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/*
* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
* Copyright (C) 2014 Freie Universitรคt Berlin
* Copyright (C) 2013 INRIA
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup drivers_cc110x
* @{
*
* @file
* @brief Data structures and variables for the cc110x driver interface
*
* @author Oliver Hahm <oliver.hahm@inria.fr>
* @author Kaspar Schleiser <kaspar@schleiser.de>
*/
#ifndef CC110X_INTERNAL_H
#define CC110X_INTERNAL_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define CC110X_RXBUF_SIZE (2)
#define CC110X_MAX_DATA_LENGTH (58+64)
#define CC110X_HEADER_LENGTH (3) /**< Header covers SRC, DST and
FLAGS */
#define CC110X_BROADCAST_ADDRESS (0x00) /**< CC110X broadcast address */
#define MIN_UID (0x01) /**< Minimum UID of a node is
1 */
#define MAX_UID (0xFF) /**< Maximum UID of a node is
255 */
#define MIN_CHANNR (0) /**< Minimum channel number */
#define MAX_CHANNR (24) /**< Maximum channel number */
#define CC110X_PACKET_LENGTH (0xFF) /**< max packet length = 255b */
#define CC110X_SYNC_WORD_TX_TIME (90000) /**< loop count (max. timeout ~15ms)
to wait for sync word to be
transmitted (GDO2 from low to
high) */
#define RESET_WAIT_TIME (610) /**< Reset wait time (in reset
procedure) */
#define IDLE_TO_RX_TIME (122) /**< Time chip needs to go to RX */
#define CS_SO_WAIT_TIME (488) /**< Time to wait for SO to go low
after CS */
#define CC110X_GDO1_LOW_RETRY (100) /**< Max. retries for SO to go low
after CS */
#ifndef CC110X_DEFAULT_CHANNEL
#define CC110X_DEFAULT_CHANNEL (0) /**< The default channel number */
#endif
#define CC110X_MIN_CHANNR (0) /**< lowest possible channel number */
#define CC110X_MAX_CHANNR (0) /**< highest possible channel number */
/**
* @name State values for state machine
* @{
*/
enum {
RADIO_UNKNOWN,
RADIO_IDLE,
RADIO_TX_BUSY,
RADIO_RX,
RADIO_RX_BUSY,
RADIO_PWD,
};
/** @} */
/**
* @brief array holding cc110x register values
*/
extern char cc110x_conf[];
/**
* @brief CC110X layer 0 protocol
*
* <pre>
---------------------------------------------------
| | | | | |
| Length | Address | PhySrc | Flags | Data |
| | | | | |
---------------------------------------------------
1 byte 1 byte 1 byte 1 byte <= 251 bytes
Flags:
Bit | Meaning
--------------------
7:4 | -
3:1 | Protocol
0 | Identification
</pre>
Notes:
\li length & address are given by CC110X
\li Identification is increased is used to scan duplicates. It must be increased
for each new packet and kept for packet retransmissions.
*/
typedef struct __attribute__((packed))
{
uint8_t length; /**< Length of the packet (without length byte) */
uint8_t address; /**< Destination address */
uint8_t phy_src; /**< Source address (physical source) */
uint8_t flags; /**< Flags */
uint8_t data[CC110X_MAX_DATA_LENGTH]; /**< Data (high layer protocol) */
} cc110x_pkt_t;
/**
* @brief struct holding cc110x packet + metadata
*/
typedef struct {
uint8_t rssi; /**< RSSI value */
uint8_t lqi; /**< link quality indicator */
uint8_t pos; /**< I have no clue. */
cc110x_pkt_t packet; /**< whole packet */
} cc110x_pkt_buf_t;
/**
* @brief enum for holding cc110x radio on/off state */
enum cc110x_radio_mode {
RADIO_MODE_GET = -1, /**< leave mode unchanged */
RADIO_MODE_OFF = 0, /**< turn radio off */
RADIO_MODE_ON = 1 /**< turn radio on */
};
/**
* @brief CC110x register configuration
*/
typedef struct {
uint8_t _IOCFG2; /**< GDO2 output pin configuration */
uint8_t _IOCFG1; /**< GDO1 output pin configuration */
uint8_t _IOCFG0; /**< GDO0 output pin configuration */
uint8_t _FIFOTHR; /**< RX FIFO and TX FIFO thresholds */
uint8_t _SYNC1; /**< Sync word, high byte */
uint8_t _SYNC0; /**< Sync word, low byte */
uint8_t _PKTLEN; /**< Packet length */
uint8_t _PKTCTRL1; /**< Packet automation control */
uint8_t _PKTCTRL0; /**< Packet automation control */
uint8_t _ADDR; /**< Device address */
uint8_t _CHANNR; /**< Channel number */
uint8_t _FSCTRL1; /**< Frequency synthesizer control */
uint8_t _FSCTRL0; /**< Frequency synthesizer control */
uint8_t _FREQ2; /**< Frequency control word, high byte */
uint8_t _FREQ1; /**< Frequency control word, middle byte */
uint8_t _FREQ0; /**< Frequency control word, low byte */
uint8_t _MDMCFG4; /**< Modem configuration */
uint8_t _MDMCFG3; /**< Modem configuration */
uint8_t _MDMCFG2; /**< Modem configuration */
uint8_t _MDMCFG1; /**< Modem configuration */
uint8_t _MDMCFG0; /**< Modem configuration */
uint8_t _DEVIATN; /**< Modem deviation setting */
uint8_t _MCSM2; /**< Main Radio Control State Machine configuration */
uint8_t _MCSM1; /**< Main Radio Control State Machine configuration */
uint8_t _MCSM0; /**< Main Radio Control State Machine configuration */
uint8_t _FOCCFG; /**< Frequency Offset Compensation configuration */
uint8_t _BSCFG; /**< Bit Synchronization configuration */
uint8_t _AGCCTRL2; /**< AGC control */
uint8_t _AGCCTRL1; /**< AGC control */
uint8_t _AGCCTRL0; /**< AGC control */
uint8_t _WOREVT1; /**< High byte Event 0 timeout */
uint8_t _WOREVT0; /**< Low byte Event 0 timeout */
uint8_t _WORCTRL; /**< Wake On Radio control */
uint8_t _FREND1; /**< Front end RX configuration */
uint8_t _FREND0; /**< Front end TX configuration */
uint8_t _FSCAL3; /**< Frequency synthesizer calibration */
uint8_t _FSCAL2; /**< Frequency synthesizer calibration */
uint8_t _FSCAL1; /**< Frequency synthesizer calibration */
uint8_t _FSCAL0; /**< Frequency synthesizer calibration */
} cc110x_reg_t;
/**
* @brief CC110x radio configuration
*/
typedef struct {
cc110x_reg_t reg_cfg; /**< CC110X register configuration */
uint8_t pa_power; /**< Output power setting */
} cc110x_cfg_t;
/**
* @brief Radio Control Flags
*/
typedef struct {
uint8_t _RSSI; /**< The RSSI value of last received packet */
uint8_t _LQI; /**< The LQI value of the last received packet */
} cc110x_flags_t;
/**
* @brief Statistic interface for debugging
*/
typedef struct cc110x_statistic {
uint32_t packets_in; /**< total nr of packets received */
uint32_t packets_in_crc_fail; /**< dropped because of invalid crc */
uint32_t packets_in_while_tx; /**< receive while tx */
uint32_t raw_packets_out; /**< packets sent */
} cc110x_statistic_t;
#ifdef __cplusplus
}
#endif
/** @} */
#endif /* CC110X_INTERNAL_H */
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