sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
7b8ef5dc1b
nuttx/drivers/wireless/ieee802154/xbee/xbee.h
anjiahao d1d46335df Replace nxsem API when used as a lock with nxmutex API 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-17 15:59:46 +09:00

490 lines
17 KiB
C
Raw Blame History

/****************************************************************************
* drivers/wireless/ieee802154/xbee/xbee.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_WIRELESS_IEEE802154_XBEE_XBEE_H
#define __DRIVERS_WIRELESS_IEEE802154_XBEE_XBEE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/wqueue.h>
#include <nuttx/mutex.h>
#include <nuttx/semaphore.h>
#include <nuttx/spi/spi.h>
#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
#include <nuttx/wireless/ieee802154/xbee.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#if !defined(CONFIG_SCHED_HPWORK) || !defined(CONFIG_SCHED_LPWORK)
# error Both Low and High priority work queues are required for this driver
#endif
#ifndef CONFIG_IEEE802154_XBEE_FREQUENCY
# define CONFIG_IEEE802154_XBEE_FREQUENCY 2000000
#endif
#ifndef CONFIG_SPI_EXCHANGE
# error CONFIG_SPI_EXCHANGE required for this driver
#endif
#define XBEE_APIFRAME_MODEMSTATUS 0x8A
#define XBEE_APIFRAME_ATCOMMMAND 0x08
#define XBEE_APIFRAME_ATCOMMMANDQUEUED 0x09
#define XBEE_APIFRAME_ATRESPONSE 0x88
#define XBEE_APIFRAME_REMOTEREQUEST 0x17
#define XBEE_APIFRAME_REMOTERESPONSE 0x97
#define XBEE_APIFRAME_TXREQ_EADDR 0x00
#define XBEE_APIFRAME_TXREQ_SADDR 0x01
#define XBEE_APIFRAME_TXSTATUS 0x89
#define XBEE_APIFRAME_RX_EADDR 0x80
#define XBEE_APIFRAME_RX_SADDR 0x81
#define XBEE_APIFRAME_RXIO_EADDR 0x82
#define XBEE_APIFRAME_RXIO_SADDR 0x83
#define XBEE_EPASSOCFLAGS_PANID_REASSIGN 1
#define XBEE_EPASSOCFLAGS_CHAN_REASSIGN 2
#define XBEE_EPASSOCFLAGS_AUTOASSOC 4
#define XBEE_EPASSOCFLAGS_POLLONWAKE 8
#define XBEE_COORDASSOCFLAGS_PANID_REASSIGN 1
#define XBEE_COORDASSOCFLAGS_CHAN_REASSIGN 2
#define XBEE_COORDASSOCFLAGS_ALLOWASSOC 4
/* Size of read buffer active for all of the transaction. i.e. must be big
* enough to handle full transmit and receive.
*/
#define XBEE_RXBUF_SIZE 256
#define XBEE_STARTBYTE 0x7E
#define XBEE_APIFRAME_OVERHEAD 4
#define XBEE_APIFRAMEINDEX_STARTBYTE 0
#define XBEE_APIFRAMEINDEX_LENGTHMSB 1
#define XBEE_APIFRAMEINDEX_LENGTHLSB 2
#define XBEE_APIFRAMEINDEX_TYPE 3
/****************************************************************************
* Public Types
****************************************************************************/
/* Enumeration of Modem Status values */
enum xbee_modemstatus_e
{
XBEE_MODEMSTATUS_HARDRESET = 0,
XBEE_MODEMSTATUS_WATCHDOGRESET,
XBEE_MODEMSTATUS_ASSOCIATED,
XBEE_MODEMSTATUS_NONETWORK,
XBEE_MODEMSTATUS_COORD,
XBEE_MODEMSTATUS_VOLTAGETOOHIGH,
};
enum xbee_response_e
{
XBEE_RESP_MODEMSTATUS,
XBEE_RESP_AT_FIRMWAREVERSION,
XBEE_RESP_AT_HARDWAREVERSION,
XBEE_RESP_AT_NETWORKID,
XBEE_RESP_AT_SERIALHIGH,
XBEE_RESP_AT_SERIALLOW,
XBEE_RESP_AT_SOURCEADDR,
XBEE_RESP_AT_CHAN,
/* Skip some allow for new AT commands */
};
struct xbee_respwaiter_s
{
FAR struct xbee_respwaiter_s *flink;
sem_t sem;
enum xbee_response_e resp_id;
};
/* An XBee device instance */
struct xbee_priv_s
{
/* Low-level MCU-specific support */
FAR const struct xbee_lower_s *lower;
FAR struct spi_dev_s *spi; /* Saved SPI interface instance */
/* Fields related to interface with next layer */
FAR struct xbee_maccb_s *cb; /* Head of a list of XBee MAC callbacks */
uint8_t nclients; /* Number of registered callbacks */
FAR struct iob_s *rx_apiframes; /* List of incoming API frames to process */
struct work_s notifwork; /* For deferring notifications to LPWORK queue */
struct work_s attnwork; /* For deferring interrupt work to work queue */
volatile bool attn_latched; /* Latched state of ATTN */
mutex_t primitive_lock; /* Exclusive access to the primitive queue */
sq_queue_t primitive_queue; /* Queue of primitives to pass via notify()
* callback to registered receivers */
struct wdog_s assocwd; /* Association watchdog */
struct work_s assocwork; /* For polling for association status */
bool associating; /* Are we currently associating */
mutex_t atquery_lock; /* Only allow one AT query at a time */
sem_t atresp_sem; /* For signaling pending AT response received */
char querycmd[2]; /* Stores the pending AT Query command */
bool querydone; /* Used to tell waiting thread query is done */
struct wdog_s atquery_wd; /* Support AT Query timeout and retry */
struct wdog_s reqdata_wd; /* Support send timeout and retry */
uint8_t frameid; /* For differentiating AT request/response */
mutex_t tx_lock; /* Support a single pending transmit */
sem_t txdone_sem; /* For signalling tx is completed */
bool txdone;
#ifdef CONFIG_XBEE_LOCKUP_WORKAROUND
struct wdog_s lockup_wd; /* Watchdog to protect for XBee lockup */
struct work_s lockupwork; /* For deferring lockup query check to LPWORK queue */
struct work_s backupwork; /* For deferring backing up parameters to LPWORK queue */
#endif
/******************* Fields related to Xbee radio *************************/
uint16_t firmwareversion;
/************* Fields related to addressing and coordinator ***************/
/* Holds all address information(Extended, Short, and PAN ID) for the MAC */
struct ieee802154_addr_s addr;
struct ieee802154_pandesc_s pandesc;
/****************** Uncategorized MAC PIB attributes **********************/
/* What type of device is this node acting as */
enum ieee802154_devmode_e devmode : 2;
/****************** PHY attributes ****************************************/
uint8_t chan;
uint8_t pwrlvl;
bool boostmode;
};
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Inline Functions
****************************************************************************/
/****************************************************************************
* Name: xbee_next_frameid
*
* Description:
* Increment the frame id. This is used to coordinate TX requests with
* subsequent TX status frames received by the XBee device. We must skip
* value 0 since that value is to tell the XBee not to provide a status
* response.
*
****************************************************************************/
static inline uint8_t xbee_next_frameid(FAR struct xbee_priv_s *priv)
{
priv->frameid++;
if (priv->frameid == 0)
{
priv->frameid = 1;
}
return priv->frameid;
}
/****************************************************************************
* Name: xbee_insert_checksum
*
* Description:
* Insert checksum into outbound API frame.
*
* Input Parameters:
* frame - pointer to the frame data
* framelen - size of the overall frame. NOT the data length field
*
****************************************************************************/
static inline void xbee_insert_checksum(FAR uint8_t *frame,
uint16_t framelen)
{
int i;
uint8_t checksum = 0;
DEBUGASSERT(framelen > XBEE_APIFRAME_OVERHEAD);
/* Skip the start byte and frame length */
for (i = 3; i < framelen - 1; i++)
{
checksum += frame[i];
}
frame[framelen - 1] = 0xff - checksum;
}
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: xbee_send_apiframe
*
* Description:
* Write an api frame over SPI
*
****************************************************************************/
void xbee_send_apiframe(FAR struct xbee_priv_s *priv,
FAR const uint8_t *frame, uint16_t framelen);
/****************************************************************************
* Name: xbee_atquery
*
* Description:
* Sends AT Query and waits for response from device
*
****************************************************************************/
int xbee_atquery(FAR struct xbee_priv_s *priv, FAR const char *atcommand);
/****************************************************************************
* Name: xbee_send_atquery
*
* Description:
* Helper function to send the AT query to the XBee
*
****************************************************************************/
void xbee_send_atquery(FAR struct xbee_priv_s *priv,
FAR const char *atcommand);
/****************************************************************************
* Name: xbee_query_firmwareversion
*
* Description:
* Sends API frame with AT command request in order to get the firmware
* version from the device.
*
****************************************************************************/
#define xbee_query_firmwareversion(priv) xbee_atquery(priv, "VR")
/****************************************************************************
* Name: xbee_query_panid
*
* Description:
* Sends API frame with AT command request in order to get the PAN ID
* (Network ID) from the device.
*
****************************************************************************/
#define xbee_query_panid(priv) xbee_atquery(priv, "ID")
/****************************************************************************
* Name: xbee_query_eaddr
*
* Description:
* Sends API frame with AT command request in order to get the IEEE
* 802.15.4 Extended Address. (Serial Number) from the device.
*
****************************************************************************/
#define xbee_query_eaddr(priv) xbee_atquery(priv, "SH"); \
xbee_atquery(priv, "SL")
/****************************************************************************
* Name: xbee_query_saddr
*
* Description:
* Sends API frame with AT command request in order to get the
* Short Address. (Source Address (MY)) from the device.
*
****************************************************************************/
#define xbee_query_saddr(priv) xbee_atquery(priv, "MY")
/****************************************************************************
* Name: xbee_query_chan
*
* Description:
* Sends API frame with AT command request in order to get the RF Channel
* (Operating Channel) from the device.
*
****************************************************************************/
#define xbee_query_chan(priv) xbee_atquery(priv, "CH")
/****************************************************************************
* Name: xbee_query_powerlevel
*
* Description:
* Sends API frame with AT command request in order to get the RF Power
* Level from the device.
*
****************************************************************************/
#define xbee_query_powerlevel(priv) xbee_atquery(priv, "PL")
/****************************************************************************
* Name: xbee_query_powermode
*
* Description:
* Sends API frame with AT command request in order to get the RF Power
* Mode from the device.
*
****************************************************************************/
#define xbee_query_powermode(priv) xbee_atquery(priv, "PM")
/****************************************************************************
* Name: xbee_query_assoc
*
* Description:
* Sends API frame with AT command request in order to get the association
* status (Association Indication) of the device
*
****************************************************************************/
#define xbee_query_assoc(priv) xbee_atquery(priv, "AI")
/****************************************************************************
* Name: xbee_save_params
*
* Description:
* Sends API frame with AT command request to write current parameters to
* non-volatile memory so that they are used after next reset.
*
****************************************************************************/
#define xbee_save_params(priv) xbee_atquery(priv, "WR")
/****************************************************************************
* Name: xbee_set_panid
*
* Description:
* Sends API frame with AT command request in order to set the PAN ID
* (Network ID) of the device.
*
****************************************************************************/
void xbee_set_panid(FAR struct xbee_priv_s *priv, FAR const uint8_t *panid);
/****************************************************************************
* Name: xbee_set_saddr
*
* Description:
* Sends API frame with AT command request in order to set the Short
* Address (Source Address (MY)) of the device
*
****************************************************************************/
void xbee_set_saddr(FAR struct xbee_priv_s *priv, FAR const uint8_t *saddr);
/****************************************************************************
* Name: xbee_set_chan
*
* Description:
* Sends API frame with AT command request in order to set the RF channel
* (Operatin Channel) of the device.
*
****************************************************************************/
void xbee_set_chan(FAR struct xbee_priv_s *priv, uint8_t chan);
/****************************************************************************
* Name: xbee_set_powerlevel
*
* Description:
* Sends API frame with AT command request in order to set the RF power
* level of the device.
*
****************************************************************************/
void xbee_set_powerlevel(FAR struct xbee_priv_s *priv, uint8_t level);
/****************************************************************************
* Name: xbee_set_epassocflags
*
* Description:
* Set flags in 'A1' command register to determine how endpoint behaves
* with regards to association.
*
****************************************************************************/
void xbee_set_epassocflags(FAR struct xbee_priv_s *priv, uint8_t flags);
/****************************************************************************
* Name: xbee_set_coordassocflags
*
* Description:
* Set flags in 'AT' command register to determine how coordinator behaves
* with regards to association.
*
****************************************************************************/
void xbee_set_coordassocflags(FAR struct xbee_priv_s *priv, uint8_t flags);
/****************************************************************************
* Name: xbee_set_sleepperiod
*
* Description:
* Set Cyclic Sleep Period using 'SP' AT command.
*
****************************************************************************/
void xbee_set_sleepperiod(FAR struct xbee_priv_s *priv, uint16_t period);
/****************************************************************************
* Name: xbee_enable_coord
*
* Description:
* Enables/Disables coordinator mode using 'CE' command
*
****************************************************************************/
void xbee_enable_coord(FAR struct xbee_priv_s *priv, bool enable);
/****************************************************************************
* Name: xbee_regdump
*
* Description:
* Perform a series of queries updating struct and printing settings.
*
****************************************************************************/
void xbee_regdump(FAR struct xbee_priv_s *priv);
#endif /* __DRIVERS_WIRELESS_IEEE802154_XBEE_XBEE_H */
Reference in New Issue View Git Blame Copy Permalink