SX1272/76 radio drivers plus Ping-Pong firmware and LoRaWAN node firmware implementation.

 / _____)             _              | |
( (____  _____ ____ _| |_ _____  ____| |__  
 \____ \| ___ |    (_   _) ___ |/ ___)  _ \
 _____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
    (C)2013 Semtech

SX1272/76 radio drivers plus Ping-Pong firmware and LoRaWAN node firmware implementation.

Introduction

The aim of this project is to show examples of the LoRaWAN specification endpoint firmware implementation.

REMARK 1: The Semtech implementation is a EU868/US915 band Class A and Class C endpoint implementation fully compatible with LoRaWAN 1.0 specification.

REMARK 2: Version 4.0 will be the first version release maintained by STACKFORCE and Semtech. This new version will include big changes on the LoRaMac API. The API preview documentation can be found inside the doc directory of this repository as a zip file.

Please note that a current API to new API wrapper will be available. Thus, applications built using current API should work without modifications

REMARK 3: The Class C Multicast messages handling is not yet tested.

Note:

The IBM 'LoRaWAN in C' implementation supports the Class A profile and partial Class B support (beacon synchronization).

A port of the IBM 'LoRaWAN in C' can be found on MBED Semtech Team page project LoRaWAN-lmic-app

System schematic and definitions

The available supported hardware platforms schematics and LoRaMac specification can be found in the Doc directory.

Acknowledgements

The mbed (https://mbed.org/) project was used at the beginning as source of inspiration.

This program uses the AES algorithm implementation (http://www.gladman.me.uk/) by Brian Gladman.

This program uses the CMAC algorithm implementation (http://www.cse.chalmers.se/research/group/dcs/masters/contikisec/) by Lander Casado, Philippas Tsigas.

Dependencies

This program depends on specific hardware platforms. Currently the supported platforms are:

- Bleeper-72
    MCU     : STM32L151RD - 384K FLASH, 48K RAM, Timers, SPI, I2C,
                            USART,
                            USB 2.0 full-speed device/host/OTG controller,
                            DAC, ADC, DMA
    RADIO   : SX1272
    ANTENNA : Connector for external antenna
    BUTTONS : 1 Reset, 16 position encoder
    LEDS    : 3
    SENSORS : Temperature
    GPS     : Possible through pin header GPS module connection
    SDCARD  : Yes
    EXTENSION HEADER : Yes, 12 pins
    REMARK  : None.

- Bleeper-76
    MCU     : STM32L151RD - 384K FLASH, 48K RAM, Timers, SPI, I2C,
                            USART,
                            USB 2.0 full-speed device/host/OTG controller,
                            DAC, ADC, DMA
    RADIO   : SX1276
    ANTENNA : Connector for external antennas (LF+HF)
    BUTTONS : 1 Reset, 16 position encoder
    LEDS    : 3
    SENSORS : Temperature
    GPS     : Possible through pin header GPS module connection
    SDCARD  : No
    EXTENSION HEADER : Yes, 12 pins
    REMARK  : None.

- LoRaMote
    MCU     : STM32L151CB - 128K FLASH, 10K RAM, Timers, SPI, I2C,
                            USART,
                            USB 2.0 full-speed device/host/OTG controller,
                            DAC, ADC, DMA
    RADIO   : SX1272
    ANTENNA : Printed circuit antenna
    BUTTONS : No
    LEDS    : 3
    SENSORS : Proximity, Magnetic, 3 axis Accelerometer, Pressure,
              Temperature
    GPS     : Yes, UP501 module
    SDCARD  : No
    EXTENSION HEADER : Yes, 20 pins
    REMARK  : The MCU and Radio are on an IMST iM880A module

- SensorNode
    MCU     : STM32L151C8 - 64K FLASH, 10K RAM, Timers, SPI, I2C,
                            USART,
                            USB 2.0 full-speed device/host/OTG controller,
                            DAC, ADC, DMA
    RADIO   : SX1276
    ANTENNA : Printed circuit antenna
    BUTTONS : Power ON/OFF, General purpose button
    LEDS    : 3
    SENSORS : Proximity, Magnetic, 3 axis Accelerometer, Pressure,
              Temperature
    GPS     : Yes, SIM39EA module
    SDCARD  : No
    EXTENSION No
    REMARK  : The MCU and Radio are on an NYMTEK Cherry-LCC module

- SK-iM880A ( IMST starter kit )
    MCU     : STM32L151CB - 128K FLASH, 10K RAM, Timers, SPI, I2C,
                            USART,
                            USB 2.0 full-speed device/host/OTG controller,
                            DAC, ADC, DMA
    RADIO   : SX1272
    ANTENNA : Connector for external antenna
    BUTTONS : 1 Reset, 3 buttons + 2 DIP-Switch
    LEDS    : 3
    SENSORS : Potentiometer
    GPS     : Possible through pin header GPS module connection
    SDCARD  : No
    EXTENSION HEADER : Yes, all IMST iM880A module pins
    REMARK  : None

Usage

Projects for CooCox-CoIDE (partial), Ride7 and Keil Integrated Development Environments are available.

One project is available per application and for each hardware platform in each development environment. Different targets/configurations have been created in the different projects in order to select different options such as the usage or not of a bootloader and the radio frequency band to be used.

Changelog

2015-10-30, V3.4

General
1. Changed all applications in order to have preprocessing definitions on top of the files and added relevant comments
2. Applications LED control is no more done into the timer callback functions but instead on the main while loop.
3. Added TimerStop function calls to each timer event callback.
4. Corrected timings comments. Timing values are most of the time us based.
5. Changed types names for stdint.h names. Helps on code portability
6. Renamed rand and srand to rand1 and srand1. Helps on code portability
7. Added some missing variables casts. Helps on code portability
8. Removed NULL definition from board.h
9. Added const variable attribute when necessary to functions prototypes
10. Moved ID1, ID2 and ID3 definition from board.h to board.c, usb-cdc-board.c and usb-dfu-board.c
11. Removed the definition of RAND_SEED. It has been replaced by a function named BoardGetRandomSeed
12. Renamed BoardMeasureBatterieLevel to BoardGetBatteryLevel
13. Added SetMaxPayloadLength API function to SX1272 and SX1276 radio drivers
14. Changed the name of Radio API Status function to GetStatus
15. AES/CMAC Changed types names for stdint.h names. Helps on code portability (Issue #20)
16. Moved __ffs function from utilities.h to spi-board.c. This function is only used there.
17. Utilities.c removed fputc function redefinition.
18. Replaced the usage of __IO attribute by volatile.
LoRaWAN
1. Added support for the US915 band (Normal mode and hybrid mode. Hybrid mode is a temporary configuration up until servers support it automatically) (Issue #16)
2. Corrected and simplified the downlink sequence counter management.
3. Removed the usage of PACKED attribute for data structures.
4. Renamed LoRaMacEvent_t into LoRaMacCallbacks_t and added a function pointer for getting battery level status
5. Renamed LoRaMacSetDutyCycleOn into LoRaMacSetTestDutyCycleOn
6. Renamed LoRaMacSetMicTest into LoRaMacTestSetMic
7. Increased the PHY buffer size to 250
8. Removed IsChannelFree check on LoRaMacSetNextChannel function. LoRaWAN is an ALHOA protocol. (Pull request #8)
9. LoRaMacEventInfo.TxDatarate now returns LoRaWAN datarate (DR0 -> DR7) instead of (SF12 -> DF7)
10. Corrected channel mask management for EU868 band.
11. Corrected LoRaMacPrepareFrame behavior function when no applicative payload is present.
12. LoRaMac-board.h now implements the settings for the PHY layers specified by LoRaWAN 1.0 specification. ( EU433, CN780, EU868, US915 ) (Issue #19)
13. Added LORAMAC_MIN_RX1_DR_OFFSET and LORAMAC_MAX_RX1_DR_OFFSET definitions to LoRaMac-board.h. Can be different upon used PHY layer
14. Added the limitation of output power according to the number of enabled channels for US915 band.
15. Added the limitation of the applicative payload length according to the datarate. Does not yet take in account the MAC commands buffer. (Issue #15)
16. Corrected MacCommandBufferIndex management. (Issue #18)

2015-08-07, v3.3

General
1. Added the support for LoRaWAN Class C devices.
2. Implemented the radios errata note workarounds. SX1276 errata 2.3 "Receiver Spurious Reception of a LoRa Signal" is not yet implemented.
3. Increased FSK SyncWord timeout value in order to listen for longer time if a down link is available or not. Makes FSK downlink more reliable.
4. Increased the UART USB FIFO buffer size in order to handle bigger chunks of data.
LoRaWAN
1. Renamed data rates as per LoRaWAN specification.
2. Added the support for LoRaWAN Class C devices.
3. Handling of the MAC commands was done incorrectly the condition to verify the length of the buffer has changed from < to <=.
4. Added the possibility to change the channel mask and number of repetitions trough SRV_MAC_LINK_ADR_REQ command when ADR is disabled.
5. Corrected Rx1DrOffset management. In previous version DR1 was missing for all offsets.
6. Changed confirmed messages function to use default datarate when ADR control is off.
7. After a Join accept the node falls back to the default datarate. Enables the user to Join a network using a different datarate from its own default one.
8. Corrected default FSK channel frequency.
9. Solved a firmware freezing when one of the following situations arrived in OnRxDone callback: bad address, bad MIC, bad frame. (Pull request #10)
10. Moved the MAC commands processing to the right places. FOpts field before the Payload and Port 0 just after the decryption. (Pull request #9)
11. Weird conditions to check datarate on cmd mac SRV_MAC_NEW_CHANNEL_REQ (Pull request #7)
12. Ignore join accept message if already joined (Pull request #6)
13. Channel index verification should use OR on SRV_MAC_NEW_CHANNEL_REQ command (Pull request #5)
14. Corrected the CFList management on JoinAccept. The for loop indexes were wrong. (Pull request #4)
15. Correction of AES key size (Pull request #3)

2015-04-30, v3.2

General
1. Updated LoRaMac implementation according to LoRaWAN R1.0 specification
2. General cosmetics corrections
3. Added the support of packed structures when using IAR tool chain
4. Timers: Added a function to get the time in us.
5. Timers: Added a typedef for time variables (TimerTime_t)
6. Radios: Changed the TimeOnAir radio function to return a uint32_t value instead of a double. The value is in us.
7. Radios: Corrected the 250 kHz bandwidth choice for the FSK modem
8. GPS: Added a function that returns if the GPS has a fix or not.
9. GPS: Changed the GetPosition functions to return a latitude and longitude of 0 and altitude of 65535 when no GPS fix.
LoRaWAN
1. Removed support for previous LoRaMac/LoRaWAN specifications
2. Added missing MAC commands and updated others when necessary
  - Corrected the Port 0 MAC commands decryption
  - Changed the way the upper layer is notified. Now it is only notified when all the operations are finished.
    
    When a ClassA Tx cycle starts a timer is launched to check every second if everything is finished.
  - Added a new parameter to LoRaMacEventFlags structure that indicates on which Rx window the data has been received.
  - Added a new parameter to LoRaMacEventFlags structure that indicates if there is applicative data on the received payload.
  - Corrected ADR MAC command behaviour
  - DutyCycle enforcement implementation (EU868 PHY only)
    
    REMARK 1 The regulatory duty cycle enforcement is enabled by default which means that for lower data rates the node may not transmit a new frame as quickly as requested. The formula used to compute the node idle time is
    
    Toff = TimeOnAir / DutyCycle - TxTimeOnAir
    
    Eaxample: A device just transmitted a 0.5 s long frame on one default channel. This channel is in a sub-band allowing 1% duty-cycle. Therefore this whole sub-band (868 MHz - 868.6 MHz) will be unavailable for 49.5 s.
    
    REMARK 2 The duty cycle enforcement can be disabled for test purposes by calling the LoRaMacSetDutyCycleOn function with false parameter.
  - Implemented aggregated duty cycle management
  - Added a function to create new channels
  - Implemented the missing features on the JoinAccept MAC command
  - Updated LoRaMacJoinDecrypt function to handle the CFList field.
3. Due to duty cycle management the applicative API has changed. All applications must be updated accordingly.
4. Added the possibility to chose to use either public or private networks

2015-01-30, v3.1

General
1. Started to add support for CooCox CoIDE Integrated Development Environment. Currently only LoRaMote and SensorNode platform projects are available.
2. Updated GCC compiler linker scripts.
3. Added the support of different tool chains for the HardFault_Handler function.
4. Corrected Radio drivers I&Q signals inversion to be possible in Rx and in Tx. Added some missing radio state machine initialization.
5. Changed the RSSI values type from int8_t to int16_t. We can have RSSI values below -128 dBm.
6. Corrected SNR computation on RxDone interrupt.
7. Updated radio API to support FHSS and CAD handling.
8. Corrected in SetRxConfig function the FSK modem preamble register name.
9. Added an invalid bandwidth to the Bandwidths table in order to avoid an error when selecting 250 kHz bandwidth when using FSK modem.
10. Corrected RTC alarm setup which could be set to an invalid date.
11. Added another timer in order increment the tick counter without blocking the normal timer count.
12. Added the possibility to switch between low power timers and normal timers on the fly.
13. I2C driver corrected the 2 bytes internal address management. Corrected buffer read function when more that 1 byte was to be read. Added a function to wait for the I2C bus to become IDLE.
14. Added an I2C EEPROM driver.
15. Corrected and improved USB Virtual COM Port management files. Corrected the USB CDC and USB UART drivers.
16. Added the possibility to analyze a hard fault interrupt.
LoRaMac
1. Corrected RxWindow2 Datarate management.
2. SrvAckRequested variable was never reset.
3. Corrected tstIndoor applications for LoRaMac R3.0 support.
4. LoRaMac added the possibility to configure almost all the MAC parameters.
5. Corrected the LoRaMacSetNextChannel function.
6. Corrected the port 0 MAC command decoding.
7. Changed all structures declarations to be packed.
8. Corrected the Acknowledgement retries management when only 1 trial is needed. Before the device was issuing at least 2 trials.
9. Corrected server mac new channel req answer.
10. Added the functions to read the Up and Down Link sequence counters.
11. Corrected SRV_MAC_RX2_SETUP_REQ frequency handling. Added a 100 multiplication.
12. Corrected SRV_MAC_NEW_CHANNEL_REQ. Removed the DutyCycle parameter decoding.
13. Automatically activate the channel once it is created.
14. Corrected NbRepTimeoutTimer initial value. RxWindow2Delay already contains RxWindow1Delay in it.

2014-07-18, v3.0

General
1. Added to Radio API the possibility to select the modem.
2. Corrected RSSI reading formulas as well as changed the RSSI and SNR values from double to int8_t type.
3. Changed radio callbacks events to timeout when it is a timeout event and error when it is a CRC error.
4. Radio API updated.
5. Updated ping-pong applications.
6. Updated tx-cw applications.
7. Updated LoRaMac applications in order to handle LoRaMac returned functions calls status.
8. Updated LoRaMac applications to toggle LED2 each time there is an application payload down link.
9. Updated tstIndoor application to handle correctly more than 6 channels.
10. Changed the MPL3115 altitude variable from unsigned to signed value.
11. Replaced the usage of pow(2, n) by defining POW2 functions. Saves ~2 KBytes of code.
12. Corrected an issue potentially arriving when LOW_POWER_MODE_ENABLE wasn't defined. A timer interrupt could be generated while the TimerList could already be emptied.
LoRaMac
1. Implemented LoRaMac specification R3.0 changes.
2. MAC commands implemented
  - LinkCheckReq YES
  - LinkCheckAns YES
  - LinkADRReq YES
  - LinkADRAns YES
  - DutyCycleReq YES
  - DutyCycleAns YES
  - Rx2SetupReq YES
  - Rx2SetupAns YES
  - DevStatusReq YES
  - DevStatusAns YES
  - JoinReq YES
  - JoinAccept YES
  - NewChannelReq YES
  - NewChannelAns YES
3. Features implemented
  - Possibility to shut-down the device YES
    
    Possible by issuing DutyCycleReq MAC command.
  - Duty cycle management enforcement NO
  - Acknowledgements retries YES
  - Unconfirmed messages retries YES

2014-07-10, v2.3.RC2

General
1. Corrected all radios antenna switch low power mode handling.
2. SX1276: Corrected antenna switch control.

2014-06-06, v2.3.RC1

General
1. Added the support for SX1276 radio.
2. Radio continuous reception mode correction.
3. Radio driver RxDone callback function API has changed ( size parameter is no more a pointer). Previous function prototype:
```
 void    ( *RxDone )( uint8_t *payload, uint16_t *size, double rssi, double snr, uint8_t rawSnr );
```
  New function prototype:
```
 void    ( *RxDone )( uint8_t *payload, uint16_t size, double rssi, double snr, uint8_t rawSnr );
```
4. Added Bleeper-76 and SensorNode platforms support.
5. Added to the radio drivers a function that generates a random value from RSSI readings.
6. Added a project to transmit a continuous wave and a project to measure the the radio sensitivity.
7. Added a bootloader project for the LoRaMote and SensorNode platforms.
8. The LoRaMac application for Bleeper platforms now sends the Selector and LED status plus the sensors values.
  - The application payload for the Bleeper platforms is as follows:
    
    LoRaMac port 1:
```
   { 0xX0/0xX1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
    ----------  ----------  ----------  ----------  ----
         |           |           |           |        |
   SELECTOR/LED  PRESSURE   TEMPERATURE  ALTITUDE  BATTERY
   MSB nibble = SELECTOR               (barometric)
   LSB bit    = LED
```
9. Redefined rand() and srand() standard C functions. These functions are redefined in order to get the same behaviour across different compiler tool chains implementations.
10. GPS driver improvements. Made independent of the board platform.
11. Simplified the RTC management.
12. Added a function to the timer driver that checks if a timer is already in the list or not.
13. Added the UART Overrun bit exception handling to the UART driver.
14. Removed dependency of spi-board files to the "__builtin_ffs" function. This function is only available on GNU compiler tool suite. Removed --gnu compiler option from Keil projects. Added own __ffs function implementation to utilities.h file.
15. Removed obsolete class1 devices support.
16. Known bugs correction.
LoRaMac
1. MAC commands implemented
  - LinkCheckReq YES
  - LinkCheckAns YES
  - LinkADRReq YES
  - LinkADRAns YES
  - DutyCycleReq YES (LoRaMac specification R2.2.1)
  - DutyCycleAns YES (LoRaMac specification R2.2.1)
  - Rx2SetupReq YES (LoRaMac specification R2.2.1)
  - Rx2SetupAns YES (LoRaMac specification R2.2.1)
  - DevStatusReq YES
  - DevStatusAns YES
  - JoinReq YES
  - JoinAccept YES (LoRaMac specification R2.2.1)
  - NewChannelReq YES (LoRaMac specification R2.2.1)
  - NewChannelAns YES (LoRaMac specification R2.2.1)
2. Features implemented
  - Possibility to shut-down the device YES
    
    Possible by issuing DutyCycleReq MAC command.
  - Duty cycle management enforcement NO
  - Acknowledgements retries WORK IN PROGRESS
    
    Not fully debugged. Disabled by default.
  - Unconfirmed messages retries WORK IN PROGRESS (LoRaMac specification R2.2.1)
3. Implemented LoRaMac specification R2.2.1 changes.
4. Due to new specification the LoRaMacInitNwkIds LoRaMac API function had to be modified.
  
  Previous function prototype:
```
 void LoRaMacInitNwkIds( uint32_t devAddr, uint8_t *nwkSKey, uint8_t *appSKey );
```
  New function prototype:
```
 void LoRaMacInitNwkIds( uint32_t netID, uint32_t devAddr, uint8_t *nwkSKey, uint8_t *appSKey );
```
5. Changed the LoRaMac channels management.
6. LoRaMac channels definition has been moved to LoRaMac-board.h file located in each specific board directory.

2014-04-07, v2.2

General
1. Added IMST SK-iM880A starter kit board support to the project.
  - The application payload for the SK-iM880A platform is as follows:
  LoRaMac port 3:
```
  { 0x00/0x01, 0x00, 0x00, 0x00 }
   ----------  ----- ----------
        |        |       |
       LED     POTI     VDD
```
2. Ping-Pong applications have been split per supported board.
3. Corrected the SX1272 output power management. Added a variable to store the current Radio channel. Added missing FSK bit definition.
4. Made fifo functions coding style coherent with the project.
5. UART driver is now independent of the used MCU

2014-03-28, v2.1

General
1. The timers and RTC management has been rewritten.
2. Improved the UART and UP501 GPS drivers.
3. Corrected GPIO pin names management.
4. Corrected the antenna switch management in the SX1272 driver.
5. Added to the radio driver the possibility to choose the preamble length and rxSingle symbol timeout in reception.
6. Added Hex coder selector driver for the Bleeper board.
7. Changed copyright Unicode character to (C) in all source files.
LoRaMac
1. MAC commands implemented
  - LinkCheckReq YES
  - LinkCheckAns YES
  - LinkADRReq YES
  - LinkADRAns YES
  - DevStatusReq YES
  - DevStatusAns YES
  - JoinReq YES
  - JoinAccept YES
2. Added acknowledgements retries management. Split the LoRaMacSendOnChannel function in LoRaMacPrepareFrame and LoRaMacSendFrameOnChannel. LoRaMacSendOnChannel now calls the 2 newly defined functions.
```
**WARNING**: By default the acknowledgement retries specific code isn't
enabled. The current http://iot.semtech.com server version doesn't support
it.
```
1. Corrected issues on JoinRequest and JoinAccept MAC commands. Added LORAMAC_EVENT_INFO_STATUS_MAC_ERROR event info status.

2014-02-21, v2.0

General

The LoRaMac applications now sends the LED status plus the sensors values. For the LoRaMote platform the application also sends the GPS coordinates.

The application payload for the Bleeper platform is as follows:

LoRaMac port 1:

   { 0x00/0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
    ----------  ----------  ----------  ----------  ----
         |           |           |           |        |
        LED      PRESSURE   TEMPERATURE  ALTITUDE  BATTERY
                                       (barometric)

The application payload for the LoRaMote platform is as follows:

LoRaMac port 2:

   { 0x00/0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
    ----------  ----------  ----------  ----------  ----  ----------------  ----------------  ----------
         |           |           |           |        |           |                 |              |
        LED      PRESSURE   TEMPERATURE  ALTITUDE  BATTERY    LATITUDE          LONGITUDE      ALTITUDE
                                       (barometric)                                              (gps)

Adapted applications to the new MAC layer API.
Added sensors drivers implementation.
Corrected new or known issues.

LoRaMac
1. MAC commands implemented
  - LinkCheckReq YES
  - LinkCheckAns YES
  - LinkADRReq YES
  - LinkADRAns YES
  - DevStatusReq YES
  - DevStatusAns YES
  - JoinReq YES (Not tested)
  - JoinAccept YES (Not tested)
2. New MAC layer application API implementation.
Timers and RTC.
1. Still some issues. They will be corrected on next revisions of the firmware.

2014-01-24, v1.1

LoRaMac
1. MAC commands implemented
  - LinkCheckReq NO
  - LinkCheckAns NO
  - LinkADRReq YES
  - LinkADRAns YES
  - DevStatusReq YES
  - DevStatusAns YES
2. Implemented an application LED control If the server sends on port 1 an application payload of one byte with the following contents:
```
 0: LED off
 1: LED on
```
  The node transmits periodically on port 1 the LED status on 1st byte and the message "Hello World!!!!" the array looks like:
```
 { 0, 'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd', '!', '!', '!', '!' }
```
Timers and RTC.
1. Corrected issues existing in the previous version
2. Known bugs are:
  - There is an issue when launching an asynchronous Timer. Will be solved in a future version

2014-01-20, v1.1.RC1

Added Doc directory. The directory contains:
1. LoRa MAC specification
2. Bleeper board schematic
LoRaMac has been updated according to Release1 of the specification. Main changes are:
1. MAC API changed.
2. Frame format.
3. ClassA first ADR implementation.
4. MAC commands implemented
  - LinkCheckReq NO
  - LinkCheckAns NO
  - LinkADRReq YES
  - LinkADRAns NO
  - DevStatusReq NO
  - DevStatusAns NO
Timers and RTC rewriting. Known bugs are:
1. The Radio wakeup time is taken in account for all timings.
2. When opening the second reception window the microcontroller sometimes doesn't enter in low power mode.

2013-11-28, v1.0

Initial version of the LoRa MAC node firmware implementation.

Name		Name	Last commit message	Last commit date
Latest commit History 126 Commits
Doc		Doc
KDS		KDS
Keil		Keil
Ride		Ride
coIDE		coIDE
src		src
.cproject		.cproject
.gitattributes		.gitattributes
.gitignore		.gitignore
.project		.project
LICENSE.txt		LICENSE.txt
readme.md		readme.md

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