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176 lines
4.8 KiB
C
176 lines
4.8 KiB
C
/*
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* Copyright (C) 2009 Freie Universität Berlin
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* Copyright (C) 2013 INRIA
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @defgroup drivers_cc110x_ng CC110x_ng
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* @brief Next generation version of the TI CC110x driver
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* @ingroup drivers
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* @{
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*
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* @file cc110x_ng.h
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* @brief Data structures and variables for the cc110x driver interface
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*
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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*/
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#ifndef CC1100_H
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#define CC1100_H
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#include <radio/radio.h>
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#include <radio/types.h>
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#include <stdint.h>
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#include <cc110x-config.h>
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#define CC1100_MAX_DATA_LENGTH (58)
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#define CC1100_HEADER_LENGTH (3) ///< Header covers SRC, DST and FLAGS
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#define CC1100_BROADCAST_ADDRESS (0x00) ///< CC1100 broadcast address
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#define MAX_UID (0xFF) ///< Maximum UID of a node is 255
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#define MIN_UID (0x01) ///< Minimum UID of a node is 1
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#define MIN_CHANNR (0) ///< Minimum channel number
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#define MAX_CHANNR (24) ///< Maximum channel number
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#define MIN_OUTPUT_POWER (0) ///< Minimum output power value
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#define MAX_OUTPUT_POWER (11) ///< Maximum output power value
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#define PACKET_LENGTH (0x3E) ///< Packet length = 62 Bytes.
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#define CC1100_SYNC_WORD_TX_TIME (90000) // loop count (max. timeout ~ 15 ms) to wait for
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// sync word to be transmitted (GDO2 from low to high)
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/**
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* @name Defines used as state values for state machine
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* @{
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*/
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#define RADIO_UNKNOWN (0)
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#define RADIO_AIR_FREE_WAITING (1)
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#define RADIO_WOR (2)
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#define RADIO_IDLE (3)
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#define RADIO_SEND_BURST (4)
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#define RADIO_RX (5)
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#define RADIO_SEND_ACK (6)
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#define RADIO_PWD (7)
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/** @} */
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extern volatile cc110x_flags rflags; ///< Radio flags
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extern char cc110x_conf[];
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/**
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* @brief CC1100 layer 0 protocol
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*
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* <pre>
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---------------------------------------------------
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| | | | | |
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| Length | Address | PhySrc | Flags | Data |
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| | | | | |
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---------------------------------------------------
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1 byte 1 byte 1 byte 1 byte <= 58 bytes
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Flags:
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Bit | Meaning
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--------------------
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7:4 | -
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3:1 | Protocol
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0 | Identification
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</pre>
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Notes:
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\li length & address are given by CC1100
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\li Identification is increased is used to scan duplicates. It must be increased
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for each new packet and kept for packet retransmissions.
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*/
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typedef struct __attribute__((packed))
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{
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uint8_t length; ///< Length of the packet (without length byte)
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uint8_t address; ///< Destination address
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uint8_t phy_src; ///< Source address (physical source)
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uint8_t flags; ///< Flags
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uint8_t data[CC1100_MAX_DATA_LENGTH]; ///< Data (high layer protocol)
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}
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cc110x_packet_t;
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typedef struct {
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uint8_t rssi;
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uint8_t lqi;
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cc110x_packet_t packet;
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} rx_buffer_t;
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enum radio_mode {
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RADIO_MODE_GET = -1, ///< leave mode unchanged
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RADIO_MODE_OFF = 0, ///< turn radio off
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RADIO_MODE_ON = 1 ///< turn radio on
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};
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extern rx_buffer_t cc110x_rx_buffer[];
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extern volatile uint8_t rx_buffer_next; ///< Next packet in RX queue
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extern volatile uint8_t radio_state; ///< Radio state
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extern cc110x_statistic_t cc110x_statistic;
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int transceiver_pid; ///< the transceiver thread pid
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void cc110x_init(int transceiver_pid);
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void cc110x_rx_handler(void);
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uint8_t cc110x_send(cc110x_packet_t *pkt);
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uint8_t cc110x_get_buffer_pos(void);
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void cc110x_setup_rx_mode(void);
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void cc110x_switch_to_rx(void);
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void cc110x_wakeup_from_rx(void);
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void cc110x_switch_to_pwd(void);
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void cc110x_disable_interrupts(void);
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int16_t cc110x_set_config_channel(uint8_t channr);
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int16_t cc110x_set_channel(uint8_t channr);
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int16_t cc110x_get_channel(void);
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radio_address_t cc110x_set_address(radio_address_t addr);
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radio_address_t cc110x_set_config_address(radio_address_t addr);
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radio_address_t cc110x_get_address(void);
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void cc110x_set_monitor(uint8_t mode);
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void cc110x_print_config(void);
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/**
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* @brief GDO0 interrupt handler.
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*/
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void cc110x_gdo0_irq(void);
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/**
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* @brief GDO2 interrupt handler.
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*
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* @note Wakes up MCU on packet reception.
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*/
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void cc110x_gdo2_irq(void);
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#ifdef DBG_IGNORE
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/**
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* @brief Initialize ignore function
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*/
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void cc110x_init_ignore(void);
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/**
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* @brief Adds a address to the ignore list
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*
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* @param addr The physical address to be ignored
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*
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* @return 0 if list is full, 1 otherwise
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*
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*/
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uint8_t cc110x_add_ignored(radio_address_t addr);
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#endif
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/** @} */
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#endif
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