Add full automotive RTOS project
Add kernel (Cortex-M0/M3/M4, Tricore, S32K, RISC-V ports), drivers, middleware (CAN stack, diagnostics, safety), applications, board support, build/test tooling, and documentation.
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/**
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* @file dtc_manager.h
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* @brief Diagnostic Trouble Code Manager
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*/
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#ifndef DTC_MANAGER_H
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#define DTC_MANAGER_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "kernel.h"
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/* DTC Configuration */
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#define DTC_MAX_COUNT 100
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#define DTC_MAX_SNAPSHOT_RECORDS 5
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#define DTC_MAX_EXTENDED_DATA 10
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/* DTC Status Bits */
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typedef struct {
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uint8_t test_failed : 1;
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uint8_t test_failed_this_operation_cycle : 1;
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uint8_t pending_dtc : 1;
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uint8_t confirmed_dtc : 1;
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uint8_t test_not_completed_since_last_clear : 1;
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uint8_t test_failed_since_last_clear : 1;
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uint8_t test_not_completed_this_operation_cycle : 1;
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uint8_t warning_indicator_requested : 1;
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} DtcStatus_t;
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/* DTC Format */
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typedef struct {
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uint8_t high_byte;
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uint8_t middle_byte;
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uint8_t low_byte;
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} DtcCode_t;
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/* DTC Snapshot Record */
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typedef struct {
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uint16_t record_number;
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uint8_t* data;
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uint16_t length;
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uint32_t timestamp;
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} DtcSnapshotRecord_t;
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/* DTC Extended Data */
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typedef struct {
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uint16_t record_number;
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uint8_t* data;
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uint16_t length;
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} DtcExtendedData_t;
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/* DTC Entry */
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typedef struct {
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DtcCode_t code;
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DtcStatus_t status;
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uint8_t severity;
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uint8_t functional_unit;
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uint32_t occurrence_counter;
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uint32_t aging_counter;
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uint32_t first_occurrence_time;
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uint32_t last_occurrence_time;
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DtcSnapshotRecord_t snapshots[DTC_MAX_SNAPSHOT_RECORDS];
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uint8_t snapshot_count;
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DtcExtendedData_t extended_data[DTC_MAX_EXTENDED_DATA];
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uint8_t extended_data_count;
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bool is_active;
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} DtcEntry_t;
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/* DTC Manager Functions */
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KernelStatus_t dtc_manager_init(void);
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KernelStatus_t dtc_manager_deinit(void);
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KernelStatus_t dtc_manager_add_dtc(const DtcCode_t* code, uint8_t severity);
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KernelStatus_t dtc_manager_remove_dtc(const DtcCode_t* code);
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KernelStatus_t dtc_manager_set_status(const DtcCode_t* code, DtcStatus_t status);
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KernelStatus_t dtc_manager_get_status(const DtcCode_t* code, DtcStatus_t* status);
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KernelStatus_t dtc_manager_add_snapshot(const DtcCode_t* code,
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const uint8_t* data, uint16_t length);
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KernelStatus_t dtc_manager_add_extended_data(const DtcCode_t* code,
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const uint8_t* data, uint16_t length);
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KernelStatus_t dtc_manager_clear_all(void);
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uint16_t dtc_manager_get_count(void);
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KernelStatus_t dtc_manager_get_dtc(uint16_t index, DtcEntry_t* entry);
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KernelStatus_t dtc_manager_increment_occurrence(const DtcCode_t* code);
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void dtc_manager_main_function(void); /* Periodic processing */
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#endif /* DTC_MANAGER_H */
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/**
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* @file obd_ii.h
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* @brief OBD-II (On-Board Diagnostics) implementation
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*/
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#ifndef OBD_II_H
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#define OBD_II_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "kernel.h"
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#include "can_driver.h"
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/* OBD-II Configuration */
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#define OBD_II_MAX_PIDS 0xFF
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#define OBD_II_CAN_ID_REQUEST 0x7DF
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#define OBD_II_CAN_ID_RESPONSE 0x7E8
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#define OBD_II_CAN_ID_RESPONSE_2 0x7E9
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/* OBD-II Service Modes */
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typedef enum {
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OBD_II_SERVICE_SHOW_CURRENT_DATA = 0x01,
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OBD_II_SERVICE_SHOW_FREEZE_FRAME = 0x02,
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OBD_II_SERVICE_SHOW_STORED_DTCS = 0x03,
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OBD_II_SERVICE_CLEAR_DTCS = 0x04,
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OBD_II_SERVICE_TEST_RESULTS_OXYGEN = 0x05,
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OBD_II_SERVICE_TEST_RESULTS_NON_CONTINUOUS = 0x06,
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OBD_II_SERVICE_SHOW_PENDING_DTCS = 0x07,
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OBD_II_SERVICE_CONTROL_ONBOARD_SYSTEM = 0x08,
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OBD_II_SERVICE_REQUEST_VEHICLE_INFO = 0x09,
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OBD_II_SERVICE_PERMANENT_DTCS = 0x0A
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} ObdIIServiceMode_t;
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/* OBD-II PID Definitions */
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typedef enum {
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OBD_II_PID_SUPPORTED_00_20 = 0x00,
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OBD_II_PID_MONITOR_STATUS = 0x01,
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OBD_II_PID_FREEZE_DTC = 0x02,
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OBD_II_PID_FUEL_SYSTEM_STATUS = 0x03,
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OBD_II_PID_CALCULATED_ENGINE_LOAD = 0x04,
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OBD_II_PID_ENGINE_COOLANT_TEMP = 0x05,
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OBD_II_PID_SHORT_TERM_FUEL_TRIM_BANK1 = 0x06,
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OBD_II_PID_LONG_TERM_FUEL_TRIM_BANK1 = 0x07,
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OBD_II_PID_INTAKE_MANIFOLD_PRESSURE = 0x0B,
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OBD_II_PID_ENGINE_RPM = 0x0C,
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OBD_II_PID_VEHICLE_SPEED = 0x0D,
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OBD_II_PID_TIMING_ADVANCE = 0x0E,
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OBD_II_PID_INTAKE_AIR_TEMP = 0x0F,
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OBD_II_PID_MAF_AIR_FLOW_RATE = 0x10,
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OBD_II_PID_THROTTLE_POSITION = 0x11,
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OBD_II_PID_OXYGEN_SENSOR_PRESENT = 0x13,
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OBD_II_PID_OXYGEN_SENSOR_1 = 0x14,
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OBD_II_PID_OXYGEN_SENSOR_2 = 0x15,
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OBD_II_PID_RUN_TIME_SINCE_START = 0x1F,
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OBD_II_PID_SUPPORTED_21_40 = 0x20,
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OBD_II_PID_DISTANCE_WITH_MIL = 0x21,
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OBD_II_PID_FUEL_RAIL_PRESSURE = 0x22,
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OBD_II_PID_FUEL_RAIL_GAUGE_PRESSURE = 0x23,
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OBD_II_PID_OXYGEN_SENSOR_3 = 0x24,
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OBD_II_PID_OXYGEN_SENSOR_4 = 0x25,
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OBD_II_PID_SUPPORTED_41_60 = 0x40,
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OBD_II_PID_CONTROL_MODULE_VOLTAGE = 0x42,
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OBD_II_PID_ABSOLUTE_LOAD_VALUE = 0x43,
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OBD_II_PID_AMBIENT_AIR_TEMP = 0x46,
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OBD_II_PID_THROTTLE_POSITION_B = 0x47,
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OBD_II_PID_ACCELERATOR_PEDAL_POSITION_D = 0x49,
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OBD_II_PID_ACCELERATOR_PEDAL_POSITION_E = 0x4A
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} ObdIIPid_t;
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/* OBD-II PID Value */
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typedef struct {
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ObdIIPid_t pid;
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uint8_t data[4];
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uint8_t length;
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bool is_supported;
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} ObdIIPidValue_t;
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/* OBD-II Callbacks */
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typedef bool (*ObdIIPidRequestCallback_t)(ObdIIPid_t pid, uint8_t* data,
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uint8_t* length);
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typedef void (*ObdIIDtcRequestCallback_t)(uint8_t* dtc_data, uint16_t* length);
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/* OBD-II Functions */
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KernelStatus_t obd_ii_init(void);
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KernelStatus_t obd_ii_deinit(void);
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KernelStatus_t obd_ii_register_pid_callback(ObdIIPidRequestCallback_t callback);
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KernelStatus_t obd_ii_register_dtc_callback(ObdIIDtcRequestCallback_t callback);
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void obd_ii_process_request(const CanMessage_t* message);
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void obd_ii_main_function(void);
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#endif /* OBD_II_H */
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