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https://github.com/dalathegreat/Battery-Emulator.git
synced 2025-10-05 02:39:57 +02:00
Refactor for merge to main
This commit is contained in:
Daniel
parent
961e33033e
commit
f9ca90b20e
3 changed files with 109 additions and 69 deletions
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@ -92,7 +92,6 @@ void update_values_can_solax()
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}
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//Put the values into the CAN messages
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//BMS_Limits
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SOLAX_1872.data.u8[0] = (uint8_t) max_volt_solax_can; //Todo, scaling OK?
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SOLAX_1872.data.u8[1] = (max_volt_solax_can >> 8);
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@ -155,11 +154,6 @@ void update_values_can_solax()
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}
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void send_can_solax() {
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// Deprecated - All transmissions should be initiated in response to inverter polling.
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}
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void receive_can_solax(CAN_frame_t rx_frame)
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{
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if (rx_frame.MsgID == 0x1871) {
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@ -1,5 +1,26 @@
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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 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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/* Select inverter communication protocol. See Wiki for which to use with your inverter: https://github.com/dalathegreat/BYD-Battery-Emulator-For-Gen24/wiki */
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#define MODBUS_BYD //Enable this line to emulate a "BYD 11kWh HVM battery" over Modbus RTU
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//#define CAN_BYD //Enable this line to emulate a "BYD Battery-Box Premium HVS" over CAN Bus
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//#define SOLAX_CAN //Enable this line to emulate a "SolaX Triple Power LFP" over CAN bus
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//#define PYLON_CAN //Enable this line to emulate a "Pylontech battery" over CAN bus
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/* Other options */
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#define CONTACTOR_CONTROL //Enable this line to have pins 25,32,33 handle precharge/contactor+/contactor- closing sequence
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#define PWM_CONTACTOR_CONTROL //Enable this line to use PWM logic for contactors, which lower power consumption and heat generation
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//#define DUAL_CAN //Enable this line to activate an isolated secondary CAN Bus using add-on MCP2515 controller (Needed for FoxESS inverters)
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/* Do not change any code below this line unless you are sure what you are doing */
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/* Only change battery specific settings and limits in their respective .h files */
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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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@ -96,6 +117,7 @@ enum State {
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};
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State contactorStatus = DISCONNECTED;
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#define MAX_ALLOWED_FAULT_TICKS 500
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#define PRECHARGE_TIME_MS 160
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#define NEGATIVE_CONTACTOR_TIME_MS 1000
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#define POSITIVE_CONTACTOR_TIME_MS 2000
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@ -108,7 +130,7 @@ unsigned long prechargeStartTime = 0;
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unsigned long negativeStartTime = 0;
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unsigned long timeSpentInFaultedMode = 0;
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uint8_t batteryAllowsContactorClosing = 0;
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uint8_t inverterAllowsContactorClosing = 0;
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uint8_t inverterAllowsContactorClosing = 1;
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// Setup() - initialization happens here
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void setup()
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@ -132,6 +154,7 @@ void setup()
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Serial.println(CAN_cfg.speed);
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#ifdef DUAL_CAN
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Serial.println("Dual CAN Bus (ESP32+MCP2515) selected");
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gBuffer.initWithSize(25);
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SPI.begin(MCP2515_SCK, MCP2515_MISO, MCP2515_MOSI);
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Serial.println ("Configure ACAN2515") ;
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@ -141,19 +164,22 @@ void setup()
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#endif
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//Init contactor pins
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#ifdef CONTACTOR_CONTROL
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pinMode(POSITIVE_CONTACTOR_PIN, OUTPUT);
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digitalWrite(POSITIVE_CONTACTOR_PIN, LOW);
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pinMode(NEGATIVE_CONTACTOR_PIN, OUTPUT);
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digitalWrite(NEGATIVE_CONTACTOR_PIN, LOW);
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#ifdef PWM_CONTACTOR_CONTROL
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ledcSetup(POSITIVE_PWM_Ch, PWM_Freq, PWM_Res); // Setup PWM Channel Frequency and Resolution
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ledcSetup(NEGATIVE_PWM_Ch, PWM_Freq, PWM_Res); // Setup PWM Channel Frequency and Resolution
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ledcAttachPin(POSITIVE_CONTACTOR_PIN, POSITIVE_PWM_Ch); // Attach Positive Contactor Pin to Hardware PWM Channel
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ledcAttachPin(NEGATIVE_CONTACTOR_PIN, NEGATIVE_PWM_Ch); // Attach Positive Contactor Pin to Hardware PWM Channel
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ledcWrite(POSITIVE_PWM_Ch, 0); // Set Positive PWM to 0%
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ledcWrite(NEGATIVE_PWM_Ch, 0); // Set Negative PWM to 0%
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#endif
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pinMode(PRECHARGE_PIN, OUTPUT);
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digitalWrite(PRECHARGE_PIN, LOW);
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#endif
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//Set up Modbus RTU Server
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@ -182,11 +208,18 @@ void setup()
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// Init LED control
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pixels.begin();
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//Inform user what setup is used
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#ifdef DUAL_CAN
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Serial.println("Dual CAN Bus (ESP32+MCP2515) selected");
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//Inform user what Inverter is used
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#ifdef SOLAX_CAN
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inverterAllowsContactorClosing = 0; //The inverter needs to allow first on this protocol
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Serial.println("SOLAX CAN protocol selected");
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#endif
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#ifdef MODBUS_BYD
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Serial.println("BYD Modbus RTU protocol selected");
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#endif
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#ifdef CAN_BYD
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Serial.println("BYD CAN protocol selected");
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#endif
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//Inform user what battery is used
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#ifdef BATTERY_TYPE_LEAF
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Serial.println("Nissan LEAF battery selected");
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#endif
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@ -196,9 +229,15 @@ void setup()
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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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#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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#ifdef KIA_HYUNDAI_64_BATTERY
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Serial.println("Kia Niro / Hyundai Kona 64kWh battery selected");
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#endif
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}
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// perform main program functions
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@ -214,7 +253,9 @@ void loop()
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{
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previousMillis10ms = millis();
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handle_LED_state(); //Set the LED color according to state
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#ifdef CONTACTOR_CONTROL
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handle_contactors(); //Take care of startup precharge/contactor closing
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#endif
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}
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if (millis() - previousMillisInverter >= intervalInverterTask) //every 5s
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@ -372,14 +413,18 @@ void handle_inverter()
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#endif
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}
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#ifdef CONTACTOR_CONTROL
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void handle_contactors()
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{
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//First check if we have any active errors, incase we do, turn off the battery after 5 seconds
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if(bms_status == FAULT)
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{
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//First check if we have any active errors, incase we do, turn off the battery
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if(bms_status == FAULT){
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timeSpentInFaultedMode++;
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}
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if(timeSpentInFaultedMode > 500)
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else{
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timeSpentInFaultedMode = 0;
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}
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if(timeSpentInFaultedMode > MAX_ALLOWED_FAULT_TICKS)
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{
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contactorStatus = SHUTDOWN_REQUESTED;
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}
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@ -388,15 +433,17 @@ void handle_contactors()
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digitalWrite(PRECHARGE_PIN, LOW);
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digitalWrite(NEGATIVE_CONTACTOR_PIN, LOW);
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digitalWrite(POSITIVE_CONTACTOR_PIN, LOW);
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return;
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return; //A fault scenario latches the contactor control. It is not possible to recover without a powercycle (and investigation why fault occured)
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}
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//After that, check if we are OK to start turning on the battery
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if(contactorStatus == DISCONNECTED)
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{
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digitalWrite(PRECHARGE_PIN, LOW);
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#ifdef PWM_CONTACTOR_CONTROL
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ledcWrite(POSITIVE_PWM_Ch, 0);
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ledcWrite(NEGATIVE_PWM_Ch, 0);
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#endif
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if(batteryAllowsContactorClosing && inverterAllowsContactorClosing)
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{
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@ -404,6 +451,7 @@ void handle_contactors()
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}
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}
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//Incase the inverter requests contactors to open, set the state accordingly
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if(contactorStatus == COMPLETED)
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{
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if (!inverterAllowsContactorClosing) contactorStatus = DISCONNECTED;
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@ -422,7 +470,10 @@ void handle_contactors()
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case NEGATIVE:
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if (currentTime - prechargeStartTime >= PRECHARGE_TIME_MS) {
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digitalWrite(NEGATIVE_CONTACTOR_PIN, HIGH);
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#ifdef PWM_CONTACTOR_CONTROL
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ledcWrite(NEGATIVE_PWM_Ch, 1023);
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#endif
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negativeStartTime = currentTime;
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contactorStatus = POSITIVE;
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}
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@ -430,7 +481,10 @@ void handle_contactors()
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case POSITIVE:
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if (currentTime - negativeStartTime >= NEGATIVE_CONTACTOR_TIME_MS) {
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digitalWrite(POSITIVE_CONTACTOR_PIN, HIGH);
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#ifdef PWM_CONTACTOR_CONTROL
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ledcWrite(POSITIVE_PWM_Ch, 1023);
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#endif
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contactorStatus = PRECHARGE_OFF;
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}
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break;
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@ -438,8 +492,10 @@ void handle_contactors()
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case PRECHARGE_OFF:
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if (currentTime - negativeStartTime >= POSITIVE_CONTACTOR_TIME_MS) {
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digitalWrite(PRECHARGE_PIN, LOW);
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#ifdef PWM_CONTACTOR_CONTROL
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ledcWrite(NEGATIVE_PWM_Ch, PWM_Hold_Duty);
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ledcWrite(POSITIVE_PWM_Ch, PWM_Hold_Duty);
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#endif
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contactorStatus = COMPLETED;
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}
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break;
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@ -447,6 +503,7 @@ void handle_contactors()
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break;
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}
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}
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#endif
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#ifdef MODBUS_BYD
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void handle_static_data_modbus_byd() {
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@ -1,21 +1,6 @@
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#ifndef __CONFIG_H__
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#define __CONFIG_H__
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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 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 IMIEV_ION_CZERO_BATTERY // See IMIEV-CZERO-ION-BATTERY.h for more triplet battery settings
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//#define CHADEMO // See CHADEMO.h for more Chademo related settings
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/* Select inverter communication protocol. See Wiki for which to use with your inverter: https://github.com/dalathegreat/BYD-Battery-Emulator-For-Gen24/wiki */
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//#define MODBUS_BYD //Enable this line to emulate a "BYD 11kWh HVM battery" over Modbus RTU
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//#define CAN_BYD //Enable this line to emulate a "BYD Battery-Box Premium HVS" over CAN Bus
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#define SOLAX_CAN //Enable this line to emulate a "SolaX Triple Power LFP" over CAN bus
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//#define PYLON_CAN //Enable this line to emulate a "Pylontech battery" over CAN bus
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#define DUAL_CAN //Enable this line to activate an isolated secondary CAN Bus using MCP2515 controller (Needed for FoxESS inverts)
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// PIN
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#define PIN_5V_EN 16
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@ -23,20 +8,24 @@
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#define CAN_RX_PIN 26
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#define CAN_SE_PIN 23
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#define MCP2515_SCK 12 // SCK input of MCP2515
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#define MCP2515_MOSI 5 // SDI input of MCP2515
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#define MCP2515_MISO 34 // SDO output of MCP2515 | Pin 34 is input only, without pullup/down resistors
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#define MCP2515_CS 18 // CS input of MCP2515
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#define MCP2515_INT 35 // INT output of MCP2515 | | Pin 35 is input only, without pullup/down resistors
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#ifdef DUAL_CAN
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#define MCP2515_SCK 12 // SCK input of MCP2515
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#define MCP2515_MOSI 5 // SDI input of MCP2515
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#define MCP2515_MISO 34 // SDO output of MCP2515 | Pin 34 is input only, without pullup/down resistors
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#define MCP2515_CS 18 // CS input of MCP2515
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#define MCP2515_INT 35 // INT output of MCP2515 | | Pin 35 is input only, without pullup/down resistors
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#endif
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#define RS485_EN_PIN 17 // 17 /RE
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#define RS485_TX_PIN 22 // 21
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#define RS485_RX_PIN 21 // 22
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#define RS485_SE_PIN 19 // 22 /SHDN
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#define POSITIVE_CONTACTOR_PIN 32
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#define NEGATIVE_CONTACTOR_PIN 33
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#define PRECHARGE_PIN 25
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#ifdef CONTACTOR_CONTROL
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#define POSITIVE_CONTACTOR_PIN 32
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#define NEGATIVE_CONTACTOR_PIN 33
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#define PRECHARGE_PIN 25
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#endif
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#define SD_MISO_PIN 2
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#define SD_MOSI_PIN 15
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