Diff: main.cpp

Revision:

1:51a5cfbfd25c

Parent:

0:05989ea2d008

--- a/main.cpp	Fri Jun 12 08:57:26 2015 +0000
+++ b/main.cpp	Fri Jun 12 13:46:53 2015 +0000
@@ -1,5 +1,8 @@
 #include "mbed.h"
 #include "rtos.h"
+#include "NRF2401P.h"
+
+Serial pc(USBTX, USBRX); // tx, rx
 
 /*Program to open locker when a signal level (lock) is sent in from an external controller. 
 System is split into threads so main loop can run even when waiting in door unlock function.
@@ -11,6 +14,8 @@
 /*function definitions*/
 void unlock (void const *args);           //function statement to unlock door,
 
+void battcomms (void const *args);        //function statement to communicate with battery
+
 /*set pins*/
 DigitalOut latch(D0);       //signal out to open door
 DigitalIn lock(D1);       //signal in from interface to unlock door
@@ -37,7 +42,7 @@
     latch = 1;          //solenoid initially locked
     
     Thread Tunlock(unlock);     //set up unlock function as a thread, thread should not run while unlockflag ==0
-
+    Thread Tbattcomms(battcomms);   //set up battcomms as a thread
 
     //main loop that runs forever, checking for external flags and if door open/closed and to fire off alarm(status thread)
     while(true) 
@@ -71,6 +76,8 @@
     }
 }
 
+
+
 /*function to unlock door to be called in thread. Note time limit on solenoid open to prevent overheating
 (should put spring to force door open once unlocked) unlock protocol thread*/
 void unlock (void const *args)
@@ -109,3 +116,36 @@
         }    
     }
 }
+
+/*battery communication function to be called in thread*/
+void battcomms (void const *args)
+{
+    
+    long long addr1=0xAB12CD; // setup address - any 5 byte number - same as TX
+    int channel =52;  // [0-126] setup channel, must be same as TX
+    bool txOK;
+    char msg[32];
+    char ackData[32];
+    char len;
+    
+    // Setup 
+    NRF2401P nrf1(PTD2,PTD3, PTD1,PTA13, PTD0); //pins on mosi, miso, sclk, csn, ce)
+    
+    nrf1.quickRxSetup(channel, addr1); // sets nrf24l01+ as  receiver, using pipe 1
+    while(true)
+    {
+
+        // receive
+        pc.printf("Waiting for Data ...\r\n");
+        while (! nrf1.isRxData()); // note this blocks until RX data
+        len= nrf1.getRxData(msg); // gets the message, len is length of msg
+        msg[len] = '\0';
+        pc.printf("Received %d bytes: %s\r\n",len, msg);
+        // set ack data
+        sprintf(ackData,"HELLO");
+        nrf1.acknowledgeData(ackData, strlen(ackData),1); // ack for pipe 1
+        pc.printf("Sent HELLO\r\n");
+        
+        wait(0.1);
+    }    
+}    
\ No newline at end of file