Library to easily communicate with XBee modules.
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Diff: XBeeDM/XBeeDM.cpp
- Revision:
- 6:06522f3a6642
- Child:
- 7:3ac2a461ce76
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/XBeeDM/XBeeDM.cpp Thu Jul 28 10:17:20 2016 +0200 @@ -0,0 +1,550 @@ +/** + * 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 + * ======================================================================= + */ + +#include "XBeeDM.h" +#include "IO/IOSampleDM.h" +#include "Frames/DigiMeshFrames.h" + +using namespace XBeeLib; + +#define BROADCAST_RADIUS_USE_NH 0x00 + +/* Class constructor */ +XBeeDM::XBeeDM(PinName tx, PinName rx, PinName reset, PinName rts, PinName cts, int baud) : + XBee(tx, rx, reset, rts, cts, baud), _nd_handler(NULL), _rx_pkt_handler(NULL), _io_data_handler(NULL) +{ +} + +RadioStatus XBeeDM::init() +{ + RadioStatus retval = XBee::init(); + + const RadioProtocol radioProtocol = get_radio_protocol(); + if (radioProtocol != DigiMesh) { + digi_log(LogLevelError, "Radio protocol does not match, needed a %d got a %d\r\n", DigiMesh, radioProtocol); + retval = Failure; + } + assert(radioProtocol == DigiMesh); + + return retval; +} + +/* Class destructor */ +XBeeDM::~XBeeDM() +{ + unregister_node_discovery_cb(); + unregister_receive_cb(); + unregister_io_sample_cb(); +} + +RadioStatus XBeeDM::set_channel(uint8_t channel) +{ + AtCmdFrame::AtCmdResp cmdresp; + + /* Pro and Non-Pro modules have different channels available. The at + command will return an error if the selected channel is not available */ + cmdresp = set_param("CH", channel); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + return Success; +} + +RadioStatus XBeeDM::get_channel(uint8_t * const channel) +{ + if (channel == NULL) { + return Failure; + } + AtCmdFrame::AtCmdResp cmdresp; + + uint32_t var32; + cmdresp = get_param("CH", &var32); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + *channel = var32; + return Success; +} + +RadioStatus XBeeDM::set_network_id(uint16_t network_id) +{ + AtCmdFrame::AtCmdResp cmdresp; + + cmdresp = set_param("ID", network_id); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + return Success; +} + +RadioStatus XBeeDM::get_network_id(uint16_t * const network_id) +{ + if (network_id == NULL) { + return Failure; + } + AtCmdFrame::AtCmdResp cmdresp; + + uint32_t var32; + cmdresp = get_param("ID", &var32); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + *network_id = var32; + return Success; +} + +RadioStatus XBeeDM::get_node_discovery_timeout(uint16_t * const timeout_ms) +{ + AtCmdFrame::AtCmdResp cmdresp; + uint32_t var32; + + cmdresp = get_param("N?", &var32); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + *timeout_ms = (uint16_t)var32; + + return Success; +} + +RadioStatus XBeeDM::get_node_discovery_timeout(uint16_t * const timeout_ms, bool * const wait_for_complete_timeout) +{ + const RadioStatus status = get_node_discovery_timeout(timeout_ms); + + *wait_for_complete_timeout = false; + + return status; +} + +RadioStatus XBeeDM::set_network_security_key(const uint8_t * const key, const uint16_t length) +{ + if (key == NULL || length == 0 || length > 16) { + return Failure; + } + AtCmdFrame::AtCmdResp cmdresp; + + cmdresp = set_param("NK", key, length); + return cmdresp == AtCmdFrame::AtCmdRespOk ? Success : Failure; +} + +RadioStatus XBeeDM::set_encryption_options(const uint8_t options) +{ + AtCmdFrame::AtCmdResp cmdresp; + + cmdresp = set_param("EO", options); + return cmdresp == AtCmdFrame::AtCmdRespOk ? Success : Failure; +} + +void XBeeDM::radio_status_update(AtCmdFrame::ModemStatus modem_status) +{ + /* Update the radio status variables */ + if (modem_status == AtCmdFrame::HwReset) { + _hw_reset_cnt++; + } else if (modem_status == AtCmdFrame::WdReset) { + _wd_reset_cnt++; + } + + _modem_status = modem_status; + + digi_log(LogLevelDebug, "\r\nUpdating radio status: %02x\r\n", modem_status); +} + +TxStatus XBeeDM::send_data(const RemoteXBee& remote, const uint8_t *const data, uint16_t len, bool syncr) +{ + if (!remote.is_valid_addr64b()) { + return TxStatusInvalidAddr; + } + + const uint64_t remote64 = remote.get_addr64(); + const uint16_t remote16 = remote.get_addr16(); + + TxFrameDM frame = TxFrameDM(remote64, remote16, BROADCAST_RADIUS_USE_NH, + _tx_options, data, len); + if (syncr) { + return send_data(&frame); + } else { + frame.set_data(0, 0); /* Set frame id to 0 so there is no answer */ + send_api_frame(&frame); + return TxStatusSuccess; + } +} + +TxStatus XBeeDM::send_data(const RemoteXBee& remote, uint8_t source_ep, + uint8_t dest_ep, uint16_t cluster_id, uint16_t profile_id, + const uint8_t *const data, uint16_t len, bool syncr) +{ + if (!remote.is_valid_addr64b()) { + return TxStatusInvalidAddr; + } + + const uint64_t remote64 = remote.get_addr64(); + const uint16_t remote16 = remote.get_addr16(); + + TxFrameDM frame = TxFrameDM(remote64, remote16, source_ep, dest_ep, + cluster_id, profile_id, BROADCAST_RADIUS_USE_NH, + _tx_options, data, len); + if (syncr) { + return send_data(&frame); + } else { + frame.set_data(0, 0); /* Set frame id to 0 so there is no answer */ + send_api_frame(&frame); + return TxStatusSuccess; + } +} + +TxStatus XBeeDM::send_data_to_coordinator(const uint8_t *const data, uint16_t len, bool syncr) +{ + const uint64_t remaddr = ADDR64_COORDINATOR; + + TxFrameDM frame = TxFrameDM(remaddr, ADDR16_UNKNOWN, BROADCAST_RADIUS_USE_NH, _tx_options, data, len); + if (syncr) { + return send_data(&frame); + } else { + frame.set_data(0, 0); /* Set frame id to 0 so there is no answer */ + send_api_frame(&frame); + return TxStatusSuccess; + } +} + +RemoteXBeeDM XBeeDM::get_remote_node_by_id(const char * const node_id) +{ + uint64_t addr64; + uint16_t addr16; + _get_remote_node_by_id(node_id, &addr64, &addr16); + return RemoteXBeeDM(addr64); +} + +XBeeDM::AssocStatus XBeeDM::get_assoc_status(void) +{ + return (AssocStatus)get_AI(); +} + +void XBeeDM::register_node_discovery_cb(node_discovery_dm_cb_t function) +{ + if (_nd_handler == NULL) { + _nd_handler = new FH_NodeDiscoveryDM(); + register_frame_handler(_nd_handler); + } + _nd_handler->register_node_discovery_cb(function); +} + +void XBeeDM::unregister_node_discovery_cb() +{ + if (_nd_handler != NULL) { + _nd_handler->unregister_node_discovery_cb(); + unregister_frame_handler(_nd_handler); + delete _nd_handler; + _nd_handler = NULL; /* as delete does not set to NULL */ + } +} + +void XBeeDM::register_receive_cb(receive_dm_cb_t function) +{ + if (_rx_pkt_handler == NULL) { + _rx_pkt_handler = new FH_RxPacketDM(); + register_frame_handler(_rx_pkt_handler); + } + _rx_pkt_handler->register_receive_cb(function); +} + +void XBeeDM::unregister_receive_cb() +{ + if (_rx_pkt_handler != NULL) { + _rx_pkt_handler->unregister_receive_cb(); + unregister_frame_handler(_rx_pkt_handler); + delete _rx_pkt_handler; + _rx_pkt_handler = NULL; /* as delete does not set to NULL */ + } +} + +void XBeeDM::register_io_sample_cb(io_data_cb_dm_t function) +{ + if (_io_data_handler == NULL) { + _io_data_handler = new FH_IoDataSampeDM(); + register_frame_handler(_io_data_handler); + } + _io_data_handler->register_io_data_cb(function); +} + +void XBeeDM::unregister_io_sample_cb() +{ + if (_io_data_handler != NULL) { + _io_data_handler->unregister_io_data_cb(); + unregister_frame_handler(_io_data_handler); + delete _io_data_handler; + _io_data_handler = NULL; /* as delete does not set to NULL */ + } +} + +AtCmdFrame::AtCmdResp XBeeDM::get_param(const RemoteXBee& remote, const char * const param, uint32_t * const data) +{ + if (!remote.is_valid_addr64b()) { + return AtCmdFrame::AtCmdRespInvalidAddr; + } + + const uint64_t remote64 = remote.get_addr64(); + const uint16_t remote16 = remote.get_addr16(); + uint16_t len = sizeof *data; + AtCmdFrame::AtCmdResp atCmdResponse; + + AtCmdFrame cmd_frame = AtCmdFrame(remote64, remote16, param); + atCmdResponse = send_at_cmd(&cmd_frame, (uint8_t *)data, &len, RadioRemote); + + if (atCmdResponse == AtCmdFrame::AtCmdRespOk && len > sizeof *data) { + atCmdResponse = AtCmdFrame::AtCmdRespLenMismatch; + } + + return atCmdResponse; +} + +AtCmdFrame::AtCmdResp XBeeDM::set_param(const RemoteXBee& remote, const char * const param, uint32_t data) +{ + if (!remote.is_valid_addr64b()) { + return AtCmdFrame::AtCmdRespInvalidAddr; + } + + const uint64_t remote64 = remote.get_addr64(); + const uint16_t remote16 = remote.get_addr16(); + + AtCmdFrame cmd_frame = AtCmdFrame(remote64, remote16, param, data); + return send_at_cmd(&cmd_frame, NULL, NULL, RadioRemote); +} + +AtCmdFrame::AtCmdResp XBeeDM::set_param(const RemoteXBee& remote, const char * const param, const uint8_t * data, uint16_t len) +{ + if (!remote.is_valid_addr64b()) { + return AtCmdFrame::AtCmdRespInvalidAddr; + } + + const uint64_t remote64 = remote.get_addr64(); + const uint16_t remote16 = remote.get_addr16(); + + AtCmdFrame cmd_frame = AtCmdFrame(remote64, remote16, param, data, len); + return send_at_cmd(&cmd_frame, NULL, NULL, RadioRemote); +} + +AtCmdFrame::AtCmdResp XBeeDM::get_param(const RemoteXBee& remote, const char * const param, uint8_t * const data, uint16_t * const len) +{ + + if (!remote.is_valid_addr64b()) { + return AtCmdFrame::AtCmdRespInvalidAddr; + } + + const uint64_t remote64 = remote.get_addr64(); + const uint16_t remote16 = remote.get_addr16(); + + AtCmdFrame cmd_frame = AtCmdFrame(remote64, remote16, param); + return send_at_cmd(&cmd_frame, data, len, RadioRemote, false); +} + +static void get_dio_cmd(XBeeDM::IoLine line, char * const iocmd) +{ + if (line >= XBeeDM::DIO10_PWM0) { + iocmd[0] = 'P'; + iocmd[1] = '0' + line - XBeeDM::DIO10_PWM0; + } else { + iocmd[0] = 'D'; + iocmd[1] = '0' + line; + } + iocmd[2] = '\0'; +} + +RadioStatus XBeeDM::set_pin_config(const RemoteXBee& remote, IoLine line, IoMode mode) +{ + AtCmdFrame::AtCmdResp cmdresp; + char iocmd[3]; + + get_dio_cmd(line, iocmd); + + cmdresp = set_param(remote, iocmd, (uint8_t)mode); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + digi_log(LogLevelError, "set_pin_config: set_param returned %d\r\n", cmdresp); + return Failure; + } + + return Success; +} + +RadioStatus XBeeDM::get_pin_config(const RemoteXBee& remote, IoLine line, IoMode * const mode) +{ + AtCmdFrame::AtCmdResp cmdresp; + char iocmd[3]; + + get_dio_cmd(line, iocmd); + + uint32_t var32; + cmdresp = get_param(remote, iocmd, &var32); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + *mode = (IoMode)var32; + + return Success; +} + +RadioStatus XBeeDM::set_dio(const RemoteXBee& remote, IoLine line, DioVal val) +{ + return set_pin_config(remote, line, val == Low ? DigitalOutLow : DigitalOutHigh); +} + +RadioStatus XBeeDM::get_dio(const RemoteXBee& remote, IoLine line, DioVal * const val) +{ + return get_iosample(remote).get_dio(line, val); +} + +RadioStatus XBeeDM::get_adc(const RemoteXBee& remote, IoLine line, uint16_t * const val) +{ + return get_iosample(remote).get_adc(line, val); +} + +RadioStatus XBeeDM::set_pwm(const RemoteXBee& remote, IoLine line, float duty_cycle) +{ + AtCmdFrame::AtCmdResp cmdresp; + char iocmd[3] = { 'M', '0', '\0' }; + + if (line != DIO10_PWM0 && line != DIO11_PWM1) { + return Failure; + } + if (line == DIO11_PWM1) { + iocmd[1] = '1'; + } + + uint16_t pwm_val = (uint16_t)(duty_cycle * DR_PWM_MAX_VAL / 100); + + cmdresp = set_param(remote, iocmd, pwm_val); + return cmdresp == AtCmdFrame::AtCmdRespOk ? Success : Failure; +} + +IOSampleDM XBeeDM::get_iosample(const RemoteXBee& remote) +{ + uint8_t io_sample[MAX_IO_SAMPLE_DM_LEN]; + uint16_t len = sizeof io_sample; + + RadioStatus resp = _get_iosample(remote, io_sample, &len); + if (resp != Success) { + digi_log(LogLevelError, "XBeeDM::get_iosample failed to get an IOSample\r\n"); + len = 0; + } + + return IOSampleDM(io_sample, len); +} + +static uint16_t get_dio_pr_mask(XBeeDM::IoLine line) +{ + switch (line) { + case XBeeDM::DIO4: + return (1 << 0); + case XBeeDM::DIO3_AD3: + return (1 << 1); + case XBeeDM::DIO2_AD2: + return (1 << 2); + case XBeeDM::DIO1_AD1: + return (1 << 3); + case XBeeDM::DIO0_AD0: + return (1 << 4); + case XBeeDM::DIO6: + return (1 << 5); + case XBeeDM::DIO8: + return (1 << 6); + case XBeeDM::DIO5: + return (1 << 8); + case XBeeDM::DIO9: + return (1 << 9); + case XBeeDM::DIO12: + return (1 << 10); + case XBeeDM::DIO10_PWM0: + return (1 << 11); + case XBeeDM::DIO11_PWM1: + return (1 << 12); + case XBeeDM::DIO7: + return (1 << 13); + default: + return 0; + } +} + +RadioStatus XBeeDM::set_pin_pull_up(const RemoteXBee& remote, IoLine line, bool enable) +{ + AtCmdFrame::AtCmdResp cmdresp; + uint32_t var32; + uint16_t pr; + + cmdresp = get_param(remote, "PR", &var32); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + pr = var32; + + const uint16_t dio_mask = get_dio_pr_mask(line); + if (dio_mask == 0) { + digi_log(LogLevelError, "XBeeDM::set_pin_pull_up: invalid pin %d\r\n", line); + return Failure; + } + + if (enable) { + pr |= dio_mask; + } else { + pr &= ~dio_mask; + } + + cmdresp = set_param(remote, "PR", pr); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + + return Success; +} + +static uint16_t get_dio_ic_mask(XBeeDM::IoLine line) +{ + if (line <= XBeeDM::DIO12) { + return (1 << line); + } + return 0; +} + +RadioStatus XBeeDM::enable_dio_change_detection(const RemoteXBee& remote, IoLine line, bool enable) +{ + if (line > DIO12) { + digi_log(LogLevelError, "XBeeDM::enable_dio_change_detection: pin not supported (%d)\r\n", line); + return Failure; + } + + AtCmdFrame::AtCmdResp cmdresp; + uint32_t var32; + uint16_t ic; + + cmdresp = get_param(remote, "IC", &var32); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + ic = var32; + + const uint16_t dio_mask = get_dio_ic_mask(line); + if (dio_mask == 0) { + digi_log(LogLevelError, "XBeeDM::enable_dio_change_detection: invalid pin %d\r\n", line); + return Failure; + } + + if (enable) { + ic |= dio_mask; + } else { + ic &= ~dio_mask; + } + + cmdresp = set_param(remote, "IC", ic); + if (cmdresp != AtCmdFrame::AtCmdRespOk) { + return Failure; + } + + return Success; +}