Geo beacon for VF.

Dependencies:   MMA8452 aconno_bsp adc52832_common

Revision:
19:abf14a5ada93
Parent:
18:e844d3e6ab88
Child:
20:d534b9c18482
Child:
21:10c3b8176be0
--- a/main.cpp	Fri Aug 11 12:08:24 2017 +0000
+++ b/main.cpp	Tue Aug 22 07:35:03 2017 +0000
@@ -14,19 +14,20 @@
 #include "AckService.h"
 #include "nrf52_uart.h"
 
-#define DEBUG               (1)
+#define DEBUG               (0)
 #define DEBUG_ACC           (0)
 #define PRINT               (0)
 #define DEBUG_MAC           (0)
 #define DEBUG_CONNECTION    (0)
+#define USE_ACC             (0)
 
-#define SLEEP_TIME_S              (1.0)           /* Sleep time in seconds WAS 0.85 */
-#define ADV_TIMER_TIME_S          (3.0)           /* Advertising time (in s) */
-#define SCAN_TIMER_TIME_S         (1.0)           /* Scanning time (in s) */
+#define SLEEP_TIME_S              (3.0)           /* Sleep time (in s)          */
+#define ADV_TIMER_TIME_S          (3.0)           /* Advertising time (in s)    */
+#define SCAN_TIMER_TIME_S         (1.0)           /* Scanning time (in s)       */
 #define FREE_TIME_S               (0.1)           /* Time between end of a scanning and sleep mode */
 #define AWAKE_TIME_S              (ADV_TIMER_TIME_S+SCAN_TIMER_TIME_S+FREE_TIME_S)      /* Was 0.15 */
-#define SHORT_SLEEP_TIME_S        (0.5)       /* Shorter sleep time (s) */
-#define SHORT_SLEEP_TIME_PERIOD_S (10)        /* Time after a last scanned advertisment. In the period, sleep time is SHORT_SLEEP_TIME */
+#define SHORT_SLEEP_TIME_S        (0.5)           /* Shorter sleep time (s) */
+#define SHORT_SLEEP_TIME_PERIOD_S (10)            /* Time after a last scanned advertisment. In the period, sleep time is SHORT_SLEEP_TIME */
 #define MAC_SIZE_B                (6)
 
 /* Static constants for the BLE example */
@@ -84,17 +85,19 @@
 Ticker turnBuzzOffT;
 Ticker sleepChanger;
 PwmOut buzzer(BUZZER);
-PwmOut gyro_power(p7);
-PwmOut i2c_power(p5);     /* I2C Pull-ups power pin */
-InterruptIn gyro_pulse(INT2_PIN);
+#if USE_ACC
+    DigitalOut accPower(p7);
+    DigitalOut i2cPower(p5);
+    InterruptIn accPulse(INT2_PIN);
+#endif
 Acc_MMA8452 acc(I2C_DATA, I2C_CLK, MMA8452_ADDRESS);
 BLE &ble = BLE::Instance();
 ACKService<4> *ackServicePtr;
 
 #if DEBUG || DEBUG_MAC
-    DigitalOut advLED(p22);     // Red
-    DigitalOut scanLED(p23);    // Blue
-    DigitalOut connectedLED(p24);  // Green
+    DigitalOut advLED(p22);         // Red
+    DigitalOut scanLED(p23);        // Blue
+    DigitalOut connectedLED(p24);   // Green
 #endif
 
 #if DEBUG_ACC
@@ -221,8 +224,6 @@
     
     
     /* setup advertising */
-    //ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
-    //ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);    
     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)msd, MSD_SIZE);
     ble.gap().setAdvertisingInterval(ADV_INTERVAL);  // --> Has to be at least 100ms!
     //ble.gap().startAdvertising();
@@ -294,7 +295,7 @@
  *  Function is called when BLE radio discovers any kind of advertisment 
  */
 void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params){
-    uint8_t msdOffset, i;
+    uint8_t msdOffset;
                     
     msdOffset = findMSDIndex(params);       // Should be 1 or 4
     if(msdOffset == 0){
@@ -304,13 +305,6 @@
         // Follows Manufacturer Specific Data
         if ((params->advertisingData[msdOffset+1]) == 0x59){
             if ((params->advertisingData[msdOffset+2]) == 0x00){
-                /*
-                for(i=0; i<6; i++){
-                    if((params->advertisingData[msdOffset+i+3]) != myMacAddress[5-i]){
-                        return;
-                    }
-                }
-                */
                 if(CheckMac(params, myMacAddress, msdOffset)){
                     //ble.gap().stopScan();
                     buzzer.period(0.0009F);
@@ -338,6 +332,9 @@
 void TurnBuzzOff(void){
     buzzer.period(0.00F);
     buzzer.write(0.0F);
+    NRF_PWM0->TASKS_STOP = 1;
+    NRF_PWM1->TASKS_STOP = 1;
+    NRF_PWM2->TASKS_STOP = 1;
     tempSleepTime = SHORT_SLEEP_TIME_S;
     turnBuzzOffT.detach();
     WakeSleepT.detach();
@@ -346,6 +343,12 @@
 }
 
 void startAdvertising(){
+    NRF_PWM0->TASKS_SEQSTART[0] = 1;
+    #if USE_ACC
+        i2cPower = 1;
+    #endif
+    wait_ms(10);
+    
     if(shushShush){
         // Do not advertise! Go to sleep
         WakeSleepT.detach();
@@ -356,6 +359,9 @@
         ble.gap().startAdvertising();
         buzzer.period(0.00F);
         buzzer.write(0.0F);
+        NRF_PWM0->TASKS_STOP = 1;
+        NRF_PWM1->TASKS_STOP = 1;
+        NRF_PWM2->TASKS_STOP = 1;
         #if DEBUG
             advLED = 0;
             scanLED = 1;
@@ -370,6 +376,11 @@
     ble.gap().setScanParams(SCAN_INTERVAL, SCAN_WINDOW);
     ble.gap().setScanTimeout(SCAN_TIMER_TIME_S);
     ble.gap().startScan(advertisementCallback);
+    buzzer.period(0.00F);
+    buzzer.write(0.0F);
+    NRF_PWM0->TASKS_STOP = 1;
+    NRF_PWM1->TASKS_STOP = 1;
+    NRF_PWM2->TASKS_STOP = 1;
     #if DEBUG
         advLED = 1;
         scanLED = 0;
@@ -405,6 +416,9 @@
 void GoToSleep(){
     buzzer.period(0.00F);
     buzzer.write(0.0f);
+    NRF_PWM0->TASKS_STOP = 1;
+    NRF_PWM1->TASKS_STOP = 1;
+    NRF_PWM2->TASKS_STOP = 1;
     WakeSleepT.detach();
     WakeSleepT.attach(WakeMeUp, tempSleepTime);
     ble.gap().stopAdvertising();
@@ -416,18 +430,15 @@
     #endif
 }
 
-
-void pulse_handler(void){
+#if USE_ACC
+    void pulse_handler(void){
         #if DEBUG_ACC
             int_led = !int_led;
         #endif
-        i2c_power.write(1.0F);
         buzzer.period(0.0009F);
         buzzer.write(0.5f);
-        // Be awake some time
-        WakeSleepT.detach();
-        WakeSleepT.attach(GoToSleep, AWAKE_TIME_S);
-}
+    }
+#endif
 
 int main(void){   
     #if DEBUG || DEBUG_MAC
@@ -438,10 +449,10 @@
     
     buzzer.period(0.0009F);
     buzzer.write(0.0F);
-    gyro_power.period(0.01F);
-    gyro_power.write(1.0F);
-    i2c_power.period(0.01F);
-    i2c_power.write(1.0F);
+    #if USE_ACC
+        accPower = 1;
+        i2cPower = 1;
+    #endif
     
     #if PRINT
         int i;
@@ -459,39 +470,57 @@
     ble.gap().setTxPower(txPower);
     GapAdvertisingData postavke = GapAdvertisingData();
     
-    wait_ms(1000);
+    #if USE_ACC
+        // Pulse interrupt detection
+        acc.set_register((char)CTRL_REG_4, (char) 0x04);        //  INT_EN_FF_MT Freefall/motion interrupt enabled
+        wait_ms(1);
+        acc.set_register((char)FF_MT_CFG, (char) 0b01011000);   //ELE, Motion Flag ON, YEFE, X Event Flag Enable
+        wait_ms(1);        
+        acc.set_register((char)CTRL_REG_5, (char) 0x00);        // INT_EN_FF_MT interrupt is router t0 INT2
+        wait_ms(1);
+        acc.set_register((char)FF_COUNT, (char) 0x08);          // Set Counter degister value (10ms)
+        wait_ms(1);
+        acc.set_register((char)FF_MT_THS, (char) 0x90);         // Set TH value for motion detection on 1 G (1/0.063) and DBCNTM = 1 (Increments or clears counter)
+        wait_ms(1);
+                
+        // Setup for the interrupt handler
+        accPulse.rise(&pulse_handler);                                                                                //  -------------------------------------
+        acc.set_register((char)CTRL_REG_1, (char) 0x01);        // Flow data rate and Active mode           
+        wait(1);
+    #endif
     
-    /* Pulse interrupt detection */
-    acc.set_register((char)CTRL_REG_4, (char) 0x04);        //  INT_EN_FF_MT Freefall/motion interrupt enabled
-    wait_ms(1);
-    acc.set_register((char)FF_MT_CFG, (char) 0b01011000);   //ELE, Motion Flag ON, YEFE, X Event Flag Enable
-    wait_ms(1);        
-    acc.set_register((char)CTRL_REG_5, (char) 0x00);        // INT_EN_FF_MT interrupt is router t0 INT2
-    wait_ms(1);
-    acc.set_register((char)FF_COUNT, (char) 0x08);          // Set Counter degister value (10ms)
-    wait_ms(1);
-    acc.set_register((char)FF_MT_THS, (char) 0x90);         // Set TH value for motion detection on 1 G (1/0.063) and DBCNTM = 1 (Increments or clears counter)
-    wait_ms(1);
-            
-    /* Setup for the interrupt handler */
-    //gyro_pulse.rise(&pulse_handler);                                                                                //  -------------------------------------
-    //acc.set_register((char)CTRL_REG_1, (char) 0x01);        // Flow data rate and Active mode           
-    //wait(1);
     __enable_irq();
     
-    /* SpinWait for initialization to complete. This is necessary because the
-     * BLE object is used in the main loop below. */
+    /* SpinWait for initialization to complete. This is necessary because the BLE object is used in the main loop below. */
     while (ble.hasInitialized()  == false){
          /* spin loop */ 
     }
         
     while(true){
         if(sleepFlag){
-            //if(!advLED) advLED = 1;
+            NRF_GPIO->PIN_CNF[31] = 0x00000003;
+            NRF_PWM0->TASKS_STOP = 1;
+            NRF_PWM1->TASKS_STOP = 1;
+            NRF_PWM2->TASKS_STOP = 1;
+            NRF_PPI->TASKS_CHG[0].DIS = 1;
+            NRF_PPI->TASKS_CHG[1].DIS = 1;
+            NRF_PPI->TASKS_CHG[2].DIS = 1;
+            NRF_PPI->TASKS_CHG[3].DIS = 1;
+            NRF_PPI->TASKS_CHG[4].DIS = 1;
+            NRF_GPIOTE->TASKS_CLR[0] = 1;
+            NRF_GPIOTE->TASKS_CLR[1] = 1;
+            NRF_GPIOTE->TASKS_CLR[2] = 1;
+            NRF_GPIOTE->TASKS_CLR[3] = 1;
+            NRF_GPIOTE->TASKS_CLR[4] = 1;
+            NRF_GPIOTE->TASKS_CLR[5] = 1;
+            NRF_GPIOTE->TASKS_CLR[6] = 1;
+            NRF_GPIOTE->TASKS_CLR[7] = 1;
+            #if USE_ACC
+                i2cPower = 0;
+            #endif
             __WFI();
         }
         else{
-            //if(advLED) advLED = 0;
             ble.waitForEvent();
         }
     }