SSID change within FREERTOS

It should work as detailed in that post. I do not think there is anything special needed for FreeRTOS.

Where are you making to call to change the SSID?

Can I suggest yo format your serial flash, reinstall the service pack and then try again.

Glenn.

Thanks for the reply,

I have formatted the flash, reinstalled the service pack (1.0.0.10.0). I then power cycle the board. I then enter debug of websock_camera.

There is a function in main.c "VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);". On my first attempt I placed the code

	_i16 configValue;// = sl_WlanSetMode(ROLE_AP);

	// Set SSID name for AP mode
	unsigned char  str[33] = "YourAPname";
	unsigned short  length = strlen((const char *)str);
	sl_WlanSet(SL_WLAN_CFG_AP_ID, WLAN_AP_OPT_SSID, length, str);

	// Set security type for AP mode
	//Security options are:
	//Open security: SL_SEC_TYPE_OPEN
	//WEP security:  SL_SEC_TYPE_WEP
	//WPA security:  SL_SEC_TYPE_WPA
	unsigned char  val = SL_SEC_TYPE_OPEN;
	sl_WlanSet(SL_WLAN_CFG_AP_ID, WLAN_AP_OPT_SECURITY_TYPE, 1, (unsigned char *)&val);

	//Set Password for for AP mode (for WEP or for WPA) example:
	//Password - for WPA: 8 - 63 characters
	//           for WEP: 5 / 13 characters (ascii)
	// unsigned char  strpw[65] = "passWORD";
	// unsigned short  len = strlen((const char *)strpw);
	// memset(strpw, 0, 65);
	// memcpy(strpw, "passWORD", len);
	// sl_WlanSet(SL_WLAN_CFG_AP_ID, WLAN_AP_OPT_PASSWORD, len, (unsigned char *)strpw);

	/* Restart the network processor */
	configValue = sl_Stop(0);
	configValue = sl_Start(NULL, NULL, NULL);

after the named function. Fault ISR is generated by the first line of the code.

I have attempted swapping the order, so that  VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY); comes after the code snippet, but still generates Fault ISR. Debugging, the fault is generated as a result of this line:

OSI_RET_OK_CHECK(sl_LockObjLock(&g_pCB->GlobalLockObj, SL_OS_WAIT_FOREVER));

which is located within simplelink/driver.c.

Hi Peter,


Please refer ConfigureMode() function in wlan_ap example code. This function take SSID name from uart and set it.

You may getting fault ISR for following reason:
1. You are not calling NWP/simplelink APIs from task/thread in OS environment. In OS environment all NWP call should be called from task/thread. Can't be called directly in main().
2. You are using network API before starting NWP. Please make sure sl_start get call very first before the any network/simplelink API


Regards,
Aashish

Hi Aashish,

I've taken a look at wlan_ap example.This is a useful example thank you.

1.) I copied the same code from wlan_ap into a task (which I have tested previously and know runs without any errors). I set the SSID to a constant rather than obtain it through UART. I still generate fault ISR.

2.) I believe this means "VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);" should come after I have attempted to set my own SSID? Nevertheless I tried both orders, calling VStart in main, in the thread before SSID set, in the thread after SSID set. All generate fault ISR.

Hi Aashish,

Confirm that this works - if you add a vTaskDelay to before sl_start. Appears there is an OS delay within simplelink task that allows other tasks to jump in, and that seems to prevent setSSID ever running.

I found this as stepping through the code allowed me to change the SSID, but running without breakpoints did not.

I power cycled and formatted the device to confirm that the code was able to change the SSID without breakpoints (once delay was included) and it can.

I have a bit of difficulty now with setting the password. I believe the following code called after setSSID() should set the AP password to "aaaaaa":

unsigned char  val = SL_SEC_TYPE_WPA;
    sl_WlanSet(SL_WLAN_CFG_AP_ID, WLAN_AP_OPT_SECURITY_TYPE, 1, (unsigned char *)&val);
    Report("set Security called...");
    ASSERT_ON_ERROR(lRetVal);

    unsigned char  strpw[65];
    unsigned short  len = 6;
    memset(strpw, 0, 65);
    memcpy(strpw, "aaaaaa", len);
    sl_WlanSet(SL_WLAN_CFG_AP_ID, WLAN_AP_OPT_PASSWORD, len, (unsigned char *)strpw);

I am unable to connect to the access point as the password is apparently incorrect? 

My bad- password for WPA must be a minimum of 8 characters.

I can now connect to my access point - cant load a web page from it, something about: err_connection_refused (chrome) and dns_server.
I'll mark answer as verified and start a new thread if I still have issues

Thank you for your help Aashish (and Glenn)