RE: Initialization of the UART when the system starts up

Hakon — Tue, 14 Dec 2021 17:32:39 GMT

[quote user="duxinglang"]Hi, the ncs verson is v1.2.0.[/quote]

That's quite old. Have you tried upgrading to a more recent release, like 1.7.1?

RE: Initialization of the UART when the system starts up

duxinglang — Fri, 10 Dec 2021 05:55:53 GMT

Hi, the ncs verson is v1.2.0. My code for start up is fllow:

void system_init(void)
{
#ifdef CONFIG_FOTA_DOWNLOAD
	fota_init();
#endif

	InitSystemSettings();
	
	pmu_init();
	LCD_Init();
	
	ShowBootUpLogo();

	key_init();
#ifdef CONFIG_AUDIO_SUPPORT	
	audio_init();
#endif
	ble_init();
#ifdef CONFIG_PPG_SUPPORT	
	PPG_init();
#endif
#ifdef CONFIG_IMU_SUPPORT
	IMU_init(&imu_work_q);
#endif
	NB_init(&nb_work_q);
	GPS_init(&gps_work_q);
}

void work_init(void)
{
	k_work_q_start(&nb_work_q, nb_stack_area,
					K_THREAD_STACK_SIZEOF(nb_stack_area),
					CONFIG_APPLICATION_WORKQUEUE_PRIORITY);
#ifdef CONFIG_IMU_SUPPORT	
	k_work_q_start(&imu_work_q, imu_stack_area,
					K_THREAD_STACK_SIZEOF(imu_stack_area),
					CONFIG_APPLICATION_WORKQUEUE_PRIORITY);
#endif
	k_work_q_start(&gps_work_q, gps_stack_area,
					K_THREAD_STACK_SIZEOF(gps_stack_area),
					CONFIG_APPLICATION_WORKQUEUE_PRIORITY);	
	
	if(IS_ENABLED(CONFIG_WATCHDOG))
	{
		watchdog_init_and_start(&k_sys_work_q);
	}
}

int main(void)
{
	work_init();
	system_init();

	while(1)
	{
		KeyMsgProcess();
		TimeMsgProcess();
		NBMsgProcess();
	#ifdef CONFIG_WIFI	
		WifiProcess();
	#endif
		GPSMsgProcess();
		PMUMsgProcess();
	#ifdef CONFIG_IMU_SUPPORT	
		IMUMsgProcess();
		FallMsgProcess();
	#endif
	#ifdef CONFIG_PPG_SUPPORT	
		PPGMsgProcess();
	#endif
		LCDMsgProcess();
	#ifdef CONFIG_TOUCH_SUPPORT
		TPMsgProcess();
	#endif
		AlarmMsgProcess();
		SettingsMsgPorcess();
		SOSMsgProc();
		UartMsgProc();
		ScreenMsgProcess();
	#ifdef CONFIG_FOTA_DOWNLOAD
		FotaMsgProc();
	#endif
	#ifdef CONFIG_AUDIO_SUPPORT
		AudioMsgProcess();
	#endif
	#ifdef CONFIG_ANIMATION_SUPPORT
		AnimaMsgProcess();
	#endif
		system_init_completed();
		k_cpu_idle();
	}
}

static void modem_init(struct k_work *work)
{
	SetModemTurnOn();

	k_delayed_work_submit_to_queue(app_work_q, &nb_link_work, K_SECONDS(2));
}


static void nb_link(struct k_work *work)
{
	int err=0;
	u8_t tmpbuf[128] = {0};
	static u32_t retry_count = 0;
	static bool frist_flag = false;

	if(!frist_flag)
	{
		frist_flag = true;
		GetModemInfor();
		SetModemTurnOff();
		if(strlen(g_imsi) > 0)
		{
			err = lte_lc_init();
			LOGD("lte_lc_init err:%d", err);
		}
		else
		{
			LOGD("Get imsi fail, will not link network!");
		}
	}

	if(gps_is_working())
	{
		LOGD("gps is working, continue waiting!");

		if(retry_count <= 2)		//2´ÎÒÔÄÚÃ¿1·ÖÖÓÖØÁ¬Ò»´Î
			k_timer_start(&nb_reconnect_timer, K_SECONDS(60), NULL);
		else if(retry_count <= 4)	//3µ½4´ÎÃ¿5·ÖÖÓÖØÁ¬Ò»´Î
			k_timer_start(&nb_reconnect_timer, K_SECONDS(300), NULL);
		else if(retry_count <= 6)	//5µ½6´ÎÃ¿10·ÖÖÓÖØÁ¬Ò»´Î
			k_timer_start(&nb_reconnect_timer, K_SECONDS(600), NULL);
		else if(retry_count <= 8)	//7µ½8´ÎÃ¿1Ð¡Ê±ÖØÁ¬Ò»´Î
			k_timer_start(&nb_reconnect_timer, K_SECONDS(3600), NULL);
		else						//8´ÎÒÔÉÏÃ¿6Ð¡Ê±ÖØÁ¬Ò»´Î
			k_timer_start(&nb_reconnect_timer, K_SECONDS(6*3600), NULL);	
	}
	else
	{
		LOGD("linking");
		nb_connecting_flag = true;
	#ifdef CONFIG_DEVICE_POWER_MANAGEMENT
		uart_sleep_out();
	#endif
		//configure_low_power();

		err = lte_lc_connect();
		if(err)
		{
			LOGD("Can't connected to LTE network. err:%d", err);
			nb_connected = false;

			retry_count++;
			if(retry_count <= 2)		//2´ÎÒÔÄÚÃ¿1·ÖÖÓÖØÁ¬Ò»´Î
				k_timer_start(&nb_reconnect_timer, K_SECONDS(60), NULL);
			else if(retry_count <= 4)	//3µ½4´ÎÃ¿5·ÖÖÓÖØÁ¬Ò»´Î
				k_timer_start(&nb_reconnect_timer, K_SECONDS(300), NULL);
			else if(retry_count <= 6)	//5µ½6´ÎÃ¿10·ÖÖÓÖØÁ¬Ò»´Î
				k_timer_start(&nb_reconnect_timer, K_SECONDS(600), NULL);
			else if(retry_count <= 8)	//7µ½8´ÎÃ¿1Ð¡Ê±ÖØÁ¬Ò»´Î
				k_timer_start(&nb_reconnect_timer, K_SECONDS(3600), NULL);
			else						//8´ÎÒÔÉÏÃ¿6Ð¡Ê±ÖØÁ¬Ò»´Î
				k_timer_start(&nb_reconnect_timer, K_SECONDS(6*3600), NULL);
		}
		else
		{
			LOGD("Connected to LTE network");

			nb_connected = true;
			retry_count = 0;

			GetModemDateTime();
			modem_data_init();
		}

		GetModemStatus();

		if(!nb_connected)
			SetModemTurnOff();
		
		if(!err && !test_nb_flag)
		{
			k_delayed_work_submit_to_queue(app_work_q, &mqtt_link_work, K_SECONDS(2));
		}

		nb_connecting_flag = false;
	}
}
void NB_init(struct k_work_q *work_q)
{
	int err;

	app_work_q = work_q;

	k_delayed_work_init(&modem_init_work, modem_init);
	k_delayed_work_init(&nb_link_work, nb_link);
	k_delayed_work_init(&mqtt_link_work, mqtt_link);
#ifdef CONFIG_FOTA_DOWNLOAD
	fota_work_init(work_q);
#endif

	k_delayed_work_submit_to_queue(app_work_q, &modem_init_work, K_SECONDS(5));
}

RE: Initialization of the UART when the system starts up

Hakon — Tue, 07 Dec 2021 17:19:06 GMT

Hello,

what is the NCS version? Can you share the code?