Revision 12:96caa9a52bb3, committed 2017-01-19

Comitter:

hmiot

Date:

Thu Jan 19 12:40:00 2017 +0000

Parent:

11:023d96b0e427

Commit message:

Central Led blinker

Changed in this revision

--- a/main.cpp	Tue Jan 12 10:49:03 2016 +0000
+++ b/main.cpp	Thu Jan 19 12:40:00 2017 +0000
@@ -18,44 +18,69 @@
 #include "ble/BLE.h"
 #include "ble/DiscoveredCharacteristic.h"
 #include "ble/DiscoveredService.h"
-
+#include "ble/Gap.h"
+static const uint16_t UNIT_1_25_MS  = 1250;
+static const uint16_t UNIT_10_MS  = 10000;
+#define MSEC_TO_UNITS(TIME, RESOLUTION) (((TIME) * 1000) / (RESOLUTION))
+#define MIN_CONNECTION_INTERVAL   MSEC_TO_UNITS(7.5, UNIT_1_25_MS)
+#define MAX_CONNECTION_INTERVAL   MSEC_TO_UNITS(30, UNIT_1_25_MS) 
+#define SLAVE_LATENCY             0                               
+#define SUPERVISION_TIMEOUT       MSEC_TO_UNITS(4000, UNIT_10_MS) 
 DigitalOut alivenessLED(LED1, 1);
 
 bool                     triggerLedCharacteristic = false;
 DiscoveredCharacteristic ledCharacteristic;
+static const Gap::ConnectionParams_t m_conn_params ={
+    (uint16_t)MIN_CONNECTION_INTERVAL,
+    (uint16_t)MAX_CONNECTION_INTERVAL,
+    (uint16_t)SLAVE_LATENCY,
+    (uint16_t)SUPERVISION_TIMEOUT
+};
 
 Ticker ticker;
-
+Serial pc(USBTX, USBRX);
 void periodicCallback(void) {
     alivenessLED = !alivenessLED; /* Do blinky on LED1 while we're waiting for BLE events */
 }
 
 void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) {
-    if (params->peerAddr[0] != 0x37) { /* !ALERT! Alter this filter to suit your device. */
+    uint8_t con_status =0;
+    Gap::GapState_t con_state;
+    if (params->peerAddr[0] != 0x2F) { /* !ALERT! Alter this filter to suit your device. */
         return;
     }
-    printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n",
+    pc.printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n",
            params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0],
            params->rssi, params->isScanResponse, params->type);
-
-    BLE::Instance().gap().connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL);
+   // con_state = BLE::Instance().gap().getState();
+    //pc.printf("Connection state : %d\r\n",con_state);
+    uint8_t count=0;
+ //   while(!con_status)
+  //  {
+        pc.printf("Count : %d",count++);
+        con_status = BLE::Instance().gap().connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, &m_conn_params, NULL);
+        pc.printf("Connection Status : %d\r\n",con_status);
+        con_state = BLE::Instance().gap().getState();
+        pc.printf("Connection state : %d\r\n",con_state);
+  //  }
+     BLE::Instance().gap().stopScan();
 }
 
 void serviceDiscoveryCallback(const DiscoveredService *service) {
     if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT) {
-        printf("S UUID-%x attrs[%u %u]\r\n", service->getUUID().getShortUUID(), service->getStartHandle(), service->getEndHandle());
+        pc.printf("S UUID-%x attrs[%u %u]\r\n", service->getUUID().getShortUUID(), service->getStartHandle(), service->getEndHandle());
     } else {
-        printf("S UUID-");
+        pc.printf("S UUID-");
         const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID();
         for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) {
             printf("%02x", longUUIDBytes[i]);
         }
-        printf(" attrs[%u %u]\r\n", service->getStartHandle(), service->getEndHandle());
+        pc.printf(" attrs[%u %u]\r\n", service->getStartHandle(), service->getEndHandle());
     }
 }
 
 void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) {
-    printf("  C UUID-%x valueAttr[%u] props[%x]\r\n", characteristicP->getUUID().getShortUUID(), characteristicP->getValueHandle(), (uint8_t)characteristicP->getProperties().broadcast());
+    pc.printf("  C UUID-%x valueAttr[%u] props[%x]\r\n", characteristicP->getUUID().getShortUUID(), characteristicP->getValueHandle(), (uint8_t)characteristicP->getProperties().broadcast());
     if (characteristicP->getUUID().getShortUUID() == 0xa001) { /* !ALERT! Alter this filter to suit your device. */
         ledCharacteristic        = *characteristicP;
         triggerLedCharacteristic = true;
@@ -63,10 +88,11 @@
 }
 
 void discoveryTerminationCallback(Gap::Handle_t connectionHandle) {
-    printf("terminated SD for handle %u\r\n", connectionHandle);
+    pc.printf("terminated SD for handle %u\r\n", connectionHandle);
 }
 
 void connectionCallback(const Gap::ConnectionCallbackParams_t *params) {
+    pc.printf("Connection Callback\n\r");
     if (params->role == Gap::CENTRAL) {
         BLE::Instance().gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback);
         BLE::Instance().gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, 0xa000, 0xa001);
@@ -80,7 +106,7 @@
         for (unsigned index = 0; index < response->len; index++) {
             printf("%c[%02x]", response->data[index], response->data[index]);
         }
-        printf("\r\n");
+        pc.printf("\r\n");
 #endif
 
         uint8_t toggledValue = response->data[0] ^ 0x1;
@@ -95,7 +121,7 @@
 }
 
 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) {
-    printf("disconnected\r\n");
+    pc.printf("disconnected\r\n");
 }
 
 /**
@@ -120,6 +146,7 @@
         return;
     }
 
+    pc.printf("Ble Init\n\r");
     /* Ensure that it is the default instance of BLE */
     if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
         return;
@@ -137,9 +164,14 @@
 
 int main(void) {
     ticker.attach(periodicCallback, 1);
-
+    pc.baud(9600);
+    wait(8.0);
+    pc.printf("Start\n\r");
     BLE &ble = BLE::Instance();
+    
+    
     ble.init(bleInitComplete);
+    ble.gap().setDeviceName("Samy");
 
     /* SpinWait for initialization to complete. This is necessary because the
      * BLE object is used in the main loop below. */