/***********************************************************************************
* @fn basicRfInit
*
* @brief Initialise basic RF datastructures. Sets channel, short address and
* PAN id in the chip and configures interrupt on packet reception
*
* @param pRfConfig - pointer to BASIC_RF_CONFIG struct.
* This struct must be allocated by higher layer
* txState - file scope variable that keeps tx state info
* rxi - file scope variable info extracted from the last incoming
* frame
*
* @return none
*/
uint8 basicRfInit(basicRfCfg_t* pRfConfig)
{
if (halRfInit()==FAILED)
return FAILED;
halIntOff();
// Set the protocol configuration
pConfig = pRfConfig;
rxi.pPayload = NULL;
txState.receiveOn = TRUE;
txState.frameCounter = 0;
// Set channel
halRfSetChannel(pConfig->channel);
// Write the short address and the PAN ID to the CC2520 RAM
halRfSetShortAddr(pConfig->myAddr);
halRfSetPanId(pConfig->panId);
// if security is enabled, write key and nonce
#ifdef SECURITY_CCM
basicRfSecurityInit(pConfig);
#endif
// Set up receive interrupt (received data or acknowlegment)
halRfRxInterruptConfig(basicRfRxFrmDoneIsr);
halIntOn();
return SUCCESS;
}
/* ------------------------------------------------------------------------------------------------------
* mac_init()
*
* Description : MAC layer init.
*
*/
void mac_init(void)
{
/* Initialise RF radio.*/
halRfInit();
#if (0)
pib.coord_addr.mode = SHORT_ADDR;
pib.coord_addr.short_addr = 0x0000; // Net coord short address is 0x0000;
pib.coord = true;
pib.short_addr = 0x0000; // Default node short address is 0xFFFF.
pib.pan_id = 0xFFFF; // Default PAN ID is 0xFFFF.
// Read MAC address in FALSH.
HalFlashRead(HAL_FLASH_IEEE_PAGE, HAL_FLASH_IEEE_OSET, pib.ext_addr, Z_EXTADDR_LEN);
pib.assoc_permit = false; // Node's association is permit.
// pcb.mac_state = MLME_SCAN;
pib.curr_channel = 20; /* channel 20.*/
pib.rx_on_when_idle = true;
pib.max_csma_backoffs = 3;
pib.min_be = 3;
pib.dsn = (U8)halRfGetChipId(); // Random value as frame number.
pib.tmp_pan_id = 0xFFFF;
/* Write the short address and the PAN ID to the CC2520 RAM*/
halRfSetExtAddr(pib.ext_addr);
halRfSetShortAddr(pib.short_addr);
halRfSetPanId(pib.pan_id);
#endif
pib.curr_channel = 20; /* channel 20.*/
// Set channel
halRfSetChannel(pib.curr_channel);
halRfRxInterruptConfig(RfRxFrmDoneIsr);
mac_buf_init();
halRfReceiveOn();
}
