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Merge pull request #1466 from dalathegreat/improvement/tesla-settings-webserver

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Tesla: Configurable GTW settings via Webserver
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Daniel Öster 2025-08-30 22:31:12 +03:00 • committed by GitHub
commit 1c9497e316
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7 changed files with 156 additions and 66 deletions
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8
Software/src/battery/BATTERIES.cpp
View file

@ -317,6 +317,14 @@ void setup_battery() {
}
#endif
/* User-selected Tesla settings */
bool user_selected_tesla_digital_HVIL = false;
uint16_t user_selected_tesla_GTW_country = 17477;
bool user_selected_tesla_GTW_rightHandDrive = true;
uint16_t user_selected_tesla_GTW_mapRegion = 2;
uint16_t user_selected_tesla_GTW_chassisType = 2;
uint16_t user_selected_tesla_GTW_packEnergy = 1;
/* User-selected voltages used for custom-BMS batteries (RJXZS etc.) */
#if defined(MAX_CUSTOM_PACK_VOLTAGE_DV) && defined(MIN_CUSTOM_PACK_VOLTAGE_DV) && \
defined(MAX_CUSTOM_CELL_VOLTAGE_MV) && defined(MIN_CUSTOM_CELL_VOLTAGE_MV)

7
Software/src/battery/BATTERIES.h
View file

@ -61,4 +61,11 @@ extern uint16_t user_selected_min_pack_voltage_dV;
extern uint16_t user_selected_max_cell_voltage_mV;
extern uint16_t user_selected_min_cell_voltage_mV;
extern bool user_selected_tesla_digital_HVIL;
extern uint16_t user_selected_tesla_GTW_country;
extern bool user_selected_tesla_GTW_rightHandDrive;
extern uint16_t user_selected_tesla_GTW_mapRegion;
extern uint16_t user_selected_tesla_GTW_chassisType;
extern uint16_t user_selected_tesla_GTW_packEnergy;
#endif

72
Software/src/battery/TESLA-BATTERY.cpp
View file

@ -676,39 +676,39 @@ void TeslaBattery::
clear_event(EVENT_BATTERY_FUSE);
}
#ifdef TESLA_MODEL_3Y_BATTERY
// Autodetect algoritm for chemistry on 3/Y packs.
// NCM/A batteries have 96s, LFP has 102-108s
// 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;
}
if (user_selected_tesla_GTW_chassisType > 1) { //{{0, "Model S"}, {1, "Model X"}, {2, "Model 3"}, {3, "Model Y"}};
// Autodetect algoritm for chemistry on 3/Y packs.
// NCM/A batteries have 96s, LFP has 102-108s
// 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;
}
//Once cell chemistry is determined, set maximum and minimum total pack voltage safety limits
if (datalayer.battery.info.chemistry == battery_chemistry_enum::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;
datalayer.battery.info.max_cell_voltage_mV = MAX_CELL_VOLTAGE_LFP;
datalayer.battery.info.min_cell_voltage_mV = MIN_CELL_VOLTAGE_LFP;
datalayer.battery.info.max_cell_voltage_deviation_mV = MAX_CELL_DEVIATION_LFP;
} else { // NCM/A chemistry
datalayer.battery.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_3Y_NCMA;
datalayer.battery.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_3Y_NCMA;
datalayer.battery.info.max_cell_voltage_mV = MAX_CELL_VOLTAGE_NCA_NCM;
datalayer.battery.info.min_cell_voltage_mV = MIN_CELL_VOLTAGE_NCA_NCM;
datalayer.battery.info.max_cell_voltage_deviation_mV = MAX_CELL_DEVIATION_NCA_NCM;
}
//Once cell chemistry is determined, set maximum and minimum total pack voltage safety limits
if (datalayer.battery.info.chemistry == battery_chemistry_enum::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;
datalayer.battery.info.max_cell_voltage_mV = MAX_CELL_VOLTAGE_LFP;
datalayer.battery.info.min_cell_voltage_mV = MIN_CELL_VOLTAGE_LFP;
datalayer.battery.info.max_cell_voltage_deviation_mV = MAX_CELL_DEVIATION_LFP;
} else { // NCM/A chemistry
datalayer.battery.info.max_design_voltage_dV = MAX_PACK_VOLTAGE_3Y_NCMA;
datalayer.battery.info.min_design_voltage_dV = MIN_PACK_VOLTAGE_3Y_NCMA;
datalayer.battery.info.max_cell_voltage_mV = MAX_CELL_VOLTAGE_NCA_NCM;
datalayer.battery.info.min_cell_voltage_mV = MIN_CELL_VOLTAGE_NCA_NCM;
datalayer.battery.info.max_cell_voltage_deviation_mV = MAX_CELL_DEVIATION_NCA_NCM;
}
// During forced balancing request via webserver, we allow the battery to exceed normal safety parameters
if (datalayer.battery.settings.user_requests_balancing) {
datalayer.battery.status.real_soc = 9900; //Force battery to show up as 99% when balancing
datalayer.battery.info.max_design_voltage_dV = datalayer.battery.settings.balancing_max_pack_voltage_dV;
datalayer.battery.info.max_cell_voltage_mV = datalayer.battery.settings.balancing_max_cell_voltage_mV;
datalayer.battery.info.max_cell_voltage_deviation_mV =
datalayer.battery.settings.balancing_max_deviation_cell_voltage_mV;
datalayer.battery.status.max_charge_power_W = datalayer.battery.settings.balancing_float_power_W;
// During forced balancing request via webserver, we allow the battery to exceed normal safety parameters
if (datalayer.battery.settings.user_requests_balancing) {
datalayer.battery.status.real_soc = 9900; //Force battery to show up as 99% when balancing
datalayer.battery.info.max_design_voltage_dV = datalayer.battery.settings.balancing_max_pack_voltage_dV;
datalayer.battery.info.max_cell_voltage_mV = datalayer.battery.settings.balancing_max_cell_voltage_mV;
datalayer.battery.info.max_cell_voltage_deviation_mV =
datalayer.battery.settings.balancing_max_deviation_cell_voltage_mV;
datalayer.battery.status.max_charge_power_W = datalayer.battery.settings.balancing_float_power_W;
}
}
#endif // TESLA_MODEL_3Y_BATTERY
// Check if user requests some action
if (datalayer.battery.settings.user_requests_tesla_isolation_clear) {
@ -2015,7 +2015,7 @@ int index_118 = 0;
void TeslaBattery::transmit_can(unsigned long currentMillis) {
if (operate_contactors) { //Special S/X mode
if (user_selected_tesla_digital_HVIL) { //Special S/X? mode for 2024+ batteries
if ((datalayer.system.status.inverter_allows_contactor_closing) && (datalayer.battery.status.bms_status != FAULT)) {
if (currentMillis - lastSend1CF >= 10) {
transmit_can_frame(&can_msg_1CF[index_1CF]);
@ -2628,12 +2628,12 @@ void TeslaModel3YBattery::setup(void) { // Performs one time setup at startup
//0x7FF GTW CAN frame values
//Mux1
write_signal_value(&TESLA_7FF_Mux1, 16, 16, GTW_country, false);
write_signal_value(&TESLA_7FF_Mux1, 11, 1, GTW_rightHandDrive, false);
write_signal_value(&TESLA_7FF_Mux1, 16, 16, user_selected_tesla_GTW_country, false);
write_signal_value(&TESLA_7FF_Mux1, 11, 1, user_selected_tesla_GTW_country, false);
//Mux3
write_signal_value(&TESLA_7FF_Mux3, 8, 4, GTW_mapRegion, false);
write_signal_value(&TESLA_7FF_Mux3, 18, 3, GTW_chassisType, false);
write_signal_value(&TESLA_7FF_Mux3, 32, 5, GTW_packEnergy, false);
write_signal_value(&TESLA_7FF_Mux3, 8, 4, user_selected_tesla_GTW_mapRegion, false);
write_signal_value(&TESLA_7FF_Mux3, 18, 3, user_selected_tesla_GTW_chassisType, false);
write_signal_value(&TESLA_7FF_Mux3, 32, 5, user_selected_tesla_GTW_packEnergy, false);
strncpy(datalayer.system.info.battery_protocol, Name, 63);
datalayer.system.info.battery_protocol[63] = '\0';

38
Software/src/battery/TESLA-BATTERY.h
View file

@ -11,12 +11,14 @@
#define SELECTED_BATTERY_CLASS TeslaModelSXBattery
#endif
/*NOTE! IMPORTANT INFORMATION!
Be sure to scroll down in this file and configure all "GTW_" parameters to suit your battery.
Failure to configure these will result in VCFRONT and GTW MIA errors
*/
//#define EXP_TESLA_BMS_DIGITAL_HVIL // Experimental parameter. Forces the transmission of additional CAN frames for experimental purposes, to test potential HVIL issues in 3/Y packs with newer firmware.
// 0x7FF gateway config, "Gen3" vehicles only, not applicable to Gen2 "classic" Model S and Model X
// These are user configurable from the Webserver UI
extern bool user_selected_tesla_digital_HVIL;
extern uint16_t user_selected_tesla_GTW_country;
extern bool user_selected_tesla_GTW_rightHandDrive;
extern uint16_t user_selected_tesla_GTW_mapRegion;
extern uint16_t user_selected_tesla_GTW_chassisType;
extern uint16_t user_selected_tesla_GTW_packEnergy;
class TeslaBattery : public CanBattery {
public:
@ -53,21 +55,6 @@ class TeslaBattery : public CanBattery {
// Set this to true to try to close contactors/full startup even with no inverter defined/connected
bool batteryTestOverride = false;
// 0x7FF gateway config, "Gen3" vehicles only, not applicable to Gen2 "classic" Model S and Model X
//
// ** MANUALLY SET FOR NOW **, TODO: change based on USER_SETTINGS.h or preset
//
static const uint16_t GTW_country =
18242; // "US" (USA): 21843, "CA" (Canada): 17217, "GB" (UK & N Ireland): 18242, "DK" (Denmark): 17483, "DE" (Germany): 17477, "AU" (Australia): 16725 [HVP shows errors if EU/US region mismatch for example]
// GTW_country is ISO 3166-1 Alpha-2 code, each letter converted to binary (8-bit chunks), those 8-bit chunks concatenated and then converted to decimal
static const uint8_t GTW_rightHandDrive =
1; // Left: 0, Right: 1 (not sure this matters but there for consistency in emulating the car - make sure correct for GTW_country, e.g. 0 for USA)
static const uint8_t GTW_mapRegion =
1; // "ME": 8, "NONE": 2, "CN": 3, "TW": 6, "JP": 5, "US": 0, "KR": 7, "AU": 4, "EU": 1 (not sure this matters but there for consistency)
static const uint8_t GTW_chassisType =
2; // "MODEL_3_CHASSIS": 2, "MODEL_Y_CHASSIS": 3 ("MODEL_S_CHASSIS": 0, "MODEL_X_CHASSIS": 1)
static const uint8_t GTW_packEnergy = 1; // "PACK_50_KWH": 0, "PACK_74_KWH": 1, "PACK_62_KWH": 2, "PACK_100_KWH": 3
/* Do not change anything below this line! */
static const int RAMPDOWN_SOC = 900; // 90.0 SOC% to start ramping down from max charge power towards 0 at 100.00%
static const int RAMPDOWNPOWERALLOWED = 10000; // What power we ramp down from towards top balancing
@ -926,19 +913,14 @@ class TeslaBattery : public CanBattery {
class TeslaModel3YBattery : public TeslaBattery {
public:
TeslaModel3YBattery(battery_chemistry_enum chemistry) {
datalayer.battery.info.chemistry = chemistry;
#ifdef EXP_TESLA_BMS_DIGITAL_HVIL
operate_contactors = true;
#endif
}
TeslaModel3YBattery(battery_chemistry_enum chemistry) { datalayer.battery.info.chemistry = chemistry; }
static constexpr const char* Name = "Tesla Model 3/Y";
virtual void setup(void);
};
class TeslaModelSXBattery : public TeslaBattery {
public:
TeslaModelSXBattery() { operate_contactors = true; }
TeslaModelSXBattery() {}
static constexpr const char* Name = "Tesla Model S/X";
virtual void setup(void);
};

6
Software/src/communication/nvm/comm_nvm.cpp
View file

@ -103,6 +103,12 @@ void init_stored_settings() {
user_selected_inverter_ah_capacity = settings.getUInt("INVAHCAPACITY", 0);
user_selected_inverter_battery_type = settings.getUInt("INVBTYPE", 0);
user_selected_inverter_ignore_contactors = settings.getBool("INVICNT", false);
user_selected_tesla_digital_HVIL = settings.getBool("DIGITALHVIL", false);
user_selected_tesla_GTW_country = settings.getUInt("GTWCOUNTRY", 0);
user_selected_tesla_GTW_rightHandDrive = settings.getBool("GTWRHD", false);
user_selected_tesla_GTW_mapRegion = settings.getUInt("GTWMAPREG", 0);
user_selected_tesla_GTW_chassisType = settings.getUInt("GTWCHASSIS", 0);
user_selected_tesla_GTW_packEnergy = settings.getUInt("GTWPACK", 0);
auto readIf = [](const char* settingName) {
auto batt1If = (comm_interface)settings.getUInt(settingName, (int)comm_interface::CanNative);

75
Software/src/devboard/webserver/settings_html.cpp
View file

@ -78,6 +78,33 @@ String options_for_enum(TEnum selected, Func name_for_type) {
return options;
}
template <typename TMap>
String options_from_map(int selected, const TMap& value_name_map) {
String options;
for (const auto& [value, name] : value_name_map) {
options += "<option value=\"" + String(value) + "\"";
if (selected == value) {
options += " selected";
}
options += ">";
options += name;
options += "</option>";
}
return options;
}
static const std::map<int, String> tesla_countries = {
{21843, "US (USA)"}, {17217, "CA (Canada)"}, {18242, "GB (UK & N Ireland)"},
{17483, "DK (Denmark)"}, {17477, "DE (Germany)"}, {16725, "AU (Australia)"}};
static const std::map<int, String> tesla_mapregion = {
{8, "ME (Middle East)"}, {2, "NONE"}, {3, "CN (China)"}, {6, "TW (Taiwan)"}, {5, "JP (Japan)"},
{0, "US (USA)"}, {7, "KR (Korea)"}, {4, "AU (Australia)"}, {1, "EU (Europe)"}};
static const std::map<int, String> tesla_chassis = {{0, "Model S"}, {1, "Model X"}, {2, "Model 3"}, {3, "Model Y"}};
static const std::map<int, String> tesla_pack = {{0, "50 kWh"}, {2, "62 kWh"}, {1, "74 kWh"}, {3, "100 kWh"}};
const char* name_for_button_type(STOP_BUTTON_BEHAVIOR behavior) {
switch (behavior) {
case STOP_BUTTON_BEHAVIOR::LATCHING_SWITCH:
@ -500,6 +527,30 @@ String settings_processor(const String& var, BatteryEmulatorSettingsStore& setti
return settings.getBool("INVICNT") ? "checked" : "";
}
if (var == "DIGITALHVIL") {
return settings.getBool("DIGITALHVIL") ? "checked" : "";
}
if (var == "GTWCOUNTRY") {
return options_from_map(settings.getUInt("GTWCOUNTRY", 0), tesla_countries);
}
if (var == "GTWRHD") {
return settings.getBool("GTWRHD") ? "checked" : "";
}
if (var == "GTWMAPREG") {
return options_from_map(settings.getUInt("GTWMAPREG", 0), tesla_mapregion);
}
if (var == "GTWCHASSIS") {
return options_from_map(settings.getUInt("GTWCHASSIS", 0), tesla_chassis);
}
if (var == "GTWPACK") {
return options_from_map(settings.getUInt("GTWPACK", 0), tesla_pack);
}
return String();
}
@ -686,6 +737,11 @@ const char* getCANInterfaceName(CAN_Interface interface) {
display: contents;
}
form .if-tesla { display: none; }
form[data-battery="32"] .if-tesla, form[data-battery="33"] .if-tesla {
display: contents;
}
form .if-dblbtr { display: none; }
form[data-dblbtr="true"] .if-dblbtr {
display: contents;
@ -735,6 +791,25 @@ const char* getCANInterfaceName(CAN_Interface interface) {
%BATTTYPE%
</select>
<div class="if-tesla">
<label>Digital HVIL (2024+): </label>
<input type='checkbox' name='DIGITALHVIL' value='on' style='margin-left: 0;' %DIGITALHVIL% />
<label>Right hand drive: </label>
<input type='checkbox' name='GTWRHD' value='on' style='margin-left: 0;' %GTWRHD% />
<label for='GTWCOUNTRY'>Country code: </label><select name='GTWCOUNTRY' id='GTWCOUNTRY'>
%GTWCOUNTRY%
</select>
<label for='GTWMAPREG'>Map region: </label><select name='GTWMAPREG' id='GTWMAPREG'>
%GTWMAPREG%
</select>
<label for='GTWCHASSIS'>Chassis type: </label><select name='GTWCHASSIS' id='GTWCHASSIS'>
%GTWCHASSIS%
</select>
<label for='GTWPACK'>Pack type: </label><select name='GTWPACK' id='GTWPACK'>
%GTWPACK%
</select>
</div>
<div class="if-battery">
<label for='BATTCOMM'>Battery comm I/F: </label><select name='BATTCOMM' id='BATTCOMM'>
%BATTCOMM%

16
Software/src/devboard/webserver/webserver.cpp
View file

@ -413,8 +413,8 @@ void init_webserver() {
};
const char* boolSettingNames[] = {
"DBLBTR", "CNTCTRL", "CNTCTRLDBL", "PWMCNTCTRL", "PERBMSRESET", "REMBMSRESET",
"CANFDASCAN", "WIFIAPENABLED", "MQTTENABLED", "HADISC", "MQTTTOPICS", "INVICNT",
"DBLBTR", "CNTCTRL", "CNTCTRLDBL", "PWMCNTCTRL", "PERBMSRESET", "REMBMSRESET", "CANFDASCAN",
"WIFIAPENABLED", "MQTTENABLED", "HADISC", "MQTTTOPICS", "INVICNT", "GTWRHD", "DIGITALHVIL",
};
// Handles the form POST from UI to save settings of the common image
@ -515,6 +515,18 @@ void init_webserver() {
} else if (p->name() == "INVBTYPE") {
auto type = atoi(p->value().c_str());
settings.saveUInt("INVBTYPE", (int)type);
} else if (p->name() == "GTWCOUNTRY") {
auto type = atoi(p->value().c_str());
settings.saveUInt("GTWCOUNTRY", type);
} else if (p->name() == "GTWMAPREG") {
auto type = atoi(p->value().c_str());
settings.saveUInt("GTWMAPREG", type);
} else if (p->name() == "GTWCHASSIS") {
auto type = atoi(p->value().c_str());
settings.saveUInt("GTWCHASSIS", type);
} else if (p->name() == "GTWPACK") {
auto type = atoi(p->value().c_str());
settings.saveUInt("GTWPACK", type);
}
for (auto& boolSetting : boolSettings) {