SafeDetect / Mbed OS tx_serial_from_pi

this works for reading in data from pi via usb

main.cpp@104:2b36fa37e411, 2019-12-10 (annotated)

Committer:
candre97
Date:
Tue Dec 10 06:10:42 2019 +0000
Revision:
104:2b36fa37e411
Parent:
103:d8e01f94dd43 
all done;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
candre97 102:630e8252eabf 1 #include "mbed.h"
candre97 102:630e8252eabf 2 #include "dot_util.h"
candre97 102:630e8252eabf 3 #include "RadioEvent.h"
candre97 102:630e8252eabf 4 #include <stdlib.h>
candre97 103:d8e01f94dd43 5 #include <inttypes.h>
candre97 103:d8e01f94dd43 6
candre97 102:630e8252eabf 7
candre97 102:630e8252eabf 8 // setting must match settings on the gateway
candre97 102:630e8252eabf 9 static std::string network_name = "LAleakers";
candre97 102:630e8252eabf 10 static std::string network_passphrase = "stephisbroke";
candre97 102:630e8252eabf 11 static uint8_t network_id[] = { 0x6C, 0x4E, 0xEF, 0x66, 0xF4, 0x79, 0x86, 0xA6 };
candre97 102:630e8252eabf 12 static uint8_t network_key[] = { 0x1F, 0x33, 0xA1, 0x70, 0xA5, 0xF1, 0xFD, 0xA0, 0xAB, 0x69, 0x7A, 0xAE, 0x2B, 0x95, 0x91, 0x6B };
candre97 102:630e8252eabf 13 static uint8_t frequency_sub_band = 7;
candre97 102:630e8252eabf 14 static lora::NetworkType network_type = lora::PUBLIC_LORAWAN;
candre97 102:630e8252eabf 15 static uint8_t join_delay = 5;
candre97 102:630e8252eabf 16 static uint8_t ack = 0;
candre97 102:630e8252eabf 17 static bool adr = false;
candre97 102:630e8252eabf 18
candre97 102:630e8252eabf 19 static bool deep_sleep = false;
candre97 102:630e8252eabf 20
candre97 102:630e8252eabf 21 mDot* dot = NULL;
candre97 102:630e8252eabf 22 lora::ChannelPlan* plan = new lora::ChannelPlan_US915();
candre97 102:630e8252eabf 23
candre97 102:630e8252eabf 24 Serial pc(USBTX, USBRX);
candre97 102:630e8252eabf 25
candre97 102:630e8252eabf 26 I2C i2c(I2C_SDA, I2C_SCL);
candre97 102:630e8252eabf 27
candre97 102:630e8252eabf 28 DigitalOut led(LED1);
mbed_official 82:abf1b1785bd7 29
candre97 102:630e8252eabf 30 int main() {
candre97 102:630e8252eabf 31 //pc.printf("Echoes back to the screen anything you type\n");
candre97 102:630e8252eabf 32
candre97 102:630e8252eabf 33 RadioEvent events;
candre97 102:630e8252eabf 34 printf("HELLO!!!\n");
candre97 102:630e8252eabf 35 pc.printf("Hi from pc\n");
candre97 102:630e8252eabf 36 //pc.baud(115200);
candre97 102:630e8252eabf 37
candre97 102:630e8252eabf 38 i2c.frequency(400000);
candre97 102:630e8252eabf 39
candre97 103:d8e01f94dd43 40 //mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
candre97 102:630e8252eabf 41
candre97 102:630e8252eabf 42 assert(plan);
Jonathan Austin 0:2757d7abb7d9 43
candre97 102:630e8252eabf 44 dot = mDot::getInstance(plan);
candre97 102:630e8252eabf 45 assert(dot);
Jonathan Austin 0:2757d7abb7d9 46
candre97 102:630e8252eabf 47 // attach the custom events handler
candre97 102:630e8252eabf 48 dot->setEvents(&events);
candre97 102:630e8252eabf 49
candre97 102:630e8252eabf 50 printf("S");
candre97 102:630e8252eabf 51
candre97 102:630e8252eabf 52 if (!dot->getStandbyFlag()) {
candre97 102:630e8252eabf 53 logInfo("mbed-os library version: %d.%d.%d", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
candre97 102:630e8252eabf 54
candre97 102:630e8252eabf 55 // start from a well-known state
candre97 102:630e8252eabf 56 logInfo("defaulting Dot configuration");
candre97 102:630e8252eabf 57 dot->resetConfig();
candre97 102:630e8252eabf 58 dot->resetNetworkSession();
candre97 102:630e8252eabf 59
candre97 102:630e8252eabf 60 // make sure library logging is turned on
candre97 102:630e8252eabf 61 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
mbed_official 88:bea4f2daa48c 62
candre97 102:630e8252eabf 63 // update configuration if necessary
candre97 102:630e8252eabf 64 if (dot->getJoinMode() != mDot::OTA) {
candre97 102:630e8252eabf 65 logInfo("changing network join mode to OTA");
candre97 102:630e8252eabf 66 if (dot->setJoinMode(mDot::OTA) != mDot::MDOT_OK) {
candre97 102:630e8252eabf 67 logError("failed to set network join mode to OTA");
candre97 102:630e8252eabf 68 }
candre97 102:630e8252eabf 69 }
candre97 102:630e8252eabf 70 // in OTA and AUTO_OTA join modes, the credentials can be passed to the library as a name and passphrase or an ID and KEY
candre97 102:630e8252eabf 71 // only one method or the other should be used!
candre97 102:630e8252eabf 72 // network ID = crc64(network name)
candre97 102:630e8252eabf 73 // network KEY = cmac(network passphrase)
candre97 102:630e8252eabf 74 update_ota_config_name_phrase(network_name, network_passphrase, frequency_sub_band, network_type, ack);
candre97 102:630e8252eabf 75 //update_ota_config_id_key(network_id, network_key, frequency_sub_band, network_type, ack);
candre97 102:630e8252eabf 76
candre97 102:630e8252eabf 77 // configure network link checks
candre97 102:630e8252eabf 78 // network link checks are a good alternative to requiring the gateway to ACK every packet and should allow a single gateway to handle more Dots
candre97 102:630e8252eabf 79 // check the link every count packets
candre97 102:630e8252eabf 80 // declare the Dot disconnected after threshold failed link checks
candre97 102:630e8252eabf 81 // for count = 3 and threshold = 5, the Dot will ask for a link check response every 5 packets and will consider the connection lost if it fails to receive 3 responses in a row
candre97 102:630e8252eabf 82 update_network_link_check_config(3, 5);
candre97 102:630e8252eabf 83
candre97 102:630e8252eabf 84 // enable or disable Adaptive Data Rate
candre97 102:630e8252eabf 85 dot->setAdr(adr);
candre97 102:630e8252eabf 86
candre97 102:630e8252eabf 87 // Configure the join delay
candre97 102:630e8252eabf 88 dot->setJoinDelay(join_delay);
mbed_official 82:abf1b1785bd7 89
candre97 102:630e8252eabf 90 // save changes to configuration
candre97 102:630e8252eabf 91 logInfo("saving configuration");
candre97 102:630e8252eabf 92 if (!dot->saveConfig()) {
candre97 102:630e8252eabf 93 logError("failed to save configuration");
candre97 102:630e8252eabf 94 }
candre97 102:630e8252eabf 95
candre97 102:630e8252eabf 96 // display configuration
candre97 102:630e8252eabf 97 display_config();
candre97 102:630e8252eabf 98 } else {
candre97 102:630e8252eabf 99 // restore the saved session if the dot woke from deepsleep mode
candre97 102:630e8252eabf 100 // useful to use with deepsleep because session info is otherwise lost when the dot enters deepsleep
candre97 102:630e8252eabf 101 logInfo("restoring network session from NVM");
candre97 102:630e8252eabf 102 dot->restoreNetworkSession();
candre97 102:630e8252eabf 103 }
candre97 102:630e8252eabf 104
candre97 102:630e8252eabf 105 // join network if not joined
candre97 102:630e8252eabf 106 if (!dot->getNetworkJoinStatus()) {
candre97 102:630e8252eabf 107 join_network();
candre97 102:630e8252eabf 108 pc.printf("joining network\r");
candre97 102:630e8252eabf 109 }
candre97 102:630e8252eabf 110
candre97 103:d8e01f94dd43 111 printf("TX DR: %i\r", dot->getTxDataRate());
candre97 103:d8e01f94dd43 112
candre97 103:d8e01f94dd43 113 uint8_t max_dr = dot->getMaxDatarate();
candre97 103:d8e01f94dd43 114
candre97 103:d8e01f94dd43 115 printf("MAX DR: %i\r", max_dr);
candre97 103:d8e01f94dd43 116
candre97 103:d8e01f94dd43 117 if (dot->setTxDataRate(max_dr) != mDot::MDOT_OK) {
candre97 102:630e8252eabf 118 logError("failed to set TX datarate to DR1");
candre97 102:630e8252eabf 119 }
candre97 102:630e8252eabf 120
candre97 103:d8e01f94dd43 121 pc.printf("TX DR: %i\r", dot->getTxDataRate());
candre97 103:d8e01f94dd43 122 int ARR_SIZE = dot->getNextTxMaxSize();
candre97 103:d8e01f94dd43 123 int t_size = 17;
candre97 103:d8e01f94dd43 124 ARR_SIZE -= t_size;
candre97 103:d8e01f94dd43 125 ARR_SIZE -= 5; // for the commas & colons in there
candre97 103:d8e01f94dd43 126 char arr[ARR_SIZE];
candre97 103:d8e01f94dd43 127 char t_arr[t_size];
candre97 102:630e8252eabf 128
Jonathan Austin 0:2757d7abb7d9 129 while (true) {
candre97 103:d8e01f94dd43 130 //pc.printf("Max Payload: %i\n\r", dot->getNextTxMaxSize());
candre97 103:d8e01f94dd43 131 memset(arr, 0, ARR_SIZE);
candre97 103:d8e01f94dd43 132 memset(t_arr, 0, t_size);
candre97 103:d8e01f94dd43 133
candre97 102:630e8252eabf 134 std::vector<uint8_t> tx_data;
candre97 103:d8e01f94dd43 135 tx_data.clear();
candre97 102:630e8252eabf 136
candre97 103:d8e01f94dd43 137 uint64_t gps_t = dot->getGPSTime();
candre97 103:d8e01f94dd43 138 printf("%llu \n", gps_t);
candre97 103:d8e01f94dd43 139 snprintf(t_arr, t_size,"T:%llu,", gps_t);
candre97 103:d8e01f94dd43 140
candre97 103:d8e01f94dd43 141 //pc.printf("Enter a message to TX: ");
candre97 102:630e8252eabf 142 char c = 'f';
candre97 103:d8e01f94dd43 143 pc.printf("ready\n");
candre97 103:d8e01f94dd43 144 //pc.printf("Your message: ");
candre97 103:d8e01f94dd43 145 for(int i = 0; i < ARR_SIZE && c != '!'; i++){
candre97 102:630e8252eabf 146 c = pc.getc();
candre97 103:d8e01f94dd43 147 pc.printf("%c", c);
candre97 102:630e8252eabf 148 arr[i] = c;
candre97 102:630e8252eabf 149 }
candre97 102:630e8252eabf 150 //pc.gets(arr, 9);
candre97 103:d8e01f94dd43 151 //pc.printf("sending: %s\r", arr);
candre97 102:630e8252eabf 152
candre97 103:d8e01f94dd43 153 for(int i = 0; i < t_size && t_arr[i] != ','; i++) {
candre97 103:d8e01f94dd43 154 tx_data.push_back(t_arr[i]);
candre97 103:d8e01f94dd43 155 }
candre97 103:d8e01f94dd43 156 tx_data.push_back(',');
candre97 103:d8e01f94dd43 157
candre97 103:d8e01f94dd43 158 for(int i = 0; arr[i] != '!' && i < ARR_SIZE; i++) {
candre97 103:d8e01f94dd43 159 if(arr[i] == '!'){
candre97 103:d8e01f94dd43 160 break;
candre97 103:d8e01f94dd43 161 }
candre97 102:630e8252eabf 162 tx_data.push_back(arr[i]);
candre97 102:630e8252eabf 163 }
candre97 102:630e8252eabf 164 send_data(tx_data);
candre97 103:d8e01f94dd43 165 //pc.printf("message sent... \r");
candre97 102:630e8252eabf 166 }
candre97 102:630e8252eabf 167 return 0;
candre97 102:630e8252eabf 168 }
mbed_official 82:abf1b1785bd7 169