wiced_result_t uuid_create( uuid_t* uuid )
{
uint8_t temp[ 16 ];
uint8_t a;
char* iter = uuid->data;
wwd_wifi_get_random( temp, 16 );
temp[ 6 ] = 0x40 | ( temp[ 6 ] & 0xf );
temp[ 8 ] = 0x80 | ( temp[ 8 ] & 0x3f );
for ( a = 0; a < 16; ++a )
{
*iter++ = nibble_to_hexchar( temp[ a ] >> 4 );
*iter++ = nibble_to_hexchar( temp[ a ] & 0x0F );
switch ( a )
{
case 3:
case 5:
case 7:
case 9:
*iter = '-';
++iter;
break;
default:
break;
}
}
return WICED_SUCCESS;
}
static besl_result_t p2p_run_as_go( p2p_workspace_t* workspace, wps_agent_t* wps_registrar )
{
uint32_t* data;
wwd_result_t result;
besl_wps_credential_t credential;
wiced_buffer_t buffer;
uint8_t passphrase_buffer[32];
uint8_t a;
REFERENCE_DEBUG_ONLY_VARIABLE(result);
host_rtos_delay_milliseconds( 500 );
/* Limit the rates used on the P2P soft AP */
data = wwd_sdpcm_get_iovar_buffer( &buffer, 4, IOVAR_STR_BSS_RATESET );
data[0] = 1;
result = wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WICED_AP_INTERFACE );
wiced_assert("", result == WWD_SUCCESS);
/* Prepare the AP credentials */
credential.security = WICED_SECURITY_WPA2_AES_PSK;
credential.ssid.length = workspace->group_candidate.ssid.length;
memcpy( credential.ssid.value, workspace->group_candidate.ssid.value, credential.ssid.length );
credential.passphrase_length = 64;
besl_host_random_bytes(passphrase_buffer, 32);
for ( a = 0; a < 32; ++a )
{
credential.passphrase[2*a] = nibble_to_hexchar(passphrase_buffer[a] >> 4);
credential.passphrase[2*a + 1] = nibble_to_hexchar(passphrase_buffer[a] & 0x0F);
}
/* Start the AP */
wwd_wifi_start_ap( &workspace->group_candidate.ssid, WICED_SECURITY_WPA2_AES_PSK | WPS_ENABLED, credential.passphrase, credential.passphrase_length, 1 );
workspace->p2p_interface = WICED_AP_INTERFACE;
memcpy( &workspace->device_info.mac_address, &workspace->intended_mac_address, sizeof(besl_mac_t) );
wl_p2p_if_t* p2p_if = wwd_sdpcm_get_iovar_buffer( &buffer, sizeof(wl_p2p_if_t), IOVAR_STR_P2P_IFUPD );
p2p_if->interface_type = P2P_GROUP_OWNER_MODE;
memcpy( &p2p_if->mac_address, &workspace->intended_mac_address, sizeof(besl_mac_t) );
result = wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WICED_STA_INTERFACE );
wiced_assert("", result == WWD_SUCCESS);
p2p_write_probe_response_ie( workspace );
p2p_write_beacon_ie( workspace );
/* Bring up IP layer on AP interface */
wiced_ip_up( WICED_AP_INTERFACE, WICED_USE_INTERNAL_DHCP_SERVER, &p2p_ip_settings );
besl_wps_init( wps_registrar, workspace->wps_device_details, WPS_REGISTRAR_AGENT, WICED_AP_INTERFACE );
/* Init WPS */
wps_internal_init( wps_registrar, WICED_AP_INTERFACE, WPS_PBC_MODE, "00000000", &credential, 1 );
/* Run WPS state machine in P2P thread */
wiced_wps_thread_main( (uint32_t) wps_registrar );
if ( wps_registrar->wps_result == WPS_COMPLETE )
{
workspace->p2p_result = BESL_SUCCESS;
}
else
{
workspace->p2p_result = wps_registrar->wps_result;
}
return BESL_SUCCESS;
}
