michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: ieee802154: introduce new Telink B91 IEEE802154 driver

Browse source 
IEEE802154 driver basic support for Telink B91 platform.

Signed-off-by: Yuriy Vynnychek <yura.vynnychek@telink-semi.com>
This commit is contained in:
Yuriy Vynnychek 2021-07-29 15:53:57 +03:00 • committed by Carles Cufí
commit 1c0ed94601
6 changed files with 791 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
CODEOWNERS
View file

@ -243,6 +243,7 @@
/drivers/i2s/i2s_ll_stm32* @avisconti /drivers/i2s/i2s_ll_stm32* @avisconti
/drivers/i2s/*nrfx* @anangl /drivers/i2s/*nrfx* @anangl
/drivers/ieee802154/ @rlubos @tbursztyka /drivers/ieee802154/ @rlubos @tbursztyka
/drivers/ieee802154/*b91* @yurvyn
/drivers/ieee802154/ieee802154_rf2xx* @tbursztyka @nandojve /drivers/ieee802154/ieee802154_rf2xx* @tbursztyka @nandojve
/drivers/ieee802154/ieee802154_cc13xx* @bwitherspoon @cfriedt /drivers/ieee802154/ieee802154_cc13xx* @bwitherspoon @cfriedt
/drivers/interrupt_controller/ @dcpleung @nashif /drivers/interrupt_controller/ @dcpleung @nashif

1
drivers/ieee802154/CMakeLists.txt
View file

@ -1,5 +1,6 @@
# SPDX-License-Identifier: Apache-2.0 # SPDX-License-Identifier: Apache-2.0
zephyr_sources_ifdef(CONFIG_IEEE802154_TELINK_B91 ieee802154_b91.c)
zephyr_sources_ifdef(CONFIG_IEEE802154_CC2520 ieee802154_cc2520.c) zephyr_sources_ifdef(CONFIG_IEEE802154_CC2520 ieee802154_cc2520.c)
zephyr_sources_ifdef(CONFIG_IEEE802154_KW41Z ieee802154_kw41z.c) zephyr_sources_ifdef(CONFIG_IEEE802154_KW41Z ieee802154_kw41z.c)
zephyr_sources_ifdef(CONFIG_IEEE802154_UPIPE ieee802154_uart_pipe.c) zephyr_sources_ifdef(CONFIG_IEEE802154_UPIPE ieee802154_uart_pipe.c)

2
drivers/ieee802154/Kconfig
View file

@ -57,6 +57,8 @@ config IEEE802154_VENDOR_OUI
endif # IEEE802154_VENDOR_OUI_ENABLE endif # IEEE802154_VENDOR_OUI_ENABLE
source "drivers/ieee802154/Kconfig.b91"
source "drivers/ieee802154/Kconfig.cc2520" source "drivers/ieee802154/Kconfig.cc2520"
source "drivers/ieee802154/Kconfig.kw41z" source "drivers/ieee802154/Kconfig.kw41z"

62
drivers/ieee802154/Kconfig.b91 Normal file
View file

@ -0,0 +1,62 @@
# Copyright (c) 2021 Telink Semiconductor
# SPDX-License-Identifier: Apache-2.0
# Telink B91 RF configuration options
menuconfig IEEE802154_TELINK_B91
bool "Telink B91 RF driver"
depends on NETWORKING
if IEEE802154_TELINK_B91
config IEEE802154_B91_DRV_NAME
string "b91 IEEE 802.15.4 Driver's name"
default "IEEE802154_b91"
help
This option sets the driver name
config IEEE802154_B91_INIT_PRIO
int "Telink B91 IEEE 802.15.4 initialization priority"
default 80
help
Set the initialization priority number. Do not mess with it unless
you know what you are doing.
config IEEE802154_B91_RANDOM_MAC
bool "Random MAC address"
default y
help
Generate a random MAC address dynamically.
if ! IEEE802154_B91_RANDOM_MAC
config IEEE802154_B91_MAC4
hex "MAC Address Byte 4"
default 0
range 0 0xff
help
This is the byte 4 of the MAC address.
config IEEE802154_B91_MAC5
hex "MAC Address Byte 5"
default 0
range 0 0xff
help
This is the byte 5 of the MAC address.
config IEEE802154_B91_MAC6
hex "MAC Address Byte 6"
default 0
range 0 0xff
help
This is the byte 6 of the MAC address.
config IEEE802154_B91_MAC7
hex "MAC Address Byte 7"
default 0
range 0 0xff
help
This is the byte 7 of the MAC address.
endif # ! IEEE802154_B91_RANDOM_MAC
endif # IEEE802154_TELINK_B91

618
drivers/ieee802154/ieee802154_b91.c Normal file
View file

@ -0,0 +1,618 @@
/*
* Copyright (c) 2021 Telink Semiconductor
*
* SPDX-License-Identifier: Apache-2.0
*/
#define DT_DRV_COMPAT telink_b91_zb
#include "rf.h"
#include "stimer.h"
#define LOG_MODULE_NAME ieee802154_b91
#if defined(CONFIG_IEEE802154_DRIVER_LOG_LEVEL)
#define LOG_LEVEL CONFIG_IEEE802154_DRIVER_LOG_LEVEL
#else
#define LOG_LEVEL LOG_LEVEL_NONE
#endif
#include <logging/log.h>
LOG_MODULE_REGISTER(LOG_MODULE_NAME);
#include <random/rand32.h>
#include <net/ieee802154_radio.h>
#if defined(CONFIG_NET_L2_OPENTHREAD)
#include <net/openthread.h>
#endif
#include "ieee802154_b91.h"
/* B91 data structure */
static struct b91_data data;
/* Set filter PAN ID */
static int b91_set_pan_id(uint16_t pan_id)
{
uint8_t pan_id_le[B91_PAN_ID_SIZE];
sys_put_le16(pan_id, pan_id_le);
memcpy(data.filter_pan_id, pan_id_le, B91_PAN_ID_SIZE);
return 0;
}
/* Set filter short address */
static int b91_set_short_addr(uint16_t short_addr)
{
uint8_t short_addr_le[B91_SHORT_ADDRESS_SIZE];
sys_put_le16(short_addr, short_addr_le);
memcpy(data.filter_short_addr, short_addr_le, B91_SHORT_ADDRESS_SIZE);
return 0;
}
/* Set filter IEEE address */
static int b91_set_ieee_addr(const uint8_t *ieee_addr)
{
memcpy(data.filter_ieee_addr, ieee_addr, B91_IEEE_ADDRESS_SIZE);
return 0;
}
/* Filter PAN ID, short address and IEEE address */
static bool b91_run_filter(uint8_t *rx_buffer)
{
/* Check destination PAN Id */
if (memcmp(&rx_buffer[B91_PAN_ID_OFFSET], data.filter_pan_id,
B91_PAN_ID_SIZE) != 0 &&
memcmp(&rx_buffer[B91_PAN_ID_OFFSET], B91_BROADCAST_ADDRESS,
B91_PAN_ID_SIZE) != 0) {
return false;
}
/* Check destination address */
switch (rx_buffer[B91_DEST_ADDR_TYPE_OFFSET] & B91_DEST_ADDR_TYPE_MASK) {
case B91_DEST_ADDR_TYPE_SHORT:
/* First check if the destination is broadcast */
/* If not broadcast, check if length and address matches */
if (memcmp(&rx_buffer[B91_DEST_ADDR_OFFSET], B91_BROADCAST_ADDRESS,
B91_SHORT_ADDRESS_SIZE) != 0 &&
memcmp(&rx_buffer[B91_DEST_ADDR_OFFSET], data.filter_short_addr,
B91_SHORT_ADDRESS_SIZE) != 0) {
return false;
}
break;
case B91_DEST_ADDR_TYPE_IEEE:
/* If not broadcast, check if length and address matches */
if ((net_if_get_link_addr(data.iface)->len != B91_IEEE_ADDRESS_SIZE) ||
memcmp(&rx_buffer[B91_DEST_ADDR_OFFSET], data.filter_ieee_addr,
B91_IEEE_ADDRESS_SIZE) != 0) {
return false;
}
break;
default:
return false;
}
return true;
}
/* Get MAC address */
static inline uint8_t *b91_get_mac(const struct device *dev)
{
struct b91_data *b91 = dev->data;
#if defined(CONFIG_IEEE802154_B91_RANDOM_MAC)
uint32_t *ptr = (uint32_t *)(b91->mac_addr);
UNALIGNED_PUT(sys_rand32_get(), ptr);
ptr = (uint32_t *)(b91->mac_addr + 4);
UNALIGNED_PUT(sys_rand32_get(), ptr);
/*
* Clear bit 0 to ensure it isn't a multicast address and set
* bit 1 to indicate address is locally administered and may
* not be globally unique.
*/
b91->mac_addr[0] = (b91->mac_addr[0] & ~0x01) | 0x02;
#else
/* Vendor Unique Identifier */
b91->mac_addr[0] = 0xC4;
b91->mac_addr[1] = 0x19;
b91->mac_addr[2] = 0xD1;
b91->mac_addr[3] = 0x00;
/* Extended Unique Identifier */
b91->mac_addr[4] = CONFIG_IEEE802154_B91_MAC4;
b91->mac_addr[5] = CONFIG_IEEE802154_B91_MAC5;
b91->mac_addr[6] = CONFIG_IEEE802154_B91_MAC6;
b91->mac_addr[7] = CONFIG_IEEE802154_B91_MAC7;
#endif
return b91->mac_addr;
}
/* Convert RSSI to LQI */
static uint8_t b91_convert_rssi_to_lqi(int8_t rssi)
{
uint32_t lqi32 = 0;
/* check for MIN value */
if (rssi < B91_RSSI_TO_LQI_MIN) {
return 0;
}
/* convert RSSI to LQI */
lqi32 = B91_RSSI_TO_LQI_SCALE * (rssi - B91_RSSI_TO_LQI_MIN);
/* check for MAX value */
if (lqi32 > 0xFF) {
lqi32 = 0xFF;
}
return (uint8_t)lqi32;
}
/* Update RSSI and LQI parameters */
static void b91_update_rssi_and_lqi(struct net_pkt *pkt)
{
int8_t rssi;
uint8_t lqi;
rssi = ((signed char)(data.rx_buffer
[data.rx_buffer[B91_LENGTH_OFFSET] + B91_RSSI_OFFSET])) - 110;
lqi = b91_convert_rssi_to_lqi(rssi);
net_pkt_set_ieee802154_lqi(pkt, lqi);
net_pkt_set_ieee802154_rssi(pkt, rssi);
}
/* Prepare TX buffer */
static void b91_set_tx_payload(uint8_t *payload, uint8_t payload_len)
{
unsigned char rf_data_len;
unsigned int rf_tx_dma_len;
rf_data_len = payload_len + 1;
rf_tx_dma_len = rf_tx_packet_dma_len(rf_data_len);
data.tx_buffer[0] = rf_tx_dma_len & 0xff;
data.tx_buffer[1] = (rf_tx_dma_len >> 8) & 0xff;
data.tx_buffer[2] = (rf_tx_dma_len >> 16) & 0xff;
data.tx_buffer[3] = (rf_tx_dma_len >> 24) & 0xff;
data.tx_buffer[4] = payload_len + 2;
memcpy(data.tx_buffer + B91_PAYLOAD_OFFSET, payload, payload_len);
}
/* Enable ack handler */
static void b91_handle_ack_en(void)
{
data.ack_handler_en = true;
}
/* Disable ack handler */
static void b91_handle_ack_dis(void)
{
data.ack_handler_en = false;
}
/* Handle acknowledge packet */
static void b91_handle_ack(void)
{
struct net_pkt *ack_pkt;
/* allocate ack packet */
ack_pkt = net_pkt_alloc_with_buffer(data.iface, B91_ACK_FRAME_LEN,
AF_UNSPEC, 0, K_NO_WAIT);
if (!ack_pkt) {
LOG_ERR("No free packet available.");
return;
}
/* update packet data */
if (net_pkt_write(ack_pkt, data.rx_buffer + B91_PAYLOAD_OFFSET,
B91_ACK_FRAME_LEN) < 0) {
LOG_ERR("Failed to write to a packet.");
goto out;
}
/* update RSSI and LQI */
b91_update_rssi_and_lqi(ack_pkt);
/* init net cursor */
net_pkt_cursor_init(ack_pkt);
/* handle ack */
if (ieee802154_radio_handle_ack(data.iface, ack_pkt) != NET_OK) {
LOG_INF("ACK packet not handled - releasing.");
}
/* release ack_wait semaphore */
k_sem_give(&data.ack_wait);
out:
net_pkt_unref(ack_pkt);
}
/* Send acknowledge packet */
static void b91_send_ack(uint8_t seq_num)
{
uint8_t ack_buf[] = { B91_ACK_TYPE, 0, seq_num };
b91_set_tx_payload(ack_buf, sizeof(ack_buf));
rf_set_txmode();
delay_us(B91_SET_TRX_MODE_DELAY_US);
rf_tx_pkt(data.tx_buffer);
}
/* RX IRQ handler */
static void b91_rf_rx_isr(void)
{
uint8_t status;
uint8_t length;
uint8_t *payload;
struct net_pkt *pkt;
/* disable DMA and clread IRQ flag */
dma_chn_dis(DMA1);
rf_clr_irq_status(FLD_RF_IRQ_RX);
/* check CRC */
if (rf_zigbee_packet_crc_ok(data.rx_buffer)) {
/* get payload length */
if (IS_ENABLED(CONFIG_IEEE802154_RAW_MODE) ||
IS_ENABLED(CONFIG_NET_L2_OPENTHREAD)) {
length = data.rx_buffer[B91_LENGTH_OFFSET];
} else {
length = data.rx_buffer[B91_LENGTH_OFFSET] - B91_FCS_LENGTH;
}
/* check length */
if ((length < B91_PAYLOAD_MIN) || (length > B91_PAYLOAD_MAX)) {
LOG_ERR("Invalid length\n");
goto exit;
}
/* get payload */
payload = (uint8_t *)(data.rx_buffer + B91_PAYLOAD_OFFSET);
/* handle acknowledge packet if enabled */
if ((length == (B91_ACK_FRAME_LEN + B91_FCS_LENGTH)) &&
(payload[B91_FRAME_TYPE_OFFSET] == B91_ACK_TYPE)) {
if (data.ack_handler_en) {
b91_handle_ack();
}
goto exit;
}
/* run filter (check PAN ID and destination address) */
if (b91_run_filter(payload) == false) {
LOG_DBG("Packet received is not addressed to me");
goto exit;
}
/* send ack if requested */
if (payload[B91_FRAME_TYPE_OFFSET] & B91_ACK_REQUEST) {
b91_send_ack(payload[B91_DSN_OFFSET]);
}
/* get packet pointer from NET stack */
pkt = net_pkt_alloc_with_buffer(data.iface, length, AF_UNSPEC, 0, K_NO_WAIT);
if (!pkt) {
LOG_ERR("No pkt available");
goto exit;
}
/* update packet data */
if (net_pkt_write(pkt, payload, length)) {
LOG_ERR("Failed to write to a packet.");
goto exit;
}
/* update RSSI and LQI prameters */
b91_update_rssi_and_lqi(pkt);
/* transfer data to NET stack */
status = net_recv_data(data.iface, pkt);
if (status < 0) {
LOG_ERR("RCV Packet dropped by NET stack: %d", status);
net_pkt_unref(pkt);
}
}
exit:
dma_chn_en(DMA1);
}
/* TX IRQ handler */
static void b91_rf_tx_isr(void)
{
/* clear irq status */
rf_clr_irq_status(FLD_RF_IRQ_TX);
/* release tx semaphore */
k_sem_give(&data.tx_wait);
/* set to rx mode */
rf_set_rxmode();
}
/* IRQ handler */
static void b91_rf_isr(void)
{
if (rf_get_irq_status(FLD_RF_IRQ_RX)) {
b91_rf_rx_isr();
} else if (rf_get_irq_status(FLD_RF_IRQ_TX)) {
b91_rf_tx_isr();
}
}
/* Driver initialization */
static int b91_init(const struct device *dev)
{
struct b91_data *b91 = dev->data;
/* init semaphores */
k_sem_init(&b91->tx_wait, 0, 1);
k_sem_init(&b91->ack_wait, 0, 1);
/* init rf module */
rf_mode_init();
rf_set_zigbee_250K_mode();
rf_set_tx_dma(2, B91_TRX_LENGTH);
rf_set_rx_dma(data.rx_buffer, 3, B91_TRX_LENGTH);
rf_set_rxmode();
/* init IRQs */
IRQ_CONNECT(DT_INST_IRQN(0), DT_INST_IRQ(0, priority), b91_rf_isr, 0, 0);
riscv_plic_irq_enable(DT_INST_IRQN(0));
riscv_plic_set_priority(DT_INST_IRQN(0), DT_INST_IRQ(0, priority));
rf_set_irq_mask(FLD_RF_IRQ_RX | FLD_RF_IRQ_TX);
/* init data variables */
data.is_started = true;
data.ack_handler_en = false;
return 0;
}
/* API implementation: iface_init */
static void b91_iface_init(struct net_if *iface)
{
const struct device *dev = net_if_get_device(iface);
struct b91_data *b91 = dev->data;
uint8_t *mac = b91_get_mac(dev);
net_if_set_link_addr(iface, mac, B91_IEEE_ADDRESS_SIZE, NET_LINK_IEEE802154);
b91->iface = iface;
ieee802154_init(iface);
}
/* API implementation: get_capabilities */
static enum ieee802154_hw_caps b91_get_capabilities(const struct device *dev)
{
ARG_UNUSED(dev);
return IEEE802154_HW_FCS | IEEE802154_HW_2_4_GHZ |
IEEE802154_HW_FILTER | IEEE802154_HW_TX_RX_ACK;
}
/* API implementation: cca */
static int b91_cca(const struct device *dev)
{
ARG_UNUSED(dev);
unsigned int t1 = stimer_get_tick();
while (!clock_time_exceed(t1, B91_CCA_TIME_MAX_US)) {
if (rf_get_rssi() < B91_CCA_RSSI_MIN) {
return 0;
}
}
return -EBUSY;
}
/* API implementation: set_channel */
static int b91_set_channel(const struct device *dev, uint16_t channel)
{
ARG_UNUSED(dev);
if (channel < 11 || channel > 26) {
return -EINVAL;
}
rf_set_chn(B91_LOGIC_CHANNEL_TO_PHYSICAL(channel));
return 0;
}
/* API implementation: filter */
static int b91_filter(const struct device *dev,
bool set,
enum ieee802154_filter_type type,
const struct ieee802154_filter *filter)
{
if (!set) {
return -ENOTSUP;
}
if (type == IEEE802154_FILTER_TYPE_IEEE_ADDR) {
return b91_set_ieee_addr(filter->ieee_addr);
} else if (type == IEEE802154_FILTER_TYPE_SHORT_ADDR) {
return b91_set_short_addr(filter->short_addr);
} else if (type == IEEE802154_FILTER_TYPE_PAN_ID) {
return b91_set_pan_id(filter->pan_id);
}
return -ENOTSUP;
}
/* API implementation: set_txpower */
static int b91_set_txpower(const struct device *dev, int16_t dbm)
{
ARG_UNUSED(dev);
/* check for supported Min/Max range */
if (dbm < B91_TX_POWER_MIN) {
dbm = B91_TX_POWER_MIN;
} else if (dbm > B91_TX_POWER_MAX) {
dbm = B91_TX_POWER_MAX;
}
/* set TX power */
rf_set_power_level(b91_tx_pwr_lt[dbm - B91_TX_POWER_MIN]);
return 0;
}
/* API implementation: start */
static int b91_start(const struct device *dev)
{
ARG_UNUSED(dev);
/* check if RF is already started */
if (!data.is_started) {
rf_set_rxmode();
delay_us(B91_SET_TRX_MODE_DELAY_US);
riscv_plic_irq_enable(DT_INST_IRQN(0));
data.is_started = true;
}
return 0;
}
/* API implementation: stop */
static int b91_stop(const struct device *dev)
{
ARG_UNUSED(dev);
/* check if RF is already stopped */
if (data.is_started) {
riscv_plic_irq_disable(DT_INST_IRQN(0));
rf_set_tx_rx_off();
delay_us(B91_SET_TRX_MODE_DELAY_US);
data.is_started = false;
}
return 0;
}
/* API implementation: tx */
static int b91_tx(const struct device *dev,
enum ieee802154_tx_mode mode,
struct net_pkt *pkt,
struct net_buf *frag)
{
ARG_UNUSED(pkt);
int status;
struct b91_data *b91 = dev->data;
/* check for supported mode */
if (mode != IEEE802154_TX_MODE_DIRECT) {
LOG_DBG("TX mode %d not supported", mode);
return -ENOTSUP;
}
/* prepare tx buffer */
b91_set_tx_payload(frag->data, frag->len);
/* reset semaphores */
k_sem_reset(&b91->tx_wait);
k_sem_reset(&b91->ack_wait);
/* start transmission */
rf_set_txmode();
delay_us(B91_SET_TRX_MODE_DELAY_US);
rf_tx_pkt(data.tx_buffer);
/* wait for tx done */
status = k_sem_take(&b91->tx_wait, K_MSEC(B91_TX_WAIT_TIME_MS));
if (status != 0) {
rf_set_rxmode();
return -EIO;
}
/* wait for ACK if requested */
if (frag->data[B91_FRAME_TYPE_OFFSET] & B91_ACK_REQUEST) {
b91_handle_ack_en();
status = k_sem_take(&b91->ack_wait, K_MSEC(B91_ACK_WAIT_TIME_MS));
b91_handle_ack_dis();
}
return status;
}
/* API implementation: ed_scan */
static int b91_ed_scan(const struct device *dev, uint16_t duration,
energy_scan_done_cb_t done_cb)
{
ARG_UNUSED(dev);
ARG_UNUSED(duration);
ARG_UNUSED(done_cb);
/* ed_scan not supported */
return -ENOTSUP;
}
/* API implementation: configure */
static int b91_configure(const struct device *dev,
enum ieee802154_config_type type,
const struct ieee802154_config *config)
{
ARG_UNUSED(dev);
ARG_UNUSED(type);
ARG_UNUSED(config);
/* configure not supported */
return -ENOTSUP;
}
/* IEEE802154 driver APIs structure */
static struct ieee802154_radio_api b91_radio_api = {
.iface_api.init = b91_iface_init,
.get_capabilities = b91_get_capabilities,
.cca = b91_cca,
.set_channel = b91_set_channel,
.filter = b91_filter,
.set_txpower = b91_set_txpower,
.start = b91_start,
.stop = b91_stop,
.tx = b91_tx,
.ed_scan = b91_ed_scan,
.configure = b91_configure,
};
#if defined(CONFIG_NET_L2_IEEE802154)
#define L2 IEEE802154_L2
#define L2_CTX_TYPE NET_L2_GET_CTX_TYPE(IEEE802154_L2)
#define MTU 125
#elif defined(CONFIG_NET_L2_OPENTHREAD)
#define L2 OPENTHREAD_L2
#define L2_CTX_TYPE NET_L2_GET_CTX_TYPE(OPENTHREAD_L2)
#define MTU 1280
#endif
/* IEEE802154 driver registration */
#if defined(CONFIG_NET_L2_IEEE802154) || defined(CONFIG_NET_L2_OPENTHREAD)
NET_DEVICE_INIT(b91_154_radio, CONFIG_IEEE802154_B91_DRV_NAME,
b91_init, NULL, &data, NULL,
CONFIG_IEEE802154_B91_INIT_PRIO,
&b91_radio_api, L2,
L2_CTX_TYPE, MTU);
#else
DEVICE_DEFINE(b91_154_radio, CONFIG_IEEE802154_B91_DRV_NAME,
b91_init, NULL, &data, NULL,
POST_KERNEL, CONFIG_IEEE802154_B91_INIT_PRIO,
&b91_radio_api);
#endif

107
drivers/ieee802154/ieee802154_b91.h Normal file
View file

@ -0,0 +1,107 @@
/*
* Copyright (c) 2021 Telink Semiconductor
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_IEEE802154_IEEE802154_B91_H_
#define ZEPHYR_DRIVERS_IEEE802154_IEEE802154_B91_H_
/* Timeouts */
#define B91_TX_WAIT_TIME_MS (10)
#define B91_ACK_WAIT_TIME_MS (10)
#define B91_SET_TRX_MODE_DELAY_US (100)
/* Received data parsing */
#define B91_PAYLOAD_OFFSET (5)
#define B91_PAYLOAD_MIN (5)
#define B91_PAYLOAD_MAX (127)
#define B91_FRAME_TYPE_OFFSET (0)
#define B91_DEST_ADDR_TYPE_OFFSET (1)
#define B91_DEST_ADDR_TYPE_MASK (0x0c)
#define B91_DEST_ADDR_TYPE_SHORT (8)
#define B91_DEST_ADDR_TYPE_IEEE (0x0c)
#define B91_PAN_ID_OFFSET (3)
#define B91_PAN_ID_SIZE (2)
#define B91_DEST_ADDR_OFFSET (5)
#define B91_SHORT_ADDRESS_SIZE (2)
#define B91_IEEE_ADDRESS_SIZE (8)
#define B91_LENGTH_OFFSET (4)
#define B91_RSSI_OFFSET (11)
#define B91_BROADCAST_ADDRESS ((uint8_t [2]) { 0xff, 0xff })
#define B91_ACK_FRAME_LEN (3)
#define B91_ACK_TYPE (2)
#define B91_ACK_REQUEST (1 << 5)
#define B91_DSN_OFFSET (2)
#define B91_FCS_LENGTH (2)
/* Generic */
#define B91_TRX_LENGTH (256)
#define B91_RSSI_TO_LQI_SCALE (3)
#define B91_RSSI_TO_LQI_MIN (-87)
#define B91_CCA_RSSI_MIN (-60)
#define B91_CCA_TIME_MAX_US (200)
#define B91_LOGIC_CHANNEL_TO_PHYSICAL(p) (((p) - 10) * 5)
/* TX power lookup table */
#define B91_TX_POWER_MIN (-30)
#define B91_TX_POWER_MAX (9)
static const uint8_t b91_tx_pwr_lt[] = {
RF_POWER_N30dBm, /* -30.0 dBm: -30 */
RF_POWER_N30dBm, /* -30.0 dBm: -29 */
RF_POWER_N30dBm, /* -30.0 dBm: -28 */
RF_POWER_N30dBm, /* -30.0 dBm: -27 */
RF_POWER_N30dBm, /* -30.0 dBm: -26 */
RF_POWER_N23p54dBm, /* -23.5 dBm: -25 */
RF_POWER_N23p54dBm, /* -23.5 dBm: -24 */
RF_POWER_N23p54dBm, /* -23.5 dBm: -23 */
RF_POWER_N23p54dBm, /* -23.5 dBm: -22 */
RF_POWER_N23p54dBm, /* -23.5 dBm: -21 */
RF_POWER_N17p83dBm, /* -17.8 dBm: -20 */
RF_POWER_N17p83dBm, /* -17.8 dBm: -19 */
RF_POWER_N17p83dBm, /* -17.8 dBm: -18 */
RF_POWER_N17p83dBm, /* -17.8 dBm: -17 */
RF_POWER_N17p83dBm, /* -17.8 dBm: -16 */
RF_POWER_N12p06dBm, /* -12.0 dBm: -15 */
RF_POWER_N12p06dBm, /* -12.0 dBm: -14 */
RF_POWER_N12p06dBm, /* -12.0 dBm: -13 */
RF_POWER_N12p06dBm, /* -12.0 dBm: -12 */
RF_POWER_N12p06dBm, /* -12.0 dBm: -11 */
RF_POWER_N8p78dBm, /* -8.7 dBm: -10 */
RF_POWER_N8p78dBm, /* -8.7 dBm: -9 */
RF_POWER_N8p78dBm, /* -8.7 dBm: -8 */
RF_POWER_N6p54dBm, /* -6.5 dBm: -7 */
RF_POWER_N6p54dBm, /* -6.5 dBm: -6 */
RF_POWER_N4p77dBm, /* -4.7 dBm: -5 */
RF_POWER_N4p77dBm, /* -4.7 dBm: -4 */
RF_POWER_N3p37dBm, /* -3.3 dBm: -3 */
RF_POWER_N2p01dBm, /* -2.0 dBm: -2 */
RF_POWER_N1p37dBm, /* -1.3 dBm: -1 */
RF_POWER_P0p01dBm, /* 0.0 dBm: 0 */
RF_POWER_P0p80dBm, /* 0.8 dBm: 1 */
RF_POWER_P2p32dBm, /* 2.3 dBm: 2 */
RF_POWER_P3p25dBm, /* 3.2 dBm: 3 */
RF_POWER_P4p35dBm, /* 4.3 dBm: 4 */
RF_POWER_P5p68dBm, /* 5.6 dBm: 5 */
RF_POWER_P5p68dBm, /* 5.6 dBm: 6 */
RF_POWER_P6p98dBm, /* 6.9 dBm: 7 */
RF_POWER_P8p05dBm, /* 8.0 dBm: 8 */
RF_POWER_P9p11dBm, /* 9.1 dBm: 9 */
};
/* data structure */
struct b91_data {
uint8_t mac_addr[B91_IEEE_ADDRESS_SIZE];
uint8_t rx_buffer[B91_TRX_LENGTH];
uint8_t tx_buffer[B91_TRX_LENGTH];
struct net_if *iface;
struct k_sem tx_wait;
struct k_sem ack_wait;
uint8_t filter_pan_id[B91_PAN_ID_SIZE];
uint8_t filter_short_addr[B91_SHORT_ADDRESS_SIZE];
uint8_t filter_ieee_addr[B91_IEEE_ADDRESS_SIZE];
bool is_started;
bool ack_handler_en;
};
#endif