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Add CAN mappings

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This commit is contained in:
Daniel Öster 2024-10-22 19:41:00 +03:00
parent 264d75ac98
commit 0462e3a5af
3 changed files with 318 additions and 41 deletions
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2
Software/USER_SETTINGS.h
View file

@ -29,7 +29,7 @@
//#define TESLA_MODEL_SX_BATTERY
//#define TESLA_MODEL_3Y_BATTERY
//#define VOLVO_SPA_BATTERY
#define TEST_FAKE_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)
/* Select inverter communication protocol. See Wiki for which to use with your inverter: https://github.com/dalathegreat/BYD-Battery-Emulator-For-Gen24/wiki */

3
Software/src/devboard/webserver/webserver.cpp
View file

@ -507,6 +507,9 @@ String processor(const String& var) {
#ifdef SOLAX_CAN
content += "SolaX Triple Power LFP over CAN bus";
#endif // SOLAX_CAN
#ifdef SUNGROW_CAN
content += "Sungrow SBR064 battery over CAN bus";
#endif // SUNGROW_CAN
content += "</h4>";
content += "<h4 style='color: white;'>Battery protocol: ";

298
Software/src/inverter/SUNGROW-CAN.cpp
View file

@ -4,14 +4,110 @@
#include "SUNGROW-CAN.h"
/* Do not change code below unless you are sure what you are doing */
static unsigned long previousMillis1s = 0; // will store last time a 1s CAN Message was send
static unsigned long previousMillis500ms = 0;
static bool alternate = false;
static uint8_t mux = 0;
static uint8_t version_char[14] = {0};
static uint8_t manufacturer_char[14] = {0};
static uint8_t model_char[14] = {0};
static bool inverter_sends_000 = false;
//Actual content messages
CAN_frame SUNGROW_000 = {.FD = false, // Sent by inv or BMS?
.ext_ID = false,
.DLC = 8,
.ID = 0x000,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_001 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x001,
.data = {0xF0, 0x05, 0x20, 0x03, 0x2C, 0x01, 0x2C, 0x01}};
CAN_frame SUNGROW_002 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x002,
.data = {0xA2, 0x05, 0x10, 0x27, 0x9B, 0x03, 0x00, 0x19}};
CAN_frame SUNGROW_003 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x003,
.data = {0x2A, 0x1D, 0x00, 0x00, 0xBF, 0x18, 0x00, 0x00}};
CAN_frame SUNGROW_004 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x004,
.data = {0x27, 0x05, 0x00, 0x00, 0x24, 0x05, 0x08, 0x01}};
CAN_frame SUNGROW_005 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x005,
.data = {0x02, 0x00, 0x01, 0xE6, 0x20, 0x24, 0x05, 0x00}};
CAN_frame SUNGROW_006 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x006,
.data = {0x0E, 0x01, 0x01, 0x01, 0xDE, 0x0C, 0xD5, 0x0C}};
CAN_frame SUNGROW_013 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x013,
.data = {0x01, 0x01, 0x01, 0x02, 0x01, 0x02, 0x0E, 0x01}};
CAN_frame SUNGROW_014 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x014,
.data = {0x05, 0x01, 0xAC, 0x80, 0x10, 0x02, 0x57, 0x80}};
CAN_frame SUNGROW_015 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x015,
.data = {0x93, 0x80, 0xAC, 0x80, 0x57, 0x80, 0x93, 0x80}};
CAN_frame SUNGROW_016 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x016,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_017 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x017,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_018 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x018,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_019 = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x019,
.data = {0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_01A = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x01A,
.data = {0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_01B = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x01B,
.data = {0xBE, 0x8F, 0x61, 0x01, 0xBE, 0x8F, 0x61, 0x01}};
CAN_frame SUNGROW_01C = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x01C,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_01D = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x01D,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_01E = {.FD = false,
.ext_ID = false,
.DLC = 8,
.ID = 0x01E,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
CAN_frame SUNGROW_400 = {.FD = false,
.ext_ID = false,
.DLC = 8,
@ -153,15 +249,187 @@ CAN_frame SUNGROW_71E = {.FD = false,
.ID = 0x71E,
.data = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
void update_values_can_inverter() { //This function maps all the values fetched from battery CAN to the correct CAN messages
void update_values_can_inverter() { //This function maps all the values fetched from battery CAN to the inverter CAN messages
//TODO: Update all the SUNGROW_### content here
//Maxvoltage (eg 400.0V = 4000 , 16bits long)
SUNGROW_701.data.u8[0] = (datalayer.battery.info.max_design_voltage_dV & 0x00FF);
SUNGROW_701.data.u8[1] = (datalayer.battery.info.max_design_voltage_dV >> 8);
//Minvoltage (eg 300.0V = 3000 , 16bits long)
SUNGROW_701.data.u8[2] = (datalayer.battery.info.min_design_voltage_dV & 0x00FF);
SUNGROW_701.data.u8[3] = (datalayer.battery.info.min_design_voltage_dV >> 8);
//Vcharge request (Maxvoltage-X)
SUNGROW_702.data.u8[0] = ((datalayer.battery.info.max_design_voltage_dV - 20) & 0x00FF);
SUNGROW_702.data.u8[1] = ((datalayer.battery.info.max_design_voltage_dV - 20) >> 8);
//SOH (100.00%)
SUNGROW_702.data.u8[2] = (datalayer.battery.status.soh_pptt & 0x00FF);
SUNGROW_702.data.u8[3] = (datalayer.battery.status.soh_pptt >> 8);
//SOC (100.0%)
SUNGROW_702.data.u8[4] = ((datalayer.battery.status.reported_soc / 10) & 0x00FF);
SUNGROW_702.data.u8[5] = ((datalayer.battery.status.reported_soc / 10) >> 8);
//Capacity max (Wh) TODO: Will overflow if larger than 32kWh
SUNGROW_702.data.u8[6] = (datalayer.battery.info.total_capacity_Wh & 0x00FF);
SUNGROW_702.data.u8[7] = (datalayer.battery.info.total_capacity_Wh >> 8);
// Energy total charged (Wh)
//SUNGROW_703.data.u8[0] =
//SUNGROW_703.data.u8[1] =
//SUNGROW_703.data.u8[2] =
//SUNGROW_703.data.u8[3] =
// Energy total discharged (Wh)
//SUNGROW_703.data.u8[4] =
//SUNGROW_703.data.u8[5] =
//SUNGROW_703.data.u8[6] =
//SUNGROW_703.data.u8[7] =
//Vbat (eg 400.0V = 4000 , 16bits long)
SUNGROW_704.data.u8[0] = (datalayer.battery.status.voltage_dV & 0x00FF);
SUNGROW_704.data.u8[1] = (datalayer.battery.status.voltage_dV >> 8);
//Temperature //TODO: Signed correctly? Also should be put AVG here?
SUNGROW_704.data.u8[6] = (datalayer.battery.status.temperature_max_dC & 0x00FF);
SUNGROW_704.data.u8[7] = (datalayer.battery.status.temperature_max_dC >> 8);
//Status bytes?
//SUNGROW_705.data.u8[0] =
//SUNGROW_705.data.u8[1] =
//SUNGROW_705.data.u8[2] =
//SUNGROW_705.data.u8[3] =
//Vbat, again (eg 400.0V = 4000 , 16bits long)
SUNGROW_705.data.u8[5] = (datalayer.battery.status.voltage_dV & 0x00FF);
SUNGROW_705.data.u8[6] = (datalayer.battery.status.voltage_dV >> 8);
//Temperature Max //TODO: Signed correctly?
SUNGROW_706.data.u8[0] = (datalayer.battery.status.temperature_max_dC & 0x00FF);
SUNGROW_706.data.u8[1] = (datalayer.battery.status.temperature_max_dC >> 8);
//Temperature Min //TODO: Signed correctly?
SUNGROW_706.data.u8[2] = (datalayer.battery.status.temperature_min_dC & 0x00FF);
SUNGROW_706.data.u8[3] = (datalayer.battery.status.temperature_min_dC >> 8);
//Cell voltage max
SUNGROW_706.data.u8[4] = (datalayer.battery.status.cell_max_voltage_mV & 0x00FF);
SUNGROW_706.data.u8[5] = (datalayer.battery.status.cell_max_voltage_mV >> 8);
//Cell voltage min
SUNGROW_706.data.u8[6] = (datalayer.battery.status.cell_min_voltage_mV & 0x00FF);
SUNGROW_706.data.u8[7] = (datalayer.battery.status.cell_min_voltage_mV >> 8);
//Temperature TODO: Signed correctly?
SUNGROW_713.data.u8[0] = (datalayer.battery.status.temperature_max_dC & 0x00FF);
SUNGROW_713.data.u8[1] = (datalayer.battery.status.temperature_max_dC >> 8);
//Temperature TODO: Signed correctly?
SUNGROW_713.data.u8[2] = (datalayer.battery.status.temperature_max_dC & 0x00FF);
SUNGROW_713.data.u8[3] = (datalayer.battery.status.temperature_max_dC >> 8);
//Current module mA (Is whole current OK, or should it be divided/2?) Also signed OK? Scaling?
SUNGROW_713.data.u8[4] = (datalayer.battery.status.current_dA * 10 & 0x00FF);
SUNGROW_713.data.u8[5] = (datalayer.battery.status.current_dA * 10 >> 8);
//Temperature TODO: Signed correctly?
SUNGROW_713.data.u8[6] = (datalayer.battery.status.temperature_max_dC & 0x00FF);
SUNGROW_713.data.u8[7] = (datalayer.battery.status.temperature_max_dC >> 8);
//Temperature TODO: Signed correctly?
SUNGROW_714.data.u8[0] = (datalayer.battery.status.temperature_max_dC & 0x00FF);
SUNGROW_714.data.u8[1] = (datalayer.battery.status.temperature_max_dC >> 8);
//Cell voltage
SUNGROW_714.data.u8[2] = (datalayer.battery.status.cell_max_voltage_mV & 0x00FF);
SUNGROW_714.data.u8[3] = (datalayer.battery.status.cell_max_voltage_mV >> 8);
//Current module mA (Is whole current OK, or should it be divided/2?) Also signed OK? Scaling?
SUNGROW_714.data.u8[4] = (datalayer.battery.status.current_dA * 10 & 0x00FF);
SUNGROW_714.data.u8[5] = (datalayer.battery.status.current_dA * 10 >> 8);
//Cell voltage
SUNGROW_714.data.u8[6] = (datalayer.battery.status.cell_max_voltage_mV & 0x00FF);
SUNGROW_714.data.u8[7] = (datalayer.battery.status.cell_max_voltage_mV >> 8);
//Cell voltage
SUNGROW_715.data.u8[0] = (datalayer.battery.status.cell_max_voltage_mV & 0x00FF);
SUNGROW_715.data.u8[1] = (datalayer.battery.status.cell_max_voltage_mV >> 8);
//Cell voltage
SUNGROW_715.data.u8[2] = (datalayer.battery.status.cell_max_voltage_mV & 0x00FF);
SUNGROW_715.data.u8[3] = (datalayer.battery.status.cell_max_voltage_mV >> 8);
//Cell voltage
SUNGROW_715.data.u8[4] = (datalayer.battery.status.cell_max_voltage_mV & 0x00FF);
SUNGROW_715.data.u8[5] = (datalayer.battery.status.cell_max_voltage_mV >> 8);
//Cell voltage
SUNGROW_715.data.u8[6] = (datalayer.battery.status.cell_max_voltage_mV & 0x00FF);
SUNGROW_715.data.u8[7] = (datalayer.battery.status.cell_max_voltage_mV >> 8);
//716-71A, reserved for 8 more modules
//Copy 7## content to 0## messages
for (int i = 0; i < 8; i++) {
SUNGROW_001.data.u8[i] = SUNGROW_701.data.u8[i];
SUNGROW_002.data.u8[i] = SUNGROW_702.data.u8[i];
SUNGROW_003.data.u8[i] = SUNGROW_703.data.u8[i];
SUNGROW_004.data.u8[i] = SUNGROW_704.data.u8[i];
SUNGROW_005.data.u8[i] = SUNGROW_705.data.u8[i];
SUNGROW_006.data.u8[i] = SUNGROW_706.data.u8[i];
SUNGROW_013.data.u8[i] = SUNGROW_713.data.u8[i];
SUNGROW_014.data.u8[i] = SUNGROW_714.data.u8[i];
SUNGROW_015.data.u8[i] = SUNGROW_715.data.u8[i];
SUNGROW_016.data.u8[i] = SUNGROW_716.data.u8[i];
SUNGROW_017.data.u8[i] = SUNGROW_717.data.u8[i];
SUNGROW_018.data.u8[i] = SUNGROW_718.data.u8[i];
SUNGROW_019.data.u8[i] = SUNGROW_719.data.u8[i];
SUNGROW_01A.data.u8[i] = SUNGROW_71A.data.u8[i];
SUNGROW_01B.data.u8[i] = SUNGROW_71B.data.u8[i];
SUNGROW_01C.data.u8[i] = SUNGROW_71C.data.u8[i];
SUNGROW_01D.data.u8[i] = SUNGROW_71D.data.u8[i];
SUNGROW_01E.data.u8[i] = SUNGROW_71E.data.u8[i];
}
//Copy 7## content to 5## messages
for (int i = 0; i < 8; i++) {
SUNGROW_501.data.u8[i] = SUNGROW_701.data.u8[i];
SUNGROW_502.data.u8[i] = SUNGROW_702.data.u8[i];
SUNGROW_503.data.u8[i] = SUNGROW_703.data.u8[i];
SUNGROW_504.data.u8[i] = SUNGROW_704.data.u8[i];
SUNGROW_505.data.u8[i] = SUNGROW_705.data.u8[i];
SUNGROW_506.data.u8[i] = SUNGROW_706.data.u8[i];
}
//Status bytes (TODO: Unknown)
//SUNGROW_100.data.u8[4] =
//SUNGROW_100.data.u8[5] =
//SUNGROW_100.data.u8[6] =
//SUNGROW_100.data.u8[7] =
//SUNGROW_500.data.u8[4] =
//SUNGROW_500.data.u8[5] =
//SUNGROW_500.data.u8[6] =
//SUNGROW_500.data.u8[7] =
//SUNGROW_400.data.u8[4] =
//SUNGROW_400.data.u8[5] =
//SUNGROW_400.data.u8[6] =
//SUNGROW_400.data.u8[7] =
#ifdef DEBUG_VIA_USB
if (inverter_sends_000) {
Serial.println("Inverter sends 0x000");
}
#endif
}
void receive_can_inverter(CAN_frame rx_frame) {
switch (rx_frame.ID) { //In here we need to respond to the inverter
case 0x000:
datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
inverter_sends_000 = true;
transmit_can(&SUNGROW_001, can_config.inverter);
transmit_can(&SUNGROW_002, can_config.inverter);
transmit_can(&SUNGROW_003, can_config.inverter);
transmit_can(&SUNGROW_004, can_config.inverter);
transmit_can(&SUNGROW_005, can_config.inverter);
transmit_can(&SUNGROW_006, can_config.inverter);
transmit_can(&SUNGROW_013, can_config.inverter);
transmit_can(&SUNGROW_014, can_config.inverter);
transmit_can(&SUNGROW_015, can_config.inverter);
transmit_can(&SUNGROW_016, can_config.inverter);
transmit_can(&SUNGROW_017, can_config.inverter);
transmit_can(&SUNGROW_018, can_config.inverter);
transmit_can(&SUNGROW_019, can_config.inverter);
transmit_can(&SUNGROW_01A, can_config.inverter);
transmit_can(&SUNGROW_01B, can_config.inverter);
transmit_can(&SUNGROW_01C, can_config.inverter);
transmit_can(&SUNGROW_01D, can_config.inverter);
transmit_can(&SUNGROW_01E, can_config.inverter);
break;
case 0x100: // SH10RS RUN
datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
@ -247,7 +515,7 @@ void receive_can_inverter(CAN_frame rx_frame) {
case 0x106: // 250ms - SH10RS RUN
datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
break;
case 0x151: //Only sent by SH15T
case 0x151: //Only sent by SH15T (Inverter trying to use BYD CAN)
datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
mux = rx_frame.data.u8[0];
if (mux == 0) {
@ -271,13 +539,13 @@ void receive_can_inverter(CAN_frame rx_frame) {
manufacturer_char[13] = rx_frame.data.u8[7];
}
break;
case 0x191: //Only sent by SH15T
case 0x191: //Only sent by SH15T (Inverter trying to use BYD CAN)
datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
break;
case 0x00004200: //Only sent by SH15T
case 0x00004200: //Only sent by SH15T (Inverter trying to use Pylon CAN)
datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
break;
case 0x02007F00: //Only sent by SH15T
case 0x02007F00: //Only sent by SH15T (Inverter trying to use Pylon CAN)
datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
break;
default:
@ -287,11 +555,12 @@ void receive_can_inverter(CAN_frame rx_frame) {
void send_can_inverter() {
unsigned long currentMillis = millis();
// Send 1s CAN Message
if (currentMillis - previousMillis1s >= INTERVAL_1_S) {
previousMillis1s = currentMillis;
//TODO: This will overload the buffer most likely. Split up and delay with a few ms inbetween
// Send 1s CAN Message
if (currentMillis - previousMillis500ms >= INTERVAL_500_MS) {
previousMillis500ms = currentMillis;
//Flip flop between two sets, end result is 1s periodic rate
if (alternate) {
transmit_can(&SUNGROW_512, can_config.inverter);
transmit_can(&SUNGROW_501, can_config.inverter);
transmit_can(&SUNGROW_502, can_config.inverter);
@ -301,6 +570,8 @@ void send_can_inverter() {
transmit_can(&SUNGROW_506, can_config.inverter);
transmit_can(&SUNGROW_500, can_config.inverter);
transmit_can(&SUNGROW_400, can_config.inverter);
alternate = false;
} else {
transmit_can(&SUNGROW_700, can_config.inverter);
transmit_can(&SUNGROW_701, can_config.inverter);
transmit_can(&SUNGROW_702, can_config.inverter);
@ -320,6 +591,9 @@ void send_can_inverter() {
transmit_can(&SUNGROW_71C, can_config.inverter);
transmit_can(&SUNGROW_71D, can_config.inverter);
transmit_can(&SUNGROW_71E, can_config.inverter);
alternate = true;
}
}
}
#endif