static void linkTo()
{
uint8_t msg[10], delay = 0;
memset(msg, 0, 10);
while (SMPL_SUCCESS != SMPL_Link(&sLinkID1))
{
/* blink LEDs until we link successfully */
toggleLED(1);
toggleLED(2);
SPIN_ABOUT_A_SECOND;
}
/* we're linked. turn off red LED. received messages will toggle the green LED. */
if (BSP_LED2_IS_ON())
{
toggleLED(2);
}
/* turn on RX. default is RX off. */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXON, 0);
/* put LED to toggle in the message */
msg[0] = 2; /* toggle red */
while (1)
{
__bis_SR_register(LPM4_bits + GIE); // Enter LPM4 w/interrupt
SPIN_ABOUT_A_SECOND;
if (delay > 0x00)
{
SPIN_ABOUT_A_SECOND;
}
if (delay > 0x01)
{
SPIN_ABOUT_A_SECOND;
}
if (delay > 0x02)
{
SPIN_ABOUT_A_SECOND;
}
/* delay longer and longer -- then start over */
delay = (delay+1) & 0x03;
/* put the sequence ID in the message */
msg[9] = ++sTxTid;
ReadRTCCTimeDate(&Rtcctimedate);
/* put data into packet */
msg[1] = Rtcctimedate.Sec;
msg[2] = Rtcctimedate.Min;
msg[3] = Rtcctimedate.Hour;
msg[4] = Rtcctimedate.Day;
msg[5] = Rtcctimedate.Date;
msg[6] = Rtcctimedate.Month;
msg[7] = Rtcctimedate.Year;
SMPL_Send(sLinkID1, msg, sizeof(msg));
}
}
//*****************************************************************************
//
// This function attempts to link to another SimpliciTI device by sending a
// link request.
//
//*****************************************************************************
tBoolean
LinkTo(void)
{
smplStatus_t eRetcode;
unsigned long ulCount;
//
// Turn both "LEDs" on.
//
SetLED(1, true);
SetLED(2, true);
//
// Tell SimpliciTI to try to link to an access point.
//
for(ulCount = 1; ulCount <= 10; ulCount++)
{
//
// Update the displayed count. Note that we must process the widget
// message queue here to ensure that the change makes it onto the
// display.
//
UpdateStatus(false, "Link request %d (%s)", ulCount,
(ulCount > 1) ? MapSMPLStatus(eRetcode) : "Waiting");
WidgetMessageQueueProcess();
//
// Try to link to the access point.
//
eRetcode = SMPL_Link(&sLinkID);
if(eRetcode == SMPL_SUCCESS)
{
break;
}
//
// Wait a bit before trying again.
//
NWK_DELAY(1000);
//
// Toggle both the LEDs
//
ToggleLED(1);
ToggleLED(2);
}
//
// Did we manage to link to the access point?
//
if(eRetcode == SMPL_SUCCESS)
{
//
// Tell the user how we got on.
//
UpdateStatus(false, "Link successful.");
SetLED(2, false);
//
// Turn on RX. Default is off.
//
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXON, 0);
//
// Set the time at which we have to send the next packet to our peer to
// one second in the future.
//
g_ulNextPacketTick = g_ulSysTickCount + TICKS_PER_SECOND;
//
// Tell the main loop that we established communication successfully.
//
return(true);
}
else
{
UpdateStatus(false, "Failed to link.");
//
// Tell the main loop that we failed to establish communication.
//
return(false);
}
}
static void linkTo()
{
uint8_t msg[2];
uint8_t button, misses, done;
/* Keep trying to link... */
while (SMPL_SUCCESS != SMPL_Link(&sLinkID1))
{
toggleLED(1);
toggleLED(2);
SPIN_ABOUT_A_SECOND;
}
/* Turn off LEDs. */
if (BSP_LED2_IS_ON())
{
toggleLED(2);
}
if (BSP_LED1_IS_ON())
{
toggleLED(1);
}
/* sleep until button press... */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
while (1)
{
button = 0;
/* Send a message when either button pressed */
if (BSP_BUTTON1())
{
SPIN_ABOUT_A_QUARTER_SECOND; /* debounce... */
/* Message to toggle LED 1. */
button = 1;
}
else if (BSP_BUTTON2())
{
SPIN_ABOUT_A_QUARTER_SECOND; /* debounce... */
/* Message to toggle LED 2. */
button = 2;
}
if (button)
{
uint8_t noAck;
smplStatus_t rc;
/* get radio ready...awakens in idle state */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_AWAKE, 0);
/* Set TID and designate which LED to toggle */
msg[1] = ++sTid;
msg[0] = (button == 1) ? 1 : 2;
done = 0;
while (!done)
{
noAck = 0;
/* Try sending message MISSES_IN_A_ROW times looking for ack */
for (misses=0; misses < MISSES_IN_A_ROW; ++misses)
{
if (SMPL_SUCCESS == (rc=SMPL_SendOpt(sLinkID1, msg, sizeof(msg), SMPL_TXOPTION_ACKREQ)))
{
/* Message acked. We're done. Toggle LED 1 to indicate ack received. */
toggleLED(1);
break;
}
if (SMPL_NO_ACK == rc)
{
/* Count ack failures. Could also fail becuase of CCA and
* we don't want to scan in this case.
*/
noAck++;
}
}
if (MISSES_IN_A_ROW == noAck)
{
/* Message not acked. Toggle LED 2. */
toggleLED(2);
#ifdef FREQUENCY_AGILITY
/* Assume we're on the wrong channel so look for channel by
* using the Ping to initiate a scan when it gets no reply. With
* a successful ping try sending the message again. Otherwise,
* for any error we get we will wait until the next button
* press to try again.
*/
if (SMPL_SUCCESS != SMPL_Ping(sLinkID1))
{
done = 1;
}
#else
done = 1;
#endif /* FREQUENCY_AGILITY */
}
else
{
/* Got the ack or we don't care. We're done. */
done = 1;
}
}
/* radio back to sleep */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
}
}
}
void main(void)
{
sensor.cadc = 'A';
sensor.iadc = 125;
trigger(0x5 + (0x6 << 3) + (0x1 << 6) + (0x7 << 9));
BSP_Init(); // init bsp first, then simpliciti
BCSCTL3 = LFXT1S_2; // aclk = vlo
// address check and creation
Flash_Addr = (char *)0x10F0; // RF Address = 0x10F0
if( Flash_Addr[0] == 0xFF && // Check if device Address is missing
Flash_Addr[1] == 0xFF &&
Flash_Addr[2] == 0xFF &&
Flash_Addr[3] == 0xFF )
{
createRandomAddress(); // Create Random device address at
} // initial startup if missing
lAddr.addr[0] = Flash_Addr[0];
lAddr.addr[1] = Flash_Addr[1];
lAddr.addr[2] = Flash_Addr[2];
lAddr.addr[3] = Flash_Addr[3];
// load address
SMPL_Ioctl(IOCTL_OBJ_ADDR, IOCTL_ACT_SET, &lAddr);
SMPL_Init(NULL); // null callback for TX
Init_ADC10();
Init_TIMER0A0();
do { // wait for button
if (BSP_BUTTON1())
{
break;
}
} while (1);
while (SMPL_SUCCESS != SMPL_Link(&linkIDTemp)) // link to Rx
{
BSP_TOGGLE_LED1(); // toggle red for not linked
}
BSP_TURN_OFF_LED1(); // red off
BSP_Delay(2000); // for 2 seconds
BSP_TURN_ON_LED1();
_EINT(); // Enable Global Interupts
while (1)
{
BSP_TOGGLE_LED2();
// adc with dtc in use
ADC10CTL0 &= ~ENC; // turn off adc10
while (ADC10CTL1 & BUSY); // wait if adc10 core is active
ADC10SA = (unsigned int)ADCdata; // data buffer start
ADC10CTL0 |= ENC + ADC10SC; // sampling and conversion start
LPM3;
// insert sensor calculations here
// or
// send raw adc data from P1.0
sensor.iadc = ADCdata[0];
// turn on radio and tx sensor struct
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_AWAKE, 0);
SMPL_Send(linkIDTemp, (uint8_t *)&sensor, sizeof( my_sensors ));
}
}
// *************************************************************************************************
// @fn simpliciti_link
// @brief Init hardware and try to link to access point.
// @param none
// @return unsigned char 0 = Could not link, timeout or external cancel.
// 1 = Linked successful.
// *************************************************************************************************
unsigned char simpliciti_link(void)
{
uint8_t timeout;
addr_t lAddr;
uint8_t i;
uint8_t pwr;
// Configure timer
BSP_InitBoard();
// Change network address to value set in calling function
for (i = 0; i < NET_ADDR_SIZE; i++)
{
lAddr.addr[i] = simpliciti_ed_address[i];
}
SMPL_Ioctl(IOCTL_OBJ_ADDR, IOCTL_ACT_SET, &lAddr);
// Set flag
simpliciti_flag = SIMPLICITI_STATUS_LINKING;
/* Keep trying to join (a side effect of successful initialization) until
* successful. Toggle LEDS to indicate that joining has not occurred.
*/
timeout = 0;
while (SMPL_SUCCESS != SMPL_Init(0))
{
NWK_DELAY(1000);
// Service watchdog
WDTCTL = WDTPW + WDTIS__512K + WDTSSEL__ACLK + WDTCNTCL;
// Stop connecting after defined numbers of seconds (15)
if (timeout++ > TIMEOUT)
{
// Clean up SimpliciTI stack to enable restarting
sInit_done = 0;
simpliciti_flag = SIMPLICITI_STATUS_ERROR;
return (0);
}
// Break when flag bit SIMPLICITI_TRIGGER_STOP is set
if (getFlag(simpliciti_flag, SIMPLICITI_TRIGGER_STOP))
{
// Clean up SimpliciTI stack to enable restarting
sInit_done = 0;
return (0);
}
}
// Set output power to +3.3dmB
pwr = IOCTL_LEVEL_2;
SMPL_Ioctl(IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SETPWR, &pwr);
/* Unconditional link to AP which is listening due to successful join. */
timeout = 0;
while (SMPL_SUCCESS != SMPL_Link(&sLinkID1))
{
NWK_DELAY(1000);
// Service watchdog
WDTCTL = WDTPW + WDTIS__512K + WDTSSEL__ACLK + WDTCNTCL;
// Stop linking after timeout
if (timeout++ > TIMEOUT)
{
// Clean up SimpliciTI stack to enable restarting
sInit_done = 0;
simpliciti_flag = SIMPLICITI_STATUS_ERROR;
return (0);
}
// Exit when flag bit SIMPLICITI_TRIGGER_STOP is set
if (getFlag(simpliciti_flag, SIMPLICITI_TRIGGER_STOP))
{
// Clean up SimpliciTI stack to enable restarting
sInit_done = 0;
return (0);
}
}
simpliciti_flag = SIMPLICITI_STATUS_LINKED;
return (1);
}
void main1 (void)
{
/* holds length of current message */
uint8_t len;
/* the link token */
linkID_t LinkID = 0;
/* the transmit and receive buffers */
uint8_t rx[MAX_APP_PAYLOAD], tx[MAX_APP_PAYLOAD];
/* holds led indicator time out counts */
uint16_t led_tmr;
int8_t rssi_value;
BSP_Init( );
SMPL_Init( NULL );
uart_intfc_init( );
/* turn on the radio so we are always able to receive data asynchronously */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXON, NULL );
/* turn on LED. */
BSP_TURN_ON_LED1( );
#ifdef LINK_TO
{
uint8_t cnt = 0;
tx_send_wait( "Linking to...\r\n", 15 );
while (SMPL_SUCCESS != SMPL_Link(&LinkID))
if( cnt++ == 0 )
{
/* blink LED until we link successfully */
BSP_TOGGLE_LED1( );
}
}
#else // ifdef LINK_LISTEN
tx_send_wait( "Listening for Link...\r\n", 23 );
while (SMPL_SUCCESS != SMPL_LinkListen(&LinkID))
{
/* blink LED until we link successfully */
BSP_TOGGLE_LED1( );
}
#endif
tx_send_wait( "Link Established!\r\nReady...\r\n", 29 );
/* turn off the led */
BSP_TURN_OFF_LED1( );
main_loop:
/* Check to see if we received any characters from the other radio
* and if we have send them out the uart and reset indicator timeout.
* Prioritize on radio received links as that buffer is the most time
* critical with respect to the UART buffers.
*/
if( SMPL_Receive( LinkID, tx, &len ) == SMPL_SUCCESS )
{
/* blocking call but should be ok if both ends have same uart buad rate */
//tx_send_wait( tx, len );
led_tmr = INDICATOR_TIME_OUT; /* update activity time out */
/*
int8_t dbm;
SMPL_Ioctl(IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RSSI, (void *)&dbm);
sSample= dbm;
tx_send_wait(&char2send, 1 );//input only (unsigned char)
tx_send_wait("\n", 1 );*/
unsigned char Test2;
//unsigned char Test;
rssi_value = 0 ;
ioctlRadioSiginfo_t sigInfo1;
sigInfo1.lid=LinkID;
smplStatus_t SMPL_SUCCESS = SMPL_Ioctl(IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SIGINFO, (void *)&sigInfo1);
//if( SMPL_SUCCESS == SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RSSI,(void*)&rssi_value) )
{
//transmitData( i, (signed char)sigInfo.sigInfo.rssi, (char*)msg );
//MRFI_Rssi()
//Test2=RSSI;
//Test=rssi_value;
//int8_t i =-127;
//int i =-127;
unsigned char rssi_tmp[10];
int8_t rssi_int = sigInfo1.sigInfo.rssi;
itoa(rssi_int,rssi_tmp);
//tx_send_wait("This is Test :", sizeof("This is Test :") );
//tx_send_wait(&Test2, strlen(&Test2));
tx_send_wait(&rssi_tmp, strlen(rssi_tmp));
//tx_send_wait("\r\n", sizeof("\r\n") );
int8_t mk=0x01,bitshift=0;
tx_send_wait("=",1);
for (bitshift=0;bitshift<8;bitshift++)
{
if( (mk<<bitshift) & rssi_int )
tx_send_wait("1",1);
else
tx_send_wait("0",1);
//tx_send_wait("x",1);
MRFI_DelayMs( 5 );
}
tx_send_wait("\r\n", sizeof("\r\n") );
/*
tx_send_wait("This is Test2 :", sizeof("This is Test2 :") );
tx_send_wait( &Test2, sizeof(Test2) );
tx_send_wait("\n", sizeof("\n") );
*/
}
}
FHSS_ACTIVE( if( nwk_pllBackgrounder( false ) != false ) );
{
/* check to see if the host has sent any characters and if it has
* then send them over the radio link and reset indicator timeout.
*/
len = rx_receive( rx, MAX_APP_PAYLOAD );
if( len != 0 )
{
while( SMPL_Send( LinkID, rx, len ) != SMPL_SUCCESS )
;
/*
if( SMPL_SUCCESS == SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RSSI,&rssi_value ) ){
SMPL_Send( LinkID, &rssi_value, sizeof(rssi_value) );
}*/
led_tmr = INDICATOR_TIME_OUT; /* update activity time out */
/* By forcing a minimum delay between transmissions we guarantee
* a window for receiving packets. This is necessary as the radio
* link is half duplex while the UART is full duplex. Without this
* delay mechanism, packets can get lost as both ends may attempt to
* transmit at the same time which the CCA algorithm fails to handle.
*/
MRFI_DelayMs( 5 );
}
}
/* manage led indicator */
if( led_tmr != 0 )
{
led_tmr--;
BSP_TURN_ON_LED1( );
}
else
BSP_TURN_OFF_LED1( );
goto main_loop; /* do it again and again and again and ... */
}
//*****************************************************************************
//
// This function attempts to link to another SimpliciTI device by sending a
// link request.
//
//*****************************************************************************
tBoolean
LinkTo(void)
{
linkID_t linkID1;
uint8_t pucMsg[2], ucWrap;
unsigned long ulCount;
smplStatus_t eRetcode;
//
// Our message counter hasn't wrapped.
//
ucWrap = 0;
//
// Turn on LED 2
//
SetLED(2, true);
//
// Tell the user what we're doing.
//
UpdateStatus(false, "Attempting to link...");
//
// Try to link for about 10 seconds.
//
for(ulCount = 0; ulCount < LINK_TIMEOUT_SECONDS; ulCount++)
{
//
// Try to link.
//
eRetcode = SMPL_Link(&linkID1);
//
// Did we succeed?
//
if(eRetcode == SMPL_SUCCESS)
{
//
// Yes - drop out of the loop.
//
break;
}
//
// We didn't link so toggle the LEDs, wait a bit then try again.
//
ToggleLED(1);
ToggleLED(2);
SPIN_ABOUT_A_SECOND;
}
//
// Did the link succeed?
//
if(eRetcode != SMPL_SUCCESS)
{
//
// No - return an error code.
//
UpdateStatus(false, "Failed to link!");
return(false);
}
else
{
UpdateStatus(false, "Link succeeded.");
}
//
// Turn off the second LED now that we have linked.
//
SetLED(2, false);
#ifdef FREQUENCY_AGILITY
//
// The radio comes up with Rx off. If Frequency Agility is enabled we need
// it to be on so we don't miss a channel change broadcast. We need to
// hear this since this application has no ack. The broadcast from the AP
// is, therefore, the only way to find out about a channel change.
//
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXON, 0);
#endif
//
// Set up the initial message and message counter.
//
pucMsg[0] = 2;
pucMsg[1] = ++g_ucTid;
ulCount = 0;
//
// We've linked successfully so drop into an infinite loop during which
// we send messages to the receiver every 5 seconds or so.
//
while (1)
{
//
// Send a message every 5 seconds. This could be emulating a sleep.
//
#ifndef FREQUENCY_AGILITY
//
// If Frequency Agility is disabled we don't need to listen for the
// broadcast channel change command.
//
SMPL_Ioctl(IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
#endif
//
// Kill about 5 seconds.
//
SPIN_ABOUT_A_SECOND;
SPIN_ABOUT_A_SECOND;
SPIN_ABOUT_A_SECOND;
SPIN_ABOUT_A_SECOND;
SPIN_ABOUT_A_SECOND;
#ifndef FREQUENCY_AGILITY
//
// See comment above...If Frequency Agility is not enabled we never
// listen so it is OK if we just awaken leaving Rx off.
//
SMPL_Ioctl(IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_AWAKE, 0);
#endif
//
// Send a message.
//
eRetcode = SMPL_Send(linkID1, pucMsg, sizeof(pucMsg));
if (SMPL_SUCCESS == eRetcode)
{
//
// Toggle LED 1 to indicate that we sent something.
//
ToggleLED(1);
//
// Set up the next message. Every 8th message toggle LED 1 instead
// of LED 2 on the receiver.
//
pucMsg[0] = (++ucWrap & 0x7) ? 2 : 1;
pucMsg[1] = ++g_ucTid;
}
//
// Tell the user what we did.
//
UpdateStatus(false, "Sent msg %d (%s).", ++ulCount,
MapSMPLStatus(eRetcode));
}
}
static void linkTo()
{
uint8_t msg[2];
uint8_t button, misses, done;
/* Keep trying to link... */
while (SMPL_SUCCESS != SMPL_Link(&sLinkID1))
{
toggleLED(1);
toggleLED(2);
SPIN_ABOUT_A_SECOND;
}
/* Turn off LEDs. */
if (BSP_LED2_IS_ON())
{
toggleLED(2);
}
if (BSP_LED1_IS_ON())
{
toggleLED(1);
}
/* sleep until button press... */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
while (1)
{
button = 0;
/* Send a message when either button pressed */
if (BSP_BUTTON1())
{
SPIN_ABOUT_A_QUARTER_SECOND; /* debounce... */
/* Message to toggle LED 1. */
button = 1;
}
else if (BSP_BUTTON2())
{
SPIN_ABOUT_A_QUARTER_SECOND; /* debounce... */
/* Message to toggle LED 2. */
button = 2;
}
if (button)
{
/* get radio ready...awakens in idle state */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_AWAKE, 0);
/* Set TID and designate which LED to toggle */
msg[1] = ++sTid;
msg[0] = (button == 1) ? 1 : 2;
done = 0;
while (!done)
{
for (misses=0; misses < MISSES_IN_A_ROW; ++misses)
{
if (SMPL_SUCCESS == SMPL_Send(sLinkID1, msg, sizeof(msg)))
{
#if defined( FREQUENCY_AGILITY )
/* If macro is defined we're supporting Frequency Agility. In this case
* the peer will acknowledge the message sent. It is the only way we can
* tell if we are on the right channel. Wait for ack.
*/
{
bspIState_t intState;
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXON, 0);
NWK_REPLY_DELAY();
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_RXIDLE, 0);
if (!sPeerFrameSem)
{
/* Try again if we havn't received anything. */
continue;
}
else
{
uint8_t len;
BSP_ENTER_CRITICAL_SECTION(intState);
sPeerFrameSem--;
BSP_EXIT_CRITICAL_SECTION(intState);
/* We got something. Go get it. */
SMPL_Receive(sLinkID1, msg, &len);
if (len && (*msg & NWK_APP_REPLY_BIT))
{
toggleLED(*msg & ~NWK_APP_REPLY_BIT);
break;
}
}
}
#else
/* Not supporting Frequency agility. Just break out since there
* will be no ack.
*/
break;
#endif
}
}
if (misses == MISSES_IN_A_ROW)
{
/* This can only happen if we are supporting Frequency Agility and we
* appear not to have received an acknowledge. Do a scan.
*/
ioctlScanChan_t scan;
freqEntry_t freq[NWK_FREQ_TBL_SIZE];
scan.freq = freq;
SMPL_Ioctl(IOCTL_OBJ_FREQ, IOCTL_ACT_SCAN, &scan);
/* If we now know the channel (number == 1) change to it. In any case
* try it all again. If we changed channels we should get an ack now.
*/
if (1 == scan.numChan)
{
SMPL_Ioctl(IOCTL_OBJ_FREQ, IOCTL_ACT_SET, freq);
}
}
else
{
/* Got the ack. We're done. */
done = 1;
}
}
/* radio back to sleep */
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
}
}
}
//*****************************************************************************
//
// Link to the access point and continue processing local button requests
// forever. This function is called following initialization in main() and
// does not return.
//
//*****************************************************************************
static void
LinkTo(void)
{
uint8_t pucMsg[2];
uint8_t ucMisses, ucDone;
uint8_t ucNoAck;
smplStatus_t eRetcode;
unsigned long ulButton;
UpdateStatus(false, "Linking to Access Point");
//
// Keep trying to link. Flash our "LEDs" while these attempts continue.
//
while (SMPL_SUCCESS != SMPL_Link(&g_sLinkID))
{
ToggleLED(1);
ToggleLED(2);
SPIN_ABOUT_A_SECOND;
}
//
// Turn off both LEDs now that we are linked.
//
SetLED(1, false);
SetLED(2, false);
//
// Tell the user all is well.
//
UpdateStatus(false, "Link successful");
//
// Put the radio to sleep until a button is pressed.
//
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
//
// Start of the main button processing loop.
//
while (1)
{
//
// Grab the button press flag and clear it. We do this since the flag
// could be changed during the loop whenever function
// WidgetMessageQueueProcess() is called and we don't want to miss any
// button presses.
//
ulButton = g_ulButtonPressed;
//
// Has either button been pressed?
//
if (ulButton)
{
//
// Clear the main button press flag.
//
g_ulButtonPressed = 0;
//
// Wake the radio up since we are about to need it.
//
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_AWAKE, 0);
/* Set TID and designate which LED to toggle */
pucMsg[1] = ++g_ucTid;
pucMsg[0] = (ulButton == 1) ? 1 : 2;
ucDone = 0;
while (!ucDone)
{
//
// Remember that we have yet to receive an ack from the AP.
//
ucNoAck = 0;
//
// Try sending the message MISSES_IN_A_ROW times looking for an
// ack after each transmission.
//
for (ucMisses = 0; ucMisses < MISSES_IN_A_ROW; ucMisses++)
{
//
// Send the message and request acknowledgement.
//
eRetcode=SMPL_SendOpt(g_sLinkID, pucMsg, sizeof(pucMsg),
SMPL_TXOPTION_ACKREQ);
//
// Did we get the ack?
//
if (eRetcode == SMPL_SUCCESS)
{
//
// Yes - Message acked. We're done. Toggle LED 1 to
// indicate ack received. */
ToggleLED(1);
break;
}
//
// Did we send the message but fail to get an ack back?
//
if (SMPL_NO_ACK == eRetcode)
{
//
// Count ack failures. Could also fail because of CCA
// and we don't want to scan in this case.
//
ucNoAck++;
}
}
//
// Did we fail to get an ack after every transmission?
//
if (MISSES_IN_A_ROW == ucNoAck)
{
//
// Tell the user what happened.
//
UpdateStatus(false, "Channel changed?");
//
// Message not acked. Toggle LED 2.
//
ToggleLED(2);
#ifdef FREQUENCY_AGILITY
//
// At this point, we assume we're on the wrong channel so
// look for the correct channel by using Ping to initiate a
// scan when it gets no reply. With a successful ping try
// sending the message again. Otherwise, for any error we
// get we will wait until the next button press to try
// again.
//
if (SMPL_SUCCESS != SMPL_Ping(g_sLinkID))
{
ucDone = 1;
}
#else
ucDone = 1;
#endif /* FREQUENCY_AGILITY */
}
else
{
//
// We got the ack so drop out of the transmit loop.
//
ucDone = 1;
UpdateStatus(false, "Toggled AP LED %d", ulButton);
}
}
//
// Now that we are finished with it, put the radio back to sleep.
//
SMPL_Ioctl( IOCTL_OBJ_RADIO, IOCTL_ACT_RADIO_SLEEP, 0);
}
//
// Process the widget message queue.
//
WidgetMessageQueueProcess();
}
}
