Diff: main.cpp

Revision:

13:aa620707126d

Parent:

12:9ac5be447764

Child:

14:e6686a44db84

diff -r 9ac5be447764 -r aa620707126d main.cpp
--- a/main.cpp	Mon May 08 12:51:00 2017 +0000
+++ b/main.cpp	Mon May 08 13:15:35 2017 +0000
@@ -14,6 +14,17 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
 #include "ARNSRS_SENSORS.h"
+#include "ble/BLE.h"
+ 
+#include "ble/services/UARTService.h"
+#include <string>
+
+//Ecrit dans le moniteur série de l'ordi à 9600 bds
+#define DEBUG(...) { printf(__VA_ARGS__); }
+
+//Init BLE
+BLEDevice  ble;
+UARTService *uartServicePtr;
 
 //Init de la lib ARNSRS;
 ARNSRS arnsrs;
@@ -40,6 +51,47 @@
 char fileName[32];
 int points = 1;
 
+//Fonction pour créer et envoyer la chaine d'in en BLE
+void build_send_Message(int co2, int ppo2, float press){
+    char buf[50];        
+    sprintf(buf,"%d %d %f\r\n", ppo2, co2, press);
+    uartServicePtr->writeString(buf);      
+    }
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    DEBUG("Disconnected!\n\r");
+    DEBUG("Restarting the advertising process\n\r");
+    ble.startAdvertising();
+}
+
+void onDataWritten(const GattWriteCallbackParams *params)
+{
+    if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) {
+        uint16_t bytesRead = params->len;
+        
+        // chaine reçue de l'app android (à dimensionner selon besoin)        
+        char commande [bytesRead] ; 
+        
+        // conversion de la commande uint8_t en chaine pour permettre comparaison avec commandes connues
+        for (int j=0;j<bytesRead;j++) {
+        commande [j] = (*((params->data)+j));
+        }
+                
+        DEBUG("received %u bytes => ", bytesRead);
+        DEBUG("commande recue -%s-\r\n",commande);
+        DEBUG ( "comparaison a commande 'p' vaut %d\r\n",strcmp(commande, "p"));
+        DEBUG ( "comparaison a commande 'o' vaut %d\r\n",strcmp(commande, "o"));
+        DEBUG ( "comparaison a commande 'c' vaut %d\r\n",strcmp(commande, "c"));
+        
+        
+        DEBUG("Tous les capteurs = %d %d %d\r\n", ppO2, co2, pression);
+        build_send_Message(ppO2, co2, pression);
+            
+       } 
+    
+}
+    
 //Fonction qui change le nom du fichier ouvert pour le LOG
 FILE *nextLogFile(void)
 {
@@ -115,6 +167,30 @@
 {
     setup();
 
+DEBUG("Initialising....\n\r");
+    ble.init();
+    ble.onDisconnection(disconnectionCallback);
+    ble.onDataWritten(onDataWritten);
+ 
+    /* setup advertising */
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
+    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
+                                     (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
+                                     (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
+ 
+    ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */
+    ble.startAdvertising();
+ 
+    UARTService uartService(ble);
+    uartServicePtr = &uartService;
+    
+    while (true) {
+        
+    ble.waitForEvent();
+    
+    
     while (1) {
 
         wait(2);
@@ -151,4 +227,6 @@
         DATA_LOG();
                
     }
+    
+    }
 }