Philippe Spino
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XBeeLib
by 
Digi International Inc.
Diff: XBee/XBee.h
- Revision:
- 0:fcaad0dfa051
- Child:
- 1:794d1d3e4a08
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/XBee/XBee.h Fri May 08 11:50:56 2015 +0200
@@ -0,0 +1,845 @@
+/**
+ * Copyright (c) 2015 Digi International Inc.,
+ * All rights not expressly granted are reserved.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343
+ * =======================================================================
+ */
+
+#if !defined(__DIGI_RADIO_H_)
+#define __DIGI_RADIO_H_
+
+#include <stdint.h>
+#include "config.h"
+#include "Utils/Debug.h"
+#include "Frames/AtCmdFrame.h"
+#include "FrameHandlers/FrameHandler.h"
+#include "FrameHandlers/FH_ModemStatus.h"
+#include "FrameBuffer/FrameBuffer.h"
+#include "Addresses.h"
+#include "RemoteXBee/RemoteXBee.h"
+#include "IO/IO.h"
+
+#define MAX_FRAME_HANDLERS 4
+#define RESET_TIMEOUT_MS 5000
+
+#define DR_API_FRAME_OVERHEAD 4 /* Start of frame + frame len + checksum */
+#define DR_MIN_API_FRAME_LEN 4
+#define DR_START_OF_FRAME 0x7E
+#define DR_ESCAPE_BYTE 0x7D
+#define DR_XON_BYTE 0x11
+#define DR_XOFF_BYTE 0x13
+#define DR_ESCAPE_XOR_BYTE 0x20
+
+/* TODO, verify these flags work in all modules */
+#define DISABLE_RETRIES_AND_ROUTE_REPAIR 0x01
+#define ENABLE_APS_ENCRYPTION 0x20
+#define USE_EXTENDED_TX_TIMEOUT 0x40
+
+namespace XBeeLib {
+
+/**
+ * @defgroup RadioStatus
+ * @{
+ */
+/**
+ * RadioStatus
+ */
+enum RadioStatus {
+ Success = 0, /**< Success */
+ Failure = -1, /**< Failure */
+ OpNotSupported = -2, /**< Option Not Supported */
+};
+/**
+ * @}
+ */
+
+/**
+ * @defgroup RadioType
+ * @{
+ */
+/**
+ * RadioType
+ */
+enum RadioType {
+ Unknown = 0, /**< Not detected yet */
+ XB24_A_S1 = 0x17, /**< S1 */
+ XBP24_A_S1 = 0x18, /**< S1 */
+ XB24_B_S2 = 0x19, /**< S2 */
+ XBP24_B_S2 = 0x1A, /**< S2 */
+ XBP09_D = 0x1B, /**< S4 */
+ XBP09_XC = 0x1C, /**< S3 */
+ XBP08_D = 0x1D, /**< 868MHz S5 */
+ XBP24_B_S2B = 0x1E, /**< S2B */
+ XB24_WF = 0x1F, /**< S6 */
+ XBP24_C_SMT = 0x21, /**< XBee PRO SMT S2C */
+ XB24_C_SMT = 0x22, /**< XBee SMT S2C */
+ XBP09_XC_B = 0x23, /**< S3B */
+ XBP09_B = 0x23, /**< S3B */
+ XB8 = 0x24, /**< S8 */
+ XB2B_WF_TH = 0x27, /**< S6B TH */
+ XB2B_WF_SMT = 0x28, /**< S6B SMT */
+ XBP24_C_TH = 0x2D, /**< S2C TH */
+ XB24_C_TH = 0x2E, /**< S2C TH */
+};
+/**
+ * @}
+ */
+
+/**
+ * @defgroup TxStatus
+ * @{
+ */
+/**
+ * TxStatus
+ */
+enum TxStatus {
+ TxStatusSuccess = 0, /**< Success */
+ TxStatusAckFail = 1, /**< MAC ACK Failure */
+ TxStatusCCAFail = 2, /**< CCA Failure */
+ TxStatusInvDestEP = 0x15, /**< Invalid destination endpoint */
+ TxStatusNwAckFail = 0x21, /**< Network ACK Failure */
+ TxStatusNotJoinNw = 0x22, /**< Not Joined to Network */
+ TxStatusSelfAddr = 0x23, /**< Self-addressed */
+ TxStatusAddrNotFound = 0x24, /**< Address Not Found */
+ TxStatusRouteNotFound = 0x25, /**< Route Not Found */
+ TxStatusBroadSrcFail2Heard = 0x26, /**< Broadcast source failed to hear a neighbor relay the message */
+ TxStatusInvBindTableIdx = 0x2B, /**< Invalid binding table index */
+ TxStatusResourceError = 0x2C, /**< Resource error lack of free buffers, timers, etc. */
+ TxStatusAttBroadcWithAPS = 0x2D, /**< Attempted broadcast with APS transmission */
+ TxStatusAttUnicWithAPSEE0 = 0x2E, /**< Attempted unicast with APS transmission, but EE=0 */
+ TxStatusResourceError2 = 0x31, /**< TxStatusResourceError2 */
+ TxStatusInternalError = 0x32, /**< Resource error lack of free buffers, timers, etc. */
+ TxStatusPayloadTooLarge = 0x74, /**< Data payload too large */
+ TxStatusIndirectMsgUnReq = 0x75, /**< Indirect message unrequested */
+ TxStatusInvalidAddr = 0xfe, /**< Invalid Address (Error generated by the library) */
+ TxStatusTimeout = 0xff, /**< Timeout (Error generated by the library) */
+};
+/**
+ * @}
+ */
+
+/**
+ * @defgroup PmMode
+ * @{
+ */
+/**
+ * PmMode
+ */
+enum PmMode {
+ SleepDisabled = 0, /**< SleepDisabled */
+ PinSleep = 1, /**< PinSleep */
+ PinDoze = 2, /**< PinDoze */
+ CyclicSeleep = 4, /**< CyclicSeleep */
+ CyclicSeleepPinW = 5, /**< CyclicSeleepPinW */
+};
+/**
+ * @}
+ */
+
+ /**
+ * @defgroup NetworkRole
+ * @{
+ */
+/**
+ * NetworkRole
+ */
+enum NetworkRole {
+ UnknownRole, /**< Unknown Role */
+ Coordinator, /**< Coordinator */
+ Router, /**< Router */
+ EndDevice, /**< EndDevice */
+};
+/**
+ * @}
+ */
+
+/**
+ * @defgroup RadioLocation
+ * @{
+ */
+/**
+ * RadioLocation
+ */
+enum RadioLocation {
+ RadioLocal = 0, /**< Local Radio */
+ RadioRemote = 1, /**< Remote Radio */
+};
+/**
+ * @}
+ */
+
+/** Parent Class for XBee modules, not to be directly used */
+class XBee
+{
+ private:
+ /** wait_for_module_to_reset - waits until a Modem Status packet with a reset status
+ * is received, or the timeout expires.
+ *
+ * @returns
+ * Success if a Modem Status was received,
+ * Failure otherwise
+ */
+ RadioStatus wait_for_module_to_reset(volatile uint16_t *rst_cnt_p, uint16_t init_rst_cnt);
+
+ protected:
+ /** timer used by local and remote objects */
+ static Timer _timer;
+
+ /** buffer to store the received frames */
+ static FrameBuffer _framebuf;
+
+ public:
+
+ /**
+ * RadioMode
+ */
+ enum RadioMode {
+ ModeUnknown = 0, /**< Unknown */
+ ModeAPI1 = 1, /**< API1 */
+ ModeAPI2 = 2, /**< API2 */
+ ModeTransparent = 3, /**< Transparent */
+ ModeBootloader = 4, /**< Bootloader */
+ };
+
+ /** Class constructor
+ * @param tx the TX pin of the UART that will interface the XBee module
+ * @param rx the RX pin of the UART that will interface the XBee module
+ * @param reset the pin to which the XBee's reset line is attached to, use NC if not available
+ * @param rts the RTS pin for the UART that will interface the XBee module, use NC if not available
+ * @param cts the CTS pin for the UART that will interface the XBee module, use NC if not available
+ * @param baud the baudrate for the UART that will interface the XBee module. Note that the module has to be already configured
+ * to this baud rate (ATBD parameter). By default it is configured to 9600 bps
+ * */
+ XBee(PinName tx, PinName rx, PinName reset = NC, PinName rts = NC, PinName cts = NC, int baud = 9600);
+
+ XBee(const XBee& other); /* Intentionally not implemented */
+ /** Class destructor */
+ virtual ~XBee();
+
+ /** init- initializes object
+ * This function must be called just after creating the object so it initializes internal data.
+ * @returns
+ * Success if the module has been properly initialized and is ready to process data.
+ * Failure otherwise.
+ */
+ RadioStatus init();
+
+ /** get_addr64 - returns the 64bit address of the local device
+ *
+ * @returns the 64bit address of the local device
+ */
+ uint64_t get_addr64() const;
+
+ /** get_addr16 - returns the 16bit address of the local device
+ *
+ * @returns the 16-bit address of the local device.
+ */
+ uint16_t get_addr16() const;
+
+ /** get_network_address - gets the 16bit network address of the device
+ *
+ * @param addr pointer where the device 16bit network address will be stored
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus get_network_address(uint16_t * const addr);
+
+ /** hardware_reset - performs a hardware reset. The reset GPIO must have
+ * been provided to the constructor
+ *
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus hardware_reset();
+
+ /** software_reset - performs a firmware reset
+ *
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus software_reset();
+
+ /** device_reset - performs a hardware reset if there is a GPIO connected to the
+ * reset line of the device. Otherwise, performs a firmware reset.
+ *
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+#if defined(UNIT_TEST)
+ virtual
+#endif
+ RadioStatus device_reset();
+
+ /** get_radio_type - returns the type of radio, in most cases the hardware version
+ *
+ * @returns the radio type
+ */
+ RadioType get_radio_type() const;
+
+ /** set_tx_options - sets the transmit options byte, used with the transmit frames.
+ * Valid flags are:
+ * - DISABLE_RETRIES_AND_ROUTE_REPAIR
+ * - ENABLE_APS_ENCRYPTION
+ * - USE_EXTENDED_TX_TIMEOUT
+ *
+ * @param options variable with the option flags
+ */
+ void set_tx_options(uint8_t options);
+
+ /** set_broadcast_radius - sets the max number of hops for a broadcast msg.
+ * When set to 0 uses the maximum possible.
+ *
+ * @param bc_radius variable with the broadcast radious
+ */
+ void set_broadcast_radius(uint8_t bc_radius);
+
+ /** get_tx_options - returns the tx options byte configured in the library.
+ *
+ * @returns the tx options byte configured in the library.
+ */
+ uint8_t get_tx_options() const;
+
+ /** get_bc_radius - returns the broadcast radius configured in the library.
+ *
+ * @returns the broadcast radius configured in the library.
+ */
+ uint8_t get_bc_radius() const;
+
+ /************************ Configuration member methods *************************/
+ /** write_config - write settings to non volatile memory
+ *
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus write_config();
+
+ /** config_io_sample_destination - configures to which node a remote module will send its IO Samples to.
+ * @Note: this will modify 'remote' DH and DL parameters, if the remote node is configured in transparent mode this could lead to unwanted behavior.
+ * Consult the module's reference manual for more information.
+ *
+ * @param remote remote device that will be sending the IO Samples
+ * @param destination remote device that will be receiving the IO Samples sent by 'remote'
+ * @returns the result of the data transfer
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus config_io_sample_destination(const RemoteXBee& remote, const RemoteXBee& destination);
+
+ /** set_io_sample_rate - configures how often the IO Samples should be sent to the destination (see @ref send_io_sample_to).
+ *
+ * @param remote remote device that will be sending the IO Samples
+ * @param seconds the IO Sample sending rate in seconds (granularity is of 1 millisecond). Maximum is 65.535 seconds.
+ * @returns the result of the data transfer
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus set_io_sample_rate(const RemoteXBee& remote, float seconds);
+
+ /** set_power_level - sets the power level at which the radio will transmit
+ *
+ * @param level power level at which the radio will transmit
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus set_power_level(uint8_t level);
+
+ /** get_power_level - reads the power level configured in the radio
+ *
+ * @param level pointer where the read power level will be stored
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus get_power_level(uint8_t * const level);
+
+ /** get_hw_version - gets the hardware version of the radio
+ *
+ * @returns the hardware version of the radio
+ */
+ uint16_t get_hw_version() const;
+
+ /** get_fw_version - gets the firmware version of the radio
+ *
+ * @returns the firmware version of the radio
+ */
+ uint16_t get_fw_version() const;
+
+ /** set_node_identifier - configures the Node Identifier string
+ *
+ * @param node_id NULL-terminated string with the Node Identifier that will be set on the module. Up to 20 characters length (21 with NULL-terminator).
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus set_node_identifier(const char * const node_id);
+
+ /** get_node_identifier - reads the configured Node Identifier string
+ *
+ * @param node_id Pointer to where to store the read Node Identifier, it must point to a buffer with at least 21-bytes length.
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus get_node_identifier(char * const node_id);
+
+ /** start_node_discovery - starts a node discovery operation. The responses
+ * have to be processes on the callback function that have to be registered
+ * for that purpose
+ *
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus start_node_discovery();
+
+#define XBEEZB_ND_OPTION_APPEND_DD (1 << 0)
+#define XBEEZB_ND_OPTION_SELF_RESPONSE (1 << 1)
+#define XBEE802_ND_OPTION_SELF_RESPONSE (1 << 0)
+
+ /** config_node_discovery - configures the node discovery operation
+ *
+ * @param timeout_ms max allowed time for devices in the network to answer
+ * to the Node Discovery request
+ * @param options node discovery options (flags)
+ * XBEE802_ND_OPTION_SELF_RESPONSE - to allow the module self responding (802.15.4 only)
+ * XBEEZB_ND_OPTION_SELF_RESPONSE - to allow the module self responding (ZigBee only)
+ * XBEEZB_ND_OPTION_APPEND_DD - to append the DD value to the response (ZigBee only)
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus config_node_discovery(uint16_t timeout_ms, uint8_t options = 0);
+
+ /** get_config_node_discovery - reads the configuration of the node discovery
+ * settings
+ *
+ * @param timeout_ms pointer where the node discovery time out value will be stored
+ * @param options pointer whre the node discovery options (flags) will be saved
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus get_config_node_discovery(uint16_t * const timeout_ms, uint8_t * const options);
+
+ /** set_timeout - sets the timeout in ms, used by sync methods
+ *
+ * @param timeout_ms new timeout in ms
+ */
+ void set_timeout(uint16_t timeout_ms);
+
+ /** get_timeout - gets the timeout in ms configured in the library. This value
+ * is used in sync commands
+ *
+ * @returns the configured timeout value in ms
+ */
+ uint16_t get_timeout() const;
+
+ /* ... */
+
+ /*********************** send_data member methods ************************/
+ /** send_data - sends data to a remote device waiting for the packet
+ * answer with the result of the operation
+ *
+ * @param remote remote device
+ * @param data pointer to the data that will be sent
+ * @param len number of bytes that will be transmitted
+ * @returns the result of the data transfer
+ * TxStatusSuccess if the operation was successful,
+ * the error code otherwise
+ */
+ virtual TxStatus send_data(const RemoteXBee& remote, const uint8_t *const data, uint16_t len) = 0;
+
+ /** send_data_broadcast - sends data to all devices in the network, using the
+ * broadcast address. The method waits for the packet
+ * answer with the result of the operation
+ *
+ * @param data pointer to the data that will be sent
+ * @param len number of bytes that will be transmitted
+ * @returns the result of the data transfer
+ * TxStatusSuccess if the operation was successful,
+ * the error code otherwise
+ */
+ TxStatus send_data_broadcast(const uint8_t *const data, uint16_t len);
+
+ /** set_param - sets a parameter in the local radio by sending an AT command and waiting for the response.
+ *
+ * @param param parameter to be set.
+ * @param data the parameter value (4 bytes) to be set.
+ * @returns the command response status.
+ */
+ AtCmdFrame::AtCmdResp set_param(const char * const param, uint32_t data);
+
+ /** set_param - sets a parameter in the local radio by sending an AT command and waiting for the response.
+ *
+ * @param param parameter to be set.
+ * @param data the parameter value byte array (len bytes) to be set.
+ * @param len number of bytes of the parameter value.
+ * @returns the command response status.
+ */
+ AtCmdFrame::AtCmdResp set_param(const char * const param, const uint8_t * data = NULL, uint16_t len = 0);
+
+ /** get_param - gets a parameter from the local radio by sending an AT command and waiting for the response.
+ *
+ * @param param parameter to be get.
+ * @param data pointer where the param value (4 bytes) will be stored.
+ * @returns the command response status.
+ */
+ AtCmdFrame::AtCmdResp get_param(const char * const param, uint32_t * const data);
+
+ /** get_param - gets a parameter from the local radio by sending an AT command and waiting for the response.
+ *
+ * @param param parameter to be get.
+ * @param data pointer where the param value (n bytes) will be stored.
+ * @param len pointer where the number of bytes of the param value will be stored.
+ * @returns the command response status.
+ */
+ AtCmdFrame::AtCmdResp get_param(const char * const param, uint8_t * const data, uint16_t * const len);
+
+ /** set_param - sets a parameter in a remote radio by sending an AT command and waiting for the response.
+ *
+ * @param remote remote device
+ * @param param parameter to be set.
+ * @param data the parameter value (4 bytes) to be set.
+ * @returns the command response status.
+ */
+ virtual AtCmdFrame::AtCmdResp set_param(const RemoteXBee& remote, const char * const param, uint32_t data) = 0;
+
+ /** set_param - sets a parameter in a remote radio by sending an AT command and waiting for the response.
+ *
+ * @param remote remote device
+ * @param param parameter to be set.
+ * @param data the parameter value byte array (len bytes) to be set.
+ * @param len number of bytes of the parameter value.
+ * @returns the command response status.
+ */
+ virtual AtCmdFrame::AtCmdResp set_param(const RemoteXBee& remote, const char * const param, const uint8_t * data = NULL, uint16_t len = 0) = 0;
+
+ /** get_param - gets a parameter from a remote radio by sending an AT command and waiting for the response.
+ *
+ * @param remote remote device
+ * @param param parameter to be get.
+ * @param data pointer where the param value (4 bytes) will be stored.
+ * @returns the command response status.
+ */
+ virtual AtCmdFrame::AtCmdResp get_param(const RemoteXBee& remote, const char * const param, uint32_t * const data) = 0;
+
+ /** get_param - gets a parameter from a remote radio by sending an AT command and waiting for the response.
+ *
+ * @param remote remote device
+ * @param param parameter to be get.
+ * @param data pointer where the param value (n bytes) will be stored.
+ * @param len pointer where the number of bytes of the param value will be stored.
+ * @returns the command response status.
+ */
+ virtual AtCmdFrame::AtCmdResp get_param(const RemoteXBee& remote, const char * const param, uint8_t * const data, uint16_t * const len) = 0;
+
+#if defined(ENABLE_PM_SUPPORT)
+ /** set_pm_control - sets the operational mode of the Power Management on
+ * the radio and registers the GPIOs used to handle the
+ * Power Management
+ *
+ * @param mode operational mode of the power management
+ * @param on_sleep pin used to detect the on/sleep status of the module
+ * @param sleep_rq pin used to request the module to go to sleep (when pin
+ * sleep mode is used
+ * @returns the result of the configuration operation
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus set_pm_control(PmMode mode, PinName on_sleep = NC, PinName sleep_rq = NC);
+
+ /** get_pm_mode - gets the power management mode programmed in the radio.
+ *
+ * @param mode pointer where the read mode will be stored.
+ * @returns the result of the configuration operation
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus get_pm_mode(PmMode *mode);
+
+ /** config_pm_timing - configures the power management timing parameters.
+ *
+ * @param before_sleep_ms number of miliseconds of inactivity before the radio will
+ * automatically go to sleep again (when using cyclic sleep).
+ * @param total_sleep_period_ms time interval in ms the radio will be sleeping. Once
+ * this time passes, the radio will wakeup, will check for
+ * packets and will wait before_sleep_ms of inactivity
+ * before entering again in sleep mode.
+ * @returns the result of the configuration operation
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus config_pm_timing(uint32_t before_sleep_ms, uint32_t total_sleep_period_ms);
+
+ /** enter_sleep_mode - sets the radio into low power mode. If the pm working mode
+ * is pin-sleep, then it will use the GPIO, otherwise, it will
+ * use the serial interface.
+ *
+ * @note the method does not wait until the radio enters in sleep mode, it returns
+ * without making any verification.
+ * @returns the result of the operation
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus enter_sleep_mode();
+
+ /** exit_sleep_mode - for the pm mode called pin-sleep, sets the radio into active power
+ * using the corresponding GPIO.
+ *
+ */
+ void exit_sleep_mode();
+
+ /** is_sleeping - checks if the radio is sleeping or if its active.
+ *
+ * @returns true if the radio is sleeping, false otherwisw
+ */
+ bool is_sleeping();
+
+ /** register_wakeup_cb - registers the callback function that will be called
+ * when the radio wakes up from sleep mode.
+ *
+ * @param f function pointer with the callback function
+ */
+ void register_wakeup_cb(void (*f)(void));
+
+ /** unregister_wakeup_cb - removes the wakeup callback */
+ void unregister_wakeup_cb();
+#endif /* defined(ENABLE_PM_SUPPORT) */
+
+ /** process_rx_frames - method that process the frames queued in the reception
+ * buffer. Calls the process_frame_data method of the frame
+ * handlers registered
+ *
+ * @returns Number of dropped frames since latest call to this method.
+ */
+ uint32_t process_rx_frames();
+
+ /** register_modem_status_cb - registers the callback function that will be called
+ * when a Modem Status packet is received
+ *
+ * @param function function pointer with the callback function
+ */
+ void register_modem_status_cb(modem_status_cb_t function);
+
+ /** unregister_modem_status_cb - removes the Modem Status reception callback */
+ void unregister_modem_status_cb();
+
+ protected:
+
+ enum RadioProtocol {
+ None,
+ ZigBee,
+ Raw_802_15_4,
+#ifdef EXTRA_XBEE_PROTOCOLS
+ XBeeWiFi,
+ DigiMesh,
+ SmartEnergy,
+ DigiPoint,
+ ZNet,
+#endif
+ };
+ /** send_byte_escaping_if - sends a byte, through the serial interface, to
+ * the radio, escaping the byte if the working mode of the radio is API2.
+ *
+ * @param line PWM line being set
+ * @param data the byte that will be send to radio
+ */
+ void send_byte_escaping_if(uint8_t data);
+
+ /** uart_read_cb - serial interface callback, called when data is received on
+ * the serial port. The function parses the incoming data and, when a good
+ * frame is detected, saves it in the frame list
+ */
+ void uart_read_cb();
+
+ /** get_this_api_frame - searches in the FrameBuffer for an incoming frame
+ * with frameid equal to id and frame type equal to type
+ * or type2. If after timeout the frame hast not been found,
+ * returns.
+ *
+ * @param id id of the frame we are looking for.
+ * @param type tye type we expect the frame to be.
+ * @param type2 alternative valid type, if provided.
+ * @returns a pointer to the frame found in the FrameBuffer or a null pointer if
+ * the frame has not been found and the timeout expired.
+ */
+ ApiFrame * get_this_api_frame(uint8_t id, ApiFrame::ApiFrameType type,
+ ApiFrame::ApiFrameType type2 = ApiFrame::Invalid);
+
+ /** send_api_frame - method to send, over the serial port, an API frame
+ *
+ * @param frame pointer to the frame that will be sent.
+ */
+#if defined(UNIT_TEST)
+ virtual
+#endif
+ void send_api_frame(ApiFrame *frame);
+
+ /** update_radio_status - method called when a modem status frame is received
+ * to update the internal status variables of the library.
+ * @note This is not a pure virtual function because it can be called while
+ * the object is being constructed and we need the implementation of the
+ * base class.
+ *
+ * @param status byte with the status received in the modem status frame
+ */
+ virtual void radio_status_update(AtCmdFrame::ModemStatus modem_status);
+
+ /** Method used internaly by the derived classes to transmit data to
+ * remote nodes, waiting for the answer from the device
+ *
+ * @param frame frame that will be sent to the radio (have to be a
+ * proper transmit frame
+ * @returns the result of the data transfer
+ * TxStatusSuccess if the operation was successful,
+ * the error code otherwise
+ */
+ TxStatus send_data(ApiFrame *frame);
+
+ /** send_at_cmd - sends an AT command to the radio and waits for the response.
+ *
+ * @param frame api frame with the command and command params.
+ * @param buf pointer where the param response (n bytes) will be stored.
+ * @param len pointer where the number of bytes of the param response will be stored.
+ * @param radio_location radio location, either RadioLocal or RadioRemote.
+ * @param reverse reverse the byte ordering of the response saved in buf.
+ * @returns the command response status.
+ */
+ AtCmdFrame::AtCmdResp send_at_cmd(AtCmdFrame *frame,
+ uint8_t *const buf, uint16_t *const len, RadioLocation radio_location = RadioLocal, bool reverse = true);
+
+ /* send_at_cmd - methods used internally by other methods */
+ AtCmdFrame::AtCmdResp send_at_cmd(AtCmdFrame *frame);
+ AtCmdFrame::AtCmdResp send_at_cmd(AtCmdFrame *frame, uint8_t *data);
+ AtCmdFrame::AtCmdResp send_at_cmd(AtCmdFrame *frame, uint16_t *data);
+ AtCmdFrame::AtCmdResp send_at_cmd(AtCmdFrame *frame, uint32_t *data);
+
+#if defined(ENABLE_PM_SUPPORT)
+ /** Sets the radio into low power mode. This method is used by enter_sleep_mode() */
+ RadioStatus sleep_now();
+#endif /* defined(ENABLE_PM_SUPPORT) */
+
+ /** register_frame_handler - registers an object to handle incoming frames from
+ * the radio.
+ * @note For any type of frame more than one handler can be registered and all
+ * of them are called, sequentially, when a frame of that type arrives.
+ *
+ * @param handler pointer to the frame handler object
+ * @returns the result of the registration
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus register_frame_handler(FrameHandler *const handler);
+
+ /** unregister_frame_handler - removes a previously registered frame handler
+ *
+ * @param handler pointer to the frame handler object
+ * @returns the result of the unregister operation
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus unregister_frame_handler(FrameHandler *const handler);
+
+ /** get_radio_protocol - returns the RF protocol that the connected module uses
+ * based on its firmware and hardware versions
+ *
+ * @returns a RadioProtocol enum.
+ */
+ RadioProtocol get_radio_protocol(void) const;
+
+ /** get_iosample - forces an io_sample read (reads all digital and analog inputs)
+ *
+ * @param remote remote device
+ * @param io_sample buffer where the io_sample response is copied
+ * @param len pointer where the length of the io_sample response is stored
+ * @returns
+ * Success if the operation was successful,
+ * Failure otherwise
+ */
+ RadioStatus get_iosample(const RemoteXBee& remote, uint8_t * const io_sample, uint16_t * const len);
+
+ void _get_remote_node_by_id(const char * const node_id, uint64_t * addr64, uint16_t * addr16);
+
+ /** Operating mode of the module (API1, API2,...) */
+ RadioMode _mode;
+
+ /** Type of radio, mainly the hardware version, but may differ in some cases */
+ RadioType _type;
+
+ /** Hardware version value of the radio */
+ uint16_t _hw_version;
+
+ /** Firmware version value of the radio */
+ uint16_t _fw_version;
+
+ /** Timeout in ms for sync operations (when we wait for a response) */
+ uint16_t _timeout_ms;
+
+ /** Device 64 bit address (SH, SL) */
+ uint64_t _dev_addr64;
+
+ /** Device 16 bit address (MY) */
+ uint16_t _dev_addr16;
+
+ /** Serial Interface, use RawSerial as we dont use the streams */
+ RawSerial *_uart;
+
+ /** IO connected to the radio reset line */
+ DigitalOut *_reset;
+
+ /** Transmit options byte */
+ uint8_t _tx_options;
+
+ /** Broadcast radius, number of hops a broadcast transmission can occur.
+ * When set to 0 it will use the maximum */
+ uint8_t _bc_radius;
+ /** Array of frame handler pointers. We use an array instead of a vector or other
+ * data structure to save memory and avoid dynamic memory allocation, to avoid
+ * memory fragmentation */
+ FrameHandler *_fhandlers[MAX_FRAME_HANDLERS];
+
+ /** Hardware reset counter, automatically updated by the library */
+ volatile uint16_t _hw_reset_cnt;
+
+ /** Watchdog reset counter, automatically updated by the library */
+ volatile uint16_t _wd_reset_cnt;
+
+ uint16_t _reset_timeout;
+
+ /** Frame handler used for the Modem Status packets. Automatically registered when a callback
+ * function is registered */
+ FH_ModemStatus *_modem_status_handler;
+
+ /** Latest modem status received */
+ AtCmdFrame::ModemStatus _modem_status;
+
+ /** Library is initializing */
+ bool _initializing;
+
+#if defined(ENABLE_PM_SUPPORT)
+ /* Power Management mode used by the radio */
+ PmMode _pm_mode;
+ /** IO connected to the radio on_sleep line */
+ InterruptIn *_on_sleep;
+ /** IO connected to the radio sleep_req line */
+ DigitalOut *_sleep_req;
+#endif
+};
+
+} /* namespace XBeeLib */
+
+#endif /* defined(__DIGI_RADIO_H_) */
+
+
+