mirror of
https://github.com/dalathegreat/Battery-Emulator.git
synced 2025-10-03 01:39:30 +02:00
Combine CAN and Modbus version
This commit is contained in:
Daniel Öster
GitHub
parent
393d954aa7
commit
74658aa1d9
1 changed files with 211 additions and 36 deletions
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@ -1,8 +1,3 @@
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// =================================================================================================
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// eModbus: Copyright 2020 by Michael Harwerth, Bert Melis and the contributors to ModbusClient
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// MIT license - see license.md for details
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// =================================================================================================
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// Includes: <Arduino.h> for Serial etc., WiFi.h for WiFi support
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#include <Arduino.h>
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#include "HardwareSerial.h"
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#include "config.h"
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@ -12,7 +7,7 @@
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#include "ESP32CAN.h"
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#include "CAN_config.h"
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//CAN sending parameters
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//CAN parameters
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CAN_device_t CAN_cfg; // CAN Config
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unsigned long previousMillis10 = 0; // will store last time a 10ms CAN Message was send
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unsigned long previousMillis100 = 0; // will store last time a 100ms CAN Message was send
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@ -22,7 +17,7 @@ const int rx_queue_size = 10; // Receive Queue size
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byte mprun10 = 0; //counter 0-3
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byte mprun100 = 0; //counter 0-3
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//Nissan LEAF battery parameters
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//Nissan LEAF battery parameters from CAN
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#define WH_PER_GID 77 //One GID is this amount of Watt hours
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int LB_Discharge_Power_Limit = 0; //Limit in kW
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int LB_MAX_POWER_FOR_CHARGER = 0; //Limit in kW
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@ -35,11 +30,36 @@ int LB_Current = 0; //Current in kW going in/out of battery
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int LB_Total_Voltage = 0; //Battery voltage (0-450V)
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// global Modbus memory registers
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const int intervalModbusTask = 10000; //Interval at which to refresh modbus registers
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unsigned long previousMillisModbus = 0; //will store last time a modbus register refresh
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uint16_t mbPV[30000]; // process variable memory: produced by sensors, etc., cyclic read by PLC via modbus TCP
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uint16_t capacity_kWh_startup = 30000; //30kWh
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uint16_t MaxPower = 40960; //41kW TODO, fetch from LEAF battery (or does it matter, polled after startup?)
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uint16_t MaxVoltage = 4672; //(467.2V), if higher charging is not possible (goes into forced discharge)
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uint16_t MinVoltage = 3200; //Min Voltage (320.0V), if lower Gen24 disables battery
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uint16_t Status = 3; //ACTIVE - [0..5]<>[STANDBY,INACTIVE,DARKSTART,ACTIVE,FAULT,UPDATING]
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uint16_t SOC = 5000; //SOC 0-100.00% TODO, fetch from LEAF battery
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uint16_t capacity_kWh = 30000; //30kWh TODO, fetch from LEAF battery
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uint16_t remaining_capacity_kWh = 30000; //TODO, fetch from LEAF battery 59E
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uint16_t max_target_discharge_power = 0; //0W (0W > restricts to no discharge)
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uint16_t max_target_charge_power = 4312; //4.3kW (during charge), both 307&308 can be set (>0) at the same time
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uint16_t TemperatureMax = 50; //Todo, read from LEAF pack, uint not ok
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uint16_t TemperatureMin = 60; //Todo, read from LEAF pack, uint not ok
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// Store the data into the array
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//uint16_t p101_data[] = {21321, 1, 16985, 17408, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16985, 17440, 16993, 29812, 25970, 31021, 17007, 30752, 20594, 25965, 26997, 27936, 18518, 0, 0, 0, 13614, 12288, 0, 0, 0, 0, 0, 0, 13102, 12598, 0, 0, 0, 0, 0, 0, 20581, 27756, 25856, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0};
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uint16_t p101_data[] = {8373, 1}; //SI
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uint16_t p103_data[] = {6689, 6832, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //BY D
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uint16_t p119_data[] = {6689, 6832, 6697, 116116, 101114, 12145, 66111, 12032, 80114, 101109, 105117, 10932, 7286, 0, 0, 0}; //BY D Ba tt er y- Bo x Pr em iu m HV
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uint16_t p135_data[] = {5346, 48, 0, 0, 0, 0, 0, 0, 5146, 4954, 0, 0, 0, 0, 0, 0}; //5.0 3.16
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uint16_t p151_data[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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uint16_t p167_data[] = {1, 0};
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uint16_t p201_data[] = {0, 0, capacity_kWh_startup, MaxPower, MaxPower, MaxVoltage, MinVoltage, 53248, 10, 53248, 10, 0, 0};
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uint16_t p301_data[] = {Status, 0, 128, SOC, capacity_kWh, remaining_capacity_kWh, max_target_discharge_power, max_target_charge_power, 0, 0, 2058, 0, TemperatureMin, TemperatureMax, 0, 0, 16, 22741, 0, 0, 13, 52064, 80, 9900};
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uint16_t i;
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// Create a ModbusRTU server instance listening on Serial2 with 2000ms timeout
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ModbusServerRTU MBserver(Serial2, 2000);
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// Create a ModbusRTU server instance listening on Serial2 with 2000ms timeout
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// Setup() - initialization happens here
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void setup() {
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//CAN pins
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@ -78,40 +98,195 @@ void setup() {
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// Start ModbusRTU background task
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MBserver.start();
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}
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uint16_t capacity_kWh_startup = 30000; //30kWh
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uint16_t MaxPower = 40960; //41kW TODO, fetch from LEAF battery (or does it matter, polled after startup?)
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uint16_t MaxVoltage = 4672; //(467.2V), if higher charging is not possible (goes into forced discharge)
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uint16_t MinVoltage = 3200; //Min Voltage (320.0V), if lower Gen24 disables battery
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uint16_t Status = 3; //ACTIVE - [0..5]<>[STANDBY,INACTIVE,DARKSTART,ACTIVE,FAULT,UPDATING]
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uint16_t SOC = 5000; //SOC 0-100.00% TODO, fetch from LEAF battery
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uint16_t capacity_kWh = 30000; //30kWh TODO, fetch from LEAF battery
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uint16_t remaining_capacity_kWh = 30000; //TODO, fetch from LEAF battery 59E
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uint16_t max_target_discharge_power = 0; //0W (0W > restricts to no discharge)
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uint16_t max_target_charge_power = 4312; //4.3kW (during charge), both 307&308 can be set (>0) at the same time
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uint16_t TemperatureMax = 50; //Todo, read from LEAF pack
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uint16_t TemperatureMin = 60; //Todo, read from LEAF pack
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// Store the data into the array
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//uint16_t p101_data[] = {21321, 1, 16985, 17408, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16985, 17440, 16993, 29812, 25970, 31021, 17007, 30752, 20594, 25965, 26997, 27936, 18518, 0, 0, 0, 13614, 12288, 0, 0, 0, 0, 0, 0, 13102, 12598, 0, 0, 0, 0, 0, 0, 20581, 27756, 25856, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0};
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uint16_t p101_data[] = {8373, 1}; //SI
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uint16_t p103_data[] = {6689, 6832, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //BY D
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uint16_t p119_data[] = {6689, 6832, 6697, 116116, 101114, 12145, 66111, 12032, 80114, 101109, 105117, 10932, 7286, 0, 0, 0}; //BY D Ba tt er y- Bo x Pr em iu m HV
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uint16_t p135_data[] = {5346, 48, 0, 0, 0, 0, 0, 0, 5146, 4954, 0, 0, 0, 0, 0, 0}; //5.0 3.16
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uint16_t p151_data[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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uint16_t p167_data[] = {1, 0};
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uint16_t p201_data[] = {0, 0, capacity_kWh_startup, MaxPower, MaxPower, MaxVoltage, MinVoltage, 53248, 10, 53248, 10, 0, 0};
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uint16_t p301_data[] = {Status, 0, 128, SOC, capacity_kWh, remaining_capacity_kWh, max_target_discharge_power, max_target_charge_power, 0, 0, 2058, 0, TemperatureMin, TemperatureMax, 0, 0, 16, 22741, 0, 0, 13, 52064, 80, 9900};
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uint16_t i;
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// loop() - nothing done here today!
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void loop() {
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delay(10000);
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handle_modbus();
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handle_can();
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}
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void handle_modbus(){
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static unsigned long currentMillis = millis();
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if (currentMillis - previousMillisModbus >= intervalModbusTask)
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{ //every 10s
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previousMillisModbus = currentMillis;
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//Print value of holting register 40001
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Serial.println(mbPV[0]);
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//Set value of holting register 40002
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for (i = 0; i < (sizeof(p101_data) / sizeof(p101_data[0])); i++) {
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mbPV[i] = p101_data[i];
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for (i = 0; i < (sizeof(p101_data) / sizeof(p101_data[0])); i++) {
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mbPV[i] = p101_data[i];
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}
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}
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}
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void handle_can() {
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CAN_frame_t rx_frame;
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static unsigned long currentMillis = millis();
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// Receive next CAN frame from queue
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if (xQueueReceive(CAN_cfg.rx_queue, &rx_frame, 3 * portTICK_PERIOD_MS) == pdTRUE)
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{
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if (rx_frame.FIR.B.FF == CAN_frame_std)
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{
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//printf("New standard frame");
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switch (rx_frame.MsgID) {
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case 0x1DB:
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LB_Current = (rx_frame.data.u8[0] << 3) | (rx_frame.data.u8[1] & 0xe0) >> 5;
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LB_Total_Voltage = ((rx_frame.data.u8[2] << 2) | (rx_frame.data.u8[3] & 0xc0) >> 6) / 2;
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break;
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case 0x1DC:
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LB_Discharge_Power_Limit = ( ( rx_frame.data.u8[0] << 2 | rx_frame.data.u8[1] >> 6 ) / 4.0 );
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LB_MAX_POWER_FOR_CHARGER = ( ( ( (rx_frame.data.u8[2] & 0x0F) << 6 | rx_frame.data.u8[3] >> 2 ) / 10.0 ) - 10); //check if -10 is correct offset
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break;
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case 0x55B:
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LB_SOC = (rx_frame.data.u8[0] << 2 | rx_frame.data.u8[1] >> 6);
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break;
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case 0x5BC:
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LB_max_gids = ((rx_frame.data.u8[5] & 0x10) >> 4);
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if(LB_max_gids)
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{
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//Max gids active, do nothing
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//Only the 30/40/62kWh packs have this mux
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}
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else
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{ //Normal current GIDS value is transmitted
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LB_GIDS = (rx_frame.data.u8[0] << 2) | ((rx_frame.data.u8[1] & 0xC0) >> 6);
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LB_Wh = (LB_GIDS * WH_PER_GID);
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LB_kWh = ((LB_Wh) / 1000);
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}
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break;
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case 0x59E: //This message is only present on 2013+ AZE0 and upwards
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break;
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case 0x5C0:
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break;
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default:
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break;
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}
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}
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else
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{
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//printf("New extended frame");
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}
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// if (rx_frame.FIR.B.RTR == CAN_RTR)
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// {
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// printf(" RTR from 0x%08X, DLC %d\r\n", rx_frame.MsgID, rx_frame.FIR.B.DLC);
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// }
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// else
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// {
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// printf(" from 0x%08X, DLC %d, Data ", rx_frame.MsgID, rx_frame.FIR.B.DLC);
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// for (int i = 0; i < rx_frame.FIR.B.DLC; i++)
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// {
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// printf("0x%02X ", rx_frame.data.u8[i]);
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// }
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// printf("\n");
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// }
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}
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// Send 100ms CAN Message
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if (currentMillis - previousMillis100 >= interval100)
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{
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previousMillis100 = currentMillis;
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mprun100++;
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if(mprun100 > 3)
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{
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mprun100 = 0;
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}
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CAN_frame_t tx_frame;
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tx_frame.FIR.B.FF = CAN_frame_std;
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tx_frame.MsgID = 0x50B;
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tx_frame.FIR.B.DLC = 8;
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tx_frame.data.u8[0] = 0x00;
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tx_frame.data.u8[1] = 0x00;
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tx_frame.data.u8[2] = 0x06;
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tx_frame.data.u8[3] = 0xC0; //HCM_WakeUpSleepCmd = Wakeup
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tx_frame.data.u8[4] = 0x00;
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tx_frame.data.u8[5] = 0x00;
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tx_frame.data.u8[6] = 0x00;
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tx_frame.data.u8[7] = 0x00;
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ESP32Can.CANWriteFrame(&tx_frame);
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Serial.println("CAN send 50B done");
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tx_frame.MsgID = 0x50C;
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tx_frame.FIR.B.DLC = 8;
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tx_frame.data.u8[0] = 0x00;
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tx_frame.data.u8[1] = 0x00;
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tx_frame.data.u8[2] = 0x00;
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tx_frame.data.u8[3] = 0x00;
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tx_frame.data.u8[4] = 0x00;
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if(mprun100 == 0)
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{
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tx_frame.data.u8[5] = 0x00;
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tx_frame.data.u8[6] = 0x5D;
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tx_frame.data.u8[7] = 0xC8;
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}
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if(mprun100 == 1)
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{
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tx_frame.data.u8[5] = 0x01;
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tx_frame.data.u8[6] = 0x5D;
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tx_frame.data.u8[7] = 0x5F;
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}
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if(mprun100 == 2)
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{
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tx_frame.data.u8[5] = 0x02;
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tx_frame.data.u8[6] = 0x5D;
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tx_frame.data.u8[7] = 0x63;
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}
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if(mprun100 == 3)
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{
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tx_frame.data.u8[5] = 0x03;
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tx_frame.data.u8[6] = 0x5D;
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tx_frame.data.u8[7] = 0xF4;
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}
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ESP32Can.CANWriteFrame(&tx_frame);
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Serial.println("CAN send 50C done");
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}
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if (currentMillis - previousMillis10 >= interval10)
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{
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previousMillis10 = currentMillis;
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mprun10++;
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if(mprun10 > 3)
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{
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mprun10 = 0;
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}
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CAN_frame_t tx_frame;
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tx_frame.FIR.B.FF = CAN_frame_std;
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tx_frame.MsgID = 0x1F2;
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tx_frame.FIR.B.DLC = 8;
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tx_frame.data.u8[0] = 0x64;
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tx_frame.data.u8[1] = 0x64;
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tx_frame.data.u8[2] = 0x32;
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tx_frame.data.u8[3] = 0xA0;
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tx_frame.data.u8[4] = 0x00;
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tx_frame.data.u8[5] = 0x0A;
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if(mprun10 == 0)
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{
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tx_frame.data.u8[6] = 0x00;
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tx_frame.data.u8[7] = 0x8F;
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}
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if(mprun10 == 1)
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{
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tx_frame.data.u8[6] = 0x01;
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tx_frame.data.u8[7] = 0x80;
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}
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if(mprun10 == 2)
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{
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tx_frame.data.u8[6] = 0x02;
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tx_frame.data.u8[7] = 0x81;
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}
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if(mprun10 == 3)
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{
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tx_frame.data.u8[6] = 0x03;
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tx_frame.data.u8[7] = 0x82;
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}
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ESP32Can.CANWriteFrame(&tx_frame);
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Serial.println("CAN send 1F2 done");
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}
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}
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