Harry Chen / Mbed OS Dot-Examples

fp

Dependencies:   libmDot-mbed5 ISL29011

examples/src/ota_example.cpp@40:71d8df33ef7d, 2020-01-06 (annotated)

Committer:
harryyyy
Date:
Mon Jan 06 08:17:12 2020 +0000
Revision:
40:71d8df33ef7d
Parent:
39:1f8558902454 
fp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mfiore 0:a151a6350d7f 1 #include "dot_util.h"
Mike Fiore 14:19fae4509473 2 #include "RadioEvent.h"
mfiore 17:d4f82e16de5f 3
ted12842 39:1f8558902454 4 #include <string>
ted12842 39:1f8558902454 5 #include <vector>
ted12842 39:1f8558902454 6 #include <algorithm>
ted12842 39:1f8558902454 7 #include <iostream>
ted12842 39:1f8558902454 8 #include <sstream>
ted12842 39:1f8558902454 9 using namespace std;
ted12842 39:1f8558902454 10 AnalogIn in(PA_5);
ted12842 39:1f8558902454 11 static uint8_t config_app_eui[] = {0x86,0xe4,0xef,0xc7,0x10,0x4f,0x68,0x29 };
ted12842 39:1f8558902454 12 static uint8_t config_app_key[] = { 0xa3,0x46,0xb6,0xfa,0xef,0x2b,0xd3,0x3c,0x16,0xfe,0x9b,0x1d,0x8d,0x47,0xa1,0x1d};
mfiore 0:a151a6350d7f 13
ted12842 39:1f8558902454 14 // use the same subband as gateway that gateway can listen to you
ted12842 39:1f8558902454 15 static uint8_t config_frequency_sub_band = 1;
ted12842 39:1f8558902454 16 mDot *dot;
Mike Fiore 21:09d05faf0e13 17 lora::ChannelPlan* plan = NULL;
mfiore 0:a151a6350d7f 18
ted12842 39:1f8558902454 19 #if ACTIVE_EXAMPLE == OTA_EXAMPLE
ted12842 39:1f8558902454 20 void config(mDot *dot,lora::ChannelPlan *plan)
ted12842 39:1f8558902454 21 {
ted12842 39:1f8558902454 22 uint8_t ret;
ted12842 39:1f8558902454 23 // reset to default config so we know what state we're in
ted12842 39:1f8558902454 24 dot->resetConfig();
ted12842 39:1f8558902454 25 // set how many log info will be show
ted12842 39:1f8558902454 26 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
ted12842 39:1f8558902454 27 // set subband frequency the same as gateway so gateway can listen to you
ted12842 39:1f8558902454 28 logInfo("setting frequency sub band\r\n");
ted12842 39:1f8558902454 29 if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 30 logError("failed to set frequency sub band %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 31 }
ted12842 39:1f8558902454 32 // lora has private network and public network here we use public network
ted12842 39:1f8558902454 33 logInfo("setting public network mode");
ted12842 39:1f8558902454 34 if ((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 35 logError("failed to public network mode");
ted12842 39:1f8558902454 36 }
ted12842 39:1f8558902454 37 std::vector<uint8_t> temp;
ted12842 39:1f8558902454 38
ted12842 39:1f8558902454 39 for (int i = 0; i < 8; i++) {
ted12842 39:1f8558902454 40 temp.push_back(config_app_eui[i]);
ted12842 39:1f8558902454 41 }
ted12842 39:1f8558902454 42 // set network id
ted12842 39:1f8558902454 43 logInfo("setting app eui\r\n");
ted12842 39:1f8558902454 44 if ((ret = dot->setNetworkId(temp)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 45 logError("failed to set app eui %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 46 }
ted12842 39:1f8558902454 47 temp.clear();
ted12842 39:1f8558902454 48 for (int i = 0; i < 16; i++) {
ted12842 39:1f8558902454 49 temp.push_back(config_app_key[i]);
ted12842 39:1f8558902454 50 }
ted12842 39:1f8558902454 51 // set network key
ted12842 39:1f8558902454 52 logInfo("setting app key\r\n");
ted12842 39:1f8558902454 53 if ((ret = dot->setNetworkKey(temp)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 54 logError("failed to set app key %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 55 }
ted12842 39:1f8558902454 56 // a higher spreading factor allows for longer range but lower throughput
ted12842 39:1f8558902454 57 // in the 915 (US) frequency band, spreading factors 7 - 10 are available
ted12842 39:1f8558902454 58 logInfo("setting TX spreading factor\r\n");
ted12842 39:1f8558902454 59 if ((ret = dot->setTxDataRate(mDot::DR10)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 60 logError("failed to set TX datarate %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 61 }
ted12842 39:1f8558902454 62 // request receive confirmation of packets from the gateway
ted12842 39:1f8558902454 63 logInfo("enabling ACKs\r\n");
ted12842 39:1f8558902454 64 if ((ret = dot->setAck(1)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 65 logError("failed to enable ACKs %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 66 }
ted12842 39:1f8558902454 67 // Set Tx Power
ted12842 39:1f8558902454 68 logInfo("enabling Tx Power\r\n");
ted12842 39:1f8558902454 69 if ((ret = dot->setTxPower(20)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 70 logError("failed to enable Tx Power %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 71 }
ted12842 39:1f8558902454 72 // request receive confirmation of packets from the gateway
ted12842 39:1f8558902454 73 logInfo("enabling Tx Data Rate\r\n");
ted12842 39:1f8558902454 74 if ((ret = dot->setTxDataRate(3)) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 75 logError("failed to enable Tx Data Rate %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 76 }
ted12842 39:1f8558902454 77 // save this configuration to the mDot's NVM
ted12842 39:1f8558902454 78 logInfo("saving config\r\n");
ted12842 39:1f8558902454 79 if (! dot->saveConfig()) {
ted12842 39:1f8558902454 80 logError("failed to save configuration\r\n");
ted12842 39:1f8558902454 81 }
ted12842 39:1f8558902454 82 logInfo("joining network\r\n");
ted12842 39:1f8558902454 83 while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
ted12842 39:1f8558902454 84 logError("failed to join network %d:%s\r\n", ret, mDot::getReturnCodeString(ret).c_str());
ted12842 39:1f8558902454 85 osDelay(std::max((uint32_t)1000, (uint32_t)dot->getNextTxMs()));
ted12842 39:1f8558902454 86 }
ted12842 39:1f8558902454 87 return;
ted12842 39:1f8558902454 88 }
ted12842 39:1f8558902454 89 int main()
ted12842 39:1f8558902454 90 {
ted12842 39:1f8558902454 91 // object to control the debug board
ted12842 39:1f8558902454 92
ted12842 39:1f8558902454 93 plan= new lora::ChannelPlan_AS923();
ted12842 39:1f8558902454 94
ted12842 39:1f8558902454 95 dot = mDot::getInstance(plan);
ted12842 39:1f8558902454 96
ted12842 39:1f8558902454 97 // set network
ted12842 39:1f8558902454 98 config(dot,plan);
harryyyy 40:71d8df33ef7d 99
ted12842 39:1f8558902454 100 while (true) {
ted12842 39:1f8558902454 101 int tmp,ret;
ted12842 39:1f8558902454 102 std::vector<uint8_t> data;
ted12842 39:1f8558902454 103 stringstream ss;
ted12842 39:1f8558902454 104 std::string data_str ;
ted12842 39:1f8558902454 105
ted12842 39:1f8558902454 106 tmp = in.read_u16();
harryyyy 40:71d8df33ef7d 107 //printf("%d\r\n",tmp);
ted12842 39:1f8558902454 108
harryyyy 40:71d8df33ef7d 109 if(tmp < 37000 ){
harryyyy 40:71d8df33ef7d 110 // format data for sending to the gateway
harryyyy 40:71d8df33ef7d 111 ss << "yes";
harryyyy 40:71d8df33ef7d 112 ss >> data_str;
harryyyy 40:71d8df33ef7d 113 for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
harryyyy 40:71d8df33ef7d 114 data.push_back((uint8_t) *it);
harryyyy 40:71d8df33ef7d 115
harryyyy 40:71d8df33ef7d 116 // send the data to the gateway
harryyyy 40:71d8df33ef7d 117 if ((ret = dot->send(data)) != mDot::MDOT_OK) {
harryyyy 40:71d8df33ef7d 118 logError("failed to send\r\n", ret, mDot::getReturnCodeString(ret).c_str());
harryyyy 40:71d8df33ef7d 119 } else {
harryyyy 40:71d8df33ef7d 120 logInfo("successfully sent data to gateway\r\n");
harryyyy 40:71d8df33ef7d 121 }
harryyyy 40:71d8df33ef7d 122
harryyyy 40:71d8df33ef7d 123 // we use US but in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
harryyyy 40:71d8df33ef7d 124 osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
harryyyy 40:71d8df33ef7d 125
harryyyy 40:71d8df33ef7d 126 }
harryyyy 40:71d8df33ef7d 127 else if (tmp > 40000 ){
harryyyy 40:71d8df33ef7d 128 // format data for sending to the gateway
harryyyy 40:71d8df33ef7d 129 ss << "no";
harryyyy 40:71d8df33ef7d 130 ss >> data_str;
harryyyy 40:71d8df33ef7d 131 for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
harryyyy 40:71d8df33ef7d 132 data.push_back((uint8_t) *it);
harryyyy 40:71d8df33ef7d 133
harryyyy 40:71d8df33ef7d 134 // send the data to the gateway
harryyyy 40:71d8df33ef7d 135 if ((ret = dot->send(data)) != mDot::MDOT_OK) {
harryyyy 40:71d8df33ef7d 136 logError("failed to send\r\n", ret, mDot::getReturnCodeString(ret).c_str());
harryyyy 40:71d8df33ef7d 137 } else {
harryyyy 40:71d8df33ef7d 138 logInfo("successfully sent data to gateway\r\n");
harryyyy 40:71d8df33ef7d 139 }
harryyyy 40:71d8df33ef7d 140
harryyyy 40:71d8df33ef7d 141 // we use US but in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
harryyyy 40:71d8df33ef7d 142 osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
harryyyy 40:71d8df33ef7d 143
ted12842 39:1f8558902454 144 }
ted12842 39:1f8558902454 145 }
mfiore 0:a151a6350d7f 146
ted12842 39:1f8558902454 147 return 0;
ted12842 39:1f8558902454 148
ted12842 39:1f8558902454 149 }
ted12842 39:1f8558902454 150
ted12842 39:1f8558902454 151
ted12842 39:1f8558902454 152
Evan Hosseini 30:2f5ae37e6c47 153 #endif
Evan Hosseini 30:2f5ae37e6c47 154