/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* init hardware interrupt */
rt_hw_interrupt_init();
/* init board */
rt_hw_board_init();
rt_show_version();
/* init tick */
rt_system_tick_init();
/* init kernel object */
rt_system_object_init();
/* init timer system */
rt_system_timer_init();
#ifdef RT_USING_HEAP
#ifdef __CC_ARM
rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)0x204000);
#elif __ICCARM__
rt_system_heap_init(__segment_end("HEAP"), (void*)0x204000);
#else
rt_system_heap_init((void*)&__bss_end, (void*)0x204000);
#endif
#endif
/* init scheduler system */
rt_system_scheduler_init();
#ifdef RT_USING_HOOK /* if the hook is used */
/* set idle thread hook */
rt_thread_idle_sethook(rt_hw_led_flash);
#endif
#ifdef RT_USING_DEVICE
/* init hardware serial device */
rt_hw_serial_init();
#endif
/* init application */
rt_application_init();
#ifdef RT_USING_FINSH
/* init finsh */
finsh_system_init();
finsh_set_device("uart1");
#endif
/* init idle thread */
rt_thread_idle_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}
/**
* This function will initial board.
*/
void rt_hw_board_init(void)
{
/* must call first to configure gpio Alternate functions according the hardware design */
wm_gpio_config();
wm_sys_clk_config();
#ifdef RT_USING_HEAP
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
#ifdef RT_USING_CONSOLE
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
#if TLS_CONFIG_HARD_CRYPTO
tls_crypto_init();
#endif
NVIC_SystemLPConfig(NVIC_LP_SLEEPDEEP, ENABLE);
rt_thread_idle_sethook(_idle_hook_callback);
}
void rt_platform_init(void)
{
#ifdef RT_USING_DFS
/* initialize sd card */
rt_hw_sdcard_init();
#if defined(RT_USING_MTD_NAND)
rt_hw_mtd_nand_init();
#endif
#if defined(RT_USING_MTD_NOR)
sst25vfxx_mtd_init("nor", 0, RT_UINT32_MAX);
#endif
#endif /* RT_USING_DFS */
#ifdef RT_USING_RTGUI
/* start sdl thread to simulate an LCD */
rt_hw_sdl_start();
#endif /* RT_USING_RTGUI */
#ifdef _WIN32
rt_thread_idle_sethook(rt_hw_win32_low_cpu);
#endif
}
void apps_init(void)
{
// init command system.
commandSystemInit();
// init ipc objects.
ipcs_init();
// init socket_conn array.
socket_conn_init();
// init settings stored in flash.
settings_powerup_init();
// init lwip, modified by me.
_lwip_sys_init();
// init serial devices.
usart_dev_init();
// check and start all threads.
threads_init();
// init idle hook functions.
rt_thread_idle_sethook(idle_hook_function);
}
/**
* This function will init QEMU
*
*/
void rt_hw_board_init(void)
{
/* initialize 8253 clock to interrupt 1000 times/sec */
outb(TIMER_MODE, TIMER_SEL0|TIMER_RATEGEN|TIMER_16BIT);
outb(IO_TIMER1, TIMER_DIV(RT_TICK_PER_SECOND) % 256);
outb(IO_TIMER1, TIMER_DIV(RT_TICK_PER_SECOND) / 256);
/* install interrupt handler */
rt_hw_interrupt_install(INTTIMER0, rt_timer_handler, RT_NULL, "tick");
rt_hw_interrupt_umask(INTTIMER0);
#ifdef RT_USING_HOOK
rt_thread_idle_sethook(idle_hook);
#endif
}
/**
* This function will initialize beaglebone board
*/
void rt_hw_board_init(void)
{
/* initialize hardware interrupt */
rt_hw_interrupt_init();
/* initialize system heap */
rt_system_heap_init(HEAP_BEGIN, HEAP_END);
rt_components_board_init();
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
rt_thread_idle_sethook(idle_wfi);
#ifdef RT_USING_SMP
/* install IPI handle */
rt_hw_ipi_handler_install(RT_SCHEDULE_IPI, rt_scheduler_ipi_handler);
#endif
}
void cpu_usage_init()
{
/* set idle thread hook */
rt_thread_idle_sethook(cpu_usage_idle_hook);
}
void sleep_timer_init(void)
{
_rtc_timer_init();
rt_thread_idle_sethook(_sleep_entry);
}