Added RFM69 Support
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Firmware/lib/RFM69/License.txt
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GNU GENERAL PUBLIC LICENSE
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Version 3, 29 June 2007
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Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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||||
run a copy of the Program. Ancillary propagation of a covered work
|
||||
occurring solely as a consequence of using peer-to-peer transmission
|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims
|
||||
owned or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within
|
||||
the scope of its coverage, prohibits the exercise of, or is
|
||||
conditioned on the non-exercise of one or more of the rights that are
|
||||
specifically granted under this License. You may not convey a covered
|
||||
work if you are a party to an arrangement with a third party that is
|
||||
in the business of distributing software, under which you make payment
|
||||
to the third party based on the extent of your activity of conveying
|
||||
the work, and under which the third party grants, to any of the
|
||||
parties who would receive the covered work from you, a discriminatory
|
||||
patent license (a) in connection with copies of the covered work
|
||||
conveyed by you (or copies made from those copies), or (b) primarily
|
||||
for and in connection with specific products or compilations that
|
||||
contain the covered work, unless you entered into that arrangement,
|
||||
or that patent license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you may
|
||||
not convey it at all. For example, if you agree to terms that obligate you
|
||||
to collect a royalty for further conveying from those to whom you convey
|
||||
the Program, the only way you could satisfy both those terms and this
|
||||
License would be to refrain entirely from conveying the Program.
|
||||
|
||||
13. Use with the GNU Affero General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU Affero General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the special requirements of the GNU Affero General Public License,
|
||||
section 13, concerning interaction through a network will apply to the
|
||||
combination as such.
|
||||
|
||||
14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions of
|
||||
the GNU General Public License from time to time. Such new versions will
|
||||
be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the
|
||||
Program specifies that a certain numbered version of the GNU General
|
||||
Public License "or any later version" applies to it, you have the
|
||||
option of following the terms and conditions either of that numbered
|
||||
version or of any later version published by the Free Software
|
||||
Foundation. If the Program does not specify a version number of the
|
||||
GNU General Public License, you may choose any version ever published
|
||||
by the Free Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future
|
||||
versions of the GNU General Public License can be used, that proxy's
|
||||
public statement of acceptance of a version permanently authorizes you
|
||||
to choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||
SUCH DAMAGES.
|
||||
|
||||
17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
state the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program does terminal interaction, make it output a short
|
||||
notice like this when it starts in an interactive mode:
|
||||
|
||||
<program> Copyright (C) <year> <name of author>
|
||||
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||
parts of the General Public License. Of course, your program's commands
|
||||
might be different; for a GUI interface, you would use an "about box".
|
||||
|
||||
You should also get your employer (if you work as a programmer) or school,
|
||||
if any, to sign a "copyright disclaimer" for the program, if necessary.
|
||||
For more information on this, and how to apply and follow the GNU GPL, see
|
||||
<http://www.gnu.org/licenses/>.
|
||||
|
||||
The GNU General Public License does not permit incorporating your program
|
||||
into proprietary programs. If your program is a subroutine library, you
|
||||
may consider it more useful to permit linking proprietary applications with
|
||||
the library. If this is what you want to do, use the GNU Lesser General
|
||||
Public License instead of this License. But first, please read
|
||||
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
|
72
Firmware/lib/RFM69/README.md
Normal file
72
Firmware/lib/RFM69/README.md
Normal file
|
@ -0,0 +1,72 @@
|
|||
RFM69_f Library
|
||||
-----------------
|
||||
|
||||
Pretty much the original LowPowerLab's library, modified to work on
|
||||
attiny84 (e.g. [JeeNode
|
||||
Micro](http://jeelabs.net/projects/hardware/wiki/JeeNode_Micro) with
|
||||
RFM69CW).
|
||||
|
||||
<br />
|
||||
|
||||
Original RFM69 README begins here:
|
||||
|
||||
RFM69 Library
|
||||
----------------
|
||||
By Felix Rusu (felix@lowpowerlab.com)
|
||||
<br/>
|
||||
RFM69 library for RFM69W, RFM69HW, RFM69CW, RFM69HCW (semtech SX1231, SX1231H)
|
||||
|
||||
##License
|
||||
GPL 3.0, please see the License.txt file
|
||||
|
||||
|
||||
##Features
|
||||
Among others, this is a set of features implemented in this library:
|
||||
|
||||
- easy to use API with a few simple functions for basic usage
|
||||
- 255 possible nodes on 256 possible networks
|
||||
- 61 bytes max message length (limited to 61 to support AES hardware encryption)
|
||||
- customizable transmit power (32 levels) for low-power transmission control
|
||||
- sleep function for power saving
|
||||
- automatic ACKs with the sendWithRetry() function
|
||||
- hardware 128bit AES encryption
|
||||
- hardware preamble, synch recognition and CRC check
|
||||
- digital RSSI can be read at any time with readRSSI()
|
||||
- interrupt driven
|
||||
- tested on [Moteino R3, R4, R4-USB (ATMega328p)](http://lowpowerlab.com/shop/Moteino-R4)
|
||||
- works with RFM69W, RFM69HW, RFM69CW, RFM69HCW, Semtech SX1231/SX1231H transceivers
|
||||
- promiscuous mode allows any node to listen to any packet on same network
|
||||
|
||||
I consider this an initial beta release, it could contain bugs, but the provided Gateway and Node examples should work out of the box. Please let me know if you find issues.
|
||||
|
||||
###Installation
|
||||
Copy the content of this library in the "Arduino/libraries/RFM69" folder.
|
||||
<br />
|
||||
To find your Arduino folder go to File>Preferences in the Arduino IDE.
|
||||
<br/>
|
||||
See [this tutorial](http://learn.adafruit.com/arduino-tips-tricks-and-techniques/arduino-libraries) on Arduino libraries.
|
||||
|
||||
###MISC / possible issues
|
||||
- The library and examples are continuously improved as bugs and stability issues are discovered. Be sure to check back often for changes.
|
||||
- Moteino boards are loaded with fuses that will delay startup. This means that other boards like Duemilanove/UNO might need a delay() in the setup() function before doing anything - to allow the transceiver to power up.
|
||||
|
||||
###Sample usage
|
||||
- [Node](https://github.com/LowPowerLab/RFM69/blob/master/Examples/Node/Node.ino)
|
||||
- [Gateway](https://github.com/LowPowerLab/RFM69/blob/master/Examples/Gateway/Gateway.ino)
|
||||
|
||||
##Blog writeup
|
||||
http://lowpowerlab.com/blog/2013/06/20/rfm69-library/
|
||||
|
||||
##Why
|
||||
- I have spent a lot of time developing this library for RFM69W/HW transceivers. I made it open source because I believe a lot of people can benefit from this new powerful transceiver. I hope people will also contribute and build on my work
|
||||
- I have long researched alternative transceivers for RFM12B which is still an excellent transceiver but it is much lower output power and has limited built in features which need to be implemented in firmware (PREAMBLE, SYNC, CRC, packet engine, encryption etc).
|
||||
- I wanted a transceiver that could still be very small, easy to use, but have the longer range that I wanted
|
||||
- RFM69 comes in 2 variants that have the same layout/connections: RFM69W (13dBm, 45mA TX) and RFM69HW (20dBm, 130mA TX)
|
||||
|
||||
##RFM69W range
|
||||
- I have tested open-air range on these transceivers (the W only) in various combinations.
|
||||
- I am happy to say that a range of upwards of 350m can be achieved. I went to local parks and in very large parking spaces and I ran out of space, so more than 350m is possible. Some users reported upwards of 500m by lowering the bitrate, and a forum user reported 1.5miles at 1.2Kbps: see http://lowpowerlab.com/forum/index.php/topic,112.msg288.html and http://lowpowerlab.com/moteino/#antennas
|
||||
- The caveat with these higher RF power units is that they need more DC power when they transmit. For battery powered motes, you will need to keep them powered down and only transmit periodically. Use the sleep() function to put the radios in low power mode and use the [LowPower](https://github.com/rocketscream/Low-Power) or [Narcoleptic](https://code.google.com/p/narcoleptic/) libraries to power down your arduino
|
||||
|
||||
##License
|
||||
GPL 3.0. See License.txt file.
|
494
Firmware/lib/RFM69/RFM69_f.cpp
Normal file
494
Firmware/lib/RFM69/RFM69_f.cpp
Normal file
|
@ -0,0 +1,494 @@
|
|||
// **********************************************************************************
|
||||
// Driver definition for HopeRF RFM69W/RFM69HW/RFM69CW/RFM69HCW, Semtech SX1231/1231H
|
||||
// **********************************************************************************
|
||||
// Copyright Felix Rusu (2014), felix@lowpowerlab.com
|
||||
// http://lowpowerlab.com/
|
||||
// **********************************************************************************
|
||||
// License
|
||||
// **********************************************************************************
|
||||
// This program is free software; you can redistribute it
|
||||
// and/or modify it under the terms of the GNU General
|
||||
// Public License as published by the Free Software
|
||||
// Foundation; either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will
|
||||
// be useful, but WITHOUT ANY WARRANTY; without even the
|
||||
// implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
// PARTICULAR PURPOSE. See the GNU General Public
|
||||
// License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General
|
||||
// Public License along with this program.
|
||||
// If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
// Licence can be viewed at
|
||||
// http://www.gnu.org/licenses/gpl-3.0.txt
|
||||
//
|
||||
// Please maintain this license information along with authorship
|
||||
// and copyright notices in any redistribution of this code
|
||||
// **********************************************************************************
|
||||
#include <RFM69_f.h>
|
||||
#include <RFM69registers.h>
|
||||
|
||||
#include <tinySPI.h>
|
||||
|
||||
volatile byte RFM69::DATA[RF69_MAX_DATA_LEN];
|
||||
volatile byte RFM69::_mode; // current transceiver state
|
||||
volatile byte RFM69::DATALEN;
|
||||
volatile byte RFM69::SENDERID;
|
||||
volatile byte RFM69::TARGETID; //should match _address
|
||||
volatile byte RFM69::PAYLOADLEN;
|
||||
volatile byte RFM69::ACK_REQUESTED;
|
||||
volatile byte RFM69::ACK_RECEIVED; /// Should be polled immediately after sending a packet with ACK request
|
||||
volatile int RFM69::RSSI; //most accurate RSSI during reception (closest to the reception)
|
||||
RFM69* RFM69::selfPointer;
|
||||
|
||||
bool RFM69::initialize(byte freqBand, byte nodeID, byte networkID)
|
||||
{
|
||||
const byte CONFIG[][2] =
|
||||
{
|
||||
/* 0x01 */ { REG_OPMODE, RF_OPMODE_SEQUENCER_ON | RF_OPMODE_LISTEN_OFF | RF_OPMODE_STANDBY },
|
||||
/* 0x02 */ { REG_DATAMODUL, RF_DATAMODUL_DATAMODE_PACKET | RF_DATAMODUL_MODULATIONTYPE_FSK | RF_DATAMODUL_MODULATIONSHAPING_00 }, //no shaping
|
||||
/* 0x03 */ { REG_BITRATEMSB, RF_BITRATEMSB_55555}, //default:4.8 KBPS
|
||||
/* 0x04 */ { REG_BITRATELSB, RF_BITRATELSB_55555},
|
||||
/* 0x05 */ { REG_FDEVMSB, RF_FDEVMSB_50000}, //default:5khz, (FDEV + BitRate/2 <= 500Khz)
|
||||
/* 0x06 */ { REG_FDEVLSB, RF_FDEVLSB_50000},
|
||||
|
||||
/* 0x07 */ { REG_FRFMSB, (freqBand==RF69_315MHZ ? RF_FRFMSB_315 : (freqBand==RF69_433MHZ ? RF_FRFMSB_433 : (freqBand==RF69_868MHZ ? RF_FRFMSB_868 : RF_FRFMSB_915))) },
|
||||
/* 0x08 */ { REG_FRFMID, (freqBand==RF69_315MHZ ? RF_FRFMID_315 : (freqBand==RF69_433MHZ ? RF_FRFMID_433 : (freqBand==RF69_868MHZ ? RF_FRFMID_868 : RF_FRFMID_915))) },
|
||||
/* 0x09 */ { REG_FRFLSB, (freqBand==RF69_315MHZ ? RF_FRFLSB_315 : (freqBand==RF69_433MHZ ? RF_FRFLSB_433 : (freqBand==RF69_868MHZ ? RF_FRFLSB_868 : RF_FRFLSB_915))) },
|
||||
|
||||
// looks like PA1 and PA2 are not implemented on RFM69W, hence the max output power is 13dBm
|
||||
// +17dBm and +20dBm are possible on RFM69HW
|
||||
// +13dBm formula: Pout=-18+OutputPower (with PA0 or PA1**)
|
||||
// +17dBm formula: Pout=-14+OutputPower (with PA1 and PA2)**
|
||||
// +20dBm formula: Pout=-11+OutputPower (with PA1 and PA2)** and high power PA settings (section 3.3.7 in datasheet)
|
||||
///* 0x11 */ { REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_OFF | RF_PALEVEL_PA2_OFF | RF_PALEVEL_OUTPUTPOWER_11111},
|
||||
///* 0x13 */ { REG_OCP, RF_OCP_ON | RF_OCP_TRIM_95 }, //over current protection (default is 95mA)
|
||||
|
||||
// RXBW defaults are { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_5} (RxBw: 10.4khz)
|
||||
/* 0x19 */ { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_16 | RF_RXBW_EXP_2 }, //(BitRate < 2 * RxBw)
|
||||
//for BR-19200: //* 0x19 */ { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_3 },
|
||||
/* 0x25 */ { REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_01 }, //DIO0 is the only IRQ we're using
|
||||
/* 0x29 */ { REG_RSSITHRESH, 220 }, //must be set to dBm = (-Sensitivity / 2) - default is 0xE4=228 so -114dBm
|
||||
///* 0x2d */ { REG_PREAMBLELSB, RF_PREAMBLESIZE_LSB_VALUE } // default 3 preamble bytes 0xAAAAAA
|
||||
/* 0x2e */ { REG_SYNCCONFIG, RF_SYNC_ON | RF_SYNC_FIFOFILL_AUTO | RF_SYNC_SIZE_2 | RF_SYNC_TOL_0 },
|
||||
/* 0x2f */ { REG_SYNCVALUE1, 0x2D }, //attempt to make this compatible with sync1 byte of RFM12B lib
|
||||
/* 0x30 */ { REG_SYNCVALUE2, networkID }, //NETWORK ID
|
||||
/* 0x37 */ { REG_PACKETCONFIG1, RF_PACKET1_FORMAT_VARIABLE | RF_PACKET1_DCFREE_OFF | RF_PACKET1_CRC_ON | RF_PACKET1_CRCAUTOCLEAR_ON | RF_PACKET1_ADRSFILTERING_OFF },
|
||||
/* 0x38 */ { REG_PAYLOADLENGTH, 66 }, //in variable length mode: the max frame size, not used in TX
|
||||
//* 0x39 */ { REG_NODEADRS, nodeID }, //turned off because we're not using address filtering
|
||||
/* 0x3C */ { REG_FIFOTHRESH, RF_FIFOTHRESH_TXSTART_FIFONOTEMPTY | RF_FIFOTHRESH_VALUE }, //TX on FIFO not empty
|
||||
/* 0x3d */ { REG_PACKETCONFIG2, RF_PACKET2_RXRESTARTDELAY_2BITS | RF_PACKET2_AUTORXRESTART_ON | RF_PACKET2_AES_OFF }, //RXRESTARTDELAY must match transmitter PA ramp-down time (bitrate dependent)
|
||||
//for BR-19200: //* 0x3d */ { REG_PACKETCONFIG2, RF_PACKET2_RXRESTARTDELAY_NONE | RF_PACKET2_AUTORXRESTART_ON | RF_PACKET2_AES_OFF }, //RXRESTARTDELAY must match transmitter PA ramp-down time (bitrate dependent)
|
||||
//* 0x6F */ { REG_TESTDAGC, RF_DAGC_CONTINUOUS }, // run DAGC continuously in RX mode
|
||||
/* 0x6F */ { REG_TESTDAGC, RF_DAGC_IMPROVED_LOWBETA0 }, // run DAGC continuously in RX mode, recommended default for AfcLowBetaOn=0
|
||||
{255, 0}
|
||||
};
|
||||
|
||||
pinMode(_slaveSelectPin, OUTPUT);
|
||||
digitalWrite(_slaveSelectPin, HIGH);
|
||||
SPI.begin();
|
||||
|
||||
do writeReg(REG_SYNCVALUE1, 0xaa); while (readReg(REG_SYNCVALUE1) != 0xaa);
|
||||
do writeReg(REG_SYNCVALUE1, 0x55); while (readReg(REG_SYNCVALUE1) != 0x55);
|
||||
|
||||
for (byte i = 0; CONFIG[i][0] != 255; i++)
|
||||
writeReg(CONFIG[i][0], CONFIG[i][1]);
|
||||
|
||||
// Encryption is persistent between resets and can trip you up during debugging.
|
||||
// Disable it during initialization so we always start from a known state.
|
||||
encrypt(0);
|
||||
|
||||
setHighPower(_isRFM69HW); //called regardless if it's a RFM69W or RFM69HW
|
||||
setMode(RF69_MODE_STANDBY);
|
||||
while ((readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00); // Wait for ModeReady
|
||||
attachInterrupt(_interruptNum, RFM69::isr0, RISING);
|
||||
|
||||
selfPointer = this;
|
||||
_address = nodeID;
|
||||
return true;
|
||||
}
|
||||
|
||||
//return the frequency (in Hz)
|
||||
uint32_t RFM69::getFrequency()
|
||||
{
|
||||
return RF69_FSTEP * (((uint32_t)readReg(REG_FRFMSB)<<16) + ((uint16_t)readReg(REG_FRFMID)<<8) + readReg(REG_FRFLSB));
|
||||
}
|
||||
|
||||
//set the frequency (in Hz)
|
||||
void RFM69::setFrequency(uint32_t freqHz)
|
||||
{
|
||||
//TODO: p38 hopping sequence may need to be followed in some cases
|
||||
freqHz /= RF69_FSTEP; //divide down by FSTEP to get FRF
|
||||
writeReg(REG_FRFMSB, freqHz >> 16);
|
||||
writeReg(REG_FRFMID, freqHz >> 8);
|
||||
writeReg(REG_FRFLSB, freqHz);
|
||||
}
|
||||
|
||||
void RFM69::setMode(byte newMode)
|
||||
{
|
||||
if (newMode == _mode) return; //TODO: can remove this?
|
||||
|
||||
switch (newMode) {
|
||||
case RF69_MODE_TX:
|
||||
writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_TRANSMITTER);
|
||||
if (_isRFM69HW) setHighPowerRegs(true);
|
||||
break;
|
||||
case RF69_MODE_RX:
|
||||
writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_RECEIVER);
|
||||
if (_isRFM69HW) setHighPowerRegs(false);
|
||||
break;
|
||||
case RF69_MODE_SYNTH:
|
||||
writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_SYNTHESIZER);
|
||||
break;
|
||||
case RF69_MODE_STANDBY:
|
||||
writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_STANDBY);
|
||||
break;
|
||||
case RF69_MODE_SLEEP:
|
||||
writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_SLEEP);
|
||||
break;
|
||||
default: return;
|
||||
}
|
||||
|
||||
// we are using packet mode, so this check is not really needed
|
||||
// but waiting for mode ready is necessary when going from sleep because the FIFO may not be immediately available from previous mode
|
||||
while (_mode == RF69_MODE_SLEEP && (readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00); // Wait for ModeReady
|
||||
|
||||
_mode = newMode;
|
||||
}
|
||||
|
||||
void RFM69::sleep() {
|
||||
setMode(RF69_MODE_SLEEP);
|
||||
}
|
||||
|
||||
void RFM69::setAddress(byte addr)
|
||||
{
|
||||
_address = addr;
|
||||
writeReg(REG_NODEADRS, _address);
|
||||
}
|
||||
|
||||
void RFM69::setNetwork(byte networkID)
|
||||
{
|
||||
writeReg(REG_SYNCVALUE2, networkID);
|
||||
}
|
||||
|
||||
// set output power: 0=min, 31=max
|
||||
// this results in a "weaker" transmitted signal, and directly results in a lower RSSI at the receiver
|
||||
void RFM69::setPowerLevel(byte powerLevel)
|
||||
{
|
||||
_powerLevel = powerLevel;
|
||||
writeReg(REG_PALEVEL, (readReg(REG_PALEVEL) & 0xE0) | (_powerLevel > 31 ? 31 : _powerLevel));
|
||||
}
|
||||
|
||||
bool RFM69::canSend()
|
||||
{
|
||||
if (_mode == RF69_MODE_RX && PAYLOADLEN == 0 && readRSSI() < CSMA_LIMIT) //if signal stronger than -100dBm is detected assume channel activity
|
||||
{
|
||||
setMode(RF69_MODE_STANDBY);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
void RFM69::send(byte toAddress, const void* buffer, byte bufferSize, bool requestACK)
|
||||
{
|
||||
writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks
|
||||
unsigned long now = millis();
|
||||
while (!canSend() && millis()-now < RF69_CSMA_LIMIT_MS) receiveDone();
|
||||
sendFrame(toAddress, buffer, bufferSize, requestACK, false);
|
||||
}
|
||||
|
||||
// to increase the chance of getting a packet across, call this function instead of send
|
||||
// and it handles all the ACK requesting/retrying for you :)
|
||||
// The only twist is that you have to manually listen to ACK requests on the other side and send back the ACKs
|
||||
// The reason for the semi-automaton is that the lib is ingterrupt driven and
|
||||
// requires user action to read the received data and decide what to do with it
|
||||
// replies usually take only 5-8ms at 50kbps@915Mhz
|
||||
bool RFM69::sendWithRetry(byte toAddress, const void* buffer, byte bufferSize, byte retries, byte retryWaitTime) {
|
||||
unsigned long sentTime;
|
||||
for (byte i=0; i<=retries; i++)
|
||||
{
|
||||
send(toAddress, buffer, bufferSize, true);
|
||||
sentTime = millis();
|
||||
while (millis()-sentTime<retryWaitTime)
|
||||
{
|
||||
if (ACKReceived(toAddress))
|
||||
{
|
||||
//Serial.print(" ~ms:");Serial.print(millis()-sentTime);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
//Serial.print(" RETRY#");Serial.println(i+1);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/// Should be polled immediately after sending a packet with ACK request
|
||||
bool RFM69::ACKReceived(byte fromNodeID) {
|
||||
if (receiveDone())
|
||||
return (SENDERID == fromNodeID || fromNodeID == RF69_BROADCAST_ADDR) && ACK_RECEIVED;
|
||||
return false;
|
||||
}
|
||||
|
||||
//check whether an ACK was requested in the last received packet (non-broadcasted packet)
|
||||
bool RFM69::ACKRequested() {
|
||||
return ACK_REQUESTED && (TARGETID != RF69_BROADCAST_ADDR);
|
||||
}
|
||||
|
||||
/// Should be called immediately after reception in case sender wants ACK
|
||||
void RFM69::sendACK(const void* buffer, byte bufferSize) {
|
||||
byte sender = SENDERID;
|
||||
int _RSSI = RSSI; //save payload received RSSI value
|
||||
writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks
|
||||
unsigned long now = millis();
|
||||
while (!canSend() && millis()-now < RF69_CSMA_LIMIT_MS) receiveDone();
|
||||
sendFrame(sender, buffer, bufferSize, false, true);
|
||||
RSSI = _RSSI; //restore payload RSSI
|
||||
}
|
||||
|
||||
void RFM69::sendFrame(byte toAddress, const void* buffer, byte bufferSize, bool requestACK, bool sendACK)
|
||||
{
|
||||
setMode(RF69_MODE_STANDBY); //turn off receiver to prevent reception while filling fifo
|
||||
while ((readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00); // Wait for ModeReady
|
||||
writeReg(REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_00); // DIO0 is "Packet Sent"
|
||||
if (bufferSize > RF69_MAX_DATA_LEN) bufferSize = RF69_MAX_DATA_LEN;
|
||||
|
||||
//write to FIFO
|
||||
select();
|
||||
SPI.transfer(REG_FIFO | 0x80);
|
||||
SPI.transfer(bufferSize + 3);
|
||||
SPI.transfer(toAddress);
|
||||
SPI.transfer(_address);
|
||||
|
||||
//control byte
|
||||
if (sendACK)
|
||||
SPI.transfer(0x80);
|
||||
else if (requestACK)
|
||||
SPI.transfer(0x40);
|
||||
else SPI.transfer(0x00);
|
||||
|
||||
for (byte i = 0; i < bufferSize; i++)
|
||||
SPI.transfer(((byte*)buffer)[i]);
|
||||
unselect();
|
||||
|
||||
/* no need to wait for transmit mode to be ready since its handled by the radio */
|
||||
setMode(RF69_MODE_TX);
|
||||
unsigned long txStart = millis();
|
||||
while (digitalRead(_interruptPin) == 0 && millis()-txStart < RF69_TX_LIMIT_MS); //wait for DIO0 to turn HIGH signalling transmission finish
|
||||
//while (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PACKETSENT == 0x00); // Wait for ModeReady
|
||||
setMode(RF69_MODE_STANDBY);
|
||||
}
|
||||
|
||||
void RFM69::interruptHandler() {
|
||||
if (_mode == RF69_MODE_RX && (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PAYLOADREADY))
|
||||
{
|
||||
//RSSI = readRSSI();
|
||||
setMode(RF69_MODE_STANDBY);
|
||||
select();
|
||||
SPI.transfer(REG_FIFO & 0x7f);
|
||||
PAYLOADLEN = SPI.transfer(0);
|
||||
PAYLOADLEN = PAYLOADLEN > 66 ? 66 : PAYLOADLEN; //precaution
|
||||
TARGETID = SPI.transfer(0);
|
||||
if(!(_promiscuousMode || TARGETID==_address || TARGETID==RF69_BROADCAST_ADDR) //match this node's address, or broadcast address or anything in promiscuous mode
|
||||
|| PAYLOADLEN < 3) //address situation could receive packets that are malformed and don't fit this libraries extra fields
|
||||
{
|
||||
PAYLOADLEN = 0;
|
||||
unselect();
|
||||
receiveBegin();
|
||||
//digitalWrite(4, 0);
|
||||
return;
|
||||
}
|
||||
|
||||
DATALEN = PAYLOADLEN - 3;
|
||||
SENDERID = SPI.transfer(0);
|
||||
byte CTLbyte = SPI.transfer(0);
|
||||
|
||||
ACK_RECEIVED = CTLbyte & 0x80; //extract ACK-requested flag
|
||||
ACK_REQUESTED = CTLbyte & 0x40; //extract ACK-received flag
|
||||
|
||||
for (byte i= 0; i < DATALEN; i++)
|
||||
{
|
||||
DATA[i] = SPI.transfer(0);
|
||||
}
|
||||
if (DATALEN<RF69_MAX_DATA_LEN) DATA[DATALEN]=0; //add null at end of string
|
||||
unselect();
|
||||
setMode(RF69_MODE_RX);
|
||||
}
|
||||
RSSI = readRSSI();
|
||||
//digitalWrite(4, 0);
|
||||
}
|
||||
|
||||
void RFM69::isr0() { selfPointer->interruptHandler(); }
|
||||
|
||||
void RFM69::receiveBegin() {
|
||||
DATALEN = 0;
|
||||
SENDERID = 0;
|
||||
TARGETID = 0;
|
||||
PAYLOADLEN = 0;
|
||||
ACK_REQUESTED = 0;
|
||||
ACK_RECEIVED = 0;
|
||||
RSSI = 0;
|
||||
if (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PAYLOADREADY)
|
||||
writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks
|
||||
writeReg(REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_01); //set DIO0 to "PAYLOADREADY" in receive mode
|
||||
setMode(RF69_MODE_RX);
|
||||
}
|
||||
|
||||
bool RFM69::receiveDone() {
|
||||
// ATOMIC_BLOCK(ATOMIC_FORCEON)
|
||||
// {
|
||||
noInterrupts(); //re-enabled in unselect() via setMode() or via receiveBegin()
|
||||
if (_mode == RF69_MODE_RX && PAYLOADLEN>0)
|
||||
{
|
||||
setMode(RF69_MODE_STANDBY); //enables interrupts
|
||||
return true;
|
||||
}
|
||||
else if (_mode == RF69_MODE_RX) //already in RX no payload yet
|
||||
{
|
||||
interrupts(); //explicitly re-enable interrupts
|
||||
return false;
|
||||
}
|
||||
receiveBegin();
|
||||
return false;
|
||||
//}
|
||||
}
|
||||
|
||||
// To enable encryption: radio.encrypt("ABCDEFGHIJKLMNOP");
|
||||
// To disable encryption: radio.encrypt(null) or radio.encrypt(0)
|
||||
// KEY HAS TO BE 16 bytes !!!
|
||||
void RFM69::encrypt(const char* key) {
|
||||
setMode(RF69_MODE_STANDBY);
|
||||
if (key!=0)
|
||||
{
|
||||
select();
|
||||
SPI.transfer(REG_AESKEY1 | 0x80);
|
||||
for (byte i = 0; i<16; i++)
|
||||
SPI.transfer(key[i]);
|
||||
unselect();
|
||||
}
|
||||
writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFE) | (key ? 1 : 0));
|
||||
}
|
||||
|
||||
int RFM69::readRSSI(bool forceTrigger) {
|
||||
int rssi = 0;
|
||||
if (forceTrigger)
|
||||
{
|
||||
//RSSI trigger not needed if DAGC is in continuous mode
|
||||
writeReg(REG_RSSICONFIG, RF_RSSI_START);
|
||||
while ((readReg(REG_RSSICONFIG) & RF_RSSI_DONE) == 0x00); // Wait for RSSI_Ready
|
||||
}
|
||||
rssi = -readReg(REG_RSSIVALUE);
|
||||
rssi >>= 1;
|
||||
return rssi;
|
||||
}
|
||||
|
||||
byte RFM69::readReg(byte addr)
|
||||
{
|
||||
select();
|
||||
SPI.transfer(addr & 0x7F);
|
||||
byte regval = SPI.transfer(0);
|
||||
unselect();
|
||||
return regval;
|
||||
}
|
||||
|
||||
void RFM69::writeReg(byte addr, byte value)
|
||||
{
|
||||
select();
|
||||
SPI.transfer(addr | 0x80);
|
||||
SPI.transfer(value);
|
||||
unselect();
|
||||
}
|
||||
|
||||
/// Select the transceiver
|
||||
void RFM69::select() {
|
||||
noInterrupts();
|
||||
#if defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny44__) // tiny doesn't set SPI settings like this
|
||||
#else // set SPI settings if not on tiny
|
||||
// save current SPI settings
|
||||
_SPCR = SPCR;
|
||||
_SPSR = SPSR;
|
||||
SPCR = (SPCR & ~0x0C) | 0x00; // SPI.setDataMode(SPI_MODE0); (last hex number is the mode)
|
||||
SPCR &= ~(_BV(DORD)); // this is for MSBFIRST; LSBFIRST would be SPCR |= _BV(DORD);
|
||||
// clock divider: look this up in the datasheet
|
||||
// DIV4: use 0x00 here: V
|
||||
// DIV2: use 0x04 here: v
|
||||
SPCR = (SPCR & ~0x03) | (0x00 & 0x03);
|
||||
SPSR = (SPSR & ~0x01) | (0x00 & 0x01);
|
||||
#endif
|
||||
digitalWrite(_slaveSelectPin, LOW);
|
||||
}
|
||||
|
||||
/// UNselect the transceiver chip
|
||||
void RFM69::unselect() {
|
||||
digitalWrite(_slaveSelectPin, HIGH);
|
||||
#if defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny44__)
|
||||
#else
|
||||
//restore SPI settings to what they were before talking to RFM69
|
||||
SPCR = _SPCR;
|
||||
SPSR = _SPSR;
|
||||
#endif
|
||||
interrupts();
|
||||
}
|
||||
|
||||
// ON = disable filtering to capture all frames on network
|
||||
// OFF = enable node+broadcast filtering to capture only frames sent to this/broadcast address
|
||||
void RFM69::promiscuous(bool onOff) {
|
||||
_promiscuousMode=onOff;
|
||||
//writeReg(REG_PACKETCONFIG1, (readReg(REG_PACKETCONFIG1) & 0xF9) | (onOff ? RF_PACKET1_ADRSFILTERING_OFF : RF_PACKET1_ADRSFILTERING_NODEBROADCAST));
|
||||
}
|
||||
|
||||
void RFM69::setHighPower(bool onOff) {
|
||||
_isRFM69HW = onOff;
|
||||
writeReg(REG_OCP, _isRFM69HW ? RF_OCP_OFF : RF_OCP_ON);
|
||||
if (_isRFM69HW) //turning ON
|
||||
writeReg(REG_PALEVEL, (readReg(REG_PALEVEL) & 0x1F) | RF_PALEVEL_PA1_ON | RF_PALEVEL_PA2_ON); //enable P1 & P2 amplifier stages
|
||||
else
|
||||
writeReg(REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_OFF | RF_PALEVEL_PA2_OFF | _powerLevel); //enable P0 only
|
||||
}
|
||||
|
||||
void RFM69::setHighPowerRegs(bool onOff) {
|
||||
writeReg(REG_TESTPA1, onOff ? 0x5D : 0x55);
|
||||
writeReg(REG_TESTPA2, onOff ? 0x7C : 0x70);
|
||||
}
|
||||
|
||||
void RFM69::setCS(byte newSPISlaveSelect) {
|
||||
_slaveSelectPin = newSPISlaveSelect;
|
||||
pinMode(_slaveSelectPin, OUTPUT);
|
||||
}
|
||||
|
||||
//for debugging
|
||||
void RFM69::readAllRegs()
|
||||
{
|
||||
byte regVal;
|
||||
|
||||
for (byte regAddr = 1; regAddr <= 0x4F; regAddr++)
|
||||
{
|
||||
select();
|
||||
SPI.transfer(regAddr & 0x7f); // send address + r/w bit
|
||||
regVal = SPI.transfer(0);
|
||||
unselect();
|
||||
|
||||
Serial.print(regAddr, HEX);
|
||||
Serial.print(" - ");
|
||||
Serial.print(regVal,HEX);
|
||||
Serial.print(" - ");
|
||||
Serial.println(regVal,BIN);
|
||||
}
|
||||
unselect();
|
||||
}
|
||||
|
||||
byte RFM69::readTemperature(byte calFactor) //returns centigrade
|
||||
{
|
||||
setMode(RF69_MODE_STANDBY);
|
||||
writeReg(REG_TEMP1, RF_TEMP1_MEAS_START);
|
||||
while ((readReg(REG_TEMP1) & RF_TEMP1_MEAS_RUNNING)) Serial.print('*');
|
||||
return ~readReg(REG_TEMP2) + COURSE_TEMP_COEF + calFactor; //'complement'corrects the slope, rising temp = rising val
|
||||
} // COURSE_TEMP_COEF puts reading in the ballpark, user can add additional correction
|
||||
|
||||
void RFM69::rcCalibration()
|
||||
{
|
||||
writeReg(REG_OSC1, RF_OSC1_RCCAL_START);
|
||||
while ((readReg(REG_OSC1) & RF_OSC1_RCCAL_DONE) == 0x00);
|
||||
}
|
149
Firmware/lib/RFM69/RFM69_f.h
Normal file
149
Firmware/lib/RFM69/RFM69_f.h
Normal file
|
@ -0,0 +1,149 @@
|
|||
// **********************************************************************************
|
||||
// Driver definition for HopeRF RFM69W/RFM69HW/RFM69CW/RFM69HCW, Semtech SX1231/1231H
|
||||
// **********************************************************************************
|
||||
// Copyright Felix Rusu (2014), felix@lowpowerlab.com
|
||||
// http://lowpowerlab.com/
|
||||
// **********************************************************************************
|
||||
// License
|
||||
// **********************************************************************************
|
||||
// This program is free software; you can redistribute it
|
||||
// and/or modify it under the terms of the GNU General
|
||||
// Public License as published by the Free Software
|
||||
// Foundation; either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will
|
||||
// be useful, but WITHOUT ANY WARRANTY; without even the
|
||||
// implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
// PARTICULAR PURPOSE. See the GNU General Public
|
||||
// License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General
|
||||
// Public License along with this program.
|
||||
// If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
// Licence can be viewed at
|
||||
// http://www.gnu.org/licenses/gpl-3.0.txt
|
||||
//
|
||||
// Please maintain this license information along with authorship
|
||||
// and copyright notices in any redistribution of this code
|
||||
// **********************************************************************************
|
||||
#ifndef RFM69_f_h
|
||||
#define RFM69_f_h
|
||||
#include <Arduino.h> //assumes Arduino IDE v1.0 or greater
|
||||
|
||||
#define RF69_MAX_DATA_LEN 61 // to take advantage of the built in AES/CRC we want to limit the frame size to the internal FIFO size (66 bytes - 3 bytes overhead)
|
||||
#define RF69_SPI_CS SS // SS is the SPI slave select pin, for instance D10 on atmega328
|
||||
|
||||
// INT0 on AVRs should be connected to RFM69's DIO0 (ex on Atmega328 it's D2, on Atmega644/1284 it's D2)
|
||||
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
|
||||
#define RF69_IRQ_PIN 2
|
||||
#define RF69_IRQ_NUM 0
|
||||
#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284P__)
|
||||
#define RF69_IRQ_PIN 2
|
||||
#define RF69_IRQ_NUM 2
|
||||
#elif defined(__AVR_ATmega32U4__)
|
||||
#define RF69_IRQ_PIN 3
|
||||
#define RF69_IRQ_NUM 0
|
||||
#elif defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny44__)
|
||||
#define RF69_IRQ_PIN 2 // PB2/INT0
|
||||
#define RF69_IRQ_NUM 0
|
||||
#undef RF69_SPI_CS
|
||||
#define RF69_SPI_CS 1 // PB1
|
||||
#endif
|
||||
|
||||
|
||||
#define CSMA_LIMIT -90 // upper RX signal sensitivity threshold in dBm for carrier sense access
|
||||
#define RF69_MODE_SLEEP 0 // XTAL OFF
|
||||
#define RF69_MODE_STANDBY 1 // XTAL ON
|
||||
#define RF69_MODE_SYNTH 2 // PLL ON
|
||||
#define RF69_MODE_RX 3 // RX MODE
|
||||
#define RF69_MODE_TX 4 // TX MODE
|
||||
|
||||
//available frequency bands
|
||||
#define RF69_315MHZ 31 // non trivial values to avoid misconfiguration
|
||||
#define RF69_433MHZ 43
|
||||
#define RF69_868MHZ 86
|
||||
#define RF69_915MHZ 91
|
||||
|
||||
#define null 0
|
||||
#define COURSE_TEMP_COEF -90 // puts the temperature reading in the ballpark, user can fine tune the returned value
|
||||
#define RF69_BROADCAST_ADDR 255
|
||||
#define RF69_CSMA_LIMIT_MS 1000
|
||||
#define RF69_TX_LIMIT_MS 1000
|
||||
#define RF69_FSTEP 61.03515625 // == FXOSC/2^19 = 32mhz/2^19 (p13 in DS)
|
||||
|
||||
class RFM69 {
|
||||
public:
|
||||
static volatile byte DATA[RF69_MAX_DATA_LEN]; // recv/xmit buf, including hdr & crc bytes
|
||||
static volatile byte DATALEN;
|
||||
static volatile byte SENDERID;
|
||||
static volatile byte TARGETID; //should match _address
|
||||
static volatile byte PAYLOADLEN;
|
||||
static volatile byte ACK_REQUESTED;
|
||||
static volatile byte ACK_RECEIVED; /// Should be polled immediately after sending a packet with ACK request
|
||||
static volatile int RSSI; //most accurate RSSI during reception (closest to the reception)
|
||||
static volatile byte _mode; //should be protected?
|
||||
|
||||
RFM69(byte slaveSelectPin=RF69_SPI_CS, byte interruptPin=RF69_IRQ_PIN, bool isRFM69HW=false, byte interruptNum=RF69_IRQ_NUM) {
|
||||
_slaveSelectPin = slaveSelectPin;
|
||||
_interruptPin = interruptPin;
|
||||
_interruptNum = interruptNum;
|
||||
_mode = RF69_MODE_STANDBY;
|
||||
_promiscuousMode = false;
|
||||
_powerLevel = 31;
|
||||
_isRFM69HW = isRFM69HW;
|
||||
}
|
||||
|
||||
bool initialize(byte freqBand, byte ID, byte networkID=1);
|
||||
void setAddress(byte addr);
|
||||
void setNetwork(byte networkID);
|
||||
bool canSend();
|
||||
void send(byte toAddress, const void* buffer, byte bufferSize, bool requestACK=false);
|
||||
bool sendWithRetry(byte toAddress, const void* buffer, byte bufferSize, byte retries=2, byte retryWaitTime=40); //40ms roundtrip req for 61byte packets
|
||||
bool receiveDone();
|
||||
bool ACKReceived(byte fromNodeID);
|
||||
bool ACKRequested();
|
||||
void sendACK(const void* buffer = "", uint8_t bufferSize=0);
|
||||
uint32_t getFrequency();
|
||||
void setFrequency(uint32_t freqHz);
|
||||
void encrypt(const char* key);
|
||||
void setCS(byte newSPISlaveSelect);
|
||||
int readRSSI(bool forceTrigger=false);
|
||||
void promiscuous(bool onOff=true);
|
||||
void setHighPower(bool onOFF=true); //have to call it after initialize for RFM69HW
|
||||
void setPowerLevel(byte level); //reduce/increase transmit power level
|
||||
void sleep();
|
||||
byte readTemperature(byte calFactor=0); //get CMOS temperature (8bit)
|
||||
void rcCalibration(); //calibrate the internal RC oscillator for use in wide temperature variations - see datasheet section [4.3.5. RC Timer Accuracy]
|
||||
|
||||
// allow hacking registers by making these public
|
||||
byte readReg(byte addr);
|
||||
void writeReg(byte addr, byte val);
|
||||
void readAllRegs();
|
||||
|
||||
protected:
|
||||
static void isr0();
|
||||
void virtual interruptHandler();
|
||||
void sendFrame(byte toAddress, const void* buffer, byte size, bool requestACK=false, bool sendACK=false);
|
||||
|
||||
static RFM69* selfPointer;
|
||||
byte _slaveSelectPin;
|
||||
byte _interruptPin;
|
||||
byte _interruptNum;
|
||||
byte _address;
|
||||
bool _promiscuousMode;
|
||||
byte _powerLevel;
|
||||
bool _isRFM69HW;
|
||||
byte _SPCR;
|
||||
byte _SPSR;
|
||||
|
||||
void receiveBegin();
|
||||
void setMode(byte mode);
|
||||
void setHighPowerRegs(bool onOff);
|
||||
void select();
|
||||
void unselect();
|
||||
|
||||
};
|
||||
|
||||
#endif
|
1069
Firmware/lib/RFM69/RFM69registers.h
Normal file
1069
Firmware/lib/RFM69/RFM69registers.h
Normal file
File diff suppressed because it is too large
Load diff
54
Firmware/lib/RFM69/keywords.txt
Normal file
54
Firmware/lib/RFM69/keywords.txt
Normal file
|
@ -0,0 +1,54 @@
|
|||
#######################################
|
||||
# Syntax Coloring Map for RFM69
|
||||
#######################################
|
||||
|
||||
#######################################
|
||||
# Datatypes (KEYWORD1)
|
||||
#######################################
|
||||
|
||||
#######################################
|
||||
# Instances (KEYWORD2)
|
||||
#######################################
|
||||
RFM69 KEYWORD2
|
||||
|
||||
#######################################
|
||||
# Methods and Functions (KEYWORD2)
|
||||
#######################################
|
||||
initialize KEYWORD2
|
||||
setAddress KEYWORD2
|
||||
canSend KEYWORD2
|
||||
send KEYWORD2
|
||||
sendWithRetry KEYWORD2
|
||||
receiveDone KEYWORD2
|
||||
ACKReceived KEYWORD2
|
||||
sendACK KEYWORD2
|
||||
setFrequency KEYWORD2
|
||||
getFrequency KEYWORD2
|
||||
encrypt KEYWORD2
|
||||
setCS KEYWORD2
|
||||
readRSSI KEYWORD2
|
||||
promiscuous KEYWORD2
|
||||
setHighPower KEYWORD2
|
||||
CryptFunction KEYWORD2
|
||||
sleep KEYWORD2
|
||||
readReg KEYWORD2
|
||||
writeReg KEYWORD2
|
||||
|
||||
#######################################
|
||||
# Constants (LITERAL1)
|
||||
#######################################
|
||||
RF69_315MHZ LITERAL1
|
||||
RF69_433MHZ LITERAL1
|
||||
RF69_868MHZ LITERAL1
|
||||
RF69_915MHZ LITERAL1
|
||||
#######################################
|
||||
# Variables/Volatiles (LITERAL2)
|
||||
#######################################
|
||||
DATA LITERAL2
|
||||
DATALEN LITERAL2
|
||||
SENDERID LITERAL2
|
||||
TARGETID LITERAL2
|
||||
PAYLOADLEN LITERAL2
|
||||
ACK_REQUESTED LITERAL2
|
||||
ACK_RECEIVED LITERAL2
|
||||
RSSI LITERAL2
|
|
@ -7,7 +7,7 @@ upload_protocol = stk500v2
|
|||
upload_flags =
|
||||
-P/dev/ttyACM0
|
||||
-b$UPLOAD_SPEED
|
||||
-B1000
|
||||
-B10
|
||||
upload_speed = 19200
|
||||
monitor_speed = 9600
|
||||
board_build.f_cpu = 1000000L
|
||||
|
|
|
@ -31,40 +31,38 @@
|
|||
#include <Arduino.h>
|
||||
#include <avr/sleep.h>
|
||||
#include <avr/wdt.h>
|
||||
#include "tinySPI.h"
|
||||
#include "LoRaWAN.h"
|
||||
#include <tinySPI.h>
|
||||
|
||||
|
||||
// secconfig.h Configures TTN Keys and used Sensor
|
||||
// secconfig.h Configures RF Module, TTN Keys / RF Networks and used Sensor
|
||||
#include "secconfig.h"
|
||||
|
||||
#ifdef HAS_BME280
|
||||
#include <BME280.h>
|
||||
#ifdef RF_LORA
|
||||
// Include LoRaWAN
|
||||
#include <LoRaWAN.h>
|
||||
#define DIO0 PIN_B0
|
||||
#define NSS PIN_B1
|
||||
RFM95 rfm(DIO0,NSS);
|
||||
LoRaWAN lora = LoRaWAN(rfm);
|
||||
uint16_t Frame_Counter_Tx = 0x0000;
|
||||
#endif
|
||||
|
||||
#ifdef HAS_SHT21
|
||||
#include <SHT21.h>
|
||||
#ifdef RF_RFM69
|
||||
// Include RFM69
|
||||
#include <RFM69_f.h>
|
||||
RFM69 radio;
|
||||
#endif
|
||||
|
||||
// Initialize RFM95W and LoraWAN
|
||||
#define DIO0 PIN_B0
|
||||
#define NSS PIN_B1
|
||||
RFM95 rfm(DIO0,NSS);
|
||||
LoRaWAN lora = LoRaWAN(rfm);
|
||||
uint16_t Frame_Counter_Tx = 0x0000;
|
||||
|
||||
// If set LED will blink when sending
|
||||
#define LED_PIN PIN_A7
|
||||
|
||||
// Sensorclass and deepsleep interval (for measurement about every 10Min)
|
||||
#ifdef HAS_BME280
|
||||
BME280 sensor;
|
||||
#define SLEEP_TIME 528
|
||||
#include <BME280.h>
|
||||
BME280 sensor;
|
||||
#define SLEEP_TIME 528
|
||||
#endif
|
||||
|
||||
#ifdef HAS_SHT21
|
||||
SHT21 sensor;
|
||||
#define SLEEP_TIME 544
|
||||
#include <SHT21.h>
|
||||
SHT21 sensor;
|
||||
#define SLEEP_TIME 544
|
||||
#endif
|
||||
|
||||
// Global Variable used for deep sleep
|
||||
|
@ -127,13 +125,24 @@ void setup()
|
|||
init_wdt();
|
||||
PRR = bit(PRTIM1);
|
||||
|
||||
// Setup LoraWAN
|
||||
rfm.init();
|
||||
lora.setKeys(NwkSkey, AppSkey, DevAddr);
|
||||
#ifdef RF_LORA
|
||||
// Setup LoraWAN
|
||||
rfm.init();
|
||||
lora.setKeys(NwkSkey, AppSkey, DevAddr);
|
||||
#endif
|
||||
|
||||
#ifdef RF_RFM69
|
||||
radio.initialize(RF69_433MHZ,RFM69_NODEID,RFM69_NETWORKID);
|
||||
#ifdef RFM69_ENCKEY
|
||||
radio.encrypt(RFM69_ENCKEY);
|
||||
#endif
|
||||
radio.setPowerLevel(RFM69_TXPOWER);
|
||||
radio.sleep();
|
||||
#endif
|
||||
|
||||
// Setup LED if defined
|
||||
#ifdef LED_PIN
|
||||
pinMode(LED_PIN, OUTPUT);
|
||||
pinMode(LED_PIN, OUTPUT);
|
||||
#endif
|
||||
delay(50);
|
||||
}
|
||||
|
@ -146,28 +155,36 @@ void loop()
|
|||
|
||||
// Get Sensor Data
|
||||
#ifdef HAS_BME280
|
||||
sensor.getData(&data[0], &data[1], &data[2]);
|
||||
sensor.getData(&data[0], &data[1], &data[2]);
|
||||
#endif
|
||||
|
||||
#ifdef HAS_SHT21
|
||||
data[0] = (int32_t)(sensor.getTemperature()*100);
|
||||
data[1] = 0;
|
||||
data[2] = (int32_t)(sensor.getHumidity()*100);
|
||||
data[0] = (int32_t)(sensor.getTemperature()*100);
|
||||
data[1] = 0;
|
||||
data[2] = (int32_t)(sensor.getHumidity()*100);
|
||||
#endif
|
||||
|
||||
data[3] = readVcc();
|
||||
|
||||
// LED On before Sending
|
||||
#ifdef LED_PIN
|
||||
digitalWrite(LED_PIN, 1);
|
||||
digitalWrite(LED_PIN, 1);
|
||||
#endif
|
||||
|
||||
// Send LoRa Packet, Increment Frame Counter
|
||||
lora.Send_Data((unsigned char *)data, sizeof(data), Frame_Counter_Tx);
|
||||
Frame_Counter_Tx++;
|
||||
#ifdef RF_LORA
|
||||
// Send LoRa Packet, Increment Frame Counter
|
||||
lora.Send_Data((unsigned char *)data, sizeof(data), Frame_Counter_Tx);
|
||||
Frame_Counter_Tx++;
|
||||
#endif
|
||||
|
||||
#ifdef RF_RFM69
|
||||
radio.sendWithRetry(RFM69_GATEWAY, data, sizeof(data), 3);
|
||||
radio.sleep();
|
||||
#endif
|
||||
|
||||
// Led Off after Sending
|
||||
#ifdef LED_PIN
|
||||
digitalWrite(LED_PIN, 0);
|
||||
digitalWrite(LED_PIN, 0);
|
||||
#endif
|
||||
|
||||
// Sleep until next Measurement
|
||||
|
|
Loading…
Reference in a new issue