Patrick Loots / Mbed OS mDot-PlantMonitor-AU915

mDot - 915 MultiTech mDot UDK board DHT22 Sensor 10 KOhm resistor 330Ohm resistor, standard light dependent resistor and a sparkfun soil moisture sensor

Dependencies:   DHT22 libmDot-mbed5

Fork of mDot_LoRa_Connect_ABPA_DHT22_sleep by Brendan Kelly

main.cpp@10:02615da7a9fe, 2017-08-21 (annotated)

Committer:
kellybs1
Date:
Mon Aug 21 05:01:01 2017 +0000
Revision:
10:02615da7a9fe
Parent:
9:7f7194b5b4e3
Child:
11:45465d7cff1f
Working version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mfiore 0:09250cd371d2 1 #include "mbed.h"
mfiore 0:09250cd371d2 2 #include "mDot.h"
kellybs1 8:206e0563e1a1 3 #include "ChannelPlans.h"
mfiore 4:36e214ebfa56 4 #include "MTSLog.h"
kellybs1 10:02615da7a9fe 5 #include "dot_util.h"
kellybs1 10:02615da7a9fe 6 #include "mbed.h"
kellybs1 10:02615da7a9fe 7 #include "DHT22.h"
mfiore 0:09250cd371d2 8 #include <string>
mfiore 0:09250cd371d2 9 #include <vector>
mfiore 4:36e214ebfa56 10 #include <algorithm>
kellybs1 10:02615da7a9fe 11 #include <sstream>
kellybs1 10:02615da7a9fe 12
kellybs1 10:02615da7a9fe 13 //dht 22 ping (D6 on UDK 2)
kellybs1 10:02615da7a9fe 14 DHT22 dht22(PA_1);
kellybs1 10:02615da7a9fe 15 //analogue ldr pin (A0 on UDK 2)
kellybs1 10:02615da7a9fe 16 AnalogIn a0(PB_1);
mfiore 0:09250cd371d2 17
mfiore 2:6e2c378339d9 18 // these options must match the settings on your Conduit
kellybs1 10:02615da7a9fe 19
kellybs1 10:02615da7a9fe 20 /*
kellybs1 10:02615da7a9fe 21 Current test settings
kellybs1 10:02615da7a9fe 22 dev address: 072389f7
kellybs1 10:02615da7a9fe 23 net sess key: b35aca73d283996dc3cbc0803af04547
kellybs1 10:02615da7a9fe 24 app sess key: d6f28430da4035273b9e3c07eb30c0dd
kellybs1 10:02615da7a9fe 25 */
kellybs1 10:02615da7a9fe 26 static uint8_t network_address[] = { 0x07, 0x23, 0x89, 0xf7 };
kellybs1 10:02615da7a9fe 27 static uint8_t network_session_key[] = { 0xb3, 0x5a, 0xca, 0x73, 0xd2, 0x83, 0x99, 0x6d, 0xc3, 0xcb, 0xc0, 0x80, 0x3a, 0xf0, 0x45, 0x47 };
kellybs1 10:02615da7a9fe 28 static uint8_t data_session_key[] = { 0xd6, 0xf2, 0x84, 0x30, 0xda, 0x40, 0x35, 0x27, 0x3b, 0x9e, 0x3c, 0x07, 0xeb, 0x30, 0xc0, 0xdd };
kellybs1 10:02615da7a9fe 29 static uint8_t frequency_sub_band = 2;
kellybs1 10:02615da7a9fe 30 static bool public_network = true;
kellybs1 10:02615da7a9fe 31 static uint8_t ack = 0;
kellybs1 10:02615da7a9fe 32 static bool adr = false;
mfiore 0:09250cd371d2 33
kellybs1 9:7f7194b5b4e3 34 Serial pc(USBTX, USBRX);
kellybs1 9:7f7194b5b4e3 35
kellybs1 10:02615da7a9fe 36 mDot* dot = NULL;
kellybs1 9:7f7194b5b4e3 37
kellybs1 9:7f7194b5b4e3 38
kellybs1 10:02615da7a9fe 39 //converts value to string
kellybs1 10:02615da7a9fe 40 template <typename T>
kellybs1 10:02615da7a9fe 41 string ToString(T val) {
kellybs1 10:02615da7a9fe 42 stringstream stream;
kellybs1 10:02615da7a9fe 43 stream << val;
kellybs1 10:02615da7a9fe 44 return stream.str();
kellybs1 10:02615da7a9fe 45 }
kellybs1 10:02615da7a9fe 46
mfiore 0:09250cd371d2 47 int main() {
kellybs1 9:7f7194b5b4e3 48 pc.baud(9600);
kellybs1 10:02615da7a9fe 49 //std::string data_str = "hello world";
mfiore 2:6e2c378339d9 50
kellybs1 9:7f7194b5b4e3 51 // use AU915 plan
kellybs1 9:7f7194b5b4e3 52 lora::ChannelPlan* plan = new lora::ChannelPlan_AU915();
kellybs1 7:e29228e39982 53 assert(plan);
mfiore 0:09250cd371d2 54 // get a mDot handle
kellybs1 10:02615da7a9fe 55 dot = mDot::getInstance(plan);
kellybs1 7:e29228e39982 56 assert(dot);
mfiore 2:6e2c378339d9 57
mfiore 4:36e214ebfa56 58
kellybs1 10:02615da7a9fe 59 if (!dot->getStandbyFlag()) {
kellybs1 10:02615da7a9fe 60 logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
kellybs1 10:02615da7a9fe 61
kellybs1 10:02615da7a9fe 62 // start from a well-known state
kellybs1 10:02615da7a9fe 63 logInfo("defaulting Dot configuration");
kellybs1 10:02615da7a9fe 64 dot->resetConfig();
kellybs1 10:02615da7a9fe 65 dot->resetNetworkSession();
kellybs1 10:02615da7a9fe 66
kellybs1 10:02615da7a9fe 67 // make sure library logging is turned on
kellybs1 10:02615da7a9fe 68 dot->setLogLevel(mts::MTSLog::DEBUG_LEVEL);
kellybs1 10:02615da7a9fe 69
kellybs1 10:02615da7a9fe 70 // update configuration if necessary
kellybs1 10:02615da7a9fe 71 if (dot->getJoinMode() != mDot::MANUAL) {
kellybs1 10:02615da7a9fe 72 logInfo("changing network join mode to MANUAL");
kellybs1 10:02615da7a9fe 73 if (dot->setJoinMode(mDot::MANUAL) != mDot::MDOT_OK) {
kellybs1 10:02615da7a9fe 74 logError("failed to set network join mode to MANUAL");
kellybs1 10:02615da7a9fe 75 }
kellybs1 10:02615da7a9fe 76 }
kellybs1 10:02615da7a9fe 77 // in MANUAL join mode there is no join request/response transaction
kellybs1 10:02615da7a9fe 78 // as long as the Dot is configured correctly and provisioned correctly on the gateway, it should be able to communicate
kellybs1 10:02615da7a9fe 79 // network address - 4 bytes (00000001 - FFFFFFFE)
kellybs1 10:02615da7a9fe 80 // network session key - 16 bytes
kellybs1 10:02615da7a9fe 81 // data session key - 16 bytes
kellybs1 10:02615da7a9fe 82 // to provision your Dot with a Conduit gateway, follow the following steps
kellybs1 10:02615da7a9fe 83 // * ssh into the Conduit
kellybs1 10:02615da7a9fe 84 // * provision the Dot using the lora-query application: http://www.multitech.net/developer/software/lora/lora-network-server/
kellybs1 10:02615da7a9fe 85 // lora-query -a 01020304 A 0102030401020304 <your Dot's device ID> 01020304010203040102030401020304 01020304010203040102030401020304
kellybs1 10:02615da7a9fe 86 // * if you change the network address, network session key, or data session key, make sure you update them on the gateway
kellybs1 10:02615da7a9fe 87 // to provision your Dot with a 3rd party gateway, see the gateway or network provider documentation
kellybs1 10:02615da7a9fe 88 update_manual_config(network_address, network_session_key, data_session_key, frequency_sub_band, public_network, ack);
kellybs1 10:02615da7a9fe 89
kellybs1 10:02615da7a9fe 90
kellybs1 10:02615da7a9fe 91 // enable or disable Adaptive Data Rate
kellybs1 10:02615da7a9fe 92 dot->setAdr(adr);
kellybs1 10:02615da7a9fe 93
kellybs1 10:02615da7a9fe 94 //* AU915 Datarates
kellybs1 10:02615da7a9fe 95 //* ---------------
kellybs1 10:02615da7a9fe 96 //* DR0 - SF10BW125 -- 11 bytes
kellybs1 10:02615da7a9fe 97 //* DR1 - SF9BW125 -- 53 bytes
kellybs1 10:02615da7a9fe 98 //* DR2 - SF8BW125 -- 129 byte
kellybs1 10:02615da7a9fe 99 //* DR3 - SF7BW125 -- 242 bytes
kellybs1 10:02615da7a9fe 100 //* DR4 - SF8BW500 -- 242 bytes
kellybs1 10:02615da7a9fe 101 dot->setTxDataRate(mDot::DR2);
kellybs1 10:02615da7a9fe 102
kellybs1 10:02615da7a9fe 103 // save changes to configuration
kellybs1 10:02615da7a9fe 104 logInfo("saving configuration");
kellybs1 10:02615da7a9fe 105 if (!dot->saveConfig()) {
kellybs1 10:02615da7a9fe 106 logError("failed to save configuration");
kellybs1 10:02615da7a9fe 107 }
kellybs1 10:02615da7a9fe 108
kellybs1 10:02615da7a9fe 109 // display configuration
kellybs1 10:02615da7a9fe 110 display_config();
kellybs1 10:02615da7a9fe 111 } else {
kellybs1 10:02615da7a9fe 112 // restore the saved session if the dot woke from deepsleep mode
kellybs1 10:02615da7a9fe 113 // useful to use with deepsleep because session info is otherwise lost when the dot enters deepsleep
kellybs1 10:02615da7a9fe 114 logInfo("restoring network session from NVM");
kellybs1 10:02615da7a9fe 115 dot->restoreNetworkSession();
jreiss 5:6b988a804fcb 116 }
jreiss 5:6b988a804fcb 117
mfiore 0:09250cd371d2 118
mfiore 0:09250cd371d2 119 while (true) {
kellybs1 10:02615da7a9fe 120
kellybs1 10:02615da7a9fe 121 //init data variable
kellybs1 10:02615da7a9fe 122 std::vector<uint8_t> data;
kellybs1 10:02615da7a9fe 123
kellybs1 10:02615da7a9fe 124 //read LDR
kellybs1 10:02615da7a9fe 125 //read LDR as float (0.0-1.0, multiply by 1000)
kellybs1 10:02615da7a9fe 126 float ldr1 = a0.read() * 1000;
kellybs1 10:02615da7a9fe 127 wait_ms(100);
kellybs1 10:02615da7a9fe 128 float ldr2 = a0.read() * 1000;
kellybs1 10:02615da7a9fe 129 wait_ms(100);
kellybs1 10:02615da7a9fe 130 float ldr3 = a0.read() * 1000;
kellybs1 10:02615da7a9fe 131 wait_ms(100);
kellybs1 10:02615da7a9fe 132 //average the multiple readings - smoother output
kellybs1 10:02615da7a9fe 133 float ldr = (ldr1 + ldr2 + ldr3) / 3;
kellybs1 10:02615da7a9fe 134
kellybs1 10:02615da7a9fe 135 //read DHT22
kellybs1 10:02615da7a9fe 136 //get dht22 sample
kellybs1 10:02615da7a9fe 137 int error = dht22.sample();
kellybs1 10:02615da7a9fe 138 wait_ms(100);
kellybs1 10:02615da7a9fe 139 //it's required to divide these values by ten for some reason
kellybs1 10:02615da7a9fe 140 float h = (float)dht22.getHumidity() / 10;
kellybs1 10:02615da7a9fe 141 float t = (float)dht22.getTemperature() / 10;
kellybs1 10:02615da7a9fe 142
kellybs1 10:02615da7a9fe 143 string l_str = ToString(ldr);
kellybs1 10:02615da7a9fe 144 string h_str = ToString(h);
kellybs1 10:02615da7a9fe 145 string t_str = ToString(t);
kellybs1 10:02615da7a9fe 146 string output = "L:" + l_str + " H:" + h_str + " T:" + t_str;
kellybs1 10:02615da7a9fe 147
kellybs1 10:02615da7a9fe 148 logInfo("Sending %s", output.c_str());
kellybs1 10:02615da7a9fe 149
kellybs1 10:02615da7a9fe 150 // format data for sending to the gateway
kellybs1 10:02615da7a9fe 151 for (std::string::iterator it = output.begin(); it != output.end(); it++)
kellybs1 10:02615da7a9fe 152 data.push_back((uint8_t) *it);
kellybs1 10:02615da7a9fe 153
kellybs1 10:02615da7a9fe 154 send_data(data);
mfiore 0:09250cd371d2 155
kellybs1 10:02615da7a9fe 156 //wait before resending
kellybs1 10:02615da7a9fe 157 wait(15);
mfiore 0:09250cd371d2 158 }
kellybs1 10:02615da7a9fe 159
kellybs1 10:02615da7a9fe 160 return 0;
kellybs1 10:02615da7a9fe 161 }
mfiore 0:09250cd371d2 162