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Make the protocol more like FozzieUK spec

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This commit is contained in:
Daniel Öster 2024-10-05 21:18:02 +03:00
parent 55340886af
commit 435bef5ed1
2 changed files with 38 additions and 14 deletions
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3
Software/Software.ino
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@ -529,6 +529,9 @@ void init_inverter() {
datalayer.system.status.inverter_allows_contactor_closing = false; // The inverter needs to allow first
intervalUpdateValues = 800; // This protocol also requires the values to be updated faster
#endif
#ifdef FOXESS_CAN
intervalUpdateValues = 950; // This protocol also requires the values to be updated faster
#endif
#ifdef BYD_SMA
datalayer.system.status.inverter_allows_contactor_closing = false; // The inverter needs to allow first
pinMode(INVERTER_CONTACTOR_ENABLE_PIN, INPUT);

49
Software/src/inverter/FOXESS-CAN.cpp
View file

@ -11,11 +11,13 @@ below that you can customize, incase you use a lower voltage battery with this p
#define STATUS_OPERATIONAL_PACKS \
0b11111111 //0x1875 b2 contains status for operational packs (responding) in binary so 01111111 is pack 8 not operational, 11101101 is pack 5 & 2 not operational
#define NUMBER_OF_PACKS 8 //1-8
#define BATTERY_TYPE 0x82 //0x82 is HV2600 V1, 0x83 is ECS4100 v1, 0x84 is HV2600 V2
#define FIRMWARE_VERSION \
0x20 //for the PACK_ID (b7 =10,20,30,40,50,60,70,80) then FIRMWARE_VERSION 0x1F = 0001 1111, version is v1.15, and if FIRMWARE_VERSION was 0x20 = 0010 0000 then = v2.0
#define PACK_ID 0x10
#define NUMBER_OF_PACKS 8 //1-8
#define BATTERY_TYPE_MASTER 0x52 //0x52 is HV2600 V2 BMS master
#define BATTERY_TYPE_SLAVE 0x82 //0x82 is HV2600 V1, 0x83 is ECS4100 v1, 0x84 is HV2600 V2
#define FIRMWARE_VERSION_MASTER 0xFF
#define FIRMWARE_VERSION_SLAVE 0x20
//for the PACK_ID (b7 =10,20,30,40,50,60,70,80) then FIRMWARE_VERSION 0x1F = 0001 1111, version is v1.15, and if FIRMWARE_VERSION was 0x20 = 0010 0000 then = v2.0
#define MASTER 0
#define MAX_AC_VOLTAGE 2567 //256.7VAC max
#define TOTAL_LIFETIME_WH_ACCUMULATED 0 //We dont have this value in the emulator
@ -27,7 +29,8 @@ static uint16_t voltage_per_pack = 0;
static int16_t current_per_pack = 0;
static uint8_t temperature_max_per_pack = 0;
static uint8_t temperature_min_per_pack = 0;
static uint8_t inverterStillAlive = CAN_STILL_ALIVE;
static uint8_t current_pack_info = 0;
static uint8_t inverterStillAlive = 60; // Inverter can be missing for 1minute on startup
static bool send_cellvoltages = false;
static unsigned long previousMillisCellvoltage = 0; // Store the last time a cellvoltage CAN messages were sent
@ -79,17 +82,17 @@ CAN_frame FOXESS_1881 = {.FD = false,
.ext_ID = true,
.DLC = 8,
.ID = 0x1881,
.data = {0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}; // E.g.: 0 6 S B M S F A
.data = {0x10, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}};
CAN_frame FOXESS_1882 = {.FD = false,
.ext_ID = true,
.DLC = 8,
.ID = 0x1882,
.data = {0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}; // E.g.: 0 2 3 A B 0 5 2
.data = {0x10, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}};
CAN_frame FOXESS_1883 = {.FD = false,
.ext_ID = true,
.DLC = 8,
.ID = 0x1883,
.data = {0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}; // E.g.: 0 2 3 A B 0 5 2
.data = {0x10, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}};
CAN_frame FOXESS_0C05 = {.FD = false,
.ext_ID = true,
@ -476,14 +479,26 @@ void update_values_can_inverter() { //This function maps all the CAN values fet
FOXESS_1876.data.u8[7] = (datalayer.battery.status.cell_min_voltage_mV >> 8);
//BMS_ErrorsBrand
FOXESS_1877.data.u8[0] = (uint8_t)0; //0x1877 b0 appears to be an error code, 0x02 when pack is in error.
//0x1877 b0 appears to be an error code, 0x02 when pack is in error.
if (datalayer.battery.status.bms_status == FAULT) {
FOXESS_1877.data.u8[0] = (uint8_t)0x02;
} else {
FOXESS_1877.data.u8[0] = (uint8_t)0;
}
FOXESS_1877.data.u8[1] = (uint8_t)0; //Unused
FOXESS_1877.data.u8[2] = (uint8_t)0; //Unused
FOXESS_1877.data.u8[3] = (uint8_t)0; //Unused
FOXESS_1877.data.u8[4] = (uint8_t)BATTERY_TYPE;
FOXESS_1877.data.u8[5] = (uint8_t)0; //Unused
FOXESS_1877.data.u8[6] = (uint8_t)FIRMWARE_VERSION;
FOXESS_1877.data.u8[7] = (uint8_t)PACK_ID;
if (current_pack_info == MASTER) {
FOXESS_1877.data.u8[4] = (uint8_t)BATTERY_TYPE_MASTER;
FOXESS_1877.data.u8[5] = (uint8_t)0x22; //Unused?
FOXESS_1877.data.u8[6] = (uint8_t)FIRMWARE_VERSION_MASTER;
FOXESS_1877.data.u8[7] = (uint8_t)0x01;
} else { // 1-8
FOXESS_1877.data.u8[4] = (uint8_t)BATTERY_TYPE_SLAVE;
FOXESS_1877.data.u8[6] = (uint8_t)FIRMWARE_VERSION_SLAVE;
FOXESS_1877.data.u8[7] = (uint8_t)(current_pack_info << 4);
}
//BMS_PackStats
FOXESS_1878.data.u8[0] = (uint8_t)(MAX_AC_VOLTAGE);
@ -504,6 +519,11 @@ void update_values_can_inverter() { //This function maps all the CAN values fet
FOXESS_1879.data.u8[1] = 0x2B; //Discharging
}
current_pack_info = (current_pack_info + 1);
if (current_pack_info > NUMBER_OF_PACKS) {
current_pack_info = 0;
}
if (NUMBER_OF_PACKS > 0) { //div0 safeguard
//We calculate how much each emulated pack should show
voltage_per_pack = (datalayer.battery.status.voltage_dV / NUMBER_OF_PACKS);
@ -762,10 +782,11 @@ void receive_can_inverter(CAN_frame rx_frame) {
#ifdef DEBUG_VIA_USB
Serial.println("Inverter wants to know serial numbers, we reply");
#endif
for (int i = 0; i < (NUMBER_OF_PACKS + 1); i++) {
for (uint8_t i = 0; i < (NUMBER_OF_PACKS + 1); i++) {
FOXESS_1881.data.u8[0] = (uint8_t)i;
FOXESS_1882.data.u8[0] = (uint8_t)i;
FOXESS_1883.data.u8[0] = (uint8_t)i;
//TODO, should we add something to serial number field?
transmit_can(&FOXESS_1881, can_config.inverter);
transmit_can(&FOXESS_1882, can_config.inverter);
transmit_can(&FOXESS_1883, can_config.inverter);