/***********************************************************************************
* @fn SMPL_Init
*
* @brief Initialize the SimpliciTI stack.
*
* input parameters
* @param f - Pointer to call back function. Function called by NWK when
* user application frame received. The callback is done in the
* ISR thread. Argument is Link ID associated with frame. Function
* returns 0 if frame is to be kept by NWK, otherwise 1. Frame
* should be kept if application will do a SMPL_Receive() in the
* user thread (recommended). Pointer may be NULL.
*
* output parameters
*
* @return Status of operation:
* SMPL_SUCCESS
* SMPL_NO_JOIN No Join reply. AP possibly not yet up.
* SMPL_NO_CHANNEL Only if Frequency Agility enabled. Channel scan
* failed. AP possibly not yet up.
*/
smplStatus_t SMPL_Init(uint8_t (*f)(linkID_t))
{
smplStatus_t rc;
if (!sInit_done)
{
/* set up radio. */
MRFI_Init();
/* initialize network */
if ((rc=nwk_nwkInit(f)) != SMPL_SUCCESS)
{
return rc;
}
MRFI_WakeUp();
#if defined( FREQUENCY_AGILITY )
{
freqEntry_t chan;
chan.logicalChan = 0;
/* ok to set default channel explicitly now that MRFI initialized. */
nwk_setChannel(&chan);
}
#endif
/* don't turn Rx on if we're an end device that isn't always on. */
/* but do turn the radio on for PLL operations */
#if !defined( END_DEVICE ) || defined( NWK_PLL )
MRFI_RxOn();
#endif
#if defined( END_DEVICE )
/* All except End Devices are in promiscuous mode */
MRFI_SetRxAddrFilter((uint8_t *)nwk_getMyAddress());
MRFI_EnableRxAddrFilter();
#endif
}
sInit_done = 1;
#ifdef NWK_PLL
/* If the PLL is enabled then it must get running before the join
* request or the system may lock up in the join request becuase
* PLL is not locked in.
*/
// turn on the PLL
SMPL_Ioctl(IOCTL_OBJ_PLL, IOCTL_ACT_ON, NULL);
// reference clocks are by definition always locked.
#ifndef NWK_PLL_REFERENCE_CLOCK
// wait for a 5ms failure rate to be achieved
while( nwk_pllIsLocked( 0 ) == false )
nwk_pllBackgrounder( false );
#endif
#endif
/* Join. if no AP or Join fails that status is returned. */
rc = nwk_join();
return rc;
}
/***********************************************************************************
* @fn SMPL_Init
*
* @brief Initialize the SimpliciTI stack.
*
* input parameters
* @param f - Pointer to call back function. Function called by NWK when
* user application frame received. The callback is done in the
* ISR thread. Argument is Link ID associated with frame. Function
* returns 0 if frame is to be kept by NWK, otherwise 1. Frame
* should be kept if application will do a SMPL_Receive() in the
* user thread (recommended). Pointer may be NULL.
*
* output parameters
*
* @return Status of operation:
* SMPL_SUCCESS
* SMPL_NO_JOIN No Join reply. AP possibly not yet up.
* SMPL_NO_CHANNEL Only if Frequency Agility enabled. Channel scan
* failed. AP possibly not yet up.
*/
smplStatus_t SMPL_Init(uint8_t (*f)(linkID_t))
{
smplStatus_t rc;
if (!sInit_done)
{
/* set up radio. */
MRFI_Init();
/* initialize network */
if ((rc=nwk_nwkInit(f)) != SMPL_SUCCESS)
{
return rc;
}
MRFI_WakeUp();
#if defined( FREQUENCY_AGILITY )
{
freqEntry_t chan;
chan.logicalChan = 0;
/* ok to set default channel explicitly now that MRFI initialized. */
nwk_setChannel(&chan);
}
#endif
/* don't turn Rx on if we're an end device that isn't always on. */
#if !defined( END_DEVICE )
MRFI_RxOn();
#endif
#if defined( END_DEVICE )
/* All except End Devices are in promiscuous mode */
MRFI_SetRxAddrFilter((uint8_t *)nwk_getMyAddress());
MRFI_EnableRxAddrFilter();
#endif
}
sInit_done = 1;
/* Join. if no AP or Join fails that status is returned. */
rc = nwk_join();
return rc;
}
/******************************************************************************
* @fn mrfiLinkInit
*
* @brief Initialise the MRFI layer. Selects RF channel and addresses.
*
* @param src - source address (16 bit)
*
* @param dst - destination address (16 bit)
*
* @return void
*
*/
void mrfiLinkInit(uint16 src, uint16 dst, uint8 mrfiChannel)
{
#ifdef USB_SUSPEND_HOOKS
// Register USB hooks if necessary
pFnSuspendEnterHook= MRFI_Sleep;
pFnSuspendExitHook= linkRestore;
#endif
// Make sure the timer is initialised
BSP_INIT_BOARD();
// Initialise the addresses
src_addr[0]= LO_UINT16(MRFI_LINK_PAN_ID);
src_addr[1]= HI_UINT16(MRFI_LINK_PAN_ID);
src_addr[2]= LO_UINT16(src);
src_addr[3]= HI_UINT16(src);
dest_addr[0]= LO_UINT16(MRFI_LINK_PAN_ID);
dest_addr[1]= HI_UINT16(MRFI_LINK_PAN_ID);
dest_addr[2]= LO_UINT16(dst);
dest_addr[3]= HI_UINT16(dst);
// Initialise MRFI link housekeeping data
mrfiPktRdy= FALSE;
fAckRdy= FALSE;
seqSend= 0;
seqRecv= 0;
// Initialise MRFI
MRFI_Init();
MRFI_WakeUp();
MRFI_SetLogicalChannel(mrfiChannel);
MRFI_RxOn();
MRFI_SetRxAddrFilter(src_addr);
MRFI_EnableRxAddrFilter();
}
/**************************************************************************************************
* @fn MRFI_WakeUp
*
* @brief Wake up radio from off/sleep state.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void MRFI_WakeUp(void)
{
/* if radio is asleep, wake it up */
if(mrfiRadioState == MRFI_RADIO_STATE_OFF)
{
/* enter idle mode */
mrfiRadioState = MRFI_RADIO_STATE_IDLE;
/* turn on radio power */
Mrfi_TurnOnRadioPower();
/* Configure the radio registers. All radio settings that are lost
* on MRFI_Sleep() call must be restored here. Since we are putting the
* radio in LPM2 power mode, all register and memory values that are
* different from reset must be restored.
*/
MRFI_BOARD_CONFIG_RADIO_GPIO();
#ifdef MRFI_PA_LNA_ENABLED
/* Init ports */
MRFI_BOARD_PA_LNA_CONFIG_PORTS();
if(mrfiLnaHighGainMode)
{
/* Set LNA to High Gain Mode */
MRFI_BOARD_PA_LNA_HGM();
}
else
{
/* Set LNA to Low Gain Mode */
MRFI_BOARD_PA_LNA_LGM();
}
#endif
/* Set FIFO_P threshold to max (127). Thus a FIFO_P signal is set whenever
* a full frame is received.
*/
mrfiSpiWriteReg(FIFOPCTRL, 0x7F);
/* Accept only DATA frames. Reject CMD/BECAON/ACK frames. */
mrfiSpiWriteReg(FRMFILT1, 0x10);
/* Restore the address filter settings */
if(mrfiAddrFilterStatus & MRFI_FILTER_ADDRESS_SET)
{
MRFI_SetRxAddrFilter(mrfiFilterAddr);
}
if(mrfiAddrFilterStatus & MRFI_FILTER_ADDRESS_ENABLED)
{
MRFI_EnableRxAddrFilter();
}
else
{
MRFI_DisableRxAddrFilter();
}
/* Following values need to be changed from their reset value.
* See Table-21 CC2520 datasheet.
*/
#ifdef MRFI_PA_LNA_ENABLED
/* This value is not in datasheet yet. */
mrfiSpiWriteReg(TXPOWER, 0xE1);
#else
mrfiSpiWriteReg(TXPOWER, 0x32);
#endif
mrfiSpiWriteReg(CCACTRL0, 0xF8);
mrfiSpiWriteReg(MDMCTRL0, 0x85);
mrfiSpiWriteReg(MDMCTRL1, 0x14);
mrfiSpiWriteReg(RXCTRL, 0x3F);
mrfiSpiWriteReg(FSCTRL, 0x5A);
mrfiSpiWriteReg(FSCAL1, 0x2B);
mrfiSpiWriteReg(AGCCTRL1, 0x11);
mrfiSpiWriteReg(ADCTEST0, 0x10);
mrfiSpiWriteReg(ADCTEST1, 0x0E);
mrfiSpiWriteReg(ADCTEST2, 0x03);
/* set default channel */
MRFI_SetLogicalChannel(mrfiCurrentLogicalChannel);
}
}
