65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-09-02 WillianChan add var_export example code
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*/
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#include <var_export.h>
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/* use VAR_EXPOR() to export 10 pieces of data into sections */
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VAR_EXPORT(module0, identi0, 0);
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VAR_EXPORT(module1, identi1, 1);
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VAR_EXPORT(module2, identi2, 2);
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VAR_EXPORT(module3, identi3, 3);
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VAR_EXPORT(module4, identi4, 4);
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VAR_EXPORT(module5, identi5, 5);
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VAR_EXPORT(module6, identi6, 6);
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VAR_EXPORT(module7, identi7, 7);
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VAR_EXPORT(module8, identi8, 8);
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VAR_EXPORT(module9, identi9, 9);
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void found_by_module(void)
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{
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ve_iterator_t iter;
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const ve_exporter_t* exporter;
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ve_module_t module;
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rt_base_t value;
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/* query all exporters with the same name as module1 */
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if (!ve_module_init(&module, "module1"))
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/* initialize the iterator */
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ve_iter_init(&module, &iter);
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else
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return;
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while (1)
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{
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/* start iterating */
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exporter = ve_iter_next(&iter);
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if (exporter == RT_NULL)
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break;
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else
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{
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/* checks whether the value exists */
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if (ve_value_exist(&module, "identi1") == RT_TRUE)
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{
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value = ve_value_get(&module, "identi1");
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rt_kprintf("[ve_example] value = %dn", value);
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return;
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}
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else
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{
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rt_kprintf("[ve_example] value not exist.\n");
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return;
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}
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}
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}
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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MSH_CMD_EXPORT(found_by_module, found by module);
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#endif /* RT_USING_FINSH */
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