K_MSGQ_DEFINEk_msgq_init()k_msgq_put()k_msgq_get()k_msgq_purge()k_msgq_num_used_get()k_msgq_num_free_get()
k_msgq_init(&my_msgq, my_msgq_buffer, sizeof(data_item_type), 10); 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 或者,使用K_MSGQ_DEFINE在编译时定义定初始化。和上面的代码效果相同: AI检测代码解析 K_MSGQ_DEFINE(my_msgq, sizeof(data_item_type), 10, 4); 1. 2.2 写数据到消息队列 可以...
内存池是Zephyr中用于管理和优化动态内存分配的一种机制。通过内存池,可以在运行时快速分配和释放固定大小的内存块,而无需每次调用k_malloc()和k_free()函数的系统开销。内存池非常适合在Zephyr中频繁分配和释放相同大小内存块的场景。 3.2代码示例:内存池使用 ...
z_mrsh_k_msgq_peek z_mrsh_k_msgq_purge z_mrsh_k_msgq_put z_mrsh_k_mutex_init z_mrsh_k_mutex_lock z_mrsh_k_mutex_unlock z_mrsh_k_object_access_grant z_mrsh_k_object_alloc_size z_mrsh_k_object_alloc z_mrsh_k_object_release z_mrsh_k_pipe_alloc_init z_mrsh_k_pipe_...
(&msgq, &msg, K_NO_WAIT); int received_msg; k_msgq_get(&msgq, &received_msg, K_NO_WAIT); } } void syz_json_conditional_object_operations(uint32_t json_len, uint32_t descr_len) { char json[json_len] = "{\"value\": 100}"; struct json_obj json_obj; struct my_struct { ...
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The timeout argument is passed straight to "k_msgq_put" if that's used, ignored otherwise. TBD what to do with it, maybe make it a subsystem or per-device option instead. Synchronization is done using the MSb of "evt->type" to avoid using an entire event message just for the sync ...
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(k_msgq_get(&modem->at.msgq, &c, 28034: f508 7ba4 add.w fp, r8, #328 ; 0x148 return z_impl_k_msgq_get(msgq, data, timeout); 28038: f640 42cd movw r2, #3277 ; 0xccd 2803c: 2300 movs r3, #0 2803e: f10d 0117 add.w r1, sp, #23 28042: 4658 mov r0, fp 28044: ...
kernel: msg_q: k_msgq_peek() implementation Nov 20, 2018 lib lib/cmsis_rtos_v1: Use k_is_in_isr instead of _is_in_isr Nov 15, 2018 misc misc/printk: Make the default char_out routine weak Nov 15, 2018 samples sanitycheck: remove unused platforms keyword ...