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.
2026-08-23 03:35:29 -04:00
parent f113bf0a05
commit ca13734bf0
151 changed files with 23945 additions and 0 deletions
@@ -0,0 +1,86 @@
+/**
+ * @file dtc_manager.h
+ * @brief Diagnostic Trouble Code Manager
+ */
+
+#ifndef DTC_MANAGER_H
+#define DTC_MANAGER_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "kernel.h"
+
+/* DTC Configuration */
+#define DTC_MAX_COUNT               100
+#define DTC_MAX_SNAPSHOT_RECORDS    5
+#define DTC_MAX_EXTENDED_DATA       10
+
+/* DTC Status Bits */
+typedef struct {
+    uint8_t test_failed : 1;
+    uint8_t test_failed_this_operation_cycle : 1;
+    uint8_t pending_dtc : 1;
+    uint8_t confirmed_dtc : 1;
+    uint8_t test_not_completed_since_last_clear : 1;
+    uint8_t test_failed_since_last_clear : 1;
+    uint8_t test_not_completed_this_operation_cycle : 1;
+    uint8_t warning_indicator_requested : 1;
+} DtcStatus_t;
+
+/* DTC Format */
+typedef struct {
+    uint8_t high_byte;
+    uint8_t middle_byte;
+    uint8_t low_byte;
+} DtcCode_t;
+
+/* DTC Snapshot Record */
+typedef struct {
+    uint16_t record_number;
+    uint8_t* data;
+    uint16_t length;
+    uint32_t timestamp;
+} DtcSnapshotRecord_t;
+
+/* DTC Extended Data */
+typedef struct {
+    uint16_t record_number;
+    uint8_t* data;
+    uint16_t length;
+} DtcExtendedData_t;
+
+/* DTC Entry */
+typedef struct {
+    DtcCode_t code;
+    DtcStatus_t status;
+    uint8_t severity;
+    uint8_t functional_unit;
+    uint32_t occurrence_counter;
+    uint32_t aging_counter;
+    uint32_t first_occurrence_time;
+    uint32_t last_occurrence_time;
+    DtcSnapshotRecord_t snapshots[DTC_MAX_SNAPSHOT_RECORDS];
+    uint8_t snapshot_count;
+    DtcExtendedData_t extended_data[DTC_MAX_EXTENDED_DATA];
+    uint8_t extended_data_count;
+    bool is_active;
+} DtcEntry_t;
+
+/* DTC Manager Functions */
+KernelStatus_t dtc_manager_init(void);
+KernelStatus_t dtc_manager_deinit(void);
+KernelStatus_t dtc_manager_add_dtc(const DtcCode_t* code, uint8_t severity);
+KernelStatus_t dtc_manager_remove_dtc(const DtcCode_t* code);
+KernelStatus_t dtc_manager_set_status(const DtcCode_t* code, DtcStatus_t status);
+KernelStatus_t dtc_manager_get_status(const DtcCode_t* code, DtcStatus_t* status);
+KernelStatus_t dtc_manager_add_snapshot(const DtcCode_t* code,
+                                        const uint8_t* data, uint16_t length);
+KernelStatus_t dtc_manager_add_extended_data(const DtcCode_t* code,
+                                             const uint8_t* data, uint16_t length);
+KernelStatus_t dtc_manager_clear_all(void);
+uint16_t dtc_manager_get_count(void);
+KernelStatus_t dtc_manager_get_dtc(uint16_t index, DtcEntry_t* entry);
+KernelStatus_t dtc_manager_increment_occurrence(const DtcCode_t* code);
+void dtc_manager_main_function(void);  /* Periodic processing */
+
+#endif /* DTC_MANAGER_H */