89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*
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* Copyright (c) 2019 Brett Witherspoon
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* References are to the IEEE 802.15.4-2020 standard.
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*/
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#ifndef ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC13XX_CC26XX_H_
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#define ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC13XX_CC26XX_H_
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#include <zephyr/kernel.h>
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#include <zephyr/net/net_if.h>
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#include <zephyr/net/ieee802154.h>
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#include <zephyr/net/ieee802154_radio.h>
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#include <ti/drivers/rf/RF.h>
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#include <driverlib/rf_common_cmd.h>
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#include <driverlib/rf_data_entry.h>
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#include <driverlib/rf_ieee_cmd.h>
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#include <driverlib/rf_mailbox.h>
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/* For O-QPSK the physical and MAC timing symbol rates are the same, see section 12.3.3. */
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#define IEEE802154_2450MHZ_OQPSK_SYMBOLS_PER_SECOND \
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IEEE802154_PHY_SYMBOLS_PER_SECOND(IEEE802154_PHY_OQPSK_780_TO_2450MHZ_SYMBOL_PERIOD_NS)
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/* PHY PIB attribute phyCcaMode - CCA Mode 3: Carrier sense with energy above threshold, see
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* section 11.3, table 11-2 and section 10.2.8
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*/
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#define IEEE802154_PHY_CCA_MODE 3
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#define IEEE802154_PHY_SHR_DURATION 10 /* in symbols, 8 preamble and 2 SFD, see section 12.1.2 */
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#define IEEE802154_PHY_SYMBOLS_PER_OCTET 2 /* see section 12.2.1 */
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/* ACK is 2 bytes for PHY header + 2 bytes MAC header + 2 bytes MAC footer */
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#define IEEE802154_ACK_FRAME_OCTETS 6
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/* IEEE 802.15.4-2006 MAC PIB attributes (7.4.2)
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*
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* The macAckWaitDuration attribute does not include aUnitBackoffPeriod for
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* non-beacon enabled PANs (See IEEE 802.15.4-2006 7.5.6.4.2)
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*/
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#define IEEE802154_MAC_ACK_WAIT_DURATION \
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(IEEE802154_PHY_A_TURNAROUND_TIME_DEFAULT + IEEE802154_PHY_SHR_DURATION + \
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IEEE802154_ACK_FRAME_OCTETS * IEEE802154_PHY_SYMBOLS_PER_OCTET)
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#define CC13XX_CC26XX_RAT_CYCLES_PER_SECOND 4000000
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#define CC13XX_CC26XX_NUM_RX_BUF 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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#define CC13XX_CC26XX_RECEIVER_SENSITIVITY -100
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#define CC13XX_CC26XX_INVALID_RSSI INT8_MIN
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struct ieee802154_cc13xx_cc26xx_data {
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RF_Handle rf_handle;
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RF_Object rf_object;
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struct net_if *iface;
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uint8_t mac[8]; /* in big endian */
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struct k_mutex tx_mutex;
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dataQueue_t rx_queue;
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rfc_dataEntryPointer_t rx_entry[CC13XX_CC26XX_NUM_RX_BUF];
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uint8_t rx_data[CC13XX_CC26XX_NUM_RX_BUF]
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[CC13XX_CC26XX_RX_BUF_SIZE] __aligned(4);
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volatile rfc_CMD_FS_t cmd_fs;
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volatile rfc_CMD_IEEE_CCA_REQ_t cmd_ieee_cca_req;
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volatile rfc_CMD_IEEE_RX_t cmd_ieee_rx;
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volatile rfc_CMD_IEEE_CSMA_t cmd_ieee_csma;
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volatile rfc_CMD_IEEE_TX_t cmd_ieee_tx;
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volatile rfc_CMD_IEEE_RX_ACK_t cmd_ieee_rx_ack;
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volatile rfc_CMD_RADIO_SETUP_t cmd_radio_setup;
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volatile int16_t saved_cmdhandle;
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};
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#endif /* ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC13XX_CC26XX_H_ */
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