drivers: ieee802154: cc13xx_cc26xx: raw mode support
This change adds IEEE802154_RAW_MODE support for the cc1352r. This allows using the cc1352r 2.4 GHz radio and Sub Ghz radio as a transceiver (PHY) instead of using L2 networking. Signed-off-by: Erik Larson <erik@statropy.com>
This commit is contained in:
Erik Larson
Jukka Rissanen
parent
bc6d16e422
commit
0a0404df29
5 changed files with 106 additions and 26 deletions
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@ -20,11 +20,47 @@ config IEEE802154_CC13XX_CC26XX_INIT_PRIO
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help
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Set the initialization priority number.
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config IEEE802154_CC13XX_CC26XX_RADIO_TX_RETRIES
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int "Radio Transmission attempts"
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default NET_L2_IEEE802154_RADIO_TX_RETRIES if NET_L2_IEEE802154
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default 3
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range 1 7
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help
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Number of transmission attempts radio driver should do, before
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replying it could not send the packet.
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config IEEE802154_CC13XX_CC26XX_RADIO_CSMA_CA_MAX_BO
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int "CSMA maximum backoffs"
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default NET_L2_IEEE802154_RADIO_CSMA_CA_MAX_BO if NET_L2_IEEE802154_RADIO_CSMA_CA
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default 4
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range 1 5
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help
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The maximum number of backoffs the CSMA-CA algorithm will attempt
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before declaring a channel access failure.
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config IEEE802154_CC13XX_CC26XX_RADIO_CSMA_CA_MIN_BE
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int "CSMA MAC minimum backoff exponent"
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default NET_L2_IEEE802154_RADIO_CSMA_CA_MIN_BE if NET_L2_IEEE802154_RADIO_CSMA_CA
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default 3
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range 1 8
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help
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The minimum value of the backoff exponent (BE) in the CSMA-CA
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algorithm.
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config IEEE802154_CC13XX_CC26XX_RADIO_CSMA_CA_MAX_BE
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int "CSMA MAC maximum backoff exponent"
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default NET_L2_IEEE802154_RADIO_CSMA_CA_MAX_BE if NET_L2_IEEE802154_RADIO_CSMA_CA
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default 5
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range 1 8
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help
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The maximum value of the backoff exponent (BE) in the CSMA-CA
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algorithm.
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endif # IEEE802154_CC13XX_CC26XX
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menuconfig IEEE802154_CC13XX_CC26XX_SUB_GHZ
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bool "TI CC13xx / CC26xx IEEE 802.15.4g driver support"
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select NET_L2_IEEE802154_SUB_GHZ
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select NET_L2_IEEE802154_SUB_GHZ if NET_L2_IEEE802154
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if IEEE802154_CC13XX_CC26XX_SUB_GHZ
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@ -54,4 +90,13 @@ config IEEE802154_CC13XX_CC26XX_SUB_GHZ_INIT_PRIO
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help
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Set the initialization priority number.
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config IEEE802154_CC13XX_CC26XX_SUB_GHZ_RADIO_TX_RETRIES
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int "Radio Transmission attempts"
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default NET_L2_IEEE802154_RADIO_TX_RETRIES if NET_L2_IEEE802154
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default 3
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range 1 7
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help
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Number of transmission attempts radio driver should do, before
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replying it could not send the packet.
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endif # IEEE802154_CC13XX_CC26XX_SUB_GHZ
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@ -287,7 +287,7 @@ static int ieee802154_cc13xx_cc26xx_tx(const struct device *dev,
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};
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struct ieee802154_cc13xx_cc26xx_data *drv_data = get_dev_data(dev);
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bool ack = ieee802154_is_ar_flag_set(frag);
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int retry = CONFIG_NET_L2_IEEE802154_RADIO_TX_RETRIES;
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int retry = CONFIG_IEEE802154_CC13XX_CC26XX_RADIO_TX_RETRIES;
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if (mode != IEEE802154_TX_MODE_CSMA_CA) {
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NET_ERR("TX mode %d not supported", mode);
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@ -385,20 +385,31 @@ static void ieee802154_cc13xx_cc26xx_rx_done(
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struct ieee802154_cc13xx_cc26xx_data *drv_data)
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{
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struct net_pkt *pkt;
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uint8_t len, seq, corr;
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uint8_t len, seq, corr, lqi;
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int8_t rssi;
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uint8_t *sdu;
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for (int i = 0; i < CC13XX_CC26XX_NUM_RX_BUF; i++) {
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if (drv_data->rx_entry[i].status == DATA_ENTRY_FINISHED) {
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/* rx_data contains length, psdu, fcs, rssi, corr */
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len = drv_data->rx_data[i][0];
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sdu = drv_data->rx_data[i] + 1;
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seq = drv_data->rx_data[i][3];
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corr = drv_data->rx_data[i][len--] & 0x3F;
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rssi = drv_data->rx_data[i][len--];
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/* remove fcs as it is not expected by L2
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* But keep it for RAW mode
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*/
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if (IS_ENABLED(CONFIG_NET_L2_IEEE802154)) {
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len -= 2;
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}
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/* scale 6-bit corr to 8-bit lqi */
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lqi = corr << 2;
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LOG_DBG("Received: len = %u, seq = %u, rssi = %d, lqi = %u",
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len, seq, rssi, corr);
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len, seq, rssi, lqi);
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pkt = net_pkt_rx_alloc_with_buffer(
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drv_data->iface, len, AF_UNSPEC, 0, K_NO_WAIT);
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@ -415,8 +426,7 @@ static void ieee802154_cc13xx_cc26xx_rx_done(
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drv_data->rx_entry[i].status = DATA_ENTRY_PENDING;
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/* TODO Convert to LQI in 0 to 255 range */
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net_pkt_set_ieee802154_lqi(pkt, corr);
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net_pkt_set_ieee802154_lqi(pkt, lqi);
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net_pkt_set_ieee802154_rssi(
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pkt,
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ieee802154_cc13xx_cc26xx_convert_rssi(rssi));
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@ -604,7 +614,7 @@ static struct ieee802154_cc13xx_cc26xx_data ieee802154_cc13xx_cc26xx_data = {
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.bAutoFlushCrc = 1,
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.bAutoFlushIgn = 1,
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.bIncludePhyHdr = 0,
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.bIncludeCrc = 0,
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.bIncludeCrc = 1,
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.bAppendRssi = 1,
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.bAppendCorrCrc = 1,
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.bAppendSrcInd = 0,
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@ -677,9 +687,10 @@ static struct ieee802154_cc13xx_cc26xx_data ieee802154_cc13xx_cc26xx_data = {
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.startTrigger.triggerType = TRIG_NOW,
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.condition.rule = COND_STOP_ON_FALSE,
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.randomState = 0,
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.macMaxBE = CONFIG_NET_L2_IEEE802154_RADIO_CSMA_CA_MAX_BE,
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.macMaxBE =
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CONFIG_IEEE802154_CC13XX_CC26XX_RADIO_CSMA_CA_MAX_BE,
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.macMaxCSMABackoffs =
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CONFIG_NET_L2_IEEE802154_RADIO_CSMA_CA_MAX_BO,
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CONFIG_IEEE802154_CC13XX_CC26XX_RADIO_CSMA_CA_MAX_BO,
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.csmaConfig = {
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/* Initial value of CW for unslotted CSMA */
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.initCW = 1,
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@ -689,7 +700,7 @@ static struct ieee802154_cc13xx_cc26xx_data ieee802154_cc13xx_cc26xx_data = {
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.rxOffMode = 0,
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},
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.NB = 0,
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.BE = CONFIG_NET_L2_IEEE802154_RADIO_CSMA_CA_MIN_BE,
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.BE = CONFIG_IEEE802154_CC13XX_CC26XX_RADIO_CSMA_CA_MIN_BE,
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.remainingPeriods = 0,
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.endTrigger.triggerType = TRIG_NEVER,
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},
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@ -747,6 +758,7 @@ static struct ieee802154_cc13xx_cc26xx_data ieee802154_cc13xx_cc26xx_data = {
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},
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};
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#if defined(CONFIG_NET_L2_IEEE802154)
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NET_DEVICE_INIT(ieee802154_cc13xx_cc26xx,
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CONFIG_IEEE802154_CC13XX_CC26XX_DRV_NAME,
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ieee802154_cc13xx_cc26xx_init, device_pm_control_nop,
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@ -754,3 +766,10 @@ NET_DEVICE_INIT(ieee802154_cc13xx_cc26xx,
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CONFIG_IEEE802154_CC13XX_CC26XX_INIT_PRIO,
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&ieee802154_cc13xx_cc26xx_radio_api, IEEE802154_L2,
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NET_L2_GET_CTX_TYPE(IEEE802154_L2), IEEE802154_MTU);
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#else
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DEVICE_AND_API_INIT(ieee802154_cc13xx_cc26xx,
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CONFIG_IEEE802154_CC13XX_CC26XX_DRV_NAME,
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ieee802154_cc13xx_cc26xx_init, &ieee802154_cc13xx_cc26xx_data,
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NULL, POST_KERNEL, CONFIG_IEEE802154_CC13XX_CC26XX_INIT_PRIO,
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&ieee802154_cc13xx_cc26xx_radio_api);
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#endif
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@ -51,8 +51,8 @@
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#define CC13XX_CC26XX_NUM_RX_BUF 2
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/* Two additional bytes for RSSI and correlation values from CPE. */
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#define CC13XX_CC26XX_RX_BUF_SIZE (IEEE802154_MAX_PHY_PACKET_SIZE + 2)
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/* Three additional bytes for length, RSSI and correlation values from CPE. */
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#define CC13XX_CC26XX_RX_BUF_SIZE (IEEE802154_MAX_PHY_PACKET_SIZE + 3)
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#define CC13XX_CC26XX_CPE0_IRQ (INT_RFC_CPE_0 - 16)
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#define CC13XX_CC26XX_CPE1_IRQ (INT_RFC_CPE_1 - 16)
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@ -17,6 +17,7 @@ LOG_MODULE_REGISTER(ieee802154_cc13xx_cc26xx_subg);
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#include <random/rand32.h>
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#include <string.h>
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#include <sys/sys_io.h>
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#include <sys/crc.h>
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#include <driverlib/rf_mailbox.h>
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#include <driverlib/rf_prop_mailbox.h>
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@ -328,7 +329,7 @@ static int ieee802154_cc13xx_cc26xx_subg_tx(const struct device *dev,
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{
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struct ieee802154_cc13xx_cc26xx_subg_data *drv_data =
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get_dev_data(dev);
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int retry = CONFIG_NET_L2_IEEE802154_RADIO_TX_RETRIES;
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int retry = CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_RADIO_TX_RETRIES;
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RF_EventMask reason;
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int r;
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@ -434,17 +435,27 @@ static void ieee802154_cc13xx_cc26xx_subg_rx_done(
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{
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struct net_pkt *pkt;
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uint8_t len;
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int8_t rssi;
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int8_t rssi, status;
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uint8_t *sdu;
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for (int i = 0; i < CC13XX_CC26XX_NUM_RX_BUF; i++) {
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if (drv_data->rx_entry[i].status == DATA_ENTRY_FINISHED) {
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len = drv_data->rx_data[i][1];
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sdu = &drv_data->rx_data[i][3];
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rssi = sdu[len - 2];
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len -= 2;
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len = drv_data->rx_data[i][0];
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sdu = drv_data->rx_data[i] + 1;
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status = drv_data->rx_data[i][len--];
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rssi = drv_data->rx_data[i][len--];
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LOG_DBG("Received: len = %u, rssi = %d", len, rssi);
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if (IS_ENABLED(CONFIG_IEEE802154_RAW_MODE)) {
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/* append CRC-16/CCITT */
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uint16_t crc = 0;
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crc = crc16_ccitt(0, sdu, len);
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sdu[len++] = crc;
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sdu[len++] = crc >> 8;
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}
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LOG_DBG("Received: len = %u, rssi = %d status = %u",
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len, rssi, status);
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pkt = net_pkt_rx_alloc_with_buffer(
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drv_data->iface, len, AF_UNSPEC, 0, K_NO_WAIT);
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@ -697,8 +708,8 @@ static struct ieee802154_cc13xx_cc26xx_subg_data
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.rxConf = {
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.bAutoFlushIgnored = true,
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.bAutoFlushCrcErr = true,
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.bIncludeHdr = true,
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.bAppendRssi = true,
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.bAppendStatus = true,
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},
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/* Preamble & SFD for 2-FSK SUN PHY. 802.15.4-2015, 20.2.1 */
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.syncWord0 = 0x0055904E,
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@ -745,6 +756,7 @@ static struct ieee802154_cc13xx_cc26xx_subg_data
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},
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};
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#if defined(CONFIG_NET_L2_IEEE802154_SUB_GHZ)
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NET_DEVICE_INIT(ieee802154_cc13xx_cc26xx_subg,
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CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_DRV_NAME,
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ieee802154_cc13xx_cc26xx_subg_init, device_pm_control_nop,
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@ -752,3 +764,11 @@ NET_DEVICE_INIT(ieee802154_cc13xx_cc26xx_subg,
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CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_INIT_PRIO,
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&ieee802154_cc13xx_cc26xx_subg_radio_api, IEEE802154_L2,
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NET_L2_GET_CTX_TYPE(IEEE802154_L2), IEEE802154_MTU);
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#else
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DEVICE_AND_API_INIT(ieee802154_cc13xx_cc26xx_subg,
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CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_DRV_NAME,
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ieee802154_cc13xx_cc26xx_subg_init,
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&ieee802154_cc13xx_cc26xx_subg_data, NULL, POST_KERNEL,
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CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_INIT_PRIO,
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&ieee802154_cc13xx_cc26xx_subg_radio_api);
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#endif
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@ -57,12 +57,8 @@
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#define CC13XX_CC26XX_NUM_RX_BUF \
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CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_NUM_RX_BUF
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/*
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* Two additional bytes for the PHR in PROP mode
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* One additional byte for RSSI value from CPE
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*/
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#define CC13XX_CC26XX_RX_BUF_SIZE (IEEE802154_MAX_PHY_PACKET_SIZE \
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+ IEEE802154_SUN_PHY_FSK_PHR_LEN + 1)
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/* Three additional bytes for length, RSSI and status values from CPE */
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#define CC13XX_CC26XX_RX_BUF_SIZE (IEEE802154_MAX_PHY_PACKET_SIZE + 3)
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/*
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* Two additional bytes for the SUN FSK PHY HDR
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