Diff: main.cpp

Revision:

0:734a54fe523f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 30 14:08:44 2016 +0000
@@ -0,0 +1,159 @@
+#include "mbed.h"
+#include <time.h>
+#include <stdlib.h>
+#include <RF22.h>
+#include <RF22ReliableDatagram.h>
+//#include "SDFileSystem.h"
+
+// Sample programm for ReliableDatagramm Sending
+// Uses address 1 and sends to RF22 with address 2
+// See notebook http://mbed.org/users/charly/notebook/rfm22/ for connecting RFM22 to mbed
+
+int check_sw3();
+int init();
+void affichage(uint8_t val);
+void send_loop();
+
+Serial pc(USBTX, USBRX);
+ 
+RF22ReliableDatagram rf22(0,D10,D11,D12,D13,D2);
+
+DigitalOut led_red(LED_RED);
+DigitalOut led_green(LED_GREEN);
+
+DigitalIn sw3(SW3);
+ 
+float frequency = 869.85;           // frequency 
+ 
+const uint8_t sender_adress = 1;        // address of sender
+const uint8_t receiver_adress = 2;       // address of receiver
+ 
+int counter = 0;                      // message counter
+
+int check_sw3(void)
+{
+    if (sw3 == 0) 
+    {
+        printf("SW3 button pressed. \n");
+        return 1;
+    } else return 0;
+}
+
+int init()
+{
+    // initialize the device
+    if (!rf22.init())
+    {
+        pc.printf("RF22 init failed\n\r");
+        return 1;
+    }
+    // set to 19.2
+    if (!rf22.setModemConfig(RF22::OOK_Rb9_6Bw335))
+    {
+        pc.printf("setModemConfig failed");
+        return 1;
+    }
+    if (!rf22.setFrequency(frequency))
+    {
+        pc.printf("setFrequency failed");
+        return 1;
+    }
+    rf22.setTxPower(RF22_TXPOW_8DBM);
+        
+    rf22.setModeTx(); 
+    
+    pc.printf("I am sending with address %i to adress %i ...\n\r",sender_adress,receiver_adress  );
+    rf22.setThisAddress(sender_adress);     // sender-adress
+    
+    return 0;
+
+}
+    
+
+void affichage(uint8_t val)
+{
+    uint8_t mask;
+    mask = 0x80;
+    int i;
+    
+    for(i=0 ; i<8 ; i++)
+    {
+        if((val & mask) == 0) pc.printf("0");
+        else pc.printf("1");
+        mask = mask >> 1;
+    }
+}
+ 
+// send messages
+void send_loop(){
+    
+    led_green = 0;
+    led_red = 1;
+    
+    uint8_t data[32] = "";
+    
+    uint8_t tab1;
+        
+    int value1;
+    
+    srand(time(NULL));
+    value1 = (rand() % 31);
+         
+    tab1 = (uint8_t)value1;
+        
+    pc.printf("value1 : %d, binaire : ",value1);
+    affichage(tab1);
+    pc.printf("\n\r");
+    
+    while (counter != 1000) {
+        counter++;
+        sprintf((char*)data,"%d",counter);
+        
+            pc.printf("\n\n\rStart sending ...");
+            if (rf22.sendtoWait(data, sizeof(data), receiver_adress))
+            {
+                pc.printf("\n\rSend to %i ACK: >>%s<<", receiver_adress,(char*)data);
+            } 
+            else 
+            {
+                pc.printf("\n\rSend to %i NOT ACK: >>%s<<", receiver_adress,(char*)data);
+            }
+    }
+    
+    led_red = 0; // on
+    led_green = 1; // off
+}
+
+int main() {
+    
+    int b = 2;
+    
+    pc.baud(9600); 
+    
+    pc.printf("\n\rConnected to mbed\n\r");
+ 
+    pc.printf ("RF22-Test-Reliable-Send V1.0\n\r");
+    
+    // initialisation communication
+    if(init() == 0) b = 1;
+    
+    if (b == 1)
+    {
+        led_green = 1;
+        led_red = 0;
+        while(1) {
+            if(check_sw3() == 1) {
+                send_loop();
+            }
+            wait(1);
+        }
+    } 
+    else
+    {
+        pc.printf("Probleme lors de l'initialisation");
+    }
+    
+  return 0;
+   
+}
+