Diff: mian.cpp

Revision:

0:e8f4e84196c5

Child:

1:fca5426ac19e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mian.cpp	Sun Apr 22 20:18:52 2018 +0000
@@ -0,0 +1,178 @@
+/*******************************************************************************
+ECE 595 2018 Spring
+Project 2
+Group 10
+last Update 4/22/2018 
+memo:   
+*******************************************************************************/
+
+#include "mbed.h"
+#include "HCSR04.h"
+#include "nRF24L01P.h"
+
+
+
+#define PIN_TRIGGER    (D10)
+#define PIN_ECHO       (D9)
+#define PIN_PICTURE    (D7)
+
+#define TRANSFER_SIZE   4
+
+//rf reciever module setting 
+nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTC4, PTC12);    // mosi, miso, sck, csn, ce, irq
+
+DigitalOut myled1(LED_GREEN);
+DigitalOut myled2(LED_RED);
+
+
+
+HCSR04 rangeFinder(PIN_TRIGGER, PIN_ECHO);
+DigitalOut buzzer(D2);
+DigitalIn soundDete(D8);
+DigitalIn touch(D4);
+DigitalOut Picamera(PIN_PICTURE);
+Serial pc(USBTX,USBRX);
+
+float range;
+float tooClose=0.3;
+int warning = 0;
+int newevent =0;
+
+void blink(){
+     buzzer = 1;
+     wait(.3);
+     buzzer = 0;
+     }
+     
+void takePic(){
+     Picamera = 1;       
+     wait(.5);
+     Picamera = 0;
+     pc.printf("takephoto\n\r");
+     }
+
+void detectedsound(){
+     if( soundDete == 1){
+         if(warning == 0){
+            warning = 1;
+            newevent = 1;
+            }
+         }
+         }
+     
+void checkrange(){
+        rangeFinder.startMeas();
+        wait(0.1);
+        if ( rangeFinder.getMeas(range) == RANGE_MEAS_VALID )
+        {
+            if ( range < tooClose ){
+                if(warning == 0){
+                    warning = 1;
+                    newevent = 1;
+                    }
+                }
+            else{
+                if (soundDete == 0){
+                    warning = 0;
+                    }
+                }   
+        }
+}
+
+void  shutter()
+{
+    if ( touch == 1){
+        takePic();
+        }
+}
+
+int main() 
+{   
+
+
+    char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
+    int txDataCnt = 0;
+    int rxDataCnt = 0;
+
+    my_nrf24l01p.powerUp();
+
+    // Display the (default) setup of the nRF24L01+ chip
+    pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
+    pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
+    pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
+    pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
+    pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
+
+    pc.printf( "Type keys to test transfers:\r\n  (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
+
+    my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
+
+    my_nrf24l01p.setReceiveMode();
+    my_nrf24l01p.enable();
+    
+    
+    
+    while (1)
+    {
+        pc.printf("init\n\r");
+        detectedsound();
+        checkrange();
+        if ( warning == 1 ){
+            blink();
+            if ( newevent == 1){
+                takePic();
+                newevent =0;
+                }
+            else{
+                shutter();
+                }
+            }
+        
+        
+            //this is for the transmission part of the code 
+        // If we've received anything over the host serial link...
+        if ( pc.readable() ) {
+
+            // ...add it to the transmit buffer
+         
+         if (warning == 1){
+          txData[txDataCnt++]= 'W';
+           }
+            // If the transmit buffer is full
+            if ( txDataCnt >= sizeof( txData ) ) {
+
+                // Send the transmitbuffer via the nRF24L01+
+                my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
+
+                txDataCnt = 0;
+            }
+
+            // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
+            myled1 = !myled1;
+        }
+        
+            
+         ////this is for the recieving part of the code  part of the code 
+        // If we've received anything in the nRF24L01+...
+        if ( my_nrf24l01p.readable() ) {
+
+            // ...read the data into the receive buffer
+            rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
+
+            // Display the receive buffer contents via the host serial link
+            for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
+
+                pc.putc( rxData[i] );   
+            }
+
+            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
+            myled2 = !myled2;
+        }
+    
+    
+    
+    
+       
+            
+    }
+}      
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