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https://github.com/dalathegreat/Battery-Emulator.git
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Add skeleton for i3 battery
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Daniel
parent
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commit
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4 changed files with 144 additions and 2 deletions
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@ -13,6 +13,10 @@
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#include "RENAULT-ZOE-BATTERY.h" //See this file for more Zoe battery settings
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#endif
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#ifdef BMW_I3_BATTERY
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#include "BMW-I3-BATTERY.h" //See this file for more i3 battery settings
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#endif
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#ifdef IMIEV_ION_CZERO_BATTERY
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#include "IMIEV-CZERO-ION-BATTERY.h" //See this file for more triplet battery settings
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#endif
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84
Software/BMW-I3-BATTERY.cpp
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84
Software/BMW-I3-BATTERY.cpp
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#include "BMW-I3-BATTERY.h"
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#include "ESP32CAN.h"
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#include "CAN_config.h"
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/* Do not change code below unless you are sure what you are doing */
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static unsigned long previousMillis10 = 0; // will store last time a 10ms CAN Message was send
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static unsigned long previousMillis100 = 0; // will store last time a 100ms CAN Message was send
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static const int interval10 = 10; // interval (ms) at which send CAN Messages
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static const int interval100 = 100; // interval (ms) at which send CAN Messages
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static uint8_t CANstillAlive = 12; //counter for checking if CAN is still alive
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#define LB_MAX_SOC 1000 //BMS never goes over this value. We use this info to rescale SOC% sent to Inverter
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#define LB_MIN_SOC 0 //BMS never goes below this value. We use this info to rescale SOC% sent to Inverter
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static int BMS_SOC = 0;
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void update_values_i3_battery()
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{ //This function maps all the values fetched via CAN to the correct parameters used for modbus
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bms_status = ACTIVE; //Startout in active mode
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SOC;
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battery_voltage;
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battery_current;
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capacity_Wh = BATTERY_WH_MAX;
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remaining_capacity_Wh;
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max_target_discharge_power;
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max_target_charge_power;
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stat_batt_power;
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temperature_min;
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temperature_max;
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/* Check if the BMS is still sending CAN messages. If we go 60s without messages we raise an error*/
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if(!CANstillAlive)
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{
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bms_status = FAULT;
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Serial.println("No CAN communication detected for 60s. Shutting down battery control.");
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}
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else
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{
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CANstillAlive--;
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}
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if(printValues)
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{ //values heading towards the inverter
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Serial.print("SOC%: ");
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Serial.println(BMS_SOC);
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}
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}
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void receive_can_i3_battery(CAN_frame_t rx_frame)
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{
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CANstillAlive = 12;
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switch (rx_frame.MsgID)
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{
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case 0x5D8:
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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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void send_can_i3_battery()
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{
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unsigned long currentMillis = millis();
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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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}
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//Send 10ms message
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if (currentMillis - previousMillis10 >= interval10)
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{
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previousMillis10 = currentMillis;
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}
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}
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41
Software/BMW-I3-BATTERY.h
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41
Software/BMW-I3-BATTERY.h
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#ifndef BMW_I3_BATTERY_H
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#define BMW_I3_BATTERY_H
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#include <Arduino.h>
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#include "ESP32CAN.h"
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#define BATTERY_WH_MAX 24000 //Battery size in Wh (Maximum value Fronius accepts is 60000 [60kWh] you can use larger batteries but do set value over 60000
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#define ABSOLUTE_MAX_VOLTAGE 4040 // 404.4V,if battery voltage goes over this, charging is not possible (goes into forced discharge)
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#define ABSOLUTE_MIN_VOLTAGE 3100 // 310.0V if battery voltage goes under this, discharging further is disabled
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#define MAXPERCENTAGE 800 //80.0% , Max percentage the battery will charge to (App will show 100% once this value is reached)
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#define MINPERCENTAGE 200 //20.0% , Min percentage the battery will discharge to (App will show 0% once this value is reached)
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static byte printValues = 1; //Should debug values be printed to serial output?
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// These parameters need to be mapped for the inverter
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extern uint16_t SOC;
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extern uint16_t StateOfHealth;
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extern uint16_t battery_voltage;
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extern uint16_t battery_current;
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extern uint16_t capacity_Wh;
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extern uint16_t remaining_capacity_Wh;
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extern uint16_t max_target_discharge_power;
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extern uint16_t max_target_charge_power;
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extern uint16_t bms_status;
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extern uint16_t bms_char_dis_status;
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extern uint16_t stat_batt_power;
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extern uint16_t temperature_min;
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extern uint16_t temperature_max;
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extern uint16_t CANerror;
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extern uint8_t batteryAllowsContactorClosing;
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// Definitions for BMS status
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#define STANDBY 0
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#define INACTIVE 1
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#define DARKSTART 2
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#define ACTIVE 3
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#define FAULT 4
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#define UPDATING 5
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void update_values_i3_battery();
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void receive_can_i3_battery(CAN_frame_t rx_frame);
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void send_can_i3_battery();
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#endif
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@ -1,7 +1,8 @@
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/* Select battery used */
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#define BATTERY_TYPE_LEAF // See NISSAN-LEAF-BATTERY.h for more LEAF battery settings
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//#define BATTERY_TYPE_LEAF // See NISSAN-LEAF-BATTERY.h for more LEAF battery settings
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//#define TESLA_MODEL_3_BATTERY // See TESLA-MODEL-3-BATTERY.h for more Tesla battery settings
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//#define RENAULT_ZOE_BATTERY // See RENAULT-ZOE-BATTERY.h for more Zoe battery settings
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#define BMW_I3_BATTERY // See BMW-I3-BATTERY.h for more i3 battery settings
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//#define IMIEV_ION_CZERO_BATTERY // See IMIEV-CZERO-ION-BATTERY.h for more triplet battery settings
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//#define KIA_HYUNDAI_64_BATTERY // See KIA-HYUNDAI-64-BATTERY.h for more battery settings
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//#define CHADEMO // See CHADEMO.h for more Chademo related settings
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@ -170,7 +171,10 @@ void setup()
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#endif
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#ifdef RENAULT_ZOE_BATTERY
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Serial.println("Renault Zoe / Kangoo battery selected");
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#endif
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#endif
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#ifdef BMW_I3_BATTERY
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Serial.println("BMW i3 battery selected");
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#endif
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#ifdef IMIEV_ION_CZERO_BATTERY
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Serial.println("Mitsubishi i-MiEV / Citroen C-Zero / Peugeot Ion battery selected");
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#endif
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@ -216,6 +220,9 @@ void handle_can()
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#ifdef RENAULT_ZOE_BATTERY
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receive_can_zoe_battery(rx_frame);
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#endif
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#ifdef BMW_I3_BATTERY
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receive_can_i3_battery(rx_frame);
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#endif
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#ifdef IMIEV_ION_CZERO_BATTERY
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receive_can_imiev_battery(rx_frame);
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#endif
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@ -259,6 +266,9 @@ void handle_can()
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#ifdef RENAULT_ZOE_BATTERY
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send_can_zoe_battery();
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#endif
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#ifdef BMW_I3_BATTERY
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send_can_i3_battery();
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#endif
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#ifdef IMIEV_ION_CZERO_BATTERY
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send_can_imiev_battery();
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#endif
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@ -281,6 +291,9 @@ void handle_inverter()
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#ifdef RENAULT_ZOE_BATTERY
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update_values_zoe_battery(); //Map the values to the correct registers
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#endif
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#ifdef BMW_I3_BATTERY
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update_values_i3_battery(); //Map the values to the correct registers
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#endif
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#ifdef IMIEV_ION_CZERO_BATTERY
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update_values_imiev_battery(); //Map the values to the correct registers
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#endif
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