Revision 7:89c9abaa257e, committed 2017-07-19

Comitter:

jurica238814

Date:

Wed Jul 19 12:48:14 2017 +0000

Parent:

4:331dddea780e

Child:

12:6b072c2a061c

Commit message:

Short sleep time mechanism added.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8452.lib	Wed Jul 19 12:48:14 2017 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/jurica238814/code/MMA8452/#bda670d7a481

--- a/main.cpp	Wed Jul 19 11:17:48 2017 +0000
+++ b/main.cpp	Wed Jul 19 12:48:14 2017 +0000
@@ -11,18 +11,21 @@
 #include "GapAdvertisingData.h"
 #include "acd52832_bsp.h"
 
-#define SLEEP_TIME      (0.85)      // Sleep time in seconds WAS 0.85
-#define AWAKE_TIME      (0.15)      // Was 0.15
-#define BUZZER          (p31)
+#define SLEEP_TIME              (5.0)      // Sleep time in seconds
+#define SHORT_SLEEP_TIME        (0.5)      // Shorter sleep time (s) 
+#define SHORT_SLEEP_TIME_PERIOD (60)       // Time after a last scanned advertisment. In the period, sleep time is SHORT_SLEEP_TIME
+#define AWAKE_TIME              (0.25)     // Was 0.15 -> Was not enough
+#define BUZZER                  (p31)
 
 /* Static constants for the BLE example */
 #define MAX_BLE_PACKET_SIZE (31)
 #define MSD_SIZE            (18)
 #define MSD_ID              (0xFF)
-#define BUZZ_TIME           (1.0)   // Buzz time in s
+#define BUZZ_TIME           (2.0)   // Buzz time in s
 
 
 bool SLEEP = true;
+uint8_t tempSleepTime = SLEEP_TIME;
 int8_t txPower = 4;
 uint8_t MSD[MSD_SIZE] = {0x59, 0x00, 0xE1, 0x61, 0x35, 0xBA, 0xC0, 0xEC, 0x47, 0x2A, 0x98, 0x00, 0xAF, 0x18, 0x43, 0xFF, 0x05, 0x00};
 uint8_t my_mac_address[6] = {};
@@ -32,6 +35,7 @@
 
 Ticker WakeSleepT;
 Ticker turnBuzzOffT;
+Ticker sleepChanger;
 PwmOut buzzer(BUZZER);
 BLE &ble = BLE::Instance();
 
@@ -40,14 +44,6 @@
     BLE::Instance().gap().startAdvertising();
 }
 
-/**
- *  The function is called when ticker generates interrupt
- */
-void turnBuzzOff(void){
-    buzzer.write(0.0F);
-    turnBuzzOffT.detach();
-    WakeSleepT.attach(goToSleep, AWAKE_TIME);
-}
 
 /**
  * This function is called when the ble initialization process has failed
@@ -141,6 +137,23 @@
     }
 }
 
+/* Call this function few minutes (TBD) after a last scanned advertisment */
+void changeSleepTime(){
+    tempSleepTime = SLEEP_TIME;    
+    sleepChanger.detach();
+}
+
+/**
+ *  The function is called when ticker generates interrupt
+ */
+void turnBuzzOff(void){
+    buzzer.write(0.0F);
+    tempSleepTime = SHORT_SLEEP_TIME;
+    turnBuzzOffT.detach();
+    WakeSleepT.attach(goToSleep, AWAKE_TIME);
+    sleepChanger.attach(changeSleepTime, SHORT_SLEEP_TIME_PERIOD);
+}
+
 void WakeMeUp(){
     WakeSleepT.detach();
     WakeSleepT.attach(goToSleep, AWAKE_TIME);
@@ -152,7 +165,7 @@
 
 void goToSleep(){
     WakeSleepT.detach();
-    WakeSleepT.attach(WakeMeUp, SLEEP_TIME);
+    WakeSleepT.attach(WakeMeUp, tempSleepTime);
     
     ble.gap().stopAdvertising();
     ble.gap().stopScan();
@@ -168,7 +181,7 @@
     ble.gap().setScanParams(100, 100);
     ble.gap().startScan(advertisementCallback);
     
-    buzzer.period(0.001F);
+    buzzer.period(0.0009F);
     buzzer.write(0.0F);
     
     __enable_irq();