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Merge pull request #803 from dalathegreat/feature/bmw-ix-support

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Add iX balancing requests
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Daniel Öster 2025-01-19 21:26:45 +03:00 • committed by GitHub
commit 681f57dfcc
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1 changed files with 17 additions and 9 deletions
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26
Software/src/battery/BMW-IX-BATTERY.cpp
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@ -272,6 +272,12 @@ CAN_frame BMWiX_6F4_REQUEST_BALANCING_START = {
.DLC = 6, .DLC = 6,
.ID = 0x6F4, .ID = 0x6F4,
.data = {0xF4, 0x04, 0x71, 0x01, 0xAE, 0x77}}; // Request Balancing command? .data = {0xF4, 0x04, 0x71, 0x01, 0xAE, 0x77}}; // Request Balancing command?
CAN_frame BMWiX_6F4_REQUEST_BALANCING_START2 = {
.FD = true,
.ext_ID = false,
.DLC = 6,
.ID = 0x6F4,
.data = {0xF4, 0x04, 0x31, 0x01, 0xAE, 0x77}}; // Request Balancing command?
CAN_frame BMWiX_6F4_REQUEST_PACK_VOLTAGE_LIMITS = { CAN_frame BMWiX_6F4_REQUEST_PACK_VOLTAGE_LIMITS = {
.FD = true, .FD = true,
.ext_ID = false, .ext_ID = false,
@ -330,15 +336,15 @@ int numUDSreqs = sizeof(UDS_REQUESTS100MS) / sizeof(UDS_REQUESTS100MS[0]); // N
static bool battery_info_available = false; static bool battery_info_available = false;
static uint32_t battery_serial_number = 0; static uint32_t battery_serial_number = 0;
static int32_t battery_current = 0; static int32_t battery_current = 0;
static int16_t battery_voltage = 370; static int16_t battery_voltage = 370; //Startup with valid values - needs fixing in future
static int16_t terminal30_12v_voltage = 0; static int16_t terminal30_12v_voltage = 0;
static int16_t battery_voltage_after_contactor = 0; static int16_t battery_voltage_after_contactor = 0;
static int16_t min_soc_state = 50; static int16_t min_soc_state = 5000;
static int16_t avg_soc_state = 50; static int16_t avg_soc_state = 5000;
static int16_t max_soc_state = 50; static int16_t max_soc_state = 5000;
static int16_t min_soh_state = 99; // Uses E5 45, also available in 78 73 static int16_t min_soh_state = 9900; // Uses E5 45, also available in 78 73
static int16_t avg_soh_state = 99; // Uses E5 45, also available in 78 73 static int16_t avg_soh_state = 9900; // Uses E5 45, also available in 78 73
static int16_t max_soh_state = 99; // Uses E5 45, also available in 78 73 static int16_t max_soh_state = 9900; // Uses E5 45, also available in 78 73
static uint16_t max_design_voltage = 0; static uint16_t max_design_voltage = 0;
static uint16_t min_design_voltage = 0; static uint16_t min_design_voltage = 0;
static int32_t remaining_capacity = 0; static int32_t remaining_capacity = 0;
@ -347,8 +353,8 @@ static int16_t min_battery_temperature = 0;
static int16_t avg_battery_temperature = 0; static int16_t avg_battery_temperature = 0;
static int16_t max_battery_temperature = 0; static int16_t max_battery_temperature = 0;
static int16_t main_contactor_temperature = 0; static int16_t main_contactor_temperature = 0;
static int16_t min_cell_voltage = 0; static int16_t min_cell_voltage = 3700; //Startup with valid values - needs fixing in future
static int16_t max_cell_voltage = 0; static int16_t max_cell_voltage = 3700; //Startup with valid values - needs fixing in future
static unsigned long min_cell_voltage_lastchanged = 0; static unsigned long min_cell_voltage_lastchanged = 0;
static unsigned long max_cell_voltage_lastchanged = 0; static unsigned long max_cell_voltage_lastchanged = 0;
static unsigned min_cell_voltage_lastreceived = 0; static unsigned min_cell_voltage_lastreceived = 0;
@ -763,6 +769,8 @@ void transmit_can_battery() {
// Send 10000ms CAN Message // Send 10000ms CAN Message
if (currentMillis - previousMillis10000 >= INTERVAL_10_S) { if (currentMillis - previousMillis10000 >= INTERVAL_10_S) {
previousMillis10000 = currentMillis; previousMillis10000 = currentMillis;
transmit_can_frame(&BMWiX_6F4_REQUEST_BALANCING_START2, can_config.battery);
transmit_can_frame(&BMWiX_6F4_REQUEST_BALANCING_START, can_config.battery);
} }
} }
//We can always send CAN as the iX BMS will wake up on vehicle comms //We can always send CAN as the iX BMS will wake up on vehicle comms