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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.
36 lines
1015 B
C
36 lines
1015 B
C
/**
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* @file queue.h
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* @brief Message queue for inter-task communication
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*/
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#ifndef QUEUE_H
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#define QUEUE_H
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#include "kernel.h"
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/* Queue Control Block */
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typedef struct {
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void* buffer;
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uint32_t item_size;
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uint32_t max_items;
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uint32_t current_items;
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uint32_t head;
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uint32_t tail;
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TaskHandle_t* waiting_senders;
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TaskHandle_t* waiting_receivers;
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uint32_t waiting_sender_count;
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uint32_t waiting_receiver_count;
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} Queue_t;
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/* Queue Functions */
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KernelStatus_t queue_create(Queue_t* queue, void* buffer, uint32_t item_size,
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uint32_t max_items);
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KernelStatus_t queue_send(Queue_t* queue, const void* item, TimeOut_t timeout);
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KernelStatus_t queue_receive(Queue_t* queue, void* item, TimeOut_t timeout);
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KernelStatus_t queue_send_from_isr(Queue_t* queue, const void* item);
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KernelStatus_t queue_receive_from_isr(Queue_t* queue, void* item);
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uint32_t queue_get_count(Queue_t* queue);
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KernelStatus_t queue_delete(Queue_t* queue);
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#endif /* QUEUE_H */
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