mirror of https://github.com/arendst/Tasmota.git
126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
/*
|
|
xnrg_06_pzem_dc.ino - PZEM-003,017 Modbus DC energy sensor support for Sonoff-Tasmota
|
|
|
|
Copyright (C) 2018 Theo Arends
|
|
|
|
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_PZEM_DC
|
|
/*********************************************************************************************\
|
|
* PZEM-003 - DC 300V 10A Energy
|
|
* PZEM-017 - DC 300V 50A - 300A Energy
|
|
*
|
|
* Based on:
|
|
* PZEM-003,017 docs Https://pan.baidu.com/s/1V9bDWj3RK2u6_fbBJ3GtqQ password rq37
|
|
*
|
|
* Hardware Serial will be selected if GPIO1 = [99 PZEM017 Rx] and GPIO3 = [62 PZEM0XX Tx]
|
|
\*********************************************************************************************/
|
|
|
|
#define XNRG_06 6
|
|
|
|
#define PZEM_DC_DEVICE_ADDRESS 0x01 // PZEM default address
|
|
|
|
#include <TasmotaModbus.h>
|
|
TasmotaModbus *PzemDcModbus;
|
|
|
|
void PzemDcEverySecond()
|
|
{
|
|
static uint8_t send_retry = 0;
|
|
|
|
bool data_ready = PzemDcModbus->ReceiveReady();
|
|
|
|
if (data_ready) {
|
|
uint8_t buffer[22];
|
|
|
|
uint8_t error = PzemDcModbus->ReceiveBuffer(buffer, 8);
|
|
AddLogSerial(LOG_LEVEL_DEBUG_MORE, buffer, (buffer[2]) ? buffer[2] +5 : sizeof(buffer));
|
|
|
|
if (error) {
|
|
snprintf_P(log_data, sizeof(log_data), PSTR(D_LOG_DEBUG "PzemDc response error %d"), error);
|
|
AddLog(LOG_LEVEL_DEBUG);
|
|
} else {
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
|
|
// 01 04 10 05 40 00 0A 00 0D 00 00 00 02 00 00 00 00 00 00 D6 29
|
|
// Id Cc Sz Volt- Curre Power------ Energy----- HiAlm LoAlm Crc--
|
|
energy_voltage = (float)((buffer[3] << 8) + buffer[4]) / 100.0; // 655.00 V
|
|
energy_current = (float)((buffer[5] << 8) + buffer[6]) / 100.0; // 655.00 A
|
|
energy_active_power = (float)((buffer[9] << 24) + (buffer[10] << 16) + (buffer[7] << 8) + buffer[8]) / 10.0; // 429496729.0 W
|
|
float energy = (float)((buffer[13] << 24) + (buffer[14] << 16) + (buffer[11] << 8) + buffer[12]); // 4294967295 Wh
|
|
|
|
if (!energy_start || (energy < energy_start)) { energy_start = energy; } // Init after restart and hanlde roll-over if any
|
|
energy_kWhtoday += (energy - energy_start) * 100;
|
|
energy_start = energy;
|
|
EnergyUpdateToday();
|
|
}
|
|
}
|
|
|
|
if (0 == send_retry || data_ready) {
|
|
send_retry = 5;
|
|
PzemDcModbus->Send(PZEM_DC_DEVICE_ADDRESS, 0x04, 0, 8);
|
|
}
|
|
else {
|
|
send_retry--;
|
|
}
|
|
}
|
|
|
|
void PzemDcSnsInit()
|
|
{
|
|
PzemDcModbus = new TasmotaModbus(pin[GPIO_PZEM017_RX], pin[GPIO_PZEM0XX_TX]);
|
|
uint8_t result = PzemDcModbus->Begin(9600, 2); // Uses two stop bits!!
|
|
if (result) {
|
|
if (2 == result) { ClaimSerial(); }
|
|
energy_type_dc = true;
|
|
} else {
|
|
energy_flg = ENERGY_NONE;
|
|
}
|
|
}
|
|
|
|
void PzemDcDrvInit()
|
|
{
|
|
if (!energy_flg) {
|
|
if ((pin[GPIO_PZEM017_RX] < 99) && (pin[GPIO_PZEM0XX_TX] < 99)) {
|
|
energy_flg = XNRG_06;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************************************************************************************\
|
|
* Interface
|
|
\*********************************************************************************************/
|
|
|
|
int Xnrg06(byte function)
|
|
{
|
|
int result = 0;
|
|
|
|
if (FUNC_PRE_INIT == function) {
|
|
PzemDcDrvInit();
|
|
}
|
|
else if (XNRG_06 == energy_flg) {
|
|
switch (function) {
|
|
case FUNC_INIT:
|
|
PzemDcSnsInit();
|
|
break;
|
|
case FUNC_EVERY_SECOND:
|
|
PzemDcEverySecond();
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#endif // USE_PZEM_DC
|
|
#endif // USE_ENERGY_SENSOR
|