Echo example of class C devices receiving downlink and sending as next uplink

Dependencies:   libmDot-mbed5 ISL29011

Revision:
0:a151a6350d7f
Child:
2:ffac7b141b72
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/ota_example.cpp	Wed Oct 05 21:07:50 2016 +0000
@@ -0,0 +1,109 @@
+#include "dot_util.h"
+ 
+#if ACTIVE_EXAMPLE == OTA_EXAMPLE
+
+///////////////////////////////////////////////////////////
+// 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 //
+///////////////////////////////////////////////////////////
+static std::string network_name = "mikes_lora_network";
+static std::string network_passphrase = "password_123";
+static uint8_t frequency_sub_band = 6;
+static bool public_network = false;
+static uint8_t ack = 1;
+
+// 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;
+
+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() {
+    pc.baud(115200);
+
+    mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
+    
+    dot = mDot::getInstance();
+
+    // make sure library logging is turned on
+    dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
+
+    // update configuration if necessary, then display it
+    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");
+        }
+    }
+    update_ota_config(network_name, network_passphrase, frequency_sub_band, public_network, ack);
+    display_config();
+
+    // restore the saved session if the dot woke from deepsleep mode
+    // useful to use with deepsleep because RAM session info is otherwise lost when the dot enters deepsleep
+    if (dot->getStandbyFlag()) {
+        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