mirror of https://github.com/arendst/Tasmota.git
244 lines
6.7 KiB
C++
244 lines
6.7 KiB
C++
/*
|
|
xnrg_18_sdm72.ino - Eastron SDM72D-M Modbus energy meter support for Tasmota
|
|
|
|
Copyright (C) 2021 Gennaro Tortone, Theo Arends and Norbert Richter
|
|
|
|
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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifdef USE_ENERGY_SENSOR
|
|
#ifdef USE_SDM72
|
|
/*********************************************************************************************\
|
|
* Eastron SDM72 Modbus energy meter
|
|
\*********************************************************************************************/
|
|
|
|
#define XNRG_18 18
|
|
|
|
//#define SDM72_IMPEXP
|
|
|
|
// can be user defined in my_user_config.h
|
|
#ifndef SDM72_SPEED
|
|
#define SDM72_SPEED 9600 // default SDM72 Modbus address
|
|
#endif
|
|
// can be user defined in my_user_config.h
|
|
#ifndef SDM72_ADDR
|
|
#define SDM72_ADDR 1 // default SDM72 Modbus address
|
|
#endif
|
|
|
|
#include <TasmotaModbus.h>
|
|
TasmotaModbus *Sdm72Modbus;
|
|
|
|
const uint16_t sdm72_register[] {
|
|
0x0034, // 0 SDM72D_POWER [W]
|
|
0x0156, // 3 SDM72D_TOTAL_ACTIVE [kWh]
|
|
#ifdef SDM72_IMPEXP
|
|
0x0500, // 1 SDM72D_IMPORT_POWER [W]
|
|
0x0502, // 2 SDM72D_EXPORT_POWER [W]
|
|
0x0048, // 4 SDM72D_IMPORT_ACTIVE [kWh]
|
|
0x004A // 5 SDM72D_EXPORT_ACTIVE [kWh]
|
|
#endif // SDM72_IMPEXP
|
|
};
|
|
|
|
struct SDM72 {
|
|
float total_active = NAN;
|
|
#ifdef SDM72_IMPEXP
|
|
float import_power = 0;
|
|
float export_power = 0;
|
|
float import_active = 0;
|
|
#endif // SDM72_IMPEXP
|
|
uint8_t read_state = 0;
|
|
uint8_t send_retry = 0;
|
|
} Sdm72;
|
|
|
|
/*********************************************************************************************/
|
|
|
|
void Sdm72Every250ms(void)
|
|
{
|
|
bool data_ready = Sdm72Modbus->ReceiveReady();
|
|
|
|
if (data_ready) {
|
|
uint8_t buffer[14]; // At least 5 + (2 * 2) = 9
|
|
|
|
uint32_t error = Sdm72Modbus->ReceiveBuffer(buffer, 2);
|
|
AddLogBuffer(LOG_LEVEL_DEBUG_MORE, buffer, Sdm72Modbus->ReceiveCount());
|
|
|
|
if (error) {
|
|
AddLog(LOG_LEVEL_DEBUG, PSTR("SDM: SDM72 error %d"), error);
|
|
} else {
|
|
Energy.data_valid[0] = 0;
|
|
|
|
float value;
|
|
((uint8_t*)&value)[3] = buffer[3]; // Get float values
|
|
((uint8_t*)&value)[2] = buffer[4];
|
|
((uint8_t*)&value)[1] = buffer[5];
|
|
((uint8_t*)&value)[0] = buffer[6];
|
|
|
|
switch(Sdm72.read_state) {
|
|
case 0:
|
|
Energy.active_power[0] = value; // W
|
|
break;
|
|
|
|
case 1:
|
|
Sdm72.total_active = value; // kWh
|
|
break;
|
|
|
|
#ifdef SDM72_IMPEXP
|
|
case 2:
|
|
Sdm72.import_power = value; // W
|
|
break;
|
|
|
|
case 3:
|
|
Sdm72.export_power = value; // W
|
|
break;
|
|
|
|
case 4:
|
|
Energy.import_active[0] = value; // kWh
|
|
break;
|
|
|
|
case 5:
|
|
Energy.export_active[0] = value; // kWh
|
|
break;
|
|
#endif // SDM72_IMPEXP
|
|
}
|
|
|
|
++Sdm72.read_state %= nitems(sdm72_register);
|
|
if (0 == Sdm72.read_state && !isnan(Sdm72.total_active)) {
|
|
Energy.import_active[0] = Sdm72.total_active;
|
|
EnergyUpdateTotal();
|
|
}
|
|
}
|
|
} // end data ready
|
|
|
|
if (0 == Sdm72.send_retry || data_ready) {
|
|
Sdm72.send_retry = 5;
|
|
Sdm72Modbus->Send(SDM72_ADDR, 0x04, sdm72_register[Sdm72.read_state], 2);
|
|
} else {
|
|
Sdm72.send_retry--;
|
|
}
|
|
}
|
|
|
|
void Sdm72SnsInit(void)
|
|
{
|
|
Sdm72Modbus = new TasmotaModbus(Pin(GPIO_SDM72_RX), Pin(GPIO_SDM72_TX));
|
|
uint8_t result = Sdm72Modbus->Begin(SDM72_SPEED);
|
|
if (result) {
|
|
if (2 == result) {
|
|
ClaimSerial();
|
|
}
|
|
} else {
|
|
TasmotaGlobal.energy_driver = ENERGY_NONE;
|
|
}
|
|
}
|
|
|
|
void Sdm72DrvInit(void)
|
|
{
|
|
if (PinUsed(GPIO_SDM72_RX) && PinUsed(GPIO_SDM72_TX)) {
|
|
Energy.voltage_available = false;
|
|
Energy.current_available = false;
|
|
TasmotaGlobal.energy_driver = XNRG_18;
|
|
}
|
|
}
|
|
|
|
#ifdef SDM72_IMPEXP
|
|
|
|
/*
|
|
#ifdef USE_WEBSERVER
|
|
const char HTTP_ENERGY_SDM72[] PROGMEM =
|
|
"{s}" D_EXPORT_POWER "{m}%*_f " D_UNIT_WATT "{e}"
|
|
"{s}" D_IMPORT_POWER "{m}%*_f " D_UNIT_WATT "{e}";
|
|
#endif // USE_WEBSERVER
|
|
|
|
void Sdm72Show(bool json) {
|
|
if (isnan(Sdm72.total_active)) { return; }
|
|
|
|
if (json) {
|
|
ResponseAppend_P(PSTR(",\"" D_JSON_EXPORT_POWER "\":%*_f,\"" D_JSON_IMPORT_POWER "\":%*_f"),
|
|
Settings->flag2.wattage_resolution, &Sdm72.export_power,
|
|
Settings->flag2.wattage_resolution, &Sdm72.import_power);
|
|
#ifdef USE_WEBSERVER
|
|
} else {
|
|
WSContentSend_PD(HTTP_ENERGY_SDM72,
|
|
Settings->flag2.wattage_resolution, &Sdm72.export_power,
|
|
Settings->flag2.wattage_resolution, &Sdm72.import_power);
|
|
#endif // USE_WEBSERVER
|
|
}
|
|
}
|
|
*/
|
|
|
|
#ifdef USE_WEBSERVER
|
|
const char HTTP_ENERGY_SDM72[] PROGMEM =
|
|
"{s}" D_EXPORT_POWER "{m}%s" D_UNIT_WATT "{e}"
|
|
"{s}" D_IMPORT_POWER "{m}%s" D_UNIT_WATT "{e}";
|
|
#endif // USE_WEBSERVER
|
|
|
|
void Sdm72Show(bool json) {
|
|
if (isnan(Sdm72.total_active)) { return; }
|
|
|
|
char value_chr[GUISZ];
|
|
char value2_chr[GUISZ];
|
|
|
|
if (json) {
|
|
ResponseAppend_P(PSTR(",\"" D_JSON_EXPORT_POWER "\":%s,\"" D_JSON_IMPORT_POWER "\":%s"),
|
|
EnergyFormat(value_chr, &Sdm72.export_power, Settings->flag2.wattage_resolution),
|
|
EnergyFormat(value2_chr, &Sdm72.import_power, Settings->flag2.wattage_resolution));
|
|
#ifdef USE_WEBSERVER
|
|
} else {
|
|
WSContentSend_PD(HTTP_ENERGY_SDM72, WebEnergyFormat(value_chr, &Sdm72.export_power, Settings->flag2.wattage_resolution),
|
|
WebEnergyFormat(value2_chr, &Sdm72.import_power, Settings->flag2.wattage_resolution));
|
|
|
|
#endif // USE_WEBSERVER
|
|
}
|
|
}
|
|
|
|
#endif // SDM72_IMPEXP
|
|
|
|
/*********************************************************************************************\
|
|
* Interface
|
|
\*********************************************************************************************/
|
|
|
|
bool Xnrg18(uint32_t function)
|
|
{
|
|
bool result = false;
|
|
|
|
switch (function) {
|
|
case FUNC_EVERY_250_MSECOND:
|
|
Sdm72Every250ms();
|
|
break;
|
|
#ifdef SDM72_IMPEXP
|
|
case FUNC_JSON_APPEND:
|
|
Sdm72Show(1);
|
|
break;
|
|
#ifdef USE_WEBSERVER
|
|
#ifdef USE_ENERGY_COLUMN_GUI
|
|
case FUNC_WEB_COL_SENSOR:
|
|
#else // not USE_ENERGY_COLUMN_GUI
|
|
case FUNC_WEB_SENSOR:
|
|
#endif // USE_ENERGY_COLUMN_GUI
|
|
Sdm72Show(0);
|
|
break;
|
|
#endif // USE_WEBSERVER
|
|
#endif // SDM72_IMPEXP
|
|
case FUNC_INIT:
|
|
Sdm72SnsInit();
|
|
break;
|
|
case FUNC_PRE_INIT:
|
|
Sdm72DrvInit();
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#endif // USE_SDM72
|
|
#endif // USE_ENERGY_SENSOR
|