//*****************************************************************************
//
//! initDriver
//!
//! @param None
//!
//! @return none
//!
//! @brief The function initializes a CC3000 device and triggers it to
//! start operation
//
//*****************************************************************************
int
initDriver(void)
{
// Init GPIO's
pio_init();
//Init Spi
init_spi();
DispatcherUARTConfigure();
// WLAN On API Implementation
wlan_init( CC3000_UsynchCallback, sendWLFWPatch, sendDriverPatch, sendBootLoaderPatch, ReadWlanInterruptPin, WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
// Trigger a WLAN device
wlan_start(0);
// Turn on the LED 5 to indicate that we are active and initiated WLAN successfully
turnLedOn(5);
// Mask out all non-required events from CC3000
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
// Generate the event to CLI: send a version string
{
char cc3000IP[50];
char *ccPtr;
unsigned short ccLen;
DispatcherUartSendPacket((unsigned char*)pucUARTExampleAppString, sizeof(pucUARTExampleAppString));
ccPtr = &cc3000IP[0];
ccLen = my_itoa(PALTFORM_VERSION, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = my_itoa(APPLICATION_VERSION, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = my_itoa(SPI_VERSION_NUMBER, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = my_itoa(DRIVER_VERSION_NUMBER, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '\f';
*ccPtr++ = '\r';
*ccPtr++ = '\0';
DispatcherUartSendPacket((unsigned char*)cc3000IP, strlen(cc3000IP));
}
wakeup_timer_init();
ucStopSmartConfig = 0;
return(0);
}
/*JSON{ "type":"staticmethod",
"class" : "WLAN", "name" : "start",
"generate" : "jswrap_wlan_start",
"description" : "",
"params" : [ ]
}*/
void jswrap_wlan_start() {
wlan_start(0);
// Mask out all non-required events from CC3000
wlan_set_event_mask(
HCI_EVNT_WLAN_KEEPALIVE |
HCI_EVNT_WLAN_UNSOL_INIT);
// TODO: check return value !=0
wlan_ioctl_set_connection_policy(0, 0, 0); // don't auto-connect
wlan_ioctl_del_profile(255); // delete stored eeprom data
}
//*****************************************************************************
//
//! initDriver
//!
//! \param None
//!
//! \return none
//!
//! \brief The function initializes a CC3000 device and triggers it to start operation
//
//*****************************************************************************
int
initDriver(void)
{
pio_init(); // Init GPIO's
init_spi();
wlan_init( CC3000_UsynchCallback, sendWLFWPatch, sendDriverPatch, sendBootLoaderPatch, ReadWlanInterruptPin, WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
wlan_start(0);
if (IP_ALLOC_METHOD == USE_STATIC_IP){// The DHCP setting shave been removed.
pucSubnetMask[0] = 0xFF;// Subnet mask is assumed to be 255.255.255.0
pucSubnetMask[1] = 0xFF;
pucSubnetMask[2] = 0xFF;
pucSubnetMask[3] = 0x0;
pucIP_Addr[0] = STATIC_IP_OCT1; // CC3000's IP
pucIP_Addr[1] = STATIC_IP_OCT2;
pucIP_Addr[2] = STATIC_IP_OCT3;
pucIP_Addr[3] = STATIC_IP_OCT4;
pucIP_DefaultGWAddr[0] = STATIC_IP_OCT1;// Default Gateway/Router IP
pucIP_DefaultGWAddr[1] = STATIC_IP_OCT2;
pucIP_DefaultGWAddr[2] = STATIC_IP_OCT3;
pucIP_DefaultGWAddr[3] = 1;
pucDNS[0] = STATIC_IP_OCT1;// We assume the router is also a DNS server
pucDNS[1] = STATIC_IP_OCT2;
pucDNS[2] = STATIC_IP_OCT3;
pucDNS[3] = 1;
netapp_dhcp((unsigned long *)pucIP_Addr, (unsigned long *)pucSubnetMask,
(unsigned long *)pucIP_DefaultGWAddr, (unsigned long *)pucDNS);
// reset the CC3000 to apply Static Setting
wlan_stop();
__delay_cycles(6000000);
wlan_start(0);
}
// Mask out all non-required events from CC3000
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
unsolicicted_events_timer_init();
// CC3000 has been initialized
setCC3000MachineState(CC3000_INIT);
return(0);
}
void hw_net_initialize (void)
{
CC3000_START;
SpiInit(4e6);
hw_wait_us(10);
wlan_init(CC3000_UsynchCallback, NULL, NULL, NULL, ReadWlanInterruptPin,
WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
wlan_start(0);
int r = wlan_ioctl_set_connection_policy(0, 0, 0);
if (r != 0) {
TM_DEBUG("Fail setting policy %i", r);
}
r = wlan_ioctl_set_scan_params(10000, 100, 100, 5, 0x7FF, -100, 0, 205, wifi_intervals);
if (r != 0) {
TM_DEBUG("Fail setting scan params %i", r);
}
r = wlan_ioctl_set_connection_policy(0, true, true);
if (r != 0) {
TM_DEBUG("Fail setting connection policy %i", r);
}
wlan_stop();
hw_wait_ms(10);
wlan_start(0);
// tm_sleep_ms(100);
// TM_COMMAND('w',"setting event mask\n");
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
// TM_COMMAND('w',"done setting event mask\n");
unsigned long aucDHCP = 14400;
unsigned long aucARP = 3600;
unsigned long aucKeepalive = 10;
unsigned long aucInactivity = 0;
if (netapp_timeout_values(&aucDHCP, &aucARP, &aucKeepalive, &aucInactivity) != 0) {
TM_DEBUG("Error setting inactivity timeout!");
}
unsigned char version[2];
if (nvmem_read_sp_version(version)) {
TM_ERR("Failed to read CC3000 firmware version.");
}
memcpy(hw_cc_ver, version, 2);
CC3000_END;
}
signed int
init_wifiDriver(void)
{
signed char ret;
//
// Init GPIO's
//
if(!wifi_SPI_gpio_init_Done)
{
return -1; //error
}
//
//initialize SPI bus.
//
// Must be done to establish SimpleLink between microcontroller and cc3000.
// all cc3000 api will work only after successful SPI initialization /enabling SimpleLink .
// All CC3000 api() {except wlan_init()api } wait for SimpleLinkWaitEvent(HCI_Cmd_Name, &retval).
//
ret=init_spi();
if(ret)
{
return -2;
}
//
// Register various callback with HostDriver framework for
// 1. processing not masked asynchronous Event.
// 2. msp430 bsp functions for cc3000 interrupt pin and wlan_Enable pin
//
wlan_init( CC3000_AsyncEventCallback, sendWLFWPatch, sendDriverPatch, sendBootLoaderPatch, ReadWlanInterruptPin, WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
//
// Starts the CC3000 Wifi chip to become enabled for wifi operations.
//blocks till wifi chip doesnt get UP.
//
wlan_start(0);
//
// Mask out all non-required asynchronous events from CC3000
//
ret= wlan_set_event_mask( HCI_EVNT_WLAN_KEEPALIVE | HCI_EVNT_WLAN_UNSOL_INIT | HCI_EVNT_WLAN_ASYNC_PING_REPORT);
if(ret){
return -3;
}
return(0);
}
void cc3000_initialise(JsVar *wlanObj) {
jsvObjectSetChild(jsiGetParser()->root, CC3000_OBJ_NAME, wlanObj);
cc3000_spi_open();
wlan_init(cc3000_usynch_callback,
sendNoPatch/*sendWLFWPatch*/,
sendNoPatch/*sendDriverPatch*/,
sendNoPatch/*sendBootLoaderPatch*/,
cc3000_read_irq_pin, cc3000_irq_enable, cc3000_irq_disable, cc3000_write_en_pin);
wlan_start(0/* No patches */);
// Mask out all non-required events from CC3000
wlan_set_event_mask(
HCI_EVNT_WLAN_KEEPALIVE |
HCI_EVNT_WLAN_UNSOL_INIT);
// TODO: check return value !=0
wlan_ioctl_set_connection_policy(0, 0, 0); // don't auto-connect
wlan_ioctl_del_profile(255); // delete stored eeprom data
/*------------------------------------------------------------------------
Spider_begin
Initial Spider L3,
return 0, Initial success.
-----------------------------------------------------------------------*/
int Spider_begin(void){
// Initial Arduino hardware interface connect with CC3000.
CC3000_Init();
// Initial callback functions to wlan api.
wlan_init( Spider_AsyncCallback, SendFirmwarePatch, SendDriverPatch, SendBootloaderPatch,
ReadWlanInterruptPin, WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
// Starting CC3000
wlan_start(0);
// Set CC3000 event masking, right now without ping report.
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
//Initial success.
HW_Initialed = 1;
return 0;
}
//*****************************************************************************
//
//! initDriver
//!
//! \param[in] cRequestPatch 0 to load with EEPROM patches
//! and 1 to load with no patches
//!
//! \return none
//!
//! \brief The function initializes a CC3000 device
//! and triggers it to start operation
//
//*****************************************************************************
static int initDriver(unsigned short cRequestPatch)
{
// WLAN On API Implementation
wlan_init(CC3000_UsynchCallback, sendWLFWPatch, sendDriverPatch, sendBootLoaderPatch,
ReadWlanInterruptPin, SpiResumeSpi, SpiPauseSpi, WriteWlanPin);
// Trigger a WLAN device
wlan_start(cRequestPatch);
wlan_smart_config_set_prefix((char*)aucCC3000_prefix);
wlan_ioctl_set_connection_policy(0, 0, 0);
wlan_ioctl_del_profile(255);
// Mask out all non-required events from CC3000
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|
HCI_EVNT_WLAN_UNSOL_INIT|
HCI_EVNT_WLAN_ASYNC_PING_REPORT);
//unsolicicted_events_timer_init();
systick_sleep(100);
return(0);
}
/// \classmethod \constructor(spi, pin_cs, pin_en, pin_irq)
/// Initialise the CC3000 using the given SPI bus and pins and return a CC3k object.
//
// Note: pins were originally hard-coded to:
// PYBv1.0: init(pyb.SPI(2), pyb.Pin.board.Y5, pyb.Pin.board.Y4, pyb.Pin.board.Y3)
// [SPI on Y position; Y6=B13=SCK, Y7=B14=MISO, Y8=B15=MOSI]
//
// STM32F4DISC: init(pyb.SPI(2), pyb.Pin.cpu.A15, pyb.Pin.cpu.B10, pyb.Pin.cpu.B11)
STATIC mp_obj_t cc3k_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
// check arguments
mp_arg_check_num(n_args, n_kw, 4, 4, false);
// set the pins to use
SpiInit(
spi_get_handle(args[0]),
pin_find(args[1]),
pin_find(args[2]),
pin_find(args[3])
);
// initialize and start the module
wlan_init(cc3k_callback, NULL, NULL, NULL,
ReadWlanInterruptPin, SpiResumeSpi, SpiPauseSpi, WriteWlanPin);
if (wlan_start(0) != 0) {
nlr_raise(mp_obj_new_exception_msg(
&mp_type_OSError, "Failed to init wlan module"));
}
// set connection policy. this should be called explicitly by the user
// wlan_ioctl_set_connection_policy(0, 0, 0);
// Mask out all non-required events from the CC3000
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|
HCI_EVNT_WLAN_UNSOL_INIT|
HCI_EVNT_WLAN_ASYNC_PING_REPORT|
HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE);
cc3k_obj_t *cc3k = m_new_obj(cc3k_obj_t);
cc3k->base.type = (mp_obj_type_t*)&mod_network_nic_type_cc3k;
// register with network module
mod_network_register_nic(cc3k);
return cc3k;
}
static mp_obj_t mod_wlan_init()
{
/* Initialize WLAN module */
wlan_init(sWlanCallback, NULL, NULL, NULL,
ReadWlanInterruptPin, SpiResumeSpi, SpiPauseSpi, WriteWlanPin);
/* Start WLAN module */
if (wlan_start(0) != 0) {
nlr_raise(mp_obj_new_exception_msg(
&mp_type_OSError, "Failed to init wlan module"));
}
/* Set connection policy */
// wlan_ioctl_set_connection_policy(0, 0, 0);
/* Mask out all non-required events from the CC3000 */
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|
HCI_EVNT_WLAN_UNSOL_INIT|
HCI_EVNT_WLAN_ASYNC_PING_REPORT|
HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE);
return mp_const_none;
}
//*****************************************************************************
//
//! initDriver
//!
//! \param[in] cRequestPatch 0 to load with EEPROM patches and 1 to load with no patches
//!
//! \return none
//!
//! \brief The function initializes a CC3000 device and triggers it to start operation
//
//*****************************************************************************
int
initDriver(unsigned short cRequestPatch)
{
//
// Init GPIO's
//
pio_init();
//
//init all layers
//
init_spi();
//
// WLAN On API Implementation
//
wlan_init( CC3000_UsynchCallback, sendWLFWPatch, sendDriverPatch, sendBootLoaderPatch, ReadWlanInterruptPin, WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
//
// Trigger a WLAN device
//
wlan_start(cRequestPatch);
wlan_smart_config_set_prefix(aucCC3000_prefix);
// Turn on the LED 5 to indicate that we are active and initiated WLAN successfully
turnLedOn(5);
//
// Mask out all non-required events from CC3000
//
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
unsolicicted_events_timer_init();
return(0);
}
BOOL cc3000_setup(BOOL patchReq, uint8_t connectPolicy, const char* deviceName) {
printf("BEGIN CC3000 Setup (patchReq: %d, connectPolicy: %d, deviceName: %s)\n", patchReq, connectPolicy, deviceName);
_cc3000_pingReportNum = 0;
_cc3000_irqEnabled = FALSE;
memset(&_cc3000_status, 0, sizeof(_cc3000_status));
memset(&_cc3000_pingReport, 0, sizeof(_cc3000_pingReport));
for (int i = 0; i < MAX_SOCKETS; i++) {
_cc3000_sockets[i].closed = FALSE;
}
_cc3000_inIrq = FALSE;
wlan_init(
_cc3000_asyncCallback,
_cc3000_sendFWPatches,
_cc3000_sendDriverPatches,
_cc3000_sendBootLoaderPatches,
_cc3000_readWlanInterruptPin,
_cc3000_wlanInterruptEnable,
_cc3000_wlanInterruptDisable,
_cc3000_writeWlanPin
);
wlan_start(patchReq);
uint8_t firmwareMajor, firmwareMinor;
if (_cc3000_getFirmwareVersion(&firmwareMajor, &firmwareMinor)) {
printf("CC3000 firmware: %d.%d\n", firmwareMajor, firmwareMinor);
} else {
printf("failed to get firmware\n");
return FALSE;
}
// Check if we should erase previous stored connection details
// (most likely written with data from the SmartConfig app)
int connectToOpenAPs = (connectPolicy & CC3000_CONNECT_POLICY_OPEN_AP) ? 1 : 0;
int useFastConnect = (connectPolicy & CC3000_CONNECT_POLICY_FAST) ? 1 : 0;
int useProfiles = (connectPolicy & CC3000_CONNECT_POLICY_PROFILES) ? 1 : 0;
wlan_ioctl_set_connection_policy(connectToOpenAPs, useFastConnect, useProfiles);
if (connectToOpenAPs == 0 && useFastConnect == 0 && useProfiles == 0) {
// Delete previous profiles from memory
wlan_ioctl_del_profile(255);
}
if (wlan_set_event_mask(HCI_EVNT_WLAN_UNSOL_INIT |
//HCI_EVNT_WLAN_ASYNC_PING_REPORT |// we want ping reports
//HCI_EVNT_BSD_TCP_CLOSE_WAIT |
//HCI_EVNT_WLAN_TX_COMPLETE |
HCI_EVNT_WLAN_KEEPALIVE) != CC3000_SUCCESS) {
printf("WLAN Set Event Mask FAIL\n");
return FALSE;
}
// Wait for re-connection if we're using SmartConfig data
if (connectPolicy & CC3000_CONNECT_POLICY_SMART_CONFIG) {
// Wait for a connection
uint32_t timeout = 0;
while (!_cc3000_status.isConnected) {
_cc3000_irqPoll();
if (timeout > WLAN_CONNECT_TIMEOUT) {
return FALSE;
}
timeout += 10;
delay_ms(10);
}
delay_ms(1000);
if (_cc3000_status.hasDHCP) {
mdnsAdvertiser(1, (char*) deviceName, strlen(deviceName));
}
}
printf("END CC3000 Setup\n");
return TRUE;
}
/**
* @brief Configure SPI for MCU to CC3000
*
* @return True if SPI initialization completed successfully. False otherwise.
*/
bool SFE_CC3000::init()
{
/* Check if CC3000 SPI is already initialized */
if (is_initialized_) {
return true;
}
/* Determine available interrupt pins on supported microcontrollers */
#if defined(__AVR_ATmega8__) || defined(__AVR_ATmega168__) || \
defined(__AVR_ATmega328P__) || defined (__AVR_ATmega328__)
switch (g_int_pin) {
case 2:
g_int_num = 0;
break;
case 3:
g_int_num = 1;
break;
default:
Serial.println("ERROR: Interrupt line not attached to pin 2 or 3");
return false;
}
#elif defined(__AVR_ATmega1281__) || defined(__AVR_ATmega2561__) || \
defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
switch (g_int_pin) {
case 2:
g_int_num = 0;
break;
case 3:
g_int_num = 1;
break;
case 18:
g_int_num = 5;
break;
case 19:
g_int_num = 4;
break;
case 20:
g_int_num = 3;
break;
case 21:
g_int_num = 2;
break;
default:
Serial.println("ERROR: Interrupt not pin 2, 3, 18, 19, 20, or 21");
return false;
}
#elif defined(__AVR_ATmega32U4__)
switch (g_int_pin) {
case 3:
g_int_num = 0;
break;
case 2:
g_int_num = 1;
break;
case 0:
g_int_num = 2;
break;
case 1:
g_int_num = 3;
break;
case 7:
g_int_num = 4;
break;
default:
Serial.println("ERROR: Interrupt not pin 0, 1, 2, 3, or 7");
return false;
}
#else
Serial.println("ERROR: Microcontroller not supported");
return false;
#endif
/* Initialize interrupt, CS, and enable pins */
/* Digital pins can be used as INPUT */
pinMode(g_int_pin, INPUT);
pinMode(g_en_pin, OUTPUT);
pinMode(g_cs_pin, OUTPUT);
digitalWrite(g_en_pin, LOW);
/* Set up SPI, save default SPI parameters */
SPI.begin();
//SPI.setDataMode(SPI_MODE1);
//SPI.setBitOrder(MSBFIRST);
//SPI.setClockDivider(SPI_CLK_DIV);
/* De-assert CS */
digitalWrite(g_cs_pin, HIGH);
/* Initialize CC3000 library - provide callback definitions */
wlan_init( cc3000AsyncCallback,
sendFirmwarePatch,
sendDriverPatch,
sendBootLoaderPatch,
readWlanInterruptPin,
enableWlanInterrupt,
disableWlanInterrupt,
writeWlanPin);
/* CC3000 needs a delay before starting WLAN or it gets stuck sometimes */
delay(100);
/* Start CC3000 - asserts enable pin and blocks until init is complete */
wlan_start(0);
/* Mask out non-required events */
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE | HCI_EVNT_WLAN_UNSOL_INIT);
is_initialized_ = true;
return true;
}
void StartSmartConfig(void)
{
ulSmartConfigFinished = 0;
ulCC3000Connected = 0;
ulCC3000DHCP = 0;
OkToDoShutDown=0;
// Reset all the previous configuration
if (wlan_ioctl_set_connection_policy(0, 0, 0) != 0) {
digitalWrite(ErrorLED, HIGH);
return;
}
if (wlan_ioctl_del_profile(255) != 0) {
digitalWrite(ErrorLED, HIGH);
return;
}
//Wait until CC3000 is disconnected
while (ulCC3000Connected == 1)
{
delayMicroseconds(100);
}
// Serial.println("waiting for disconnect");
// Trigger the Smart Config process
// Start blinking LED6 during Smart Configuration process
digitalWrite(ConnLED, HIGH);
if (wlan_smart_config_set_prefix((char*)aucCC3000_prefix) != 0){
digitalWrite(ErrorLED, HIGH);
return;
}
digitalWrite(ConnLED, LOW);
// Start the SmartConfig start process
if (wlan_smart_config_start(0) != 0){
digitalWrite(ErrorLED, HIGH);
return;
}
if (DEBUG_MODE) {
Serial.println("smart config start");
}
digitalWrite(ConnLED, HIGH);
// Wait for Smartconfig process complete
while (ulSmartConfigFinished == 0)
{
delay(500);
digitalWrite(ConnLED, LOW);
delay(500);
digitalWrite(ConnLED, HIGH);
}
if (DEBUG_MODE) {
Serial.println("smart config finished");
}
digitalWrite(ConnLED, LOW);
// Configure to connect automatically to the AP retrieved in the
// Smart config process. Enabled fast connect.
if (wlan_ioctl_set_connection_policy(0, 0, 1) != 0){
digitalWrite(ErrorLED, HIGH);
return;
}
// reset the CC3000
wlan_stop();
delayMicroseconds(500);
wlan_start(0);
// Mask out all non-required events
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
if (DEBUG_MODE) {
Serial.print("Config done");
}
}
//*****************************************************************************
//
//! initDriver
//!
//! \param None
//!
//! \return none
//!
//! \brief The function initializes a CC3000 device and triggers it to start operation
//
//*****************************************************************************
int
initDriver(void)
{
// Init GPIO's
pio_init();
// Init SPI
init_spi();
DispatcherUARTConfigure();
// Globally enable interrupts
__enable_interrupt();
//
// WLAN On API Implementation
//
wlan_init( CC3000_UsynchCallback, sendWLFWPatch, sendDriverPatch, sendBootLoaderPatch, ReadWlanInterruptPin, WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
//
// Trigger a WLAN device
//
wlan_start(0);
//
// Mask out all non-required events from CC3000
//
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_ASYNC_PING_REPORT|HCI_EVNT_WLAN_UNSOL_INIT);
// Generate event to CLI: send a version string
char cc3000IP[50];
char *ccPtr;
unsigned short ccLen;
DispatcherUartSendPacket((unsigned char*)pucUARTExampleAppString, sizeof(pucUARTExampleAppString));
ccPtr = &cc3000IP[0];
ccLen = itoa(PALTFORM_VERSION, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = itoa(APPLICATION_VERSION, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = itoa(SPI_VERSION_NUMBER, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = itoa(DRIVER_VERSION_NUMBER, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '\r';
*ccPtr++ = '\n';
*ccPtr++ = '\0';
ccLen = strlen(cc3000IP);
DispatcherUartSendPacket((unsigned char*)cc3000IP, strlen(cc3000IP));
// CC3000 has been initialized
setCC3000MachineState(CC3000_INIT);
unsigned long aucDHCP, aucARP, aucKeepalive, aucInactivity;
aucDHCP = 14400;
aucARP = 3600;
aucKeepalive = 10;
aucInactivity = 50;
if(netapp_timeout_values(&(aucDHCP), &(aucARP), &(aucKeepalive), &(aucInactivity)) != 0)
{
while(1);
}
return(0);
}
void StartSmartConfig(void)
{
// Reset all the previous configuration
//
wlan_ioctl_set_connection_policy(0, 0, 0);
wlan_ioctl_del_profile(255);
//Wait until CC3000 is dissconected
while (ulCC3000Connected == 1)
{
__delay_cycles(100);
}
// Start blinking LED6 during Smart Configuration process
turnLedOn(LED6);
wlan_smart_config_set_prefix(aucCC3000_prefix);
//wlan_first_time_config_set_prefix(aucCC3000_prefix);
turnLedOff(LED6);
// Start the SmartConfig start process
wlan_smart_config_start(1);
turnLedOn(LED6);
//
// Wait for Smart config finished
//
while (ulSmartConfigFinished == 0)
{
__delay_cycles(6000000);
turnLedOn(LED6);
__delay_cycles(6000000);
turnLedOff(LED6);
}
turnLedOff(LED6);
// create new entry for AES encryption key
nvmem_create_entry(NVMEM_AES128_KEY_FILEID,16);
// write AES key to NVMEM
aes_write_key((unsigned char *)(&smartconfigkey[0]));
// Decrypt configuration information and add profile
wlan_smart_config_process();
//
// Configure to connect automatically to the AP retrieved in the
// Smart config process
//
wlan_ioctl_set_connection_policy(0, 0, 1);
//
// reset the CC3000
//
wlan_stop();
__delay_cycles(600000);
wlan_start(0);
ConnectUsingSmartConfig = 1;
ulSmartConfigFinished = 0;
//
// Mask out all non-required events
//
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
}
int wlan_connect_init()
{
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE | HCI_EVNT_WLAN_UNSOL_INIT);
return 0;
}
//*****************************************************************************
//
//! initDriver
//!
//! @param None
//!
//! @return none
//!
//! @brief The function initializes a CC3000 device and triggers it to start
//! operation
//
//*****************************************************************************
int
initDriver(void)
{
// Init GPIO's
pio_init();
// Init Spi
init_spi();
// Enable processor interrupts
MAP_IntMasterEnable();
// WLAN On API Implementation
wlan_init( CC3000_UsynchCallback, sendWLFWPatch, sendDriverPatch,
sendBootLoaderPatch, ReadWlanInterruptPin, WlanInterruptEnable,
WlanInterruptDisable, WriteWlanPin);
// Trigger a WLAN device
wlan_start(0);
// Turn on the LED 1 (RED) to indicate that we are active and initiated WLAN successfully
turnLedOn(1);
// Mask out all non-required events from CC3000
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT
|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
DispatcherUARTConfigure(SysCtlClockGet());
SysCtlDelay(1000000);
// Generate teh event to CLI: send a version string
{
char cc3000IP[50];
char *ccPtr;
unsigned short ccLen;
DispatcherUartSendPacket((unsigned char*)pucUARTExampleAppString,
sizeof(pucUARTExampleAppString));
ccPtr = &cc3000IP[0];
ccLen = itoa(PALTFORM_VERSION, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = itoa(APPLICATION_VERSION, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = itoa(SPI_VERSION_NUMBER, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '.';
ccLen = itoa(DRIVER_VERSION_NUMBER, ccPtr);
ccPtr += ccLen;
*ccPtr++ = '\f';
*ccPtr++ = '\r';
*ccPtr++ = '\0';
DispatcherUartSendPacket((unsigned char*)cc3000IP, strlen(cc3000IP));
}
ucStopSmartConfig = 0;
// Configure SysTick to occur X times per second, to use as a time
// reference. Enable SysTick to generate interrupts.
InitSysTick();
return(0);
}
/*******************************************************************************
* Function Name : Start_Smart_Config.
* Description : The function triggers a smart configuration process on CC3000.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Start_Smart_Config(void)
{
WLAN_SMART_CONFIG_FINISHED = 0;
WLAN_SMART_CONFIG_STOP = 0;
WLAN_SERIAL_CONFIG_DONE = 0;
WLAN_CONNECTED = 0;
WLAN_DHCP = 0;
WLAN_CAN_SHUTDOWN = 0;
SPARK_SOCKET_CONNECTED = 0;
SPARK_HANDSHAKE_COMPLETED = 0;
SPARK_FLASH_UPDATE = 0;
SPARK_LED_FADE = 0;
LED_SetRGBColor(RGB_COLOR_BLUE);
LED_On(LED_RGB);
/* Reset all the previous configuration */
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, DISABLE);
NVMEM_Spark_File_Data[WLAN_POLICY_FILE_OFFSET] = 0;
nvmem_write(NVMEM_SPARK_FILE_ID, 1, WLAN_POLICY_FILE_OFFSET, &NVMEM_Spark_File_Data[WLAN_POLICY_FILE_OFFSET]);
/* Wait until CC3000 is disconnected */
while (WLAN_CONNECTED == 1)
{
//Delay 100ms
Delay(100);
hci_unsolicited_event_handler();
}
/* Create new entry for AES encryption key */
nvmem_create_entry(NVMEM_AES128_KEY_FILEID,16);
/* Write AES key to NVMEM */
aes_write_key((unsigned char *)(&smartconfigkey[0]));
wlan_smart_config_set_prefix((char*)aucCC3000_prefix);
/* Start the SmartConfig start process */
wlan_smart_config_start(1);
WiFiCredentialsReader wifi_creds_reader(wifi_add_profile_callback);
/* Wait for SmartConfig/SerialConfig to finish */
while (!(WLAN_SMART_CONFIG_FINISHED | WLAN_SERIAL_CONFIG_DONE))
{
if(WLAN_DELETE_PROFILES && wlan_ioctl_del_profile(255) == 0)
{
int toggle = 25;
while(toggle--)
{
LED_Toggle(LED_RGB);
Delay(50);
}
NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET] = 0;
nvmem_write(NVMEM_SPARK_FILE_ID, 1, WLAN_PROFILE_FILE_OFFSET, &NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET]);
WLAN_DELETE_PROFILES = 0;
}
else
{
LED_Toggle(LED_RGB);
Delay(250);
wifi_creds_reader.read();
}
}
LED_On(LED_RGB);
/* read count of wlan profiles stored */
nvmem_read(NVMEM_SPARK_FILE_ID, 1, WLAN_PROFILE_FILE_OFFSET, &NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET]);
// if(NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET] >= 7)
// {
// if(wlan_ioctl_del_profile(255) == 0)
// NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET] = 0;
// }
if(WLAN_SMART_CONFIG_FINISHED)
{
/* Decrypt configuration information and add profile */
wlan_profile_index = wlan_smart_config_process();
}
if(wlan_profile_index != -1)
{
NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET] = wlan_profile_index + 1;
}
/* write count of wlan profiles stored */
nvmem_write(NVMEM_SPARK_FILE_ID, 1, WLAN_PROFILE_FILE_OFFSET, &NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET]);
/* Configure to connect automatically to the AP retrieved in the Smart config process */
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, ENABLE);
NVMEM_Spark_File_Data[WLAN_POLICY_FILE_OFFSET] = 1;
nvmem_write(NVMEM_SPARK_FILE_ID, 1, WLAN_POLICY_FILE_OFFSET, &NVMEM_Spark_File_Data[WLAN_POLICY_FILE_OFFSET]);
/* Reset the CC3000 */
wlan_stop();
Delay(100);
wlan_start(0);
SPARK_WLAN_STARTED = 1;
/* Mask out all non-required events */
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE | HCI_EVNT_WLAN_UNSOL_INIT | HCI_EVNT_WLAN_ASYNC_PING_REPORT);
LED_SetRGBColor(RGB_COLOR_GREEN);
LED_On(LED_RGB);
Set_NetApp_Timeout();
WLAN_SMART_CONFIG_START = 0;
}
/*
* @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 SPARK_WLAN_Setup(void (*presence_announcement_callback)(void))
{
announce_presence = presence_announcement_callback;
/* Initialize CC3000's CS, EN and INT pins to their default states */
CC3000_WIFI_Init();
/* Configure & initialize CC3000 SPI_DMA Interface */
CC3000_SPI_DMA_Init();
/* WLAN On API Implementation */
wlan_init(WLAN_Async_Callback, WLAN_Firmware_Patch, WLAN_Driver_Patch, WLAN_BootLoader_Patch,
CC3000_Read_Interrupt_Pin, CC3000_Interrupt_Enable, CC3000_Interrupt_Disable, CC3000_Write_Enable_Pin);
Delay(100);
/* Trigger a WLAN device */
wlan_start(0);
SPARK_LED_FADE = 0;
SPARK_WLAN_STARTED = 1;
/* Mask out all non-required events from CC3000 */
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE | HCI_EVNT_WLAN_UNSOL_INIT | HCI_EVNT_WLAN_ASYNC_PING_REPORT);
if(NVMEM_SPARK_Reset_SysFlag == 0x0001 || nvmem_read(NVMEM_SPARK_FILE_ID, NVMEM_SPARK_FILE_SIZE, 0, NVMEM_Spark_File_Data) != NVMEM_SPARK_FILE_SIZE)
{
/* Delete all previously stored wlan profiles */
wlan_ioctl_del_profile(255);
/* Create new entry for Spark File in CC3000 EEPROM */
nvmem_create_entry(NVMEM_SPARK_FILE_ID, NVMEM_SPARK_FILE_SIZE);
memset(NVMEM_Spark_File_Data,0, arraySize(NVMEM_Spark_File_Data));
nvmem_write(NVMEM_SPARK_FILE_ID, NVMEM_SPARK_FILE_SIZE, 0, NVMEM_Spark_File_Data);
NVMEM_SPARK_Reset_SysFlag = 0x0000;
Save_SystemFlags();
}
if(WLAN_MANUAL_CONNECT == 0)
{
if(NVMEM_Spark_File_Data[WLAN_PROFILE_FILE_OFFSET] == 0)
{
WLAN_SMART_CONFIG_START = 1;
}
else if(NVMEM_Spark_File_Data[WLAN_POLICY_FILE_OFFSET] == 0)
{
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, ENABLE);
NVMEM_Spark_File_Data[WLAN_POLICY_FILE_OFFSET] = 1;
nvmem_write(NVMEM_SPARK_FILE_ID, 1, WLAN_POLICY_FILE_OFFSET, &NVMEM_Spark_File_Data[WLAN_POLICY_FILE_OFFSET]);
}
}
if((WLAN_MANUAL_CONNECT > 0) || !WLAN_SMART_CONFIG_START)
{
LED_SetRGBColor(RGB_COLOR_GREEN);
LED_On(LED_RGB);
}
nvmem_read_sp_version(patchVer);
if (patchVer[1] == 24)//19 for old patch
{
/* Latest Patch Available after flashing "cc3000-patch-programmer.bin" */
}
Clear_NetApp_Dhcp();
Set_NetApp_Timeout();
}
/*------------------------------------------------------------------------
Spider_SmartConfig
Use Smart config function set Spider connect to a exist AP.
return 0, Connect success.
-----------------------------------------------------------------------*/
int Spider_SmartConfig(void){
SmartConfigFinished = 0;
SpiderConnected = 0;
SpiderDHCP = 0;
SpiderCanShutDown = 0;
// Reset all the previous configuration
wlan_ioctl_set_connection_policy(0, 0, 0);
wlan_ioctl_del_profile(255);
//Wait until Spider is disconnected
while (SpiderConnected == 1){
delay(1);
hci_unsolicited_event_handler();
}
// create new entry for AES encryption key
nvmem_create_entry(NVMEM_AES128_KEY_FILEID, AES128_KEY_SIZE);
// write AES key to NVMEM
aes_write_key((unsigned char *)(&SmartConfig_key[0]));
// Start blinking LED1 during Smart Configuration process
digitalWrite(13, HIGH);
wlan_smart_config_set_prefix((char*)SmartConfig_prefix);
digitalWrite(13, LOW);
// Start the SmartConfig start process
if(wlan_smart_config_start(0) != 0){
return -1;
}
// Wait for Smart config to finish
while (SmartConfigFinished == 0){
digitalWrite(13, HIGH);
delay(500);
digitalWrite(13, LOW);
delay(500);
}
digitalWrite(13, LOW);
// Decrypt configuration information and add profile
//wlan_smart_config_process();
#if 1
// Configure to connect automatically to the AP retrieved in the
// Smart config process
wlan_ioctl_set_connection_policy(0, 0, 1);
// reset the CC3000
wlan_stop();
delay(100);
wlan_start(0);
// Set CC3000 event masking, right now without ping report.
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
#endif
return 0;
}
void StartSmartConfig(void)
{
ulSmartConfigFinished = 0;
ulCC3000Connected = 0;
ulCC3000DHCP = 0;
OkToDoShutDown=0;
// Reset all the previous configuration
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, DISABLE);
wlan_ioctl_del_profile(255);
//Wait until CC3000 is disconnected
while (ulCC3000Connected == 1)
{
SysCtlDelay(100);
hci_unsolicited_event_handler();
}
// Start blinking LED1 during Smart Configuration process
turnLedOn(1);
wlan_smart_config_set_prefix((char*)aucCC3000_prefix);
turnLedOff(1);
// Start the SmartConfig start process
wlan_smart_config_start(1);
turnLedOn(1);
// Wait for Smart config to finish
while (ulSmartConfigFinished == 0)
{
turnLedOff(1);
SysCtlDelay(16500000);
turnLedOn(1);
SysCtlDelay(16500000);
}
turnLedOn(1);
// create new entry for AES encryption key
nvmem_create_entry(NVMEM_AES128_KEY_FILEID,16);
// write AES key to NVMEM
aes_write_key((unsigned char *)(&smartconfigkey[0]));
// Decrypt configuration information and add profile
wlan_smart_config_process();
// Configure to connect automatically to the AP retrieved in the
// Smart config process
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, ENABLE);
// reset the CC3000
wlan_stop();
DispatcherUartSendPacket((unsigned char*)pucUARTCommandSmartConfigDoneString,
sizeof(pucUARTCommandSmartConfigDoneString));
SysCtlDelay(100000);
wlan_start(0);
// Mask out all non-required events
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|
HCI_EVNT_WLAN_ASYNC_PING_REPORT);
}
void main (void)
{
unsigned long wake_utt;
int rc;
long lrc;
char as_text[BSP430_UPTIME_AS_TEXT_LENGTH];
uint32_u ntp_addr;
uint32_u self_addr;
vBSP430platformInitialize_ni();
(void)iBSP430consoleInitialize();
cprintf("\nntp " __DATE__ " " __TIME__ "\n");
/* Initialization can be done with interrupts disabled, since the
* function does nothing but store callbacks. We use the same
* callback for all three update capabilities. */
rc = iBSP430cc3000spiInitialize(wlan_cb, NULL, NULL, NULL);
if (0 > rc) {
cprintf("ERR: Initialization failed: %d\n", rc);
return;
}
BSP430_CORE_ENABLE_INTERRUPT();
/* Local addresses use all zeros for inet addr. bind does not
* support dynamic assignment of unused port through sin_port=0. */
memset(&local_addr, 0, sizeof(local_addr));
local_addr.sai.sin_family = AF_INET;
local_addr.sai.sin_port = htons(60123);
/* Remote server will be determined by DNS from the NTP pool once we
* start. */
remote_addr = local_addr;
remote_addr.sai.sin_port = htons(123);
ntp_addr.u32 = 0;
self_addr.u32 = 0;
cprintf("Remote: %s:%u\n", net_ipv4AsText(&remote_addr.sai.sin_addr), ntohs(remote_addr.sai.sin_port));
rc = sizeof(sBSP430uptimeNTPPacketHeader);
if (48 != rc) {
cprintf("ERR: NTP header size %d\n", rc);
return;
}
wake_utt = ulBSP430uptime();
(void)rc;
while (1) {
unsigned long timeout_utt;
do {
tNetappIpconfigRetArgs ipc;
unsigned long start_utt;
unsigned long finished_utt;
int sfd;
int nfds;
fd_set rfds;
int servers_left;
int retries_left;
/* Clear everything as we're starting a cycle */
BSP430_CORE_DISABLE_INTERRUPT();
do {
event_flags_v = 0;
start_utt = ulBSP430uptime_ni();
} while (0);
BSP430_CORE_ENABLE_INTERRUPT();
/* Start the WAN process. This is asynchronous; wait up to 2
* seconds for it to complete. */
cprintf("%s: ", xBSP430uptimeAsText(start_utt, as_text));
cputchar('W');
wlan_start(0);
vBSP430ledSet(BSP430_LED_RED, 1);
(void)wlan_set_event_mask(0UL);
lrc = BSP430_UPTIME_MS_TO_UTT(2000);
timeout_utt = ulBSP430uptime() + lrc;
while ((! (EVENT_FLAG_WLANCONN & event_flags_v))
&& (0 < ((lrc = lBSP430uptimeSleepUntil(timeout_utt, LPM0_bits))))) {
}
if (! (EVENT_FLAG_WLANCONN & event_flags_v)) {
cprintf("WLAN start failed\n");
break;
}
/* Wait for IP connectivity (signalled by a DHCP event).
* Continue using the previous timeout. */
cputchar('D');
while ((! (EVENT_FLAG_IPCONN & event_flags_v))
&& (0 < ((lrc = lBSP430uptimeSleepUntil(timeout_utt, LPM0_bits))))) {
}
if (! (EVENT_FLAG_IPCONN & event_flags_v)) {
cprintf("IP conn failed\n");
break;
}
/* Inspect the IP configuration. Sometimes we get the event,
* but there's no IP assigned. */
netapp_ipconfig(&ipc);
memcpy(self_addr.u8, ipc.aucIP, sizeof(self_addr));
if (! self_addr.u32) {
cprintf("IP assignment failed\n");
break;
}
vBSP430ledSet(BSP430_LED_GREEN, 1);
/* Obtain a UDP socket and bind it for local operations. */
cputchar('I');
sfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (0 > sfd) {
cprintf("socket() failed: %d\n", sfd);
break;
}
cputchar('S');
lrc = bind(sfd, &local_addr.sa, sizeof(local_addr.sa));
if (0 > lrc) {
cprintf("bind() failed: %ld\n", lrc);
break;
}
cputchar('B');
servers_left = NTP_SERVERS_PER_ATTEMPT;
retries_left = NTP_REQUESTS_PER_SERVER;
do {
sBSP430uptimeNTPPacketHeader ntp0;
sBSP430uptimeNTPPacketHeader ntp1;
int have_invalid_epoch;
struct timeval tv;
sockaddr_u src;
socklen_t slen = sizeof(src);
unsigned long recv_utt;
uint64_t recv_ntp;
int64_t adjustment_ntp;
long adjustment_ms;
unsigned long rtt_us;
have_invalid_epoch = 0 != iBSP430uptimeCheckEpochValidity();
if (! remote_addr.sai.sin_addr.s_addr) {
const char ntp_fqdn[] = "0.pool.ntp.org";
ntp_addr.u32 = 0;
rc = gethostbyname((char *)ntp_fqdn, sizeof(ntp_fqdn)-1, &ntp_addr.u32);
cputchar('d');
if (-95 == rc) { /* ARP request failed; retry usually works */
rc = gethostbyname((char *)ntp_fqdn, sizeof(ntp_fqdn)-1, &ntp_addr.u32);
cputchar('d');
}
if (0 == ntp_addr.u32) {
cprintf("gethostbyname(%s) failed: %d\n", ntp_fqdn, rc);
rc = -1;
break;
}
remote_addr.sai.sin_addr.s_addr = htonl(ntp_addr.u32);
cprintf("{%s}", net_ipv4AsText(&remote_addr.sai.sin_addr));
retries_left = NTP_REQUESTS_PER_SERVER;
}
/* Configure the NTP request and send it */
iBSP430uptimeInitializeNTPRequest(&ntp0);
iBSP430uptimeSetNTPXmtField(&ntp0, NULL);
BSP430_CORE_DISABLE_INTERRUPT();
do {
/* Clear the shutdown bit, so we know when it's ok to shut
* down after this send */
event_flags_v &= ~EVENT_FLAG_SHUTDOWN;
} while (0);
BSP430_CORE_ENABLE_INTERRUPT();
rc = sendto(sfd, &ntp0, sizeof(ntp0), 0, &remote_addr.sa, sizeof(remote_addr.sai));
if (sizeof(ntp0) != rc) {
cprintf("sendto %s:%u failed: %d\n", net_ipv4AsText(&remote_addr.sai.sin_addr), ntohs(remote_addr.sai.sin_port), rc);
rc = -1;
break;
}
cputchar('s');
/* If we get an answer it should be here in less than 100
* ms, but give it 400 ms just to be kind. */
tv.tv_sec = 0;
tv.tv_usec = 400000UL;
FD_ZERO(&rfds);
FD_SET(sfd, &rfds);
nfds = sfd+1;
rc = select(nfds, &rfds, NULL, NULL, &tv);
if (! FD_ISSET(sfd, &rfds)) {
/* We didn't get an answer. If there are any retries left, use them. */
if (0 < retries_left--) {
rc = 1;
continue;
}
/* No retries left on this server: forget about it. If
* there are any servers left, try another. */
cputchar('!');
remote_addr.sai.sin_addr.s_addr = 0;
if (0 < servers_left--) {
rc = 1;
continue;
}
/* No retries from all available servers. Fail this attempt */
cprintf("no responsive NTP server found\n");
rc = -1;
break;
}
/* Got a response. Record the time it came in and then read
* it (no high-resolution packet RX time available, but we
* believe it's here already so set the RX time first). The
* message is unacceptable if it isn't an NTP packet. */
recv_utt = ulBSP430uptime();
rc = recvfrom(sfd, &ntp1, sizeof(ntp1), 0, &src.sa, &slen);
if (sizeof(ntp1) != rc) {
cprintf("recv failed: %d\n", rc);
rc = -1;
break;
}
cputchar('r');
/* Convert the RX time to NTP, then process the message to
* determine the offset. */
rc = iBSP430uptimeAsNTP(recv_utt, &recv_ntp, have_invalid_epoch);
if (0 != rc) {
cprintf("NTP decode failed: %d\n", rc);
continue;
}
rc = iBSP430uptimeProcessNTPResponse(&ntp0, &ntp1, recv_ntp, &adjustment_ntp, &adjustment_ms, &rtt_us);
if (0 != rc) {
cprintf("Process failed: %d\n", rc);
continue;
}
if (have_invalid_epoch) {
rc = iBSP430uptimeSetEpochFromNTP(BSP430_UPTIME_BYPASS_EPOCH_NTP + adjustment_ntp);
cputchar('E');
if (0 != rc) {
cprintf("\nERR: SetEpoch failed: %d\n", rc);
}
#if (NTP_ADJUST_EACH_ITER - 0)
} else {
rc = iBSP430uptimeAdjustEpochFromNTP(adjustment_ntp);
cputchar('A');
if (0 != rc) {
cprintf("\nERR: AdjustEpoch failed: %d\n", rc);
}
#endif
}
cprintf("[%s:%u adj %lld ntp = %ld ms, rtt %lu us]",
net_ipv4AsText(&remote_addr.sai.sin_addr), ntohs(remote_addr.sai.sin_port),
adjustment_ntp, adjustment_ms, rtt_us);
} while (0 != rc);
if (0 != rc) {
cprintf("NTP query failed\n");
break;
}
#if 0
/* The shutdown OK seems to arrive about 1000 ms after the last
* transmit, which is unnecessarily long. As we're not doing
* TCP, there's no reason to wait for it. */
lrc = BSP430_UPTIME_MS_TO_UTT(4000);
timeout_utt = ulBSP430uptime() + lrc;
while ((! (EVENT_FLAG_SHUTDOWN & event_flags_v))
&& (0 < ((lrc = lBSP430uptimeSleepUntil(timeout_utt, LPM0_bits))))) {
}
if (! (EVENT_FLAG_SHUTDOWN & event_flags_v)) {
cprintf("SHUTDOWN ok never received\n");
break;
}
#endif
finished_utt = ulBSP430uptime();
cprintf("[%s]\n", xBSP430uptimeAsText(finished_utt - start_utt, as_text));
} while (0);
BSP430_CORE_DISABLE_INTERRUPT();
do {
event_flags_v = 0;
} while (0);
BSP430_CORE_ENABLE_INTERRUPT();
wlan_stop();
vBSP430ledSet(BSP430_LED_GREEN, 0);
vBSP430ledSet(BSP430_LED_RED, 0);
wake_utt += 60 * ulBSP430uptimeConversionFrequency_Hz();
while (0 < lBSP430uptimeSleepUntil(wake_utt, LPM2_bits)) {
}
}
cprintf("Fell off end\n");
}
