mv-bms/Core/Inc/state_machine.h
2024-05-23 19:08:46 +03:00

71 lines
2.3 KiB
C

//int errorcode[2] = {0,0}; 1 Bit per error
#include <stdint.h>
#include <stdbool.h>
// Minimum vehicle side voltage to exit precharge
#define MIN_VEHICLE_SIDE_VOLTAGE 150000 // mV
// Time to wait after reaching 95% of battery voltage before exiting precharge
// Set this to 1000 in scruti to demonstrate the voltage on the multimeter
#define PRECHARGE_95_DURATION 0 // ms
// Time to wait for discharge
#define DISCHARGE_DURATION 5000 // ms
// Time to wait after there is no more error condition before exiting TS_ERROR
#define NO_ERROR_TIME 1000 // ms
// Time to wait for charger voltage before going to TS_ERROR
#define MAX_CHARGING_CHECK_DURATION 2000 // ms
// Time to wait between closing relays
#define RELAY_CLOSE_WAIT 10 // ms
typedef enum { // valid transitions: (all could transition to error)
INACTIVE, // INACTIVE -> PRECHARGE, CHARGING, ERROR
PRECHARGE, // PRECHARGE -> INACTIVE, READY, DISCHARGE, ERROR
READY, // READY -> ACTIVE, DISCHARGE, ERROR
ACTIVE, // ACTIVE -> READY, DISCHARGE, ERROR
DISCHARGE, // DISCHARGE -> INACTIVE, PRECHARGE, ERROR
CHARGING, // CHARGING -> INACTIVE, DISCHARGE, ERROR
ERROR, // ERROR -> INACTIVE, DISCHARGE, ERROR
} State;
typedef enum {
ERRORKIND_NONE = 0x0,
ERRORKIND_BMS_TIMEOUT = 0x1,
ERRORKIND_OVERTEMPTURE = 0x2,
ERRORKIND_OVERCURRENT = 0x3,
ERRORKIND_OVERVOLTAGE = 0x4,
ERRORKIND_MISSING_CURRENT_READING = 0x5,
ERRORKIND_MISSING_VOLTAGE_READING = 0x6,
ERRORKIND_MISSING_TEMP_READING = 0x7,
ERRORKIND_PRECHARGE_FAIL = 0x8,
ERRORKIND_POWERGROUND_FAIL = 0x9
} ErrorKind;
//typedef enum {} WarningKind;
typedef struct {
State current_state;
State target_state;
uint16_t error_source; // TSErrorSource (bitmask)
uint16_t error_type; // TSErrorKind
} StateHandle;
extern StateHandle state;
void sm_init();
void sm_update();
State sm_update_inactive();
State sm_update_precharge();
State sm_update_ready();
State sm_update_active();
State sm_update_discharge();
State sm_update_charging();
State sm_update_error();
typedef enum { RELAY_POS, RELAY_PRECHARGE } Relay;
void sm_set_relay_positions(State state);
void sm_set_relay_position(Relay relay, int closed);
void sm_check_close_wait(int *is_closed, int should_close);
void sm_handle_ams_in(const uint8_t *data);
void sm_set_error(ErrorKind error_kind, bool is_errored);