WIP. send a large constant string twice a second, in order to test out the transport with something indicative of our required load.

Dependencies:   FXOS8700CQ NTPClient azure_umqtt_c iothub_mqtt_transport mbed-rtos mbed wolfSSL Socket lwip-eth lwip-sys lwip

Fork of FXOS8700CQ_To_Azure_IoT by Mark Radbourne

Revision:
0:6c46c366f500
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SingletonFXOS8700CQ.h	Fri Oct 14 21:16:25 2016 +0000
@@ -0,0 +1,65 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file at https://github.com/Azure/azure-iot-sdks/blob/master/LICENSE for full license information.
+
+#include "mbed.h"
+#include "FXOS8700CQ.h"
+
+typedef struct
+{
+    int16_t x;
+    int16_t y;
+    int16_t z;
+} AXES;
+
+typedef struct
+{
+    AXES accelerometer;
+    AXES magnometer;
+} READING;
+
+class SingletonFXOS8700CQ
+{
+private:
+
+    SingletonFXOS8700CQ(PinName sda = PTE25, PinName scl = PTE24, int addr = FXOS8700CQ_SLAVE_ADDR1);
+    SingletonFXOS8700CQ(const SingletonFXOS8700CQ &);
+    SingletonFXOS8700CQ& operator=(const SingletonFXOS8700CQ&);
+    
+    FXOS8700CQ fxos;
+    InterruptIn fxos_int1; // unused, common with SW2 on FRDM-K64F
+    InterruptIn fxos_int2; // should just be the Data-Ready interrupt
+    bool fxos_int1_triggered;
+    bool fxos_int2_triggered;
+
+    static void trigger_fxos_int1(void)
+    {
+        SingletonFXOS8700CQ::getInstance().setInt1Triggered(true);
+    }
+    
+    static void trigger_fxos_int2(void)
+    {
+        SingletonFXOS8700CQ::getInstance().setInt2Triggered(true);
+        //us_ellapsed = t.read_us();
+    }
+    
+public:
+
+    static SingletonFXOS8700CQ& getInstance()
+    {
+        static SingletonFXOS8700CQ instance;
+        
+        return instance;
+    }
+    
+    void enable() { fxos.enable(); }
+    void disable() { fxos.disable(); }
+    
+    uint8_t getData(READING&);
+    
+    bool getInt1Triggered() { return fxos_int1_triggered; }
+    void setInt1Triggered(bool value) { fxos_int1_triggered = value; }
+    bool getInt2Triggered() { return fxos_int2_triggered; }
+    void setInt2Triggered(bool value) { fxos_int2_triggered = value; }
+    uint8_t getWhoAmI() { return fxos.get_whoami(); }
+    uint8_t getStatus() { return fxos.status(); }
+};
\ No newline at end of file