Revision 2:fb75a6c7a0de, committed 2018-04-30

Comitter:

imomoh

Date:

Mon Apr 30 06:12:01 2018 +0000

Parent:

1:5be2682710c6

Commit message:

first commit

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HCSR04.lib	Mon Apr 30 06:12:01 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/TVZ-Mechatronics-Team/code/HCSR04/#cf3e4e307d15

--- a/main.cpp	Wed Jan 19 23:53:19 2011 +0000
+++ b/main.cpp	Mon Apr 30 06:12:01 2018 +0000
@@ -1,75 +1,186 @@
+/*******************************************************************************
+ECE 595 2018 Spring
+Project 2
+Group 10
+last Update 4/22/2018 
+memo:   
+*******************************************************************************/
+
 #include "mbed.h"
 #include "nRF24L01P.h"
-
+#include "HCSR04.h"
+ 
 Serial pc(USBTX, USBRX); // tx, rx
 
-nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10);    // mosi, miso, sck, csn, ce, irq
+//nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTC4, PTC12);    // mosi, miso, sck, csn, ce, irq
+nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTC3, PTC4, PTD0); 
+DigitalOut myled1(LED_GREEN);
+DigitalOut myled2(LED_RED);
+
+
+DigitalIn soundDete(D8);
+DigitalIn touch(D4);
+DigitalOut buzzer(D3);
+DigitalOut Picamera(D2);
 
-DigitalOut myled1(LED1);
-DigitalOut myled2(LED2);
+Timer timer;
+HCSR04 rangeFinder(D5, D6);
 
+float range;
+float tooClose=10;
+int warning = 0;
+int newevent =0;
+
+
+
+
+void blink(),takePic(),detectedsound(),checkrange(),shutter();
 int main() {
-
+ 
 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
 //  "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
 //  only handles 4 byte transfers in the ATMega code.
 #define TRANSFER_SIZE   4
-
+ 
     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.setTransmitMode();
     my_nrf24l01p.enable();
-
+ 
     while (1) {
-
+ 
+       pc.printf("init\n\r");
+        Picamera = 1;
+        detectedsound();
+        checkrange();
+        if ( newevent != 1){
+            shutter();
+        }
+        if ( warning == 1 ){
+            blink();
+            if ( newevent == 1){
+                takePic();
+                
+                newevent =0;
+            }
+        }           
+     
+ 
+ 
+ 
         // If we've received anything over the host serial link...
-        if ( pc.readable() ) {
-
+        if ( warning == 1 ) {
+ 
             // ...add it to the transmit buffer
-            txData[txDataCnt++] = pc.getc();
-
+            txData[txDataCnt++] = 'w';
+            txData[txDataCnt++] = 'w';
+            txData[txDataCnt++] = 'w';
+            txData[txDataCnt++] = 'w';
             // If the transmit buffer is full
             if ( txDataCnt >= sizeof( txData ) ) {
-
+ 
                 // Send the transmitbuffer via the nRF24L01+
+                pc.printf("message sent");
                 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
-
+ 
                 txDataCnt = 0;
             }
-
+ 
             // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
             myled1 = !myled1;
-        }
-
-        // 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] );
+        }else{
+        // ...send safe messages 
+            txData[txDataCnt++] = 's';
+            txData[txDataCnt++] = 's';
+            txData[txDataCnt++] = 's';
+            txData[txDataCnt++] = 's';
+            // If the transmit buffer is full
+            if ( txDataCnt >= sizeof( txData ) ) {
+ 
+                // Send the transmitbuffer via the nRF24L01+
+                pc.printf("message sent");
+                my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
+ 
+                txDataCnt = 0;
             }
-
-            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
-            myled2 = !myled2;
         }
     }
 }
+
+
+
+
+void blink(){
+     pc.printf("blink\n\r");
+     buzzer = 1;
+     wait(.3);
+     buzzer = 0;
+     }
+     
+void takePic(){
+     pc.printf("take photo\n\r");
+     Picamera = 0;     //0 to take pic  
+     wait(.5);
+     Picamera = 1;     //1 not take pic
+     pc.printf("finish take photo\n\r");
+     }
+
+void detectedsound(){
+     pc.printf("detecte sound\n\r");
+     if( soundDete == 1){
+         if(warning == 0){
+            pc.printf("sound too high\n\r");
+            warning = 1;
+            newevent = 1;
+            }
+         }
+    }
+     
+void checkrange(){
+        pc.printf("start check range\n\r");
+        timer.reset();
+        timer.start();
+        rangeFinder.startMeasurement();
+        while(!rangeFinder.isNewDataReady()){
+            }
+        range = rangeFinder.getDistance_cm();
+        pc.printf("range = %5.1f cm\n\r", range);
+        if ( range < tooClose ){
+            pc.printf("too close\n\r");
+            if(warning == 0){
+               warning = 1;
+               newevent = 1;
+               }
+            }
+        else{
+            if (soundDete == 0 & range>=tooClose){
+                pc.printf("not too close, clear warning\n\r");
+                warning = 0;
+                }
+            }
+        timer.stop();
+        wait_ms(500-timer.read_ms());     
+}
+
+void  shutter()
+    {
+    if ( touch == 1){
+        pc.printf("shutter\n\r");
+        takePic();
+        }
+    }

--- a/mbed.bld	Wed Jan 19 23:53:19 2011 +0000
+++ b/mbed.bld	Mon Apr 30 06:12:01 2018 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e
+https://os.mbed.com/users/mbed_official/code/mbed/builds/994bdf8177cb
\ No newline at end of file