Diff: examples/src/ota_example.cpp

Revision:

0:34da43c761f8

diff -r 000000000000 -r 34da43c761f8 examples/src/ota_example.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/ota_example.cpp	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,182 @@
+#include "dot_util.h"
+#include "RadioEvent.h"
+ 
+#if ACTIVE_EXAMPLE == OTA_EXAMPLE
+
+/////////////////////////////////////////////////////////////////////////////
+// -------------------- DOT LIBRARY REQUIRED ------------------------------//
+// * Because these example programs can be used for both mDot and xDot     //
+//     devices, the LoRa stack is not included. The libmDot library should //
+//     be imported if building for mDot devices. The libxDot library       //
+//     should be imported if building for xDot devices.                    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/        //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/        //
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////
+// * these options must match the settings on your gateway //
+// * edit their values to match your configuration         //
+// * frequency sub band is only relevant for the 915 bands //
+// * either the network name and passphrase can be used or //
+//     the network ID (8 bytes) and KEY (16 bytes)         //
+/////////////////////////////////////////////////////////////
+static std::string network_name = "MTCDT-19400691";
+static std::string network_passphrase = "MTCDT-19400691";
+static uint8_t network_id[] = { 0x6C, 0x4E, 0xEF, 0x66, 0xF4, 0x79, 0x86, 0xA6 };
+static uint8_t network_key[] = { 0x1F, 0x33, 0xA1, 0x70, 0xA5, 0xF1, 0xFD, 0xA0, 0xAB, 0x69, 0x7A, 0xAE, 0x2B, 0x95, 0x91, 0x6B };
+static uint8_t frequency_sub_band = 0;
+static bool public_network = false;
+static uint8_t ack = 0;
+static bool adr = true;
+
+// deepsleep consumes slightly less current than sleep
+// in sleep mode, IO state is maintained, RAM is retained, and application will resume after waking up
+// in deepsleep mode, IOs float, RAM is lost, and application will start from beginning after waking up
+// if deep_sleep == true, device will enter deepsleep mode
+static bool deep_sleep = false;
+
+mDot* dot = NULL;
+lora::ChannelPlan* plan = NULL;
+
+Serial pc(USBTX, USBRX);
+
+#if defined(TARGET_XDOT_L151CC)
+I2C i2c(I2C_SDA, I2C_SCL);
+ISL29011 lux(i2c);
+#else
+AnalogIn lux(XBEE_AD0);
+#endif
+
+int main() {
+    // Custom event handler for automatically displaying RX data
+    RadioEvent events;
+
+    pc.baud(115200);
+
+    mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
+    
+#if CHANNEL_PLAN == CP_US915
+    plan = new lora::ChannelPlan_US915();
+#elif CHANNEL_PLAN == CP_AU915
+    plan = new lora::ChannelPlan_AU915();
+#elif CHANNEL_PLAN == CP_EU868
+    plan = new lora::ChannelPlan_EU868();
+#elif CHANNEL_PLAN == CP_KR920
+    plan = new lora::ChannelPlan_KR920();
+#elif CHANNEL_PLAN == CP_AS923
+    plan = new lora::ChannelPlan_AS923();
+#elif CHANNEL_PLAN == CP_AS923_JAPAN
+    plan = new lora::ChannelPlan_AS923_Japan();
+#elif CHANNEL_PLAN == CP_IN865
+    plan = new lora::ChannelPlan_IN865();
+#endif
+    assert(plan);
+
+    dot = mDot::getInstance(plan);
+    assert(dot);
+
+    // attach the custom events handler
+    dot->setEvents(&events);
+
+    if (!dot->getStandbyFlag()) {
+        logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
+
+        // start from a well-known state
+        logInfo("defaulting Dot configuration");
+        dot->resetConfig();
+        dot->resetNetworkSession();
+
+        // make sure library logging is turned on
+        dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
+
+        // update configuration if necessary
+        if (dot->getJoinMode() != mDot::OTA) {
+            logInfo("changing network join mode to OTA");
+            if (dot->setJoinMode(mDot::OTA) != mDot::MDOT_OK) {
+                logError("failed to set network join mode to OTA");
+            }
+        }
+        // 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
+        // only one method or the other should be used!
+        // network ID = crc64(network name)
+        // network KEY = cmac(network passphrase)
+        update_ota_config_name_phrase(network_name, network_passphrase, frequency_sub_band, public_network, ack);
+        // update_ota_config_id_key(network_id, network_key, frequency_sub_band, public_network, ack);
+
+        // configure network link checks
+        // 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
+        // check the link every count packets
+        // declare the Dot disconnected after threshold failed link checks
+        // 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
+        update_network_link_check_config(3, 5);
+
+        // enable or disable Adaptive Data Rate
+        dot->setAdr(adr);
+    
+        // save changes to configuration
+        logInfo("saving configuration");
+        if (!dot->saveConfig()) {
+            logError("failed to save configuration");
+        }
+
+        // display configuration
+        display_config();
+    } else {
+        // restore the saved session if the dot woke from deepsleep mode
+        // useful to use with deepsleep because session info is otherwise lost when the dot enters deepsleep
+        logInfo("restoring network session from NVM");
+        dot->restoreNetworkSession();
+    }
+
+    while (true) {
+        uint16_t light;
+        std::vector<uint8_t> tx_data;
+
+        // join network if not joined
+        if (!dot->getNetworkJoinStatus()) {
+            join_network();
+        }
+
+#if defined(TARGET_XDOT_L151CC)
+        // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
+        lux.setMode(ISL29011::ALS_CONT);
+        lux.setResolution(ISL29011::ADC_16BIT);
+        lux.setRange(ISL29011::RNG_64000);
+
+        // get the latest light sample and send it to the gateway
+        light = lux.getData();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+
+        // put the LSL29011 ambient light sensor into a low power state
+        lux.setMode(ISL29011::PWR_DOWN);
+#else 
+        // get some dummy data and send it to the gateway
+        light = lux.read_u16();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#endif
+
+        // if going into deepsleep mode, save the session so we don't need to join again after waking up
+        // not necessary if going into sleep mode since RAM is retained
+        if (deep_sleep) {
+            logInfo("saving network session to NVM");
+            dot->saveNetworkSession();
+        }
+
+        // ONLY ONE of the three functions below should be uncommented depending on the desired wakeup method
+        //sleep_wake_rtc_only(deep_sleep);
+        //sleep_wake_interrupt_only(deep_sleep);
+        sleep_wake_rtc_or_interrupt(deep_sleep);
+    }
+ 
+    return 0;
+}
+
+#endif