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drivers: ieee802154: cc13xx_cc26xx: raw mode support

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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 2020-11-11 11:12:02 -05:00 • committed by Jukka Rissanen
commit 0a0404df29
5 changed files with 106 additions and 26 deletions
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36
drivers/ieee802154/ieee802154_cc13xx_cc26xx_subg.c
View file

@ -17,6 +17,7 @@ LOG_MODULE_REGISTER(ieee802154_cc13xx_cc26xx_subg);
#include <random/rand32.h>
#include <string.h>
#include <sys/sys_io.h>
#include <sys/crc.h>
#include <driverlib/rf_mailbox.h>
#include <driverlib/rf_prop_mailbox.h>
@ -328,7 +329,7 @@ static int ieee802154_cc13xx_cc26xx_subg_tx(const struct device *dev,
{
struct ieee802154_cc13xx_cc26xx_subg_data *drv_data =
get_dev_data(dev);
int retry = CONFIG_NET_L2_IEEE802154_RADIO_TX_RETRIES;
int retry = CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_RADIO_TX_RETRIES;
RF_EventMask reason;
int r;
@ -434,17 +435,27 @@ static void ieee802154_cc13xx_cc26xx_subg_rx_done(
{
struct net_pkt *pkt;
uint8_t len;
int8_t rssi;
int8_t rssi, status;
uint8_t *sdu;
for (int i = 0; i < CC13XX_CC26XX_NUM_RX_BUF; i++) {
if (drv_data->rx_entry[i].status == DATA_ENTRY_FINISHED) {
len = drv_data->rx_data[i][1];
sdu = &drv_data->rx_data[i][3];
rssi = sdu[len - 2];
len -= 2;
len = drv_data->rx_data[i][0];
sdu = drv_data->rx_data[i] + 1;
status = drv_data->rx_data[i][len--];
rssi = drv_data->rx_data[i][len--];
LOG_DBG("Received: len = %u, rssi = %d", len, rssi);
if (IS_ENABLED(CONFIG_IEEE802154_RAW_MODE)) {
/* append CRC-16/CCITT */
uint16_t crc = 0;
crc = crc16_ccitt(0, sdu, len);
sdu[len++] = crc;
sdu[len++] = crc >> 8;
}
LOG_DBG("Received: len = %u, rssi = %d status = %u",
len, rssi, status);
pkt = net_pkt_rx_alloc_with_buffer(
drv_data->iface, len, AF_UNSPEC, 0, K_NO_WAIT);
@ -697,8 +708,8 @@ static struct ieee802154_cc13xx_cc26xx_subg_data
.rxConf = {
.bAutoFlushIgnored = true,
.bAutoFlushCrcErr = true,
.bIncludeHdr = true,
.bAppendRssi = true,
.bAppendStatus = true,
},
/* Preamble & SFD for 2-FSK SUN PHY. 802.15.4-2015, 20.2.1 */
.syncWord0 = 0x0055904E,
@ -745,6 +756,7 @@ static struct ieee802154_cc13xx_cc26xx_subg_data
},
};
#if defined(CONFIG_NET_L2_IEEE802154_SUB_GHZ)
NET_DEVICE_INIT(ieee802154_cc13xx_cc26xx_subg,
CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_DRV_NAME,
ieee802154_cc13xx_cc26xx_subg_init, device_pm_control_nop,
@ -752,3 +764,11 @@ NET_DEVICE_INIT(ieee802154_cc13xx_cc26xx_subg,
CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_INIT_PRIO,
&ieee802154_cc13xx_cc26xx_subg_radio_api, IEEE802154_L2,
NET_L2_GET_CTX_TYPE(IEEE802154_L2), IEEE802154_MTU);
#else
DEVICE_AND_API_INIT(ieee802154_cc13xx_cc26xx_subg,
CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_DRV_NAME,
ieee802154_cc13xx_cc26xx_subg_init,
&ieee802154_cc13xx_cc26xx_subg_data, NULL, POST_KERNEL,
CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ_INIT_PRIO,
&ieee802154_cc13xx_cc26xx_subg_radio_api);
#endif