|
|
@@ -0,0 +1,199 @@
|
|
|
+/*
|
|
|
+ * File : init.c
|
|
|
+ * This file is part of RT-Thread RTOS
|
|
|
+ * COPYRIGHT (C) 2012 - 2015, RT-Thread Development Team
|
|
|
+ *
|
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
|
+ * (at your option) any later version.
|
|
|
+ *
|
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
+ * GNU General Public License for more details.
|
|
|
+ *
|
|
|
+ * You should have received a copy of the GNU General Public License along
|
|
|
+ * with this program; if not, write to the Free Software Foundation, Inc.,
|
|
|
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
+ *
|
|
|
+ * Change Logs:
|
|
|
+ * Date Author Notes
|
|
|
+ * 2012-09-20 Bernard Change the name to components.c
|
|
|
+ * And all components related header files.
|
|
|
+ * 2012-12-23 Bernard fix the pthread initialization issue.
|
|
|
+ * 2013-06-23 Bernard Add the init_call for components initialization.
|
|
|
+ * 2013-07-05 Bernard Remove initialization feature for MS VC++ compiler
|
|
|
+ * 2015-02-06 Bernard Remove the MS VC++ support and move to the kernel
|
|
|
+ */
|
|
|
+
|
|
|
+#include <rtthread.h>
|
|
|
+
|
|
|
+#ifdef RT_USING_COMPONENTS_INIT
|
|
|
+/*
|
|
|
+ * Components Initialization will initialize some driver and components as following
|
|
|
+ * order:
|
|
|
+ * rti_start --> 0
|
|
|
+ * BOARD_EXPORT --> 1
|
|
|
+ * rti_board_end --> 1.end
|
|
|
+ *
|
|
|
+ * DEVICE_EXPORT --> 2
|
|
|
+ * COMPONENT_EXPORT --> 3
|
|
|
+ * FS_EXPORT --> 4
|
|
|
+ * ENV_EXPORT --> 5
|
|
|
+ * APP_EXPORT --> 6
|
|
|
+ *
|
|
|
+ * rti_end --> 6.end
|
|
|
+ *
|
|
|
+ * These automatically initializaiton, the driver or component initial function must
|
|
|
+ * be defined with:
|
|
|
+ * INIT_BOARD_EXPORT(fn);
|
|
|
+ * INIT_DEVICE_EXPORT(fn);
|
|
|
+ * ...
|
|
|
+ * INIT_APP_EXPORT(fn);
|
|
|
+ * etc.
|
|
|
+ */
|
|
|
+static int rti_start(void)
|
|
|
+{
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+INIT_EXPORT(rti_start, "0");
|
|
|
+
|
|
|
+static int rti_board_end(void)
|
|
|
+{
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+INIT_EXPORT(rti_board_end, "1.end");
|
|
|
+
|
|
|
+static int rti_end(void)
|
|
|
+{
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+INIT_EXPORT(rti_end, "6.end");
|
|
|
+
|
|
|
+/**
|
|
|
+ * RT-Thread Components Initialization for board
|
|
|
+ */
|
|
|
+void rt_components_board_init(void)
|
|
|
+{
|
|
|
+#if RT_DEBUG_INIT
|
|
|
+ int result;
|
|
|
+ const struct rt_init_desc *desc;
|
|
|
+ for (desc = &__rt_init_desc_rti_start; desc < &__rt_init_desc_rti_board_end; desc ++)
|
|
|
+ {
|
|
|
+ rt_kprintf("initialize %s", desc->fn_name);
|
|
|
+ result = desc->fn();
|
|
|
+ rt_kprintf(":%d done\n", result);
|
|
|
+ }
|
|
|
+#else
|
|
|
+ const init_fn_t *fn_ptr;
|
|
|
+
|
|
|
+ for (fn_ptr = &__rt_init_rti_start; fn_ptr < &__rt_init_rti_board_end; fn_ptr++)
|
|
|
+ {
|
|
|
+ (*fn_ptr)();
|
|
|
+ }
|
|
|
+#endif
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * RT-Thread Components Initialization
|
|
|
+ */
|
|
|
+void rt_components_init(void)
|
|
|
+{
|
|
|
+#if RT_DEBUG_INIT
|
|
|
+ int result;
|
|
|
+ const struct rt_init_desc *desc;
|
|
|
+
|
|
|
+ rt_kprintf("do components intialization.\n");
|
|
|
+ for (desc = &__rt_init_desc_rti_board_end; desc < &__rt_init_desc_rti_end; desc ++)
|
|
|
+ {
|
|
|
+ rt_kprintf("initialize %s", desc->fn_name);
|
|
|
+ result = desc->fn();
|
|
|
+ rt_kprintf(":%d done\n", result);
|
|
|
+ }
|
|
|
+#else
|
|
|
+ const init_fn_t *fn_ptr;
|
|
|
+
|
|
|
+ for (fn_ptr = &__rt_init_rti_board_end; fn_ptr < &__rt_init_rti_end; fn_ptr ++)
|
|
|
+ {
|
|
|
+ (*fn_ptr)();
|
|
|
+ }
|
|
|
+#endif
|
|
|
+}
|
|
|
+
|
|
|
+#ifdef RT_USING_USER_MAIN
|
|
|
+void rt_application_init(void);
|
|
|
+void rt_hw_board_init(void);
|
|
|
+
|
|
|
+#ifndef RT_USING_HEAP
|
|
|
+/* if there is not enble heap, we should use static thread and stack. */
|
|
|
+ALIGN(8)
|
|
|
+static rt_uint8_t main_stack[2048];
|
|
|
+struct rt_thread main_thread;
|
|
|
+#endif
|
|
|
+
|
|
|
+/* the system main thread */
|
|
|
+void main_thread_entry(void *parameter)
|
|
|
+{
|
|
|
+ extern int main(void);
|
|
|
+
|
|
|
+ /* RT-Thread components initialization */
|
|
|
+ rt_components_init();
|
|
|
+
|
|
|
+ /* invoke system main function */
|
|
|
+ main();
|
|
|
+}
|
|
|
+
|
|
|
+void rt_application_init(void)
|
|
|
+{
|
|
|
+ rt_thread_t tid;
|
|
|
+
|
|
|
+#ifdef RT_USING_HEAP
|
|
|
+ tid = rt_thread_create("main", main_thread_entry, RT_NULL,
|
|
|
+ 2048, RT_THREAD_PRIORITY_MAX / 3, 20);
|
|
|
+ RT_ASSERT(tid != RT_NULL);
|
|
|
+#else
|
|
|
+ rt_err_t result;
|
|
|
+
|
|
|
+ tid = &main_thread;
|
|
|
+ result = rt_thread_init(tid, "main", main_thread_entry, RT_NULL,
|
|
|
+ 2048, RT_THREAD_PRIORITY_MAX / 3, 20);
|
|
|
+ RT_ASSERT(result != RT_EOK);
|
|
|
+#endif
|
|
|
+
|
|
|
+ rt_thread_startup(tid);
|
|
|
+}
|
|
|
+
|
|
|
+int rtthread_startup(void)
|
|
|
+{
|
|
|
+ /* board level initalization
|
|
|
+ * NOTE: please initialize heap inside board initialization.
|
|
|
+ */
|
|
|
+ rt_hw_board_init();
|
|
|
+
|
|
|
+ /* show RT-Thread version */
|
|
|
+ rt_show_version();
|
|
|
+
|
|
|
+ /* timer system initialization */
|
|
|
+ rt_system_timer_init();
|
|
|
+
|
|
|
+ /* scheduler system initialization */
|
|
|
+ rt_system_scheduler_init();
|
|
|
+
|
|
|
+ /* create init_thread */
|
|
|
+ rt_application_init();
|
|
|
+
|
|
|
+ /* timer thread initialization */
|
|
|
+ rt_system_timer_thread_init();
|
|
|
+
|
|
|
+ /* idle thread initialization */
|
|
|
+ rt_thread_idle_init();
|
|
|
+
|
|
|
+ /* start scheduler */
|
|
|
+ rt_system_scheduler_start();
|
|
|
+
|
|
|
+ /* never reach here */
|
|
|
+ return ;
|
|
|
+}
|
|
|
+#endif
|
|
|
+#endif
|
Bernard Xiong