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ca13734bf0
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.
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/**
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* @file can_nm.h
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* @brief CAN Network Management (AUTOSAR-like) implementation
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*/
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#ifndef CAN_NM_H
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#define CAN_NM_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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/* CAN NM Configuration */
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#define CAN_NM_MAX_NODES 16
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#define CAN_NM_MAX_NETWORKS 4
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#define CAN_NM_MESSAGE_ID_BASE 0x400 /* Base ID for NM messages */
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#define CAN_NM_DEFAULT_TIMEOUT_MS 2000
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/* CAN NM States */
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typedef enum {
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CAN_NM_BUS_SLEEP = 0,
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CAN_NM_PREPARE_BUS_SLEEP = 1,
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CAN_NM_READY_SLEEP = 2,
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CAN_NM_NORMAL_OPERATION = 3,
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CAN_NM_REPEAT_MESSAGE = 4,
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CAN_NM_SYNCHRONIZE = 5,
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CAN_NM_OFFLINE = 6
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} CanNmState_t;
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/* CAN NM Message Types */
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typedef enum {
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CAN_NM_MSG_ALIVE = 0,
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CAN_NM_MSG_RING = 1,
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CAN_NM_MSG_LIMPHOME = 2,
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CAN_NM_MSG_SLEEP_ACK = 3,
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CAN_NM_MSG_SLEEP_CONF = 4
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} CanNmMessageType_t;
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/* CAN NM Configuration */
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typedef struct {
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uint8_t node_id;
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uint8_t network_id;
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uint32_t message_id;
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uint32_t timeout_ms;
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uint32_t repeat_message_time_ms;
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bool is_coordinator;
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uint8_t sleep_ack_timeout_ms;
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} CanNmConfig_t;
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/* CAN NM Node Information */
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typedef struct {
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uint8_t node_id;
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bool is_present;
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bool is_awake;
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uint32_t last_message_time;
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CanNmState_t state;
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} CanNmNodeInfo_t;
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/* CAN NM Callbacks */
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typedef void (*CanNmNetworkStateChangedCallback_t)(CanNmState_t new_state);
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typedef void (*CanNmNodeStateChangedCallback_t)(uint8_t node_id, bool is_awake);
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typedef void (*CanNmBusSleepRequestCallback_t)(void);
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typedef void (*CanNmWakeupIndicationCallback_t)(void);
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/* CAN NM Functions */
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KernelStatus_t can_nm_init(const CanNmConfig_t* config);
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KernelStatus_t can_nm_deinit(void);
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KernelStatus_t can_nm_start(void);
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KernelStatus_t can_nm_stop(void);
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KernelStatus_t can_nm_request_bus_sleep(void);
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KernelStatus_t can_nm_network_release(void);
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KernelStatus_t can_nm_network_request(void);
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CanNmState_t can_nm_get_state(void);
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KernelStatus_t can_nm_get_node_info(uint8_t node_id, CanNmNodeInfo_t* info);
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KernelStatus_t can_nm_register_callbacks(
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CanNmNetworkStateChangedCallback_t network_callback,
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CanNmNodeStateChangedCallback_t node_callback,
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CanNmBusSleepRequestCallback_t sleep_callback,
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CanNmWakeupIndicationCallback_t wakeup_callback);
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void can_nm_process_rx_message(const CanMessage_t* message);
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void can_nm_main_function(void); /* Periodic processing */
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bool can_nm_is_bus_awake(void);
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#endif /* CAN_NM_H */
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