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Refactor Tesla handling

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This commit is contained in:
Daniel Öster 2024-09-08 22:10:24 +03:00
parent a4e56d4b04
commit a995f595cb
5 changed files with 45 additions and 21 deletions
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3
Software/USER_SETTINGS.h
View file

@ -23,7 +23,10 @@
//#define RENAULT_ZOE_GEN1_BATTERY
//#define RENAULT_ZOE_GEN2_BATTERY
//#define SANTA_FE_PHEV_BATTERY
//#define TESLA_MODEL_S_BATTERY
//#define TESLA_MODEL_3_BATTERY
//#define TESLA_MODEL_X_BATTERY
//#define TESLA_MODEL_Y_BATTERY
//#define VOLVO_SPA_BATTERY
//#define TEST_FAKE_BATTERY
//#define DOUBLE_BATTERY //Enable this line if you use two identical batteries at the same time (requires DUAL_CAN setup)

4
Software/src/battery/BATTERIES.h
View file

@ -62,8 +62,8 @@
#include "SANTA-FE-PHEV-BATTERY.h"
#endif
#ifdef TESLA_MODEL_3_BATTERY
#include "TESLA-MODEL-3-BATTERY.h"
#if defined(TESLA_MODEL_S_BATTERY) || defined(TESLA_MODEL_3_BATTERY) || defined(TESLA_MODEL_X_BATTERY) || defined(TESLA_MODEL_Y_BATTERY)
#include "TESLA-BATTERY.h"
#endif
#ifdef TEST_FAKE_BATTERY

47
Software/src/battery/TESLA-MODEL-3-BATTERY.cpp → Software/src/battery/TESLA-BATTERY.cpp
View file

@ -1,8 +1,8 @@
#include "../include.h"
#ifdef TESLA_MODEL_3_BATTERY
#ifdef TESLA_BATTERY
#include "../datalayer/datalayer.h"
#include "../devboard/utils/events.h"
#include "TESLA-MODEL-3-BATTERY.h"
#include "TESLA-BATTERY.h"
/* Do not change code below unless you are sure what you are doing */
/* Credits: Most of the code comes from Per Carlen's bms_comms_tesla_model3.py (https://gitlab.com/pelle8/batt2gen24/) */
@ -327,11 +327,14 @@ void update_values_battery() { //This function maps all the values fetched via
battery_cell_deviation_mV = (battery_cell_max_v - battery_cell_min_v);
#if defined(TESLA_MODEL_3_BATTERY) || defined(TESLA_MODEL_Y_BATTERY)
// Autodetect algoritm for chemistry on 3/Y packs.
// NCM/A batteries have 96s, LFP has 102-106s
// Drawback with this check is that it takes 3-5minutes before all cells have been counted!
if (datalayer.battery.info.number_of_cells > 101) {
datalayer.battery.info.chemistry = battery_chemistry_enum::LFP;
}
#endif // TESLA_MODEL_3_BATTERY || TESLA_MODEL_Y_BATTERY
//Once cell chemistry is determined, set maximum and minimum total pack voltage safety limits
if (datalayer.battery.info.chemistry == battery_chemistry_enum::LFP) {
@ -906,11 +909,14 @@ void update_values_battery2() { //This function maps all the values fetched via
battery2_cell_deviation_mV = (battery2_cell_max_v - battery2_cell_min_v);
#if defined(TESLA_MODEL_3_BATTERY) || defined(TESLA_MODEL_Y_BATTERY)
// Autodetect algoritm for chemistry on 3/Y packs.
// NCM/A batteries have 96s, LFP has 102-106s
// Drawback with this check is that it takes 3-5minutes before all cells have been counted!
if (datalayer.battery2.info.number_of_cells > 101) {
datalayer.battery2.info.chemistry = battery_chemistry_enum::LFP;
}
#endif // TESLA_MODEL_3_BATTERY || TESLA_MODEL_Y_BATTERY
//Once cell chemistry is determined, set maximum and minimum total pack voltage safety limits
if (datalayer.battery2.info.chemistry == battery_chemistry_enum::LFP) {
@ -1239,28 +1245,39 @@ void printDebugIfActive(uint8_t symbol, const char* message) {
void setup_battery(void) { // Performs one time setup at startup
#ifdef DEBUG_VIA_USB
Serial.println("Tesla Model 3 battery selected");
Serial.println("Tesla Model S/3/X/Y battery selected");
#endif
datalayer.system.status.battery_allows_contactor_closing = true;
#if defined(TESLA_MODEL_S_BATTERY) || defined(TESLA_MODEL_X_BATTERY) // Always use NCM/A mode on S/X packs
datalayer.battery.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_SX_NCMA;
datalayer.battery.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_SX_NCMA;
#ifdef DOUBLE_BATTERY
datalayer.battery2.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_SX_NCMA;
datalayer.battery2.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_SX_NCMA;
#endif // DOUBLE_BATTERY
#endif // TESLA_MODEL_S_BATTERY || TESLA_MODEL_X_BATTERY
#if defined(TESLA_MODEL_3_BATTERY) || defined(TESLA_MODEL_Y_BATTERY) // Model 3/Y can be either LFP or NCM/A
#ifdef LFP_CHEMISTRY
datalayer.battery.info.chemistry = battery_chemistry_enum::LFP;
datalayer.battery.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_LFP;
datalayer.battery.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_LFP;
datalayer.battery.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_3Y_LFP;
datalayer.battery.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_3Y_LFP;
#ifdef DOUBLE_BATTERY
datalayer.battery2.info.chemistry = battery_chemistry_enum::LFP;
datalayer.battery2.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_LFP;
datalayer.battery2.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_LFP;
#endif
datalayer.battery2.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_3Y_LFP;
datalayer.battery2.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_3Y_LFP;
#endif // DOUBLE_BATTERY
#else // Startup in NCM/A mode
datalayer.battery.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_NCMA;
datalayer.battery.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_NCMA;
datalayer.battery.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_3Y_NCMA;
datalayer.battery.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_3Y_NCMA;
#ifdef DOUBLE_BATTERY
datalayer.battery2.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_NCMA;
datalayer.battery2.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_NCMA;
#endif
#endif
datalayer.battery2.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_3Y_NCMA;
datalayer.battery2.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_3Y_NCMA;
#endif // DOUBLE_BATTERY
#endif // !LFP_CHEMISTRY
#endif // TESLA_MODEL_3_BATTERY || TESLA_MODEL_Y_BATTERY
}
#endif
#endif // TESLA_BATTERY

8
Software/src/battery/TESLA-MODEL-3-BATTERY.h → Software/src/battery/TESLA-BATTERY.h
View file

@ -1,11 +1,12 @@
#ifndef TESLA_MODEL_3_BATTERY_H
#define TESLA_MODEL_3_BATTERY_H
#ifndef TESLA_BATTERY_H
#define TESLA_BATTERY_H
#include "../include.h"
#define BATTERY_SELECTED
/* Modify these if needed */
//#define LFP_CHEMISTRY // Enable this line to startup in LFP mode
//#define NCM_CHEMISTRY // Enable this line to startup in NCM/A mode
#define MAXCHARGEPOWERALLOWED 15000 // 15000W we use a define since the value supplied by Tesla is always 0
#define MAXDISCHARGEPOWERALLOWED 60000 // 60000W we use a define since the value supplied by Tesla is always 0
@ -14,6 +15,9 @@
#define RAMPDOWNPOWERALLOWED 15000 // What power we ramp down from towards top balancing
#define FLOAT_MAX_POWER_W 200 // W, what power to allow for top balancing battery
#define FLOAT_START_MV 20 // mV, how many mV under overvoltage to start float charging
#define MAX_PACK_VOLTAGE_SX_NCMA 4600 // V+1, if pack voltage goes over this, charge stops
#define MIN_PACK_VOLTAGE_SX_NCMA 3100 // V+1, if pack voltage goes over this, charge stops
#define MAX_PACK_VOLTAGE_NCMA 4030 // V+1, if pack voltage goes over this, charge stops
#define MIN_PACK_VOLTAGE_NCMA 3100 // V+1, if pack voltage goes below this, discharge stops
#define MAX_PACK_VOLTAGE_LFP 3880 // V+1, if pack voltage goes over this, charge stops

4
Software/src/devboard/webserver/webserver.cpp
View file

@ -526,9 +526,9 @@ String processor(const String& var) {
#ifdef SERIAL_LINK_RECEIVER
content += "Serial link to another LilyGo board";
#endif // SERIAL_LINK_RECEIVER
#ifdef TESLA_MODEL_3_BATTERY
#if defined(TESLA_MODEL_S_BATTERY) || defined(TESLA_MODEL_3_BATTERY) || defined(TESLA_MODEL_X_BATTERY) || defined(TESLA_MODEL_Y_BATTERY)
content += "Tesla Model S/3/X/Y";
#endif // TESLA_MODEL_3_BATTERY
#endif // TESLA_MODEL_#_BATTERY
#ifdef VOLVO_SPA_BATTERY
content += "Volvo / Polestar 78kWh battery";
#endif // VOLVO_SPA_BATTERY