mirror of https://github.com/arendst/Tasmota.git
129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
/*
|
|
xnrg_05_pzem_ac.ino - PZEM-014,016 Modbus AC energy sensor support for Sonoff-Tasmota
|
|
|
|
Copyright (C) 2019 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_AC
|
|
/*********************************************************************************************\
|
|
* PZEM-014 - AC 220V 10A Energy
|
|
* PZEM-016 - AC 220V 100A Energy
|
|
*
|
|
* Based on:
|
|
* PZEM-014,016 docs https://pan.baidu.com/s/1B0MdMgURyjtO1oQa2lavKw password ytkv
|
|
*
|
|
* Hardware Serial will be selected if GPIO1 = [98 PZEM016 Rx] and GPIO3 = [62 PZEM0XX Tx]
|
|
\*********************************************************************************************/
|
|
|
|
#define XNRG_05 5
|
|
|
|
#define PZEM_AC_DEVICE_ADDRESS 0x01 // PZEM default address
|
|
|
|
#include <TasmotaModbus.h>
|
|
TasmotaModbus *PzemAcModbus;
|
|
|
|
void PzemAcEverySecond(void)
|
|
{
|
|
static uint8_t send_retry = 0;
|
|
|
|
bool data_ready = PzemAcModbus->ReceiveReady();
|
|
|
|
if (data_ready) {
|
|
uint8_t buffer[26];
|
|
|
|
uint8_t error = PzemAcModbus->ReceiveBuffer(buffer, 10);
|
|
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 "PzemAc 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 21 22 23 24
|
|
// 01 04 14 08 D1 00 6C 00 00 00 F4 00 00 00 26 00 00 01 F4 00 64 00 00 51 34
|
|
// Id Cc Sz Volt- Current---- Power------ Energy----- Frequ PFact Alarm Crc--
|
|
energy_voltage = (float)((buffer[3] << 8) + buffer[4]) / 10.0; // 6553.0 V
|
|
energy_current = (float)((buffer[7] << 24) + (buffer[8] << 16) + (buffer[5] << 8) + buffer[6]) / 1000.0; // 4294967.000 A
|
|
energy_active_power = (float)((buffer[11] << 24) + (buffer[12] << 16) + (buffer[9] << 8) + buffer[10]) / 10.0; // 429496729.0 W
|
|
energy_frequency = (float)((buffer[17] << 8) + buffer[18]) / 10.0; // 50.0 Hz
|
|
energy_power_factor = (float)((buffer[19] << 8) + buffer[20]) / 100.0; // 1.00
|
|
float energy = (float)((buffer[15] << 24) + (buffer[16] << 16) + (buffer[13] << 8) + buffer[14]); // 4294967295 Wh
|
|
|
|
if (!energy_start || (energy < energy_start)) { energy_start = energy; } // Init after restart and handle roll-over if any
|
|
if (energy != energy_start) {
|
|
energy_kWhtoday += (unsigned long)((energy - energy_start) * 100);
|
|
energy_start = energy;
|
|
}
|
|
EnergyUpdateToday();
|
|
}
|
|
}
|
|
|
|
if (0 == send_retry || data_ready) {
|
|
send_retry = 5;
|
|
PzemAcModbus->Send(PZEM_AC_DEVICE_ADDRESS, 0x04, 0, 10);
|
|
}
|
|
else {
|
|
send_retry--;
|
|
}
|
|
}
|
|
|
|
void PzemAcSnsInit(void)
|
|
{
|
|
PzemAcModbus = new TasmotaModbus(pin[GPIO_PZEM016_RX], pin[GPIO_PZEM0XX_TX]);
|
|
uint8_t result = PzemAcModbus->Begin(9600);
|
|
if (result) {
|
|
if (2 == result) { ClaimSerial(); }
|
|
} else {
|
|
energy_flg = ENERGY_NONE;
|
|
}
|
|
}
|
|
|
|
void PzemAcDrvInit(void)
|
|
{
|
|
if (!energy_flg) {
|
|
if ((pin[GPIO_PZEM016_RX] < 99) && (pin[GPIO_PZEM0XX_TX] < 99)) {
|
|
energy_flg = XNRG_05;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************************************************************************************\
|
|
* Interface
|
|
\*********************************************************************************************/
|
|
|
|
int Xnrg05(byte function)
|
|
{
|
|
int result = 0;
|
|
|
|
if (FUNC_PRE_INIT == function) {
|
|
PzemAcDrvInit();
|
|
}
|
|
else if (XNRG_05 == energy_flg) {
|
|
switch (function) {
|
|
case FUNC_INIT:
|
|
PzemAcSnsInit();
|
|
break;
|
|
case FUNC_EVERY_SECOND:
|
|
PzemAcEverySecond();
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#endif // USE_PZEM_AC
|
|
#endif // USE_ENERGY_SENSOR
|