/**
* @brief This function cleans module
*
* @return n/a
*/
static void
wlan_cleanup_module(void)
{
wlan_private *priv = wlanpriv;
wlan_adapter *Adapter = NULL;
ENTER();
if (OS_ACQ_SEMAPHORE_BLOCK(&AddRemoveCardSem))
goto exit_sem_err;
if (!priv || !priv->adapter)
goto exit;
Adapter = priv->adapter;
/* Exit deep sleep */
wlan_exit_deep_sleep_timeout(priv);
if (Adapter->MediaConnectStatus == WlanMediaStateConnected)
wlan_disconnect(priv);
wlan_prepare_cmd(priv, HostCmd_CMD_FUNC_SHUTDOWN,
0, HostCmd_OPTION_WAITFORRSP | HostCmd_OPTION_TIMEOUT,
0, NULL);
/* Disable interrupts on the card */
sbi_disable_host_int(priv);
exit:
OS_REL_SEMAPHORE(&AddRemoveCardSem);
exit_sem_err:
sbi_unregister();
LEAVE();
}
//*****************************************************************************
// Crasons First FUnction
//! DefaultWifiConnection
//!
//! \param none
//!
//! \return none
//!
//! \brief Connect to an Access Point using the default values "demo_config.h"
//
//*****************************************************************************
int DefaultWifiConnection(void)
{
unsetCC3000MachineState(CC3000_ASSOC);
// Disable Profiles and Fast Connect
wlan_ioctl_set_connection_policy(0, 0, 0);
wlan_disconnect();
__delay_cycles(10000);
wlan_connect(DEFAULT_AP_SECURITY, DEFAULT_OUT_OF_BOX_SSID, strlen(DEFAULT_OUT_OF_BOX_SSID), NULL, DFAULT_AP_SECURITY_KEY, strlen(DFAULT_AP_SECURITY_KEY));
return 0;
}
/**
* @brief Disconnects from the AP
*
* @return True if disconnected successfully. False otherwise.
*/
bool SFE_CC3000::disconnect()
{
/* If CC3000 is not initialized, return false. */
if (!getInitStatus()) {
return false;
}
/* Attempt to disconnect from the network */
if (wlan_disconnect() == CC3000_SUCCESS) {
return true;
} else {
return false;
}
}
/*------------------------------------------------------------------------
Spider_Disconnect
Dissconnect SpiderL3 from a exist AP.
return 0, Connect success.
return -1, Hardware uninitialized.
-----------------------------------------------------------------------*/
int Spider_Disconnect(void){
long ret;
if(HW_Initialed != 1) return -1;
ret = wlan_disconnect();
// Check connection failed.
if(ret != 0){
return -2;
}
return 0;
}
int hw_net_disconnect (void)
{
CC3000_START;
int disconnect = wlan_disconnect();
memset(hw_wifi_ip, 0, sizeof hw_wifi_ip);
memset(hw_wifi_ip, 0, sizeof hw_cc_ver);
// reset connection
ulCC3000Connected = 0;
ulCC3000DHCP = 0;
CC3000_END;
return disconnect;
}
/***************************************************
*
* FUNCTION : Into EasyLink mode
*
****************************************************/
void IntoEasyLink()
{
int ledflag=0;
#if (GAGENT_FEATURE_WXCHIP_EASYLINK == 1)
wlan_disconnect();
OpenEasylink2(60);
while( g_Xpg_GlobalVar.AirLinkFlag==0)
{
msleep(100);
DRV_Led_Red(ledflag);
DRV_Led_Green(1);
ledflag=!ledflag;
}
#endif
return;
}
static clarityError clarityMgmtAttemptPowerDown(void)
{
clarityMgmtMtxLock();
if (mgmtData.active == true)
{
if (mgmtData.activeProcesses == 0)
{
clarityCC3000ApiLock();
wlan_disconnect();
wlan_stop();
clarityCC3000ApiUnlock();
mgmtData.active = false;
/* TODO what can we do about asyncdata shutdown ok??? */
}
}
clarityMgmtMtxUnlock();
return CLARITY_SUCCESS;
}
//*****************************************************************************
//
//! ConnectUsingSSID
//!
//! \param ssidName is a string of the AP's SSID
//!
//! \return none
//!
//! \brief Connect to an Access Point using the specified SSID
//
//*****************************************************************************
int ConnectUsingSSID(char * ssidName)
{
unsetCC3000MachineState(CC3000_ASSOC);
// Disable Profiles and Fast Connect
wlan_ioctl_set_connection_policy(0, 0, 0);
wlan_disconnect();
__delay_cycles(10000);
// This triggers the CC3000 to connect to specific AP with certain parameters
//sends a request to connect (does not necessarily connect - callback checks that for me)
#ifndef CC3000_TINY_DRIVER
wlan_connect(0, ssidName, strlen(ssidName), NULL, NULL, 0);
#else
wlan_connect(ssidName, strlen(ssidName));
#endif
// We don't wait for connection. This is handled somewhere else (in the main
// loop for example).
return 0;
}
//*****************************************************************************
//
//! DemoHandleUartCommand
//!
//! @param buffer
//!
//! @return none
//!
//! @brief The function handles commands arrived from CLI
//
//*****************************************************************************
void
DemoHandleUartCommand(unsigned char *usBuffer)
{
char *pcSsid, *pcData, *pcSockAddrAscii;
unsigned long ulSsidLen, ulDataLength;
volatile signed long iReturnValue;
sockaddr tSocketAddr;
socklen_t tRxPacketLength;
unsigned char pucIP_Addr[4];
unsigned char pucIP_DefaultGWAddr[4];
unsigned char pucSubnetMask[4];
unsigned char pucDNS[4];
// usBuffer[0] contains always 0
// usBuffer[1] maps the command
// usBuffer[2..end] optional parameters
switch(usBuffer[1])
{
// Start a smart configuration process
case UART_COMMAND_CC3000_SIMPLE_CONFIG_START:
StartSmartConfig();
break;
// Start a WLAN Connect process
case UART_COMMAND_CC3000_CONNECT:
{
ulSsidLen = atoc(usBuffer[2]);
pcSsid = (char *)&usBuffer[3];
#ifndef CC3000_TINY_DRIVER
wlan_connect(WLAN_SEC_UNSEC, pcSsid, ulSsidLen,NULL, NULL, 0);
#else
wlan_connect(pcSsid,ulSsidLen);
#endif
}
break;
// Handle open socket command
case UART_COMMAND_SOCKET_OPEN:
// wait for DHCP process to finish. if you are using a static IP address
// please delete the wait for DHCP event - ulCC3000DHCP
while ((ulCC3000DHCP == 0) || (ulCC3000Connected == 0))
{
hci_unsolicited_event_handler();
SysCtlDelay(1000);
}
ulSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
break;
// Handle close socket command
case UART_COMMAND_SOCKET_CLOSE:
closesocket(ulSocket);
ulSocket = 0xFFFFFFFF;
break;
// Handle receive data command
case UART_COMMAND_RCV_DATA:
iReturnValue = recvfrom(ulSocket, pucCC3000_Rx_Buffer,
CC3000_APP_BUFFER_SIZE, 0, &tSocketAddr,
&tRxPacketLength);
if (iReturnValue <= 0)
{
// No data received by device
DispatcherUartSendPacket((unsigned char*)pucUARTNoDataString,
sizeof(pucUARTNoDataString));
}
else
{
// Send data to UART...
DispatcherUartSendPacket(pucCC3000_Rx_Buffer, CC3000_APP_BUFFER_SIZE);
}
break;
// Handle send data command
case UART_COMMAND_SEND_DATA:
// data pointer
pcData = (char *)&usBuffer[4];
// data length to send
ulDataLength = atoshort(usBuffer[2], usBuffer[3]);
pcSockAddrAscii = (pcData + ulDataLength);
// the family is always AF_INET
tSocketAddr.sa_family = atoshort(pcSockAddrAscii[0], pcSockAddrAscii[1]);
// the destination port
tSocketAddr.sa_data[0] = ascii_to_char(pcSockAddrAscii[2], pcSockAddrAscii[3]);
tSocketAddr.sa_data[1] = ascii_to_char(pcSockAddrAscii[4], pcSockAddrAscii[5]);
// the destination IP address
tSocketAddr.sa_data[2] = ascii_to_char(pcSockAddrAscii[6], pcSockAddrAscii[7]);
tSocketAddr.sa_data[3] = ascii_to_char(pcSockAddrAscii[8], pcSockAddrAscii[9]);
tSocketAddr.sa_data[4] = ascii_to_char(pcSockAddrAscii[10], pcSockAddrAscii[11]);
tSocketAddr.sa_data[5] = ascii_to_char(pcSockAddrAscii[12], pcSockAddrAscii[13]);
sendto(ulSocket, pcData, ulDataLength, 0, &tSocketAddr, sizeof(sockaddr));
break;
// Handle bind command
case UART_COMMAND_BSD_BIND:
tSocketAddr.sa_family = AF_INET;
// the source port
tSocketAddr.sa_data[0] = ascii_to_char(usBuffer[2], usBuffer[3]);
tSocketAddr.sa_data[1] = ascii_to_char(usBuffer[4], usBuffer[5]);
// all 0 IP address
memset (&tSocketAddr.sa_data[2], 0, 4);
bind(ulSocket, &tSocketAddr, sizeof(sockaddr));
break;
// Handle IP configuration command
case UART_COMMAND_IP_CONFIG:
// Network mask is assumed to be 255.255.255.0
pucSubnetMask[0] = 0xFF;
pucSubnetMask[1] = 0xFF;
pucSubnetMask[2] = 0xFF;
pucSubnetMask[3] = 0x0;
pucIP_Addr[0] = ascii_to_char(usBuffer[2], usBuffer[3]);
pucIP_Addr[1] = ascii_to_char(usBuffer[4], usBuffer[5]);
pucIP_Addr[2] = ascii_to_char(usBuffer[6], usBuffer[7]);
pucIP_Addr[3] = ascii_to_char(usBuffer[8], usBuffer[9]);
pucIP_DefaultGWAddr[0] = ascii_to_char(usBuffer[10], usBuffer[11]);
pucIP_DefaultGWAddr[1] = ascii_to_char(usBuffer[12], usBuffer[13]);
pucIP_DefaultGWAddr[2] = ascii_to_char(usBuffer[14], usBuffer[15]);
pucIP_DefaultGWAddr[3] = ascii_to_char(usBuffer[16], usBuffer[17]);
pucDNS[0] = 0;
pucDNS[1] = 0;
pucDNS[2] = 0;
pucDNS[3] = 0;
netapp_dhcp((unsigned long *)pucIP_Addr, (unsigned long *)pucSubnetMask,
(unsigned long *)pucIP_DefaultGWAddr, (unsigned long *)pucDNS);
break;
// Handle WLAN disconnect command
case UART_COMMAND_CC3000_DISCONNECT:
wlan_disconnect();
break;
// Handle erase policy command
case UART_COMMAND_CC3000_DEL_POLICY:
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, DISABLE);
break;
// Handle send DNS Discovery command
case UART_COMMAND_SEND_DNS_ADVERTIZE:
if(ulCC3000DHCP)
{
mdnsAdvertiser(1,device_name,strlen(device_name));
}
break;
default:
DispatcherUartSendPacket((unsigned char*)pucUARTIllegalCommandString,
sizeof(pucUARTIllegalCommandString));
break;
}
// Send a response - the command handling has finished
DispatcherUartSendPacket((unsigned char *)(pucUARTCommandDoneString),
sizeof(pucUARTCommandDoneString));
}
static void cmd_smart_cc3000(BaseSequentialStream *chp, int argc, char *argv[])
{
long rval;
(void)argv;
if(argc > 0)
{
chprintf(chp, "Usage: setup\r\n");
return;
}
chprintf(chp, "Disconnecting ");
wlan_disconnect();
while(cc3000AsyncData.connected == 1)
{
chprintf(chp, ".");
}
chprintf(chp, "done!\r\n");
chprintf(chp, "Disabling auto connect policy ...\r\n");
/* Set connection policy to disable */
if ((rval = wlan_ioctl_set_connection_policy(DISABLE, DISABLE, DISABLE)) != 0)
{
chprintf(chp, "Error disabling auto connect policy ...\r\n");
return;
}
/* Delete all profiles */
chprintf(chp, "Deleting all profiles ...\r\n");
if ((rval = wlan_ioctl_del_profile(255)) != 0)
{
chprintf(chp, "Error deleting profiles ...\r\n");
return;
}
chprintf(chp, "Creating AES keys ...\r\n");
nvmem_create_entry(NVMEM_AES128_KEY_FILEID, AES128_KEY_SIZE);
aes_write_key((UINT8 *) AES_KEY);
// Set the smart config prefix
chprintf(chp, "Setting smart config prefix ...\r\n");
if((rval = wlan_smart_config_set_prefix(smartConfigPrefix)) != 0)
{
chprintf(chp, "Error setting smart config prefix ... \r\n");
return;
}
chprintf(chp, "Starting CC3000 SmartConfig ...\r\n");
if((rval = wlan_smart_config_start(0)) != 0)
{
chprintf(chp, "Error starting smart config ...\r\n");
return;
}
chprintf(chp, "Waiting for SmartConfig to finish ...\r\n");
/* Wait until smart config is finished */
while(cc3000AsyncData.smartConfigFinished == 0)
{
// We blink the led here .. the thread process
// will set this to PAL_LOW (since we are disconnected)
palWritePad(CON_LED_PORT, CON_LED_PIN, PAL_HIGH);
chThdSleep(MS2ST(200));
}
chprintf(chp, "Smart config packet received ...\r\n");
/* Re enable auto connect policy */
if ((rval = wlan_ioctl_set_connection_policy(DISABLE, DISABLE, ENABLE)) != 0)
{
chprintf(chp, "Error setting auto connect policy ...\r\n");
return;
}
/* Restart wlan */
wlan_stop();
chprintf(chp, "Reconnecting ...\r\n");
chThdSleep(MS2ST(2000));
wlan_start(0);
/* No need to call connect, hopefully auto connect policy
* can connect to our AP now
**/
chprintf(chp, "Waiting for connection to AP ...\r\n");
while (cc3000AsyncData.dhcp.present != 1)
{
chThdSleep(MS2ST(5));
}
show_cc3_dhcp_info(chp);
mdnsAdvertiser(1, deviceName, strlen(deviceName));
}
/* mgmt mutex MUST be locked by caller */
static clarityError clarityMgmtAttemptActivate_mtxext(void)
{
clarityError rtn = CLARITY_SUCCESS;
#if 0
uint32_t ip = 0;
uint32_t subnet = 0;
uint32_t gateway = 0;
uint32_t dns = 0;
#endif
if (mgmtData.active == true)
{
return CLARITY_SUCCESS;
}
#if 0
if (mgmtData.ap->deviceIp.isStatic == true)
{
ip = htonl(mgmtData.ap->deviceIp.ip);
subnet = htonl(mgmtData.ap->deviceIp.subnet);
gateway = htonl(mgmtData.ap->deviceIp.gateway);
dns = htonl(mgmtData.ap->deviceIp.dns);
}
#endif
clarityCC3000ApiLock();
wlan_start(0);
mgmtData.active = true;
#if 0
if (netapp_dhcp(&ip, &subnet, &gateway, &dns) != 0)
{
CLAR_PRINT_ERROR();
rtn = CLARITY_ERROR_CC3000_NETAPP;
}
wlan_disconnect();
wlan_stop();
chThdSleep(MS2ST(200));
wlan_start(0);
#endif
clarityCC3000ApiUnlock();
if ((rtn = connectToWifi_mtxext()) != CLARITY_SUCCESS)
{
CLAR_PRINT_ERROR();
}
if (rtn != CLARITY_SUCCESS)
{
clarityCC3000ApiLock();
wlan_disconnect();
wlan_stop();
clarityCC3000ApiUnlock();
mgmtData.active = false;
}
return rtn;
}
/*
* @brief Initialization is used to configure all of the registers of the microcontroller
* Steps:
* 1) Initialize CC3000
* 2) Set MUX Select_A to LOW, so we can send the Kill command from Atmega TX line
* (C0 input on MUX)
* 3) Set Mode to Safety Mode
* 4) Set MUX Select A to HIGH, so we get into Autonomous mode by default
* (C1 input on MUX)
*/
inline void Initialization (void)
{
#ifdef WATCHDOG_ENABLED
wdt_enable(WDTO_8S); // WDTO_8S means set the watchdog to 8 seconds.
#endif
//Turn on the Power LED to identify that the device is on.
// [UNUSED] DDRC |= (1 << DDC7); //STATUS LED
//Set up the LEDs for WLAN_ON and DHCP:
DDRC |= (1 << DDC6); //WLAN_INIT LED
DDRC |= (1 << DDC7); //DHCP_Complete LED. This will turn on and very slowly blink
DDRB |= (1 << DDB7); // MUX Select line, setting as output.
DDRE |= (1 << DDE2); // DDRF set outbound for Safe Mode LED
DDRD |= (1 << DDD6); // DDRF set outbound for Manual Mode LED
DDRD |= (1 << DDD4); // DDRF set outbound for Auto Mode LED
PORTF |= (1 << PF0); // Extra GPIO Pin
PORTF |= (1 << PF1); // Extra GPIO Pin
#ifndef SKIP_BOOT
DDRB |= (1 << DDB4);
DDRD |= (1 << DDD7);
DDRD |= (1 << DDD6);
PORTB |= (1 << PB4);
_delay_ms(200);
PORTD |= (1 << PD7);
_delay_ms(200);
PORTD |= (1 << PD6);
_delay_ms(200);
PORTB &= ~(1 << PB4);
_delay_ms(200);
PORTD &= ~(1 << PD7);
_delay_ms(200);
PORTD &= ~(1 << PD6);
#endif
_delay_ms(500);
PORTF &= ~(1 << PF0);
PORTF &= ~(1 << PF1);
// #ifdef ENERGY_ANALYSIS_ENABLED
// //Enable Timer/Counter0 Interrupt on compare match of OCR0A:
// TIMSK0 = (1 << OCIE0A);
// //Set the Output Compare Register for the timer to compare against:
// OCR0A = Energy_Analysis_Interval;
// //Configure the ADC to have the reference pin be AREF on pin 21, and make sure everything is set to defaults:
// ADMUX = 0x00;
// //Enable the Analog to Digital Conversion (ADC):
// ADCSRA = (1 << ADEN); //25 Clock cycles to initialize.
// #endif
#ifdef CC3000_ENABLED
//Enable the CC3000, and setup the SPI configurations.
init_spi();
//Set up the CC3000 API for communication.
wlan_init(CC3000_Unsynch_Call_Back,
Send_WLFW_Patch,
Send_Driver_Patch,
Send_Boot_Loader_Patch,
Read_WLAN_Interrupt_Pin,
WLAN_Interrupt_Enable,
WLAN_Interrupt_Disable,
Write_WLAN_Pin);
PORTB |= (1 << PB6); //Set the WLAN_INIT LED on.
sei();
//Enable the CC3000, and wait for initialization process to finish.
wlan_start(0);
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
//Make sure we disconnect from any previous routers before we connect to a new one to prevent confusion on the device.
wlan_disconnect();
wlan_connect(WLAN_SEC_UNSEC, ROUTER_SSID, SSID_LENGTH, NULL, NULL, 0);
while(!DHCP_Complete)
{
_delay_ms(1000);
}
#ifdef WATCHDOG_ENABLED
wdt_reset();
#endif
//Bind a socket to receive data:
//sockaddr Mission_Control_Address;
memset((char *) &Mission_Control_Address, 0, sizeof(Mission_Control_Address));
Mission_Control_Address.sa_family = AF_INET;
//The Source Port:
Mission_Control_Address.sa_data[0] = (char)HEX_PORT_1; //(char)0x09;
Mission_Control_Address.sa_data[1] = (char)HEX_PORT_2; //(char)0x56;
//Configure the socket to not time out to keep the connection active.
//--------------------------------------------------------------------
unsigned long aucDHCP = 14400;
unsigned long aucARP = 3600;
unsigned long aucKeepalive = 10;
unsigned long aucInactivity = 0;
netapp_timeout_values(&aucDHCP, &aucARP, &aucKeepalive, &aucInactivity);
//TODO:
//Should check the CC3000's profiles. In the case that there are no profiles found, then
//inform the PC system, or use an LED.
//Open a UDP socket that grabs datagram:
Socket_Handle = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
switch(Socket_Handle)
{
case -1: //Error
//Flag somehow.
break;
default: //Success
//Set the socket configuration for blocking (since it is the only thing that is allowed).
switch( bind(Socket_Handle, &Mission_Control_Address, sizeof(sockaddr)))
{
case -1:
//Flag as ERROR.
break;
default:
//Flag as good.
break;
}
break;
}
#endif
// NEED TO SETUP A QUICK REMOVAL FLAG FOR THIS CODE TO TEST THE CC3000.
// #ifdef MOTOR_CONTROL_FLAG
// Set up our Motor Controller Selection lines and the output for the RS232 lines:
// DDRD |= (1 << DDD3) | (1 << DDD4) | (1 << DDD5);
DDRD |= (1 << DDD3) | (1 << DDD5);
// Initialize the UART (RS-232 communications) for the motor controller interface:
// Set the Baud rate to 115200 bits/s. ((System Oscillator clock frequency / (2 * BAUD) ) - 1)
// NOTE: The value may not be correct, according to the data sheet (pg. 213).
// With the value 16, the error is 2.1% (lower than 8, being -3.5%).
// This comes from util/setbaud.h
UBRR1H = UBRRH_VALUE; /*Set baud rate*/
UBRR1L = UBRRL_VALUE; /*Set baud rate*/
//Defined in util/setbaud.h:
#if USE_2X
UCSR1A |= (1 << U2X1); //Double the baud rate for asynchronous communication.
#else
UCSR1A &= ~(1 << U2X1);
#endif
// Set to no parity and in Asynchronous mode.
// 1 Stop bit.
// 1 Start bit.
// Set to 8-bit data.
UCSR1C |= (1 << UCSZ11) | (1 << UCSZ10);
//Enable the Rx and Tx lines.
UCSR1B |= (1 << TXEN1);
#ifdef TWI_ENABLED
//Set the SCL frequency to 200 KHz. From the equation: f(SCL) = F_CPU/(16 + (2*TWBR) * (4^TWPS))
TWBR = 12;
DDRB |= (1 << DDB4); //Setup PortB4 as the TWI error LED.
#endif //End TWI_ENABLED
_delay_ms(1000); //Wait for one second for the RoboteQs to finish booting.
Set_Mode(SAFETY_MODE); // Set to Safe Mode to send Kill Command to Roboteq's
Set_Mode(AUTONOMOUS_MODE);
#ifdef ROUTER_WATCHDOG_ENABLED
Count = 0; //Clear the Count variable out.
TCNT1 = 0; //Clear the TCNT register.
TCCR1B = (1 << CS12) | (1 << CS10); //Set the prescaler for 1024.
TIMSK1 = (1 << OCIE1A); //Enable output compare for 1A.
OCR1A = 39063; //Set the system to interrupt every 5 seconds.
//OCR1A = (Multiplier) * (F_CPU) / (Prescaler)
//39063 = (5) * (8000000) / (1024)
#endif
}
void test_wlan_disconnect(int argc, char **argv)
{
if (wlan_disconnect() != WLAN_ERROR_NONE)
wmprintf("Error: unable to disconnect\r\n");
}
wlan_result_t wlan_disconnect_now()
{
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, DISABLE);//Disable auto connect
return wlan_disconnect();
}