interrupt(PORT1_VECTOR) Buttopn(void)
{
P1IFG &= ~0x04;
P1OUT ^= 0x03;
//after press the button , we can send and recieve message
BSP_Init();
MRFI_Init();
MRFI_SetLogicalChannel(1);
MRFI_SetRFPwr(0);
Uart_Init();
MRFI_WakeUp();
MRFI_RxOn();
Scan_Init(&etat); //open timer B for scan
Start_Timer_Surveille(); //open timer for surveille
print("\n\r");
print("command: \n\r");
print("o : who is on line \n\r");
print("v : voisin \n\r");
print("r : router table \n\r");
print("i : sysinfo \n\r");
print("ESC: help \n\r");
}
/**************************************************************************************************
* @fn MRFI_Init
*
* @brief Initialize MRFI.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void MRFI_Init(void)
{
/* ------------------------------------------------------------------
* Run-time integrity checks
* ---------------------------
*/
memset(&mrfiIncomingPacket, 0x0, sizeof(mrfiIncomingPacket));
/* verify the correct radio is installed */
MRFI_ASSERT( CHIPID == MRFI_RADIO_PARTNUM ); /* wrong radio */
MRFI_ASSERT( CHVER >= MRFI_RADIO_MIN_VERSION ); /* obsolete radio version */
/* ------------------------------------------------------------------
* Configure IO ports
* ---------------------------
*/
#if defined(MRFI_PA_LNA_ENABLED) && defined(BSP_BOARD_SRF04EB)
MRFI_BOARD_PA_LNA_CONFIG_PORTS();
MRFI_BOARD_PA_LNA_HGM();
#endif
/* ------------------------------------------------------------------
* Configure clock to use XOSC
* -----------------------------
*/
SLEEPCMD &= ~OSC_PD; /* turn on 16MHz RC and 32MHz XOSC */
while (!(SLEEPSTA & XOSC_STB)); /* wait for 32MHz XOSC stable */
asm("NOP"); /* chip bug workaround */
{
uint16_t i;
/* Require 63us delay for all revs */
for (i=0; i<504; i++)
{
asm("NOP");
}
}
CLKCONCMD = (0x00 | OSC_32KHZ); /* 32MHz XOSC */
while (CLKCONSTA != (0x00 | OSC_32KHZ));
SLEEPCMD |= OSC_PD; /* turn off 16MHz RC */
/* Configure radio registers that should be different from reset values. */
Mrfi_RadioRegConfig();
/* ------------------------------------------------------------------
* Variable Initialization
* -------------------------
*/
#ifdef MRFI_ASSERTS_ARE_ON
PAN_ID0 = 0xFF;
PAN_ID1 = 0xFF;
#endif
/* ------------------------------------------------------------------
* Initialize Random Seed Value
* -------------------------------
*/
/*
* Set radio for infinite reception. Once radio reaches this state,
* it will stay in receive mode regardless RF activity.
*/
FRMCTRL0 = (FRMCTRL0 & ~RX_MODE_MASK) | RX_MODE_INFINITE_RX;
/* turn on the receiver */
RFST = ISRXON;
/* Wait for RSSI to be valid. Once valid, radio is stable and random bits
* can be read.
*/
MRFI_RSSI_VALID_WAIT();
/* put 16 random bits into the seed value */
{
uint16_t rndSeed;
uint8_t i;
rndSeed = 0;
for(i=0; i<16; i++)
{
/* read random bit to populate the random seed */
rndSeed = (rndSeed << 1) | (RFRND & 0x01);
}
/*
* The seed value must not be zero. If it is, the pseudo random sequence will be always be zero.
* There is an extremely small chance this seed could randomly be zero (more likely some type of
* hardware problem would cause this). To solve this, a single bit is forced to be one. This
* slightly reduces the randomness but guarantees a good seed value.
*/
rndSeed |= 0x0080;
/*
* Two writes to RNDL will set the random seed. A write to RNDL copies current contents
* of RNDL to RNDH before writing new the value to RNDL.
*/
RNDL = rndSeed & 0xFF;
RNDL = rndSeed >> 8;
}
/* turn off the receiver, flush RX FIFO just in case something got in there */
RFST = ISRFOFF;
/* flush the rx buffer */
MRFI_RADIO_FLUSH_RX_BUFFER();
/* take receiver out of infinite reception mode; set back to normal operation */
FRMCTRL0 = (FRMCTRL0 & ~RX_MODE_MASK) | RX_MODE_NORMAL;
/* Initial radio state is OFF state */
mrfiRadioState = MRFI_RADIO_STATE_OFF;
/* ------------------------------------------------------------------
* Configure Radio Registers
* ---------------------------
*/
/* disable address filtering */
FRMFILT0 &= ~FRAME_FILTER_EN;
/* reject beacon/ack/cmd frames and accept only data frames,
* when filtering is enabled.
*/
FRMFILT1 &= ~(ACCEPT_BEACON | ACCEPT_ACK | ACCEPT_CMD);
/* don't enable rx after tx is done. */
FRMCTRL1 &= ~RX_ENABLE_ON_TX;
/* set FIFOP threshold to maximum */
FIFOPCTRL = 127;
/* set default channel */
MRFI_SetLogicalChannel( 0 );
/* set default output power level */
MRFI_SetRFPwr(MRFI_NUM_POWER_SETTINGS - 1);
/* enable general RF interrupts */
IEN2 |= RFIE;
/* ------------------------------------------------------------------
* Final Initialization
* -----------------------
*/
/**********************************************************************************
* Compute reply delay scalar
*
* The IEEE radio has a fixed data rate of 250 Kbps. Data rate inference
* from radio regsiters is not necessary for this radio.
*
* The maximum delay needed depends on the MAX_APP_PAYLOAD parameter. Figure
* out how many bits that will be when overhead is included. Bits/bits-per-second
* is seconds to transmit (or receive) the maximum frame. We multiply this number
* by 1000 to find the time in milliseconds. We then additionally multiply by
* 10 so we can add 5 and divide by 10 later, thus rounding up to the number of
* milliseconds. This last won't matter for slow transmissions but for faster ones
* we want to err on the side of being conservative and making sure the radio is on
* to receive the reply. The semaphore monitor will shut it down. The delay adds in
* a platform fudge factor that includes processing time on peer plus lags in Rx and
* processing time on receiver's side. Also includes round trip delays from CCA
* retries. This portion is included in PLATFORM_FACTOR_CONSTANT defined in mrfi.h.
*
* **********************************************************************************
*/
#define PHY_PREAMBLE_SYNC_BYTES 8
{
uint32_t bits, dataRate = 250000;
bits = ((uint32_t)((PHY_PREAMBLE_SYNC_BYTES + MRFI_MAX_FRAME_SIZE)*8))*10000;
/* processing on the peer + the Tx/Rx time plus more */
sReplyDelayScalar = PLATFORM_FACTOR_CONSTANT + (((bits/dataRate)+5)/10);
}
/*
* Random delay - This prevents devices on the same power source from repeated
* transmit collisions on power up.
*/
Mrfi_RandomBackoffDelay();
/* enable global interrupts */
BSP_ENABLE_INTERRUPTS();
}
smplStatus_t nwk_radioControl(ioctlAction_t action, void *val)
{
smplStatus_t rc = SMPL_SUCCESS;
if (IOCTL_ACT_RADIO_SLEEP == action)
{
/* go to sleep mode. */
MRFI_RxIdle();
MRFI_Sleep();
}
else if (IOCTL_ACT_RADIO_AWAKE == action)
{
MRFI_WakeUp();
#if !defined(END_DEVICE)
MRFI_RxOn();
#endif
}
else if (IOCTL_ACT_RADIO_SIGINFO == action)
{
ioctlRadioSiginfo_t *pSigInfo = (ioctlRadioSiginfo_t *)val;
connInfo_t *pCInfo = nwk_getConnInfo(pSigInfo->lid);
if (!pCInfo)
{
return SMPL_BAD_PARAM;
}
memcpy(&pSigInfo->sigInfo, &pCInfo->sigInfo, sizeof(pCInfo->sigInfo));
}
else if (IOCTL_ACT_RADIO_RSSI == action)
{
*((rssi_t *)val) = MRFI_Rssi();
}
else if (IOCTL_ACT_RADIO_RXON == action)
{
MRFI_RxOn();
}
else if (IOCTL_ACT_RADIO_RXIDLE == action)
{
MRFI_RxIdle();
}
#ifdef EXTENDED_API
else if (IOCTL_ACT_RADIO_SETPWR == action)
{
uint8_t idx;
switch (*(ioctlLevel_t *)val)
{
case IOCTL_LEVEL_2:
idx = 2;
break;
case IOCTL_LEVEL_1:
idx = 1;
break;
case IOCTL_LEVEL_0:
idx = 0;
break;
default:
return SMPL_BAD_PARAM;
}
MRFI_SetRFPwr(idx);
return SMPL_SUCCESS;
}
#endif /* EXTENDED_API */
else
{
rc = SMPL_BAD_PARAM;
}
return rc;
}
/**************************************************************************************************
* @fn MRFI_Init
*
* @brief Initialize MRFI.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void MRFI_Init(void)
{
memset(&mrfiIncomingPacket, 0x0, sizeof(mrfiIncomingPacket));
/* Configure Output lines */
MRFI_CONFIG_RESETN_PIN_AS_OUTPUT();
MRFI_CONFIG_VREG_EN_PIN_AS_OUTPUT();
/* Configure Input lines */
MRFI_CONFIG_TX_FRAME_DONE_AS_INPUT();
MRFI_CONFIG_FIFO_AS_INPUT();
MRFI_CONFIG_FIFOP_AS_INPUT();
/* Initialize SPI */
mrfiSpiInit();
/* Power up the radio chip */
Mrfi_TurnOnRadioPower();
/* Confirm that we are talking to the right hardware */
MRFI_ASSERT(mrfiSpiReadReg(CHIPID) == MRFI_RADIO_PARTNUM);
/* Random Number Generator:
* The seed value for the randon number generator logic
* is derived from the radio.
*/
/* Set radio in rx mode, but with symbol search disabled. Used for RSSI
* measurments or when we don't care about the received frames.
*/
mrfiSpiWriteReg(FRMCTRL0, FRMCTRL0_RESET_VALUE | RX_MODE_RSSI_ONLY);
/* Turn on the receiver */
mrfiSpiCmdStrobe(SRXON);
/*
* Wait for RSSI to be valid. RANDOM command strobe can be used
* to generate random number only after this.
*/
MRFI_RSSI_VALID_WAIT();
/* Get random byte from the radio */
mrfiRndSeed = mrfiSpiRandomByte();
/*
* The seed value must not be zero. If it is, the pseudo random sequence
* will be always be zero. There is an extremely small chance this seed could
* randomly be zero (more likely some type of hardware problem would cause
* this). If it is zero, initialize it to something.
*/
if(mrfiRndSeed == 0)
{
mrfiRndSeed = 0x80;
}
/* Random number initialization is done. Turn the radio off */
Mrfi_TurnOffRadioPower();
/* Initial radio state is - OFF state */
mrfiRadioState = MRFI_RADIO_STATE_OFF;
/**********************************************************************************
* Compute reply delay scalar
*
* The IEEE radio has a fixed data rate of 250 Kbps. Data rate inference
* from radio regsiters is not necessary for this radio.
*
* The maximum delay needed depends on the MAX_APP_PAYLOAD parameter. Figure
* out how many bits that will be when overhead is included. Bits/bits-per-second
* is seconds to transmit (or receive) the maximum frame. We multiply this number
* by 1000 to find the time in milliseconds. We then additionally multiply by
* 10 so we can add 5 and divide by 10 later, thus rounding up to the number of
* milliseconds. This last won't matter for slow transmissions but for faster ones
* we want to err on the side of being conservative and making sure the radio is on
* to receive the reply. The semaphore monitor will shut it down. The delay adds in
* a platform fudge factor that includes processing time on peer plus lags in Rx and
* processing time on receiver's side. Also includes round trip delays from CCA
* retries. This portion is included in PLATFORM_FACTOR_CONSTANT defined in mrfi.h.
*
* **********************************************************************************
*/
#define PHY_PREAMBLE_SYNC_BYTES 8
{
uint32_t bits, dataRate = 250000;
bits = ((uint32_t)((PHY_PREAMBLE_SYNC_BYTES + MRFI_MAX_FRAME_SIZE)*8))*10000;
/* processing on the peer + the Tx/Rx time plus more */
sReplyDelayScalar = PLATFORM_FACTOR_CONSTANT + (((bits/dataRate)+5)/10);
}
/* set default channel */
MRFI_SetLogicalChannel( mrfiCurrentLogicalChannel );
/* set default power */
MRFI_SetRFPwr(mrfiCurrentPowerLevel);
/* Random delay: This prevents devices on the same power source from repeated
* transmit collisions on power up.
*/
Mrfi_RandomBackoffDelay();
/* Clean out buffer to protect against spurious frames */
memset(mrfiIncomingPacket.frame, 0x00, sizeof(mrfiIncomingPacket.frame));
memset(mrfiIncomingPacket.rxMetrics, 0x00, sizeof(mrfiIncomingPacket.rxMetrics));
BSP_ENABLE_INTERRUPTS();
}
