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Add event for missing modbus comm

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Daniel 2024-05-14 23:12:33 +03:00
parent 5afdfcb735
commit ca573d19e3
4 changed files with 32 additions and 2 deletions
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3
Software/src/devboard/utils/events.cpp
View file

@ -153,6 +153,7 @@ void init_events(void) {
events.entries[EVENT_PRECHARGE_FAILURE].level = EVENT_LEVEL_INFO; events.entries[EVENT_PRECHARGE_FAILURE].level = EVENT_LEVEL_INFO;
events.entries[EVENT_INTERNAL_OPEN_FAULT].level = EVENT_LEVEL_ERROR; events.entries[EVENT_INTERNAL_OPEN_FAULT].level = EVENT_LEVEL_ERROR;
events.entries[EVENT_INVERTER_OPEN_CONTACTOR].level = EVENT_LEVEL_INFO; events.entries[EVENT_INVERTER_OPEN_CONTACTOR].level = EVENT_LEVEL_INFO;
events.entries[EVENT_MODBUS_INVERTER_MISSING].level = EVENT_LEVEL_INFO;
events.entries[EVENT_ERROR_OPEN_CONTACTOR].level = EVENT_LEVEL_INFO; events.entries[EVENT_ERROR_OPEN_CONTACTOR].level = EVENT_LEVEL_INFO;
events.entries[EVENT_CELL_UNDER_VOLTAGE].level = EVENT_LEVEL_ERROR; events.entries[EVENT_CELL_UNDER_VOLTAGE].level = EVENT_LEVEL_ERROR;
events.entries[EVENT_CELL_OVER_VOLTAGE].level = EVENT_LEVEL_ERROR; events.entries[EVENT_CELL_OVER_VOLTAGE].level = EVENT_LEVEL_ERROR;
@ -247,6 +248,8 @@ const char* get_event_message_string(EVENTS_ENUM_TYPE event) {
case EVENT_ERROR_OPEN_CONTACTOR: case EVENT_ERROR_OPEN_CONTACTOR:
return "Info: Too much time spent in error state. Opening contactors, not safe to continue charging. " return "Info: Too much time spent in error state. Opening contactors, not safe to continue charging. "
"Check other error code for reason!"; "Check other error code for reason!";
case EVENT_MODBUS_INVERTER_MISSING:
return "Info: Modbus inverter has not sent any data. Inspect communication wiring!";
case EVENT_CELL_UNDER_VOLTAGE: case EVENT_CELL_UNDER_VOLTAGE:
return "ERROR: CELL UNDERVOLTAGE!!! Stopping battery charging and discharging. Inspect battery!"; return "ERROR: CELL UNDERVOLTAGE!!! Stopping battery charging and discharging. Inspect battery!";
case EVENT_CELL_OVER_VOLTAGE: case EVENT_CELL_OVER_VOLTAGE:

3
Software/src/devboard/utils/events.h
View file

@ -6,7 +6,7 @@
// #define INCLUDE_EVENTS_TEST // Enable to run an event test loop, see events_test_on_target.cpp // #define INCLUDE_EVENTS_TEST // Enable to run an event test loop, see events_test_on_target.cpp
#define EE_MAGIC_HEADER_VALUE 0x0004 // 0x0000 to 0xFFFF #define EE_MAGIC_HEADER_VALUE 0x0005 // 0x0000 to 0xFFFF
#define GENERATE_ENUM(ENUM) ENUM, #define GENERATE_ENUM(ENUM) ENUM,
#define GENERATE_STRING(STRING) #STRING, #define GENERATE_STRING(STRING) #STRING,
@ -49,6 +49,7 @@
XX(EVENT_PRECHARGE_FAILURE) \ XX(EVENT_PRECHARGE_FAILURE) \
XX(EVENT_INTERNAL_OPEN_FAULT) \ XX(EVENT_INTERNAL_OPEN_FAULT) \
XX(EVENT_INVERTER_OPEN_CONTACTOR) \ XX(EVENT_INVERTER_OPEN_CONTACTOR) \
XX(EVENT_MODBUS_INVERTER_MISSING) \
XX(EVENT_ERROR_OPEN_CONTACTOR) \ XX(EVENT_ERROR_OPEN_CONTACTOR) \
XX(EVENT_CELL_UNDER_VOLTAGE) \ XX(EVENT_CELL_UNDER_VOLTAGE) \
XX(EVENT_CELL_OVER_VOLTAGE) \ XX(EVENT_CELL_OVER_VOLTAGE) \

27
Software/src/inverter/BYD-MODBUS.cpp
View file

@ -1,18 +1,23 @@
#include "../include.h" #include "../include.h"
#ifdef BYD_MODBUS #ifdef BYD_MODBUS
#include "../datalayer/datalayer.h" #include "../datalayer/datalayer.h"
#include "../devboard/utils/events.h"
#include "BYD-MODBUS.h" #include "BYD-MODBUS.h"
// For modbus register definitions, see https://gitlab.com/pelle8/inverter_resources/-/blob/main/byd_registers_modbus_rtu.md // For modbus register definitions, see https://gitlab.com/pelle8/inverter_resources/-/blob/main/byd_registers_modbus_rtu.md
static uint8_t bms_char_dis_status = STANDBY; static unsigned long previousMillis60s = 0; // will store last time a 60s event occured
static uint32_t previous_value_register_401 = 0x0F0F;
static uint32_t current_value_register_401 = 0xF0F0;
static uint32_t user_configured_max_discharge_W = 0; static uint32_t user_configured_max_discharge_W = 0;
static uint32_t user_configured_max_charge_W = 0; static uint32_t user_configured_max_charge_W = 0;
static uint32_t max_discharge_W = 0; static uint32_t max_discharge_W = 0;
static uint32_t max_charge_W = 0; static uint32_t max_charge_W = 0;
static uint8_t bms_char_dis_status = STANDBY;
void update_modbus_registers_inverter() { void update_modbus_registers_inverter() {
verify_temperature_modbus(); verify_temperature_modbus();
verify_inverter_modbus();
handle_update_data_modbusp201_byd(); handle_update_data_modbusp201_byd();
handle_update_data_modbusp301_byd(); handle_update_data_modbusp301_byd();
} }
@ -107,4 +112,24 @@ void verify_temperature_modbus() {
} }
} }
} }
void verify_inverter_modbus() {
// Every 60 seconds, the Gen24 writes to this 401 register, alternating between 00FF and FF00.
// We use this info to see if inverter is still alive, incase not, raise an event
unsigned long currentMillis = millis();
if (currentMillis - previousMillis60s >= INTERVAL_60_S) {
previousMillis60s = currentMillis;
current_value_register_401 = mbPV[401];
if (current_value_register_401 == previous_value_register_401) {
set_event(EVENT_MODBUS_INVERTER_MISSING, 0);
} else {
clear_event(EVENT_MODBUS_INVERTER_MISSING);
}
previous_value_register_401 = current_value_register_401;
}
}
#endif #endif

1
Software/src/inverter/BYD-MODBUS.h
View file

@ -11,6 +11,7 @@ extern uint16_t mbPV[MB_RTU_NUM_VALUES];
void handle_static_data_modbus_byd(); void handle_static_data_modbus_byd();
void verify_temperature_modbus(); void verify_temperature_modbus();
void verify_inverter_modbus();
void handle_update_data_modbusp201_byd(); void handle_update_data_modbusp201_byd();
void handle_update_data_modbusp301_byd(); void handle_update_data_modbusp301_byd();
#endif #endif