marius Bezuidenhout
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2020-07-12 16:52:24 +01:00
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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_ENERGY_SENSOR
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#ifdef USE_IEM3000
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/*********************************************************************************************\
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* Schneider Electric iEM3000 series Modbus energy meter
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* iEM3150 / iEM3155 / iEM3250 / iEM3255 / iEM3350 / iEM3355 / iEM3455 / iEM3555
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* Important! Set meter Commnication -> Parity to None
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\*********************************************************************************************/
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2020-07-14 16:37:14 +01:00
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#define XNRG_16 16
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2020-07-12 16:52:24 +01:00
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// can be user defined in my_user_config.h
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#ifndef IEM3000_SPEED
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#define IEM3000_SPEED 19200 // default IEM3000 Modbus address
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#endif
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// can be user defined in my_user_config.h
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#ifndef IEM3000_ADDR
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#define IEM3000_ADDR 1 // default IEM3000 Modbus address
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#endif
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#include <TasmotaModbus.h>
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TasmotaModbus *Iem3000Modbus;
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const uint16_t Iem3000_start_addresses[] {
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// ID (reg count/datatype) [unit] Description
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0x0bb7, // 0 . IEM3000_I1_CURRENT (2/Float32) [A] I1: phase 1 current
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0x0bb9, // 1 . IEM3000_I2_CURRENT (2/Float32) [A] I2: phase 2 current
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0x0bbb, // 2 . IEM3000_I3_CURRENT (2/Float32) [A] I3: phase 3 current
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0x0bd3, // 3 . IEM3000_L1_VOLTAGE (2/Float32) [V] Voltage L1–N
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0x0bd5, // 4 . IEM3000_L2_VOLTAGE (2/Float32) [V] Voltage L2–N
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0x0bd7, // 5 . IEM3000_L3_VOLTAGE (2/Float32) [V] Voltage L3–N
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2022-07-13 10:23:03 +01:00
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0x0bed, // 6 . IEM3000_P1_POWER (2/Float32) [kW] Active Power Phase 1
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0x0bef, // 7 . IEM3000_P2_POWER (2/Float32) [kW] Active Power Phase 2
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0x0bf1, // 8 . IEM3000_P3_POWER (2/Float32) [kW] Active Power Phase 3
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2020-07-12 16:52:24 +01:00
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0x0c25, // 9 . IEM3000_FREQUENCY (2/Float32) [Hz] Frequency
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2022-07-13 10:23:03 +01:00
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0x0dbd, // 10 . IEM3000_L1_IMPORT (4/Int64) [Wh] Active Energy Import Phase 1
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0x0dc1, // 11 . IEM3000_L1_IMPORT (4/Int64) [Wh] Active Energy Import Phase 1
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0x0dc5, // 12 . IEM3000_L1_IMPORT (4/Int64) [Wh] Active Energy Import Phase 1
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0x0c83, // 13 . IEM3000_IMPORT (4/Int64) [Wh] Total Active Energy Import
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2020-07-12 16:52:24 +01:00
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};
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2022-07-13 10:23:03 +01:00
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#define FLOAT_ParamLimit 10
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2021-08-22 10:09:44 +01:00
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2020-07-12 16:52:24 +01:00
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struct IEM3000 {
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uint8_t read_state = 0;
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uint8_t send_retry = 0;
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} Iem3000;
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/*********************************************************************************************/
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void IEM3000Every250ms(void)
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{
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bool data_ready = Iem3000Modbus->ReceiveReady();
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uint8_t reg_count = 4;
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2021-08-22 10:09:44 +01:00
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if (Iem3000.read_state < FLOAT_ParamLimit) {
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2020-07-12 16:52:24 +01:00
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reg_count = 2;
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}
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if (data_ready) {
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2021-08-22 10:09:44 +01:00
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uint8_t buffer[16]; // At least 5 + sizeof(int64_t) = 13
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2020-07-12 16:52:24 +01:00
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uint32_t error = Iem3000Modbus->ReceiveBuffer(buffer, reg_count);
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AddLogBuffer(LOG_LEVEL_DEBUG_MORE, buffer, Iem3000Modbus->ReceiveCount());
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if (error) {
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2021-01-23 16:10:06 +00:00
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AddLog(LOG_LEVEL_DEBUG, PSTR("SDM: Iem3000 error %d"), error);
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2020-07-12 16:52:24 +01:00
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} else {
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2023-01-24 15:54:03 +00:00
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Energy->data_valid[0] = 0;
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2020-07-12 16:52:24 +01:00
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// 0 1 2 3 4 5 6 7 8
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// SA FC BC Fh Fl Sh Sl Cl Ch
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// 01 04 04 43 66 33 34 1B 38 = 230.2 Volt
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float value;
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int64_t value64;
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2021-08-22 10:09:44 +01:00
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if(Iem3000.read_state >= 0 && Iem3000.read_state < FLOAT_ParamLimit) {
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2020-07-12 16:52:24 +01:00
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((uint8_t*)&value)[3] = buffer[3]; // Get float values
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((uint8_t*)&value)[2] = buffer[4];
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((uint8_t*)&value)[1] = buffer[5];
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((uint8_t*)&value)[0] = buffer[6];
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} else {
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((uint8_t*)&value64)[7] = buffer[3]; // Get int values
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((uint8_t*)&value64)[6] = buffer[4];
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((uint8_t*)&value64)[5] = buffer[5];
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((uint8_t*)&value64)[4] = buffer[6];
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((uint8_t*)&value64)[3] = buffer[7];
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((uint8_t*)&value64)[2] = buffer[8];
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((uint8_t*)&value64)[1] = buffer[9];
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((uint8_t*)&value64)[0] = buffer[10];
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}
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switch(Iem3000.read_state) {
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case 0:
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2023-01-24 15:54:03 +00:00
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Energy->current[0] = value;
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2020-07-12 16:52:24 +01:00
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break;
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2020-07-14 16:37:14 +01:00
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2020-07-12 16:52:24 +01:00
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case 1:
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2023-01-24 15:54:03 +00:00
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Energy->current[1] = value;
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2020-07-12 16:52:24 +01:00
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break;
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2020-07-14 16:37:14 +01:00
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2020-07-12 16:52:24 +01:00
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case 2:
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2023-01-24 15:54:03 +00:00
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Energy->current[2] = value;
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2020-07-12 16:52:24 +01:00
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break;
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case 3:
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2023-01-24 15:54:03 +00:00
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Energy->voltage[0] = value;
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2020-07-12 16:52:24 +01:00
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break;
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case 4:
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2023-01-24 15:54:03 +00:00
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Energy->voltage[1] = value;
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2020-07-12 16:52:24 +01:00
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break;
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case 5:
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2023-01-24 15:54:03 +00:00
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Energy->voltage[2] = value;
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2020-07-12 16:52:24 +01:00
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break;
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case 6:
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2023-01-24 15:54:03 +00:00
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Energy->active_power[0] = value*1000;
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2020-07-12 16:52:24 +01:00
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break;
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case 7:
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2023-01-24 15:54:03 +00:00
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Energy->active_power[1] = value*1000;
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2020-07-12 16:52:24 +01:00
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break;
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case 8:
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2023-01-24 15:54:03 +00:00
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Energy->active_power[2] = value*1000;
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2020-07-12 16:52:24 +01:00
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break;
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case 9:
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2023-01-24 15:54:03 +00:00
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Energy->frequency[0] = value;
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2020-07-12 16:52:24 +01:00
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break;
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case 10:
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2023-01-24 15:54:03 +00:00
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Energy->import_active[0] = value64/1000.0;
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2022-07-13 10:23:03 +01:00
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break;
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case 11:
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2023-01-24 15:54:03 +00:00
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Energy->import_active[1] = value64/1000.0;
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2022-07-13 10:23:03 +01:00
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break;
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case 12:
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2023-01-24 15:54:03 +00:00
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Energy->import_active[2] = value64/1000.0;
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2022-07-13 10:23:03 +01:00
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break;
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case 13:
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2021-10-02 17:29:05 +01:00
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EnergyUpdateTotal();
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2020-07-12 16:52:24 +01:00
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break;
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}
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Iem3000.read_state++;
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if (sizeof(Iem3000_start_addresses)/2 == Iem3000.read_state) {
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Iem3000.read_state = 0;
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}
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}
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} // end data ready
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if (0 == Iem3000.send_retry || data_ready) {
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Iem3000.send_retry = 5;
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Iem3000Modbus->Send(IEM3000_ADDR, 0x03, Iem3000_start_addresses[Iem3000.read_state], reg_count);
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} else {
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Iem3000.send_retry--;
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}
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}
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void Iem3000SnsInit(void)
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{
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2022-12-03 11:33:42 +00:00
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Iem3000Modbus = new TasmotaModbus(Pin(GPIO_IEM3000_RX), Pin(GPIO_IEM3000_TX), Pin(GPIO_NRG_MBS_TX_ENA));
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2020-07-12 16:52:24 +01:00
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uint8_t result = Iem3000Modbus->Begin(IEM3000_SPEED);
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if (result) {
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if (2 == result) { ClaimSerial(); }
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2023-01-24 15:54:03 +00:00
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Energy->phase_count = 3;
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Energy->frequency_common = true; // Use common frequency
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2020-07-12 16:52:24 +01:00
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} else {
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2020-10-30 11:29:48 +00:00
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TasmotaGlobal.energy_driver = ENERGY_NONE;
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2020-07-12 16:52:24 +01:00
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}
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}
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void Iem3000DrvInit(void)
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{
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if (PinUsed(GPIO_IEM3000_RX) && PinUsed(GPIO_IEM3000_TX)) {
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2020-10-30 11:29:48 +00:00
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TasmotaGlobal.energy_driver = XNRG_16;
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2020-07-12 16:52:24 +01:00
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}
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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2022-11-11 09:44:56 +00:00
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bool Xnrg16(uint32_t function)
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2020-07-12 16:52:24 +01:00
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{
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bool result = false;
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switch (function) {
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case FUNC_EVERY_250_MSECOND:
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2020-10-30 11:45:34 +00:00
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IEM3000Every250ms();
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2020-07-12 16:52:24 +01:00
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break;
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case FUNC_INIT:
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Iem3000SnsInit();
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break;
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case FUNC_PRE_INIT:
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Iem3000DrvInit();
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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_IEM3000
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#endif // USE_ENERGY_SENSOR
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