/*---------------------------------------------------------------------------*/
static radio_result_t
set_value(radio_param_t param, radio_value_t value)
{
switch(param) {
case RADIO_PARAM_POWER_MODE:
if(value == RADIO_POWER_MODE_ON) {
on();
return RADIO_RESULT_OK;
}
if(value == RADIO_POWER_MODE_OFF) {
off();
return RADIO_RESULT_OK;
}
return RADIO_RESULT_INVALID_VALUE;
case RADIO_PARAM_CHANNEL:
if(value < 11 || value > 26) {
return RADIO_RESULT_INVALID_VALUE;
}
set_channel(value);
return RADIO_RESULT_OK;
case RADIO_PARAM_RX_MODE:
if(value & ~(RADIO_RX_MODE_ADDRESS_FILTER |
RADIO_RX_MODE_AUTOACK | RADIO_RX_MODE_POLL_MODE)) {
return RADIO_RESULT_INVALID_VALUE;
}
set_frame_filtering((value & RADIO_RX_MODE_ADDRESS_FILTER) != 0);
set_autoack((value & RADIO_RX_MODE_AUTOACK) != 0);
set_poll_mode((value & RADIO_RX_MODE_POLL_MODE) != 0);
return RADIO_RESULT_OK;
case RADIO_PARAM_TX_MODE:
if(value & ~(RADIO_TX_MODE_SEND_ON_CCA)) {
return RADIO_RESULT_INVALID_VALUE;
}
set_send_on_cca((value & RADIO_TX_MODE_SEND_ON_CCA) != 0);
return RADIO_RESULT_OK;
case RADIO_PARAM_TXPOWER:
if(value < OUTPUT_POWER_MIN || value > OUTPUT_POWER_MAX) {
return RADIO_RESULT_INVALID_VALUE;
/* Find the closest higher PA_LEVEL for the desired output power */
}
set_txpower(value);
return RADIO_RESULT_OK;
case RADIO_PARAM_CCA_THRESHOLD:
cca_thershold = value;
return RADIO_RESULT_OK;
default:
return RADIO_RESULT_NOT_SUPPORTED;
}
}
/*---------------------------------------------------------------------------*/
static radio_result_t
set_value(radio_param_t param, radio_value_t value)
{
switch(param) {
case RADIO_PARAM_POWER_MODE:
if(value == RADIO_POWER_MODE_ON) {
on();
return RADIO_RESULT_OK;
}
if(value == RADIO_POWER_MODE_OFF) {
off();
return RADIO_RESULT_OK;
}
return RADIO_RESULT_INVALID_VALUE;
case RADIO_PARAM_CHANNEL:
if(value < CC2538_RF_CHANNEL_MIN ||
value > CC2538_RF_CHANNEL_MAX) {
return RADIO_RESULT_INVALID_VALUE;
}
if(set_channel(value) == CC2538_RF_CHANNEL_SET_ERROR) {
return RADIO_RESULT_ERROR;
}
return RADIO_RESULT_OK;
case RADIO_PARAM_PAN_ID:
set_pan_id(value & 0xffff);
return RADIO_RESULT_OK;
case RADIO_PARAM_16BIT_ADDR:
set_short_addr(value & 0xffff);
return RADIO_RESULT_OK;
case RADIO_PARAM_RX_MODE:
if(value & ~(RADIO_RX_MODE_ADDRESS_FILTER |
RADIO_RX_MODE_AUTOACK |
RADIO_RX_MODE_POLL_MODE)) {
return RADIO_RESULT_INVALID_VALUE;
}
set_frame_filtering((value & RADIO_RX_MODE_ADDRESS_FILTER) != 0);
set_auto_ack((value & RADIO_RX_MODE_AUTOACK) != 0);
set_poll_mode((value & RADIO_RX_MODE_POLL_MODE) != 0);
return RADIO_RESULT_OK;
case RADIO_PARAM_TX_MODE:
if(value & ~(RADIO_TX_MODE_SEND_ON_CCA)) {
return RADIO_RESULT_INVALID_VALUE;
}
set_send_on_cca((value & RADIO_TX_MODE_SEND_ON_CCA) != 0);
return RADIO_RESULT_OK;
case RADIO_PARAM_TXPOWER:
if(value < OUTPUT_POWER_MIN || value > OUTPUT_POWER_MAX) {
return RADIO_RESULT_INVALID_VALUE;
}
set_tx_power(value);
return RADIO_RESULT_OK;
case RADIO_PARAM_CCA_THRESHOLD:
set_cca_threshold(value);
return RADIO_RESULT_OK;
default:
return RADIO_RESULT_NOT_SUPPORTED;
}
}
/*---------------------------------------------------------------------------*/
static int
init(void)
{
PRINTF("RF: Init\n");
if(rf_flags & RF_ON) {
return 0;
}
/* Enable clock for the RF Core while Running, in Sleep and Deep Sleep */
REG(SYS_CTRL_RCGCRFC) = 1;
REG(SYS_CTRL_SCGCRFC) = 1;
REG(SYS_CTRL_DCGCRFC) = 1;
REG(RFCORE_XREG_CCACTRL0) = CC2538_RF_CCA_THRES_USER_GUIDE;
/*
* Changes from default values
* See User Guide, section "Register Settings Update"
*/
REG(RFCORE_XREG_TXFILTCFG) = 0x09; /** TX anti-aliasing filter bandwidth */
REG(RFCORE_XREG_AGCCTRL1) = 0x15; /** AGC target value */
REG(ANA_REGS_IVCTRL) = 0x0B; /** Bias currents */
/*
* Defaults:
* Auto CRC; Append RSSI, CRC-OK and Corr. Val.; CRC calculation;
* RX and TX modes with FIFOs
*/
REG(RFCORE_XREG_FRMCTRL0) = RFCORE_XREG_FRMCTRL0_AUTOCRC;
#if CC2538_RF_AUTOACK
REG(RFCORE_XREG_FRMCTRL0) |= RFCORE_XREG_FRMCTRL0_AUTOACK;
#endif
/* If we are a sniffer, turn off frame filtering */
#if CC2538_RF_CONF_SNIFFER
REG(RFCORE_XREG_FRMFILT0) &= ~RFCORE_XREG_FRMFILT0_FRAME_FILTER_EN;
#endif
/* Disable source address matching and autopend */
REG(RFCORE_XREG_SRCMATCH) = 0;
/* MAX FIFOP threshold */
REG(RFCORE_XREG_FIFOPCTRL) = CC2538_RF_MAX_PACKET_LEN;
/* Set TX Power */
REG(RFCORE_XREG_TXPOWER) = CC2538_RF_TX_POWER;
set_channel(rf_channel);
/* Acknowledge all RF Error interrupts */
REG(RFCORE_XREG_RFERRM) = RFCORE_XREG_RFERRM_RFERRM;
nvic_interrupt_enable(NVIC_INT_RF_ERR);
if(CC2538_RF_CONF_TX_USE_DMA) {
/* Disable peripheral triggers for the channel */
udma_channel_mask_set(CC2538_RF_CONF_TX_DMA_CHAN);
/*
* Set the channel's DST. SRC can not be set yet since it will change for
* each transfer
*/
udma_set_channel_dst(CC2538_RF_CONF_TX_DMA_CHAN, RFCORE_SFR_RFDATA);
}
if(CC2538_RF_CONF_RX_USE_DMA) {
/* Disable peripheral triggers for the channel */
udma_channel_mask_set(CC2538_RF_CONF_RX_DMA_CHAN);
/*
* Set the channel's SRC. DST can not be set yet since it will change for
* each transfer
*/
udma_set_channel_src(CC2538_RF_CONF_RX_DMA_CHAN, RFCORE_SFR_RFDATA);
}
set_poll_mode(poll_mode);
process_start(&cc2538_rf_process, NULL);
rf_flags |= RF_ON;
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
return 1;
}
