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waveofhoney-mbed5
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Anthony Hinsinger 8 years ago
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  1. 4
      .gitignore
  2. 1
      Cayenne-LPP.lib
  3. 26
      README.md
  4. 83
      lora_radio_helper.h
  5. 195
      main.cpp
  6. 1
      mbed-os.lib
  7. 1
      mbed-semtech-lora-rf-drivers.lib
  8. 258
      mbed_app.json
  9. 2695
      mbedtls_lora_config.h
  10. 1
      sensors/DHT.lib

4
.gitignore vendored
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*.pyc
BUILD
mbed_settings.py
mbed_config.h

1
Cayenne-LPP.lib
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https://os.mbed.com/teams/myDevicesIoT/code/Cayenne-LPP/#5a9d65b33e85

26
README.md
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# RAK811 Tracker Board mbed test
## Compilation
Clone this repository, then :
```
mbed deploy
# modify lora.device-eui, lora.application-eui and lora.application-key in mbed_app.json
mbed compile --profile mbed-os/tools/profiles/release.json
```
Then you can use stm32flash or may be better a stlink interface to copy the generated .bin file onto the RAK811.
## Notes
### use STLink from a Nucleo board
From STlink CN4 Connector to RAK811 "shortest" connector (pin 1 at the same side of antenna connectors)
```
2 -> 3 (CLK)
3 -> 1 (GND)
4 -> 4 (DATA)
5 -> 2 (RST)
```

83
lora_radio_helper.h
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/**
* Copyright (c) 2017, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "lorawan/LoRaRadio.h"
#ifndef APP_LORA_RADIO_HELPER_H_
#define APP_LORA_RADIO_HELPER_H_
#if MBED_CONF_APP_LORAWAN_ENABLED
#ifdef DEVICE_SPI
#include "SX1272_LoRaRadio.h"
#include "SX1276_LoRaRadio.h"
#define SX1272 0xFF
#define SX1276 0xEE
#if (MBED_CONF_APP_LORA_RADIO == SX1272)
SX1272_LoRaRadio radio(MBED_CONF_APP_LORA_SPI_MOSI,
MBED_CONF_APP_LORA_SPI_MISO,
MBED_CONF_APP_LORA_SPI_SCLK,
MBED_CONF_APP_LORA_CS,
MBED_CONF_APP_LORA_RESET,
MBED_CONF_APP_LORA_DIO0,
MBED_CONF_APP_LORA_DIO1,
MBED_CONF_APP_LORA_DIO2,
MBED_CONF_APP_LORA_DIO3,
MBED_CONF_APP_LORA_DIO4,
MBED_CONF_APP_LORA_DIO5,
MBED_CONF_APP_LORA_RF_SWITCH_CTL1,
MBED_CONF_APP_LORA_RF_SWITCH_CTL2,
MBED_CONF_APP_LORA_TXCTL,
MBED_CONF_APP_LORA_RXCTL,
MBED_CONF_APP_LORA_ANT_SWITCH,
MBED_CONF_APP_LORA_PWR_AMP_CTL,
MBED_CONF_APP_LORA_TCXO);
#elif (MBED_CONF_APP_LORA_RADIO == SX1276)
SX1276_LoRaRadio radio(MBED_CONF_APP_LORA_SPI_MOSI,
MBED_CONF_APP_LORA_SPI_MISO,
MBED_CONF_APP_LORA_SPI_SCLK,
MBED_CONF_APP_LORA_CS,
MBED_CONF_APP_LORA_RESET,
MBED_CONF_APP_LORA_DIO0,
MBED_CONF_APP_LORA_DIO1,
MBED_CONF_APP_LORA_DIO2,
MBED_CONF_APP_LORA_DIO3,
MBED_CONF_APP_LORA_DIO4,
MBED_CONF_APP_LORA_DIO5,
MBED_CONF_APP_LORA_RF_SWITCH_CTL1,
MBED_CONF_APP_LORA_RF_SWITCH_CTL2,
MBED_CONF_APP_LORA_TXCTL,
MBED_CONF_APP_LORA_RXCTL,
MBED_CONF_APP_LORA_ANT_SWITCH,
MBED_CONF_APP_LORA_PWR_AMP_CTL,
MBED_CONF_APP_LORA_TCXO);
#else
#error "Unknown LoRa radio specified (SX1272,SX1276 are valid)"
#endif
#endif //DEVICE_SPI
#endif //MBED_CONF_APP_LORAWAN_ENABLED
#endif /* APP_LORA_RADIO_HELPER_H_ */

195
main.cpp
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#include "mbed.h"
#include "lorawan/LoRaWANInterface.h"
#include "lorawan/system/lorawan_data_structures.h"
#include "events/EventQueue.h"
#include "lora_radio_helper.h"
#include "CayenneLPP.h"
#include "DHT.h"
using namespace events;
uint8_t rx_buffer[LORAMAC_PHY_MAXPAYLOAD];
/*
* Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
*/
#define TX_TIMER 600000
/**
* Maximum number of events for the event queue.
* 16 is the safe number for the stack events, however, if application
* also uses the queue for whatever purposes, this number should be increased.c
*/
#define MAX_NUMBER_OF_EVENTS 16
/**
* Maximum number of retries for CONFIRMED messages before giving up
*/
#define CONFIRMED_MSG_RETRY_COUNTER 3
static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS * EVENTS_EVENT_SIZE);
static void lora_event_handler(lorawan_event_t event);
static LoRaWANInterface lorawan(radio);
static lorawan_app_callbacks_t callbacks;
static CayenneLPP cayenne(51);
DHT dht(PA_1, DHT::DHT22);
AnalogIn bat(PA_2);
DigitalOut led(LED1);
int main(void) {
lorawan_status_t retcode;
// Initialize LoRaWAN stack
if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
printf("\r\n LoRa initialization failed! \r\n");
return -1;
}
printf("\r\n Mbed LoRaWANStack initialized \r\n");
callbacks.events = mbed::callback(lora_event_handler);
lorawan.add_app_callbacks(&callbacks);
// Set number of retries in case of CONFIRMED messages
if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER)
!= LORAWAN_STATUS_OK) {
printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n");
return -1;
}
printf("\r\n CONFIRMED message retries : %d \r\n",
CONFIRMED_MSG_RETRY_COUNTER);
// Enable adaptive data rate
if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
printf("\r\n enable_adaptive_datarate failed! \r\n");
return -1;
}
printf("\r\n Adaptive data rate (ADR) - Enabled \r\n");
retcode = lorawan.connect();
if (retcode == LORAWAN_STATUS_OK ||
retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
} else {
printf("\r\n Connection error, code = %d \r\n", retcode);
return -1;
}
printf("\r\n Connection - In Progress ...\r\n");
// make your event queue dispatching events forever
ev_queue.dispatch_forever();
return 0;
}
/**
* Sends a message to the Network Server
*/
static void send_message()
{
int16_t retcode;
// vbat
float vbat = bat.read();
vbat = vbat*5/3*3.3f;
cayenne.addAnalogInput(1, vbat);
// dht
int err = dht.read();
if (err == DHT::SUCCESS) {
cayenne.addTemperature(1, dht.getTemperature());
cayenne.addRelativeHumidity(2, dht.getHumidity());
} else {
printf("Error code : %d\r\n", err);
}
retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, cayenne.getBuffer(), cayenne.getSize(),
MSG_UNCONFIRMED_FLAG);
if (retcode < 0) {
retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n")
: printf("\r\n send() - Error code %d \r\n", retcode);
return;
}
printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
cayenne.reset();
}
/**
* Receive a message from the Network Server
*/
static void receive_message()
{
int16_t retcode;
retcode = lorawan.receive(MBED_CONF_LORA_APP_PORT, rx_buffer,
LORAMAC_PHY_MAXPAYLOAD,
MSG_CONFIRMED_FLAG|MSG_UNCONFIRMED_FLAG);
if (retcode < 0) {
printf("\r\n receive() - Error code %d \r\n", retcode);
return;
}
printf(" Data:");
for (uint8_t i = 0; i < retcode; i++) {
printf("%x", rx_buffer[i]);
}
printf("\r\n Data Length: %d\r\n", retcode);
memset(rx_buffer, 0, LORAMAC_PHY_MAXPAYLOAD);
}
static void lora_event_handler(lorawan_event_t event)
{
switch (event) {
case CONNECTED:
printf("\r\n Connection - Successful \r\n");
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
send_message();
} else {
ev_queue.call_every(TX_TIMER, send_message);
}
break;
case DISCONNECTED:
ev_queue.break_dispatch();
printf("\r\n Disconnected Successfully \r\n");
break;
case TX_DONE:
printf("\r\n Message Sent to Network Server \r\n");
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
send_message();
}
break;
case TX_TIMEOUT:
case TX_ERROR:
case TX_CRYPTO_ERROR:
case TX_SCHEDULING_ERROR:
printf("\r\n Transmission Error - EventCode = %d \r\n", event);
// try again
if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
send_message();
}
break;
case RX_DONE:
printf("\r\n Received message from Network Server \r\n");
receive_message();
break;
case RX_TIMEOUT:
case RX_ERROR:
printf("\r\n Error in reception - Code = %d \r\n", event);
break;
case JOIN_FAILURE:
printf("\r\n OTAA Failed - Check Keys \r\n");
break;
default:
MBED_ASSERT("Unknown Event");
}
}

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mbed-os.lib
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https://github.com/ARMmbed/mbed-os/#367dbdf5145f4d6aa3e483c147fe7bda1ce23a36

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mbed-semtech-lora-rf-drivers.lib
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https://github.com/ARMmbed/mbed-semtech-lora-rf-drivers/#c5ee52293fee29aea3479d20e92ca2c1fc1ddaff

258
mbed_app.json
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{
"config": {
"lora-radio": {
"help": "Which radio to use (options: SX1272,SX1276)",
"value": "SX1276"
},
"main_stack_size": { "value": 4096 },
"lorawan-enabled": { "value": false},
"lora-spi-mosi": { "value": "NC" },
"lora-spi-miso": { "value": "NC" },
"lora-spi-sclk": { "value": "NC" },
"lora-cs": { "value": "NC" },
"lora-reset": { "value": "NC" },
"lora-dio0": { "value": "NC" },
"lora-dio1": { "value": "NC" },
"lora-dio2": { "value": "NC" },
"lora-dio3": { "value": "NC" },
"lora-dio4": { "value": "NC" },
"lora-dio5": { "value": "NC" },
"lora-rf-switch-ctl1": { "value": "NC" },
"lora-rf-switch-ctl2": { "value": "NC" },
"lora-txctl": { "value": "NC" },
"lora-rxctl": { "value": "NC" },
"lora-ant-switch": { "value": "NC" },
"lora-pwr-amp-ctl": { "value": "NC" },
"lora-tcxo": { "value": "NC" }
},
"target_overrides": {
"*": {
"lora.app-port": 3,
"lora.over-the-air-activation": true,
"lora.duty-cycle-on": false,
"lora.phy": 0,
"lora.device-eui": "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }",
"lora.application-eui": "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }",
"lora.application-key": "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }"
},
"K64F": {
"lorawan-enabled": true,
"lora-spi-mosi": "D11",
"lora-spi-miso": "D12",
"lora-spi-sclk": "D13",
"lora-cs": "D10",
"lora-reset": "A0",
"lora-dio0": "D2",
"lora-dio1": "D3",
"lora-dio2": "D4",
"lora-dio3": "D5",
"lora-dio4": "D8",
"lora-dio5": "D9",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "NC",
"lora-rxctl": "NC",
"lora-ant-switch": "A4",
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "NC"
},
"DISCO_L072CZ_LRWAN1": {
"main_stack_size": 3072,
"lorawan-enabled": true,
"lora-radio": "SX1276",
"lora-spi-mosi": "PA_7",
"lora-spi-miso": "PA_6",
"lora-spi-sclk": "PB_3",
"lora-cs": "PA_15",
"lora-reset": "PC_0",
"lora-dio0": "PB_4",
"lora-dio1": "PB_1",
"lora-dio2": "PB_0",
"lora-dio3": "PC_13",
"lora-dio4": "NC",
"lora-dio5": "NC",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "PC_2",
"lora-rxctl": "PA_1",
"lora-ant-switch": "NC",
"lora-pwr-amp-ctl": "PC_1",
"lora-tcxo": "PA_12"
},
"MTB_MURATA_ABZ": {
"lorawan-enabled": true,
"lora-radio": "SX1276",
"lora-spi-mosi": "PA_7",
"lora-spi-miso": "PA_6",
"lora-spi-sclk": "PB_3",
"lora-cs": "PA_15",
"lora-reset": "PC_0",
"lora-dio0": "PB_4",
"lora-dio1": "PB_1",
"lora-dio2": "PB_0",
"lora-dio3": "PC_13",
"lora-dio4": "NC",
"lora-dio5": "NC",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "PC_2",
"lora-rxctl": "PA_1",
"lora-ant-switch": "NC",
"lora-pwr-amp-ctl": "PC_1",
"lora-tcxo": "PA_12"
},
"XDOT_L151CC": {
"lorawan-enabled": true,
"lora-radio": "SX1272",
"lora-spi-mosi": "LORA_MOSI",
"lora-spi-miso": "LORA_MISO",
"lora-spi-sclk": "LORA_SCK",
"lora-cs": "LORA_NSS",
"lora-reset": "LORA_RESET",
"lora-dio0": "LORA_DIO0",
"lora-dio1": "LORA_DIO1",
"lora-dio2": "LORA_DIO2",
"lora-dio3": "LORA_DIO3",
"lora-dio4": "LORA_DIO4",
"lora-dio5": "NC",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "NC",
"lora-rxctl": "NC",
"lora-ant-switch": "NC",
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "NC"
},
"MTB_MTS_XDOT": {
"lorawan-enabled": true,
"lora-radio": "SX1272",
"lora-spi-mosi": "LORA_MOSI",
"lora-spi-miso": "LORA_MISO",
"lora-spi-sclk": "LORA_SCK",
"lora-cs": "LORA_NSS",
"lora-reset": "LORA_RESET",
"lora-dio0": "LORA_DIO0",
"lora-dio1": "LORA_DIO1",
"lora-dio2": "LORA_DIO2",
"lora-dio3": "LORA_DIO3",
"lora-dio4": "LORA_DIO4",
"lora-dio5": "NC",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "NC",
"lora-rxctl": "NC",
"lora-ant-switch": "NC",
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "NC"
},
"LTEK_FF1705": {
"lorawan-enabled": true,
"lora-radio": "SX1272",
"lora-spi-mosi": "LORA_MOSI",
"lora-spi-miso": "LORA_MISO",
"lora-spi-sclk": "LORA_SCK",
"lora-cs": "LORA_NSS",
"lora-reset": "LORA_RESET",
"lora-dio0": "LORA_DIO0",
"lora-dio1": "LORA_DIO1",
"lora-dio2": "LORA_DIO2",
"lora-dio3": "LORA_DIO3",
"lora-dio4": "LORA_DIO4",
"lora-dio5": "NC",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "NC",
"lora-rxctl": "NC",
"lora-ant-switch": "NC",
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "NC"
},
"MTS_MDOT_F411RE": {
"lorawan-enabled": true,
"lora-radio": "SX1272",
"lora-spi-mosi": "LORA_MOSI",
"lora-spi-miso": "LORA_MISO",
"lora-spi-sclk": "LORA_SCK",
"lora-cs": "LORA_NSS",
"lora-reset": "LORA_RESET",
"lora-dio0": "LORA_DIO0",
"lora-dio1": "LORA_DIO1",
"lora-dio2": "LORA_DIO2",
"lora-dio3": "LORA_DIO3",
"lora-dio4": "LORA_DIO4",
"lora-dio5": "LORA_DIO5",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "LORA_TXCTL",
"lora-rxctl": "LORA_RXCTL",
"lora-ant-switch": "NC",
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "NC"
},
"MTB_ADV_WISE_1510": {
"lorawan-enabled": true,
"lora-radio": "SX1276",
"lora-spi-mosi": "SPI_RF_MOSI",
"lora-spi-miso": "SPI_RF_MISO",
"lora-spi-sclk": "SPI_RF_SCK",
"lora-cs": "SPI_RF_CS",
"lora-reset": "SPI_RF_RESET",
"lora-dio0": "DIO0",
"lora-dio1": "DIO1",
"lora-dio2": "DIO2",
"lora-dio3": "DIO3",
"lora-dio4": "DIO4",
"lora-dio5": "DIO5",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "NC",
"lora-rxctl": "NC",
"lora-ant-switch": "ANT_SWITCH",
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "NC"
},
"MTB_RAK811": {
"lorawan-enabled": true,
"lora-radio": "SX1276",
"lora-spi-mosi": "SPI_RF_MOSI",
"lora-spi-miso": "SPI_RF_MISO",
"lora-spi-sclk": "SPI_RF_SCK",
"lora-cs": "SPI_RF_CS",
"lora-reset": "SPI_RF_RESET",
"lora-dio0": "DIO0",
"lora-dio1": "DIO1",
"lora-dio2": "DIO2",
"lora-dio3": "DIO3",
"lora-dio4": "DIO4",
"lora-dio5": "NC",
"lora-rf-switch-ctl1": "NC",
"lora-rf-switch-ctl2": "NC",
"lora-txctl": "ANT_CTX_PA",
"lora-rxctl": "ANT_CRX_RX",
"lora-ant-switch": "NC",
"lora-pwr-amp-ctl": "NC",
"lora-tcxo": "RF_TCXO_EN"
}
},
"macros": ["MBEDTLS_USER_CONFIG_FILE=\"mbedtls_lora_config.h\""]
}

2695
mbedtls_lora_config.h
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sensors/DHT.lib
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https://github.com/atoy40/mbed-dht/#0aa899f3a68e02eec69e74a6f68c35249530d89d
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