Diff: main.cpp

Revision:

64:43e7ddf9dba5

Parent:

63:e4f933430f17

Child:

65:7f84fa8c59ac

diff -r e4f933430f17 -r 43e7ddf9dba5 main.cpp
--- a/main.cpp	Mon May 04 22:48:46 2015 +0000
+++ b/main.cpp	Thu May 07 21:00:29 2015 +0000
@@ -24,6 +24,7 @@
  * particularly for applications where the central may want a fast connection
  * interval.*/
 #define UPDATE_PARAMS_FOR_LONGER_CONNECTION_INTERVAL 0
+#define TICK_TIME 1.0/1024
 
 BLEDevice  ble;
 DigitalOut led1(LED1);
@@ -31,7 +32,14 @@
 const static char     DEVICE_NAME[]        = "CSC tracker";
 static const uint16_t uuid16_list[]        = {GattService::UUID_CYCLING_SPEED_AND_CADENCE,
                                               GattService::UUID_DEVICE_INFORMATION_SERVICE};
-static volatile bool  triggerSensorPolling = false;
+static volatile bool updateWheel = false; 
+static volatile bool updateCrank = false;
+
+static volatile uint32_t wheelCounter;
+static volatile uint16_t wheelEvent;
+static volatile uint16_t crankCounter;
+static volatile uint16_t crankEvent;
+static volatile uint16_t counter;
 
 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
 {
@@ -40,27 +48,21 @@
 
 void periodicCallback(void)
 {
-    led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
-
-    /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
-     * heavy-weight sensor polling from the main thread. */
-    triggerSensorPolling = true;
+    counter++;
 }
 
 int main(void)
 {
     led1 = 1;
     Ticker ticker;
-    ticker.attach(periodicCallback, 1); // blink LED every second
+    ticker.attach(periodicCallback, TICK_TIME); // blink LED every second
 
     ble.init();
     ble.onDisconnection(disconnectionCallback);
 
-    /* Setup primary service. */
-    uint32_t counter = 0; // init HRM to 100bps
-    uint16_t cadence = 0; // init HRM to 100bps
-    uint16_t event = 1; // init HRM to 100bps
-    CycleSpeedCadenceService speedService(ble, counter,event,cadence,event, CycleSpeedCadenceService::LOCATION_REAR_DROPOUT, false);
+    
+    
+    CycleSpeedCadenceService speedService(ble, wheelCounter,wheelEvent,crankCounter,crankEvent, CycleSpeedCadenceService::LOCATION_REAR_DROPOUT);
 
     /* Setup auxiliary service. */
     DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
@@ -77,21 +79,16 @@
     // infinite loop
     while (1) {
         // check for trigger from periodicCallback()
-        if (triggerSensorPolling && ble.getGapState().connected) {
-            triggerSensorPolling = false;
-
-            // Do blocking calls or whatever is necessary for sensor polling.
-            // In our case, we simply update the HRM measurement. 
-            counter++;
-            counter++;
-            cadence++; //ADDED TO CHECK
-            event++; //ADDED TO CHECK
+        if ((updateWheel || updateCrank) && ble.getGapState().connected) {      
             
-
-            
-            // update bps
-            speedService.updateWheel(counter,event);
-            speedService.updateCrank(cadence,event);
+            if (updateWheel){
+                speedService.updateWheel(wheelCounter,wheelCounter);
+                updateWheel=false;
+            }
+            if (updateCrank){
+                speedService.updateCrank(crankCounter,crankEvent);
+                updateCrank=false;
+            }
         } else {
             ble.waitForEvent(); // low power wait for event
         }