/**
****************************************************************************************
* @brief conditionally_run_radio_cals(). Runs conditionally (time + temperature) RF and coarse calibration. ltime and temp changes) RF and coarse calibration
*
* @return void
****************************************************************************************
*/
void conditionally_run_radio_cals(void)
{
uint16_t count, count_diff;
uint8_t force_rf_cal = 0;
bool rf_cal_stat;
uint32_t current_time = lld_evt_time_get();
if (current_time < last_temp_time)
{
last_temp_time = 0;
}
if (force_rf_cal)
{
force_rf_cal = 0;
last_temp_time = current_time;
last_temp_count = get_rc16m_count();
#if LUT_PATCH_ENABLED
pll_vcocal_LUT_InitUpdate(LUT_UPDATE); //Update pll look up table
#endif
rf_cal_stat = rf_calibration();
if ( rf_cal_stat == false)
force_rf_cal = 1;
return;
}
if ( (current_time - last_temp_time) >= 3200) //2 sec
{
last_temp_time = current_time;
count = get_rc16m_count(); // Estimate the RC16M frequency
if (count > last_temp_count)
count_diff = count - last_temp_count;
else
count_diff = last_temp_count - count ;
if (count_diff >= 24)// If corresponds to 5 C degrees difference
{
// Update the value of last_count
last_temp_count = count;
#if LUT_PATCH_ENABLED
pll_vcocal_LUT_InitUpdate(LUT_UPDATE); //Update pll look up table
#endif
rf_cal_stat = rf_calibration();
if ( rf_cal_stat == false)
force_rf_cal = 1; // Perform the readio calibrations
}
}
}
void rf_init_func(struct rwip_rf_api *api)
{
uint32 tmp32 = 0;
uint8 idx = 0;
uint8 temp_freq_tbl[EM_BLE_FREQ_TABLE_LEN];
// Initialize the RF driver API structure
api->reg_rd = rf_reg_rd;
api->reg_wr = rf_reg_wr;
api->txpwr_dbm_get = rf_txpwr_dbm_get;
//api->txpwr_max = RPL_POWER_MAX;
api->sleep = rf_sleep;
api->reset = rf_reset;
#ifdef CFG_BLE
api->isr = RADIOCNTL_Handler;
api->force_agc_enable = rf_force_agc_enable;
#endif //CFG_BLE
api->rssi_convert = rf_rssi_convert;
#ifdef CFG_BT
api->txpwr_inc = rf_txpwr_inc;
api->txpwr_dec = rf_txpwr_dec;
api->txpwr_epc_req = rf_txpwr_epc_req;
api->txpwr_cs_get = rf_txpwr_cs_get;
api->rssi_high_thr = (uint8_t)RPL_RSSI_20dB_THRHLD;
api->rssi_low_thr = (uint8_t)RPL_RSSI_60dB_THRHLD;
api->rssi_interf_thr = (uint8_t)RPL_RSSI_70dB_THRHLD;
#ifdef CFG_BTCORE_30
api->wakeup_delay = RPL_WK_UP_DELAY;
#endif //CFG_BTCORE_30
api->skew = RPL_RADIO_SKEW;
#endif //CFG_BT
// CLK_FREQ_TRIM_REG initialization was moved to main_func() in arch_main.c
// The initialization of this register is done by the Boot ROM code if a valid
// value has been written to the corresponding position in the OTP header by
// the customer.
// main_func() will write this register with a default value and the customer
// must remove this code when he has written the OTP header.
SetBits32(&tmp32, RTRIP_DELAY, 7);
SetBits32(&tmp32, TXPWRDN, 0x5);
SetBits32(&tmp32, RXPWRUP, RXPWRUP_VAL);
SetBits32(&tmp32, TXPWRUP, TXPWRUP_VAL);
SetWord32(BLE_RADIOPWRUPDN_REG,tmp32);
SetBits32(BLE_RADIOCNTL0_REG, DPCORR_EN, 0); //THIS MAY NOT BE '1', THEN WE MISS 12 BITS IN THE SYNCWORD DURING A RX BURST
SetBits32(BLE_RADIOCNTL1_REG, XRFSEL, 3);
SetBits32(BLE_CNTL2_REG, SW_RPL_SPI ,0);
SetBits32(BLE_CNTL2_REG, BB_ONLY,0);
while(idx < EM_BLE_FREQ_TABLE_LEN)
{
temp_freq_tbl[idx] = idx ;
idx++;
}
em_ble_burst_wr(&temp_freq_tbl[0], EM_BLE_FT_OFFSET, EM_BLE_FREQ_TABLE_LEN);
rf_regs();
last_temp_count = get_rc16m_count();
#if LUT_PATCH_ENABLED
pll_vcocal_LUT_InitUpdate(LUT_INIT);
#endif
rf_calibration();
}