Geo beacon for VF.
Dependencies: MMA8452 aconno_bsp adc52832_common
Diff: main.cpp
- Revision:
- 12:6b072c2a061c
- Parent:
- 11:92a9fffd5015
- Parent:
- 7:89c9abaa257e
- Child:
- 13:d51127eed926
--- a/main.cpp Tue Jul 25 11:29:01 2017 +0000
+++ b/main.cpp Tue Jul 25 12:19:39 2017 +0000
@@ -2,7 +2,7 @@
*
* Made by Jurica Resetar @ aconno
* aconno.de
- * All rights reserved
+ * All rights reserved.
*
*/
@@ -20,16 +20,21 @@
#define SCAN_TIMER_TIME (0.5) // Scanning time (in s)
#define FREE_TIME (0.01) // Time between end of a scanning and sleep mode
#define AWAKE_TIME (ADV_TIMER_TIME+SCAN_TIMER_TIME+FREE_TIME) // Was 0.15
+#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
+
/* 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 ADV_INTERVAL (100) // Advertising interval (in ms)
#define SCAN_INTERVAL (100) // Scan interval (in ms)
#define SCAN_WINDOW (50)
+
/* Static constants for the accelerometer */
#define WHO_AM_I 0x0D // Type 'read' : This should return the device id of 0x2A
#define OUT_Z_MSB 0x05 // Type 'read' : z axis - 8 most significatn bit of a 12 bit sample
@@ -39,6 +44,7 @@
#define BUZZER (p31)
uint8_t sleepFlag = 0;
+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] = {};
@@ -59,6 +65,7 @@
Ticker WakeSleepT;
Ticker turnBuzzOffT;
+Ticker sleepChanger;
PwmOut buzzer(BUZZER);
PwmOut gyro_power(p7);
PwmOut i2c_power(p5); // I2C Pull-ups power pin
@@ -81,6 +88,7 @@
//BLE::Instance().gap().startAdvertising();
}
+
/**
* This function is called when the ble initialization process has failed
*/
@@ -175,14 +183,24 @@
}
}
+
+/* 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();
ble.gap().startScan(advertisementCallback);
WakeSleepT.attach(goToSleep, AWAKE_TIME);
+ sleepChanger.attach(changeSleepTime, SHORT_SLEEP_TIME_PERIOD);
}
void startAdvertising(){
@@ -239,7 +257,7 @@
void goToSleep(){
WakeSleepT.detach();
- WakeSleepT.attach(WakeMeUp, SLEEP_TIME);
+ WakeSleepT.attach(WakeMeUp, tempSleepTime);
ble.gap().stopAdvertising();
ble.gap().stopScan();
sleepFlag = 1;
@@ -278,7 +296,7 @@
//ble.gap().setScanTimeout(0.5);
//ble.gap().startScan(advertisementCallback);
- buzzer.period(0.001F);
+ buzzer.period(0.0009F);
buzzer.write(0.0F);
gyro_power.period(0.01F);
gyro_power.write(1.0F);

