Diff: main.cpp

Revision:

0:a90ccfbf8695

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 20 00:08:59 2010 +0000
@@ -0,0 +1,342 @@
+/* This is a short test program for AC4790-200 transceiver*/
+/* We have radio's tx rx pin collected to mbed's p10 and p9 respectively, and have radio connected to external power 3.3v - 5v*, and GND
+    only 4 pins are used from the radio*/
+#include "mbed.h"
+#define MAC_1 57
+#define MAC_2 147      //             MAC for relay
+#define MAC_3 98
+
+#define MAC_4 57
+#define MAC_5 149                     //MAC for GCS
+#define MAC_6 98
+
+Serial laird(p9, p10); //Creates a variable for serial comunication through pin 9 and 10
+Serial pc(USBTX, USBRX);//Opens up serial communication through the USB port via the computer
+
+
+int enter_cmd();
+void get_respond();
+int exit_cmd();
+int api();
+int write_cb();
+void radio_send(char *to_send);
+void radio_received(char *received);
+void relay_send(char *to_send);
+
+int main() {
+
+
+    int i;
+    char to_send[30] = {"ACD,100"};             //120byte max in data field, 4 byte a char??TEST, 30 chars max!!
+    char received[30] = {'\0'};  
+
+    wait(3);
+/***************set up the serial interface parameters**********/
+    laird.baud(57600);                      //set up the baud rate, needs to be the same as the baud rate of the radio
+    laird.format(8, Serial::None, 1);       //set up the format, 8 bits, none parity, 1 stop bit
+
+    
+    wait(1);
+/*************enter command mode *****************/
+
+    while(!enter_cmd()) ;    //send hex command to enter the command mode
+    
+    /*the supposed hex respond after enter the command mode : cc 43 4f 4d*/
+    pc.printf("enter cmd respond: ");
+    for( i = 0; i < 4; i++)
+        get_respond();     
+    wait_ms(500);
+    pc.printf("\n\r");
+    
+ /*************change channel number**************/
+    laird.putc('\xcc');
+    laird.putc('\x01');
+    laird.putc('\x10');
+    
+    pc.printf("change channle respond: ");
+    get_respond();
+    get_respond();
+    pc.printf("\r\n");   
+    
+/*************configure API control ****************/
+    while(!api());              //send hex command to configure API control
+    
+    pc.printf("API control respond: ");         //expected respond: cc 13
+    for( i = 0; i <2; i++)
+        get_respond();
+    wait_ms(500);
+    pc.printf("\n\r");
+    
+/************** EEPROM write control 1 byte********/
+    while(!write_cb());
+    
+    pc.printf("write control byte respond: ");      //expected respond: 56 01 41
+    for( i = 0; i <3; i++)
+        get_respond();
+    wait_ms(500);
+    pc.printf("\n\r");
+    
+/************read destination MAC address*******/
+    laird.putc('\xcc');
+    laird.putc('\x11');
+    
+    pc.printf("Destination MAC address respond: ");
+    for(i = 0; i< 4; i++)
+        get_respond();
+    wait_ms(500);
+    pc.printf("\n\r");
+    
+/**************read own MAC address************/
+    laird.putc('\xcc');
+    laird.putc('\xc0');
+    laird.putc('\x80');
+    laird.putc('\x06');
+    
+    pc.printf("Own MAC address: ");
+    for(i = 0; i < 9; i++)
+        get_respond();
+    wait_ms(500);
+    pc.printf("\n\r");
+        
+/************write destination MAC address*********/
+
+/*
+    laird.putc('\xcc');         //ground station mac address: 61 78 32
+    laird.putc('\x10');
+    laird.putc(MAC_1);
+    laird.putc(MAC_2);
+    laird.putc(MAC_3);
+   
+    
+    pc.printf("after write MAC respond: ");
+    for(i = 0; i < 4; i++)
+        get_respond();
+    wait_ms(500);
+    pc.printf("\n\r");
+ */   
+/***************read DES key**********************/
+    laird.putc('\xcc');
+    laird.putc('\xc0');
+    laird.putc('\xd0');
+    laird.putc('\x07');
+    
+    pc.printf("DES key: ");
+    for(i = 0; i < 10; i++)
+        get_respond();
+    wait_ms(500);
+    pc.printf("\n\r");
+    
+/**************exit command mode ******************/
+    while(!exit_cmd());         //send hex command to exit the command mode
+    
+    /*the expected hex respond after exit the command mode: cc 44 41 54*/
+    pc.printf("exit cmd respond: ");
+    for( i = 0; i < 4; i++)
+        get_respond();
+    wait_ms(500);
+    pc.printf("\n\r");
+    
+/****************communication ****************/
+/*
+while(1){
+    radio_send(to_send);
+    wait(5);
+//    wait(1);
+//    pc.printf("done sending\r\n");
+}   
+*/
+/*
+while(1){
+    relay_send(to_send);
+    wait(5);
+    }
+ */   
+/*    radio_received(received);
+    for(i = 0; received[i] != '\0'; i++)
+    {    
+        pc.printf("%x ", received[i]);
+        received[i] = '\0';
+        
+     }
+     pc.printf("\r\n");
+     */    
+
+while(1)
+{
+    radio_received(received);
+    for(i = 0; received[i] != '\0'; i++)
+    {    
+        pc.printf("%x ", received[i]);
+        received[i] = '\0';
+        
+     }
+     pc.printf("\r\n");
+     
+     wait(5);
+     radio_send(to_send);
+     pc.printf("reply send\r\n");
+}
+
+/*    
+  
+while(1)
+ {   
+    radio_send(to_send);
+    wait(1);
+    pc.printf("done sending\r\n");
+  }  
+  */
+
+/*    
+    while(1)
+    {
+        i = 0;
+
+        pc.printf("done1 ");
+        radio_received(received);
+        pc.printf("done2 ");
+        while(received[i] != '\0')
+            pc.putc( received[i++] );
+        wait(1);
+                for(i = 0; i < 30; i++)
+            received[i] = '\0';
+    } 
+*/
+}
+
+
+
+/*************funtions used with radio****************/
+int enter_cmd()
+{
+            if (laird.writeable()) {
+            //enter cmd mode, hex value: 0x41 0x54 0x2B 0x2B 0x2B 0x0D          
+            laird.putc('\x41');
+            laird.putc('\x54');
+            laird.putc('\x2b');
+            laird.putc('\x2b');
+            laird.putc('\x2b');
+            laird.putc('\x0d');
+            return 1;
+            }
+            else return 0;
+}
+
+void get_respond()
+{
+    while(laird.readable() == 0);           //wait until there is char to read
+    pc.printf("%x ", laird.getc());         //print out the char in hex form
+}    
+
+int exit_cmd()
+{
+           //exit cmd mode, hex value: 0xcc 0x41 0x54 0x4f 0x0d
+            if(laird.writeable()) 
+           {            
+            laird.putc('\xcc');
+            laird.putc('\x41');
+            laird.putc('\x54');
+            laird.putc('\x4f');
+            laird.putc('\x0d');
+            return 1;
+           }
+           
+           else return 0;
+    
+}
+
+int api()
+{
+            if(laird.writeable()) 
+           {            
+            laird.putc('\xcc');
+            laird.putc('\x17');
+            laird.putc('\x13');
+            return 1;
+           }
+           
+           else return 0;
+}
+
+int write_cb()
+{
+           if(laird.writeable()) 
+           {            
+            laird.putc('\xcc');
+            laird.putc('\xc1');
+            laird.putc('\x56');
+            laird.putc('\x01');
+            laird.putc('\x41');
+            return 1;
+           }
+           
+           else return 0;
+}
+
+//function used to send data over the radio, 
+void radio_send(char *to_send)
+{
+    int i = 0;
+    for( i = 0; to_send[i] != '\0'; i++);
+    
+    laird.putc('\x81');
+    laird.putc(i);   
+    laird.putc(8);
+    laird.putc(4); 
+    laird.putc(MAC_4);
+    laird.putc(MAC_5);
+    laird.putc(MAC_6);
+    
+    for( i = 0; to_send[i] != '\0'; i++)
+       laird.putc(to_send[i]);
+    pc.printf("sent");
+}
+
+void relay_send(char *to_send)
+{
+    int i = 0;
+    for( i = 0; to_send[i] != '\0'; i++);
+
+    laird.putc('\x81');
+    laird.putc(i + 3);
+    laird.putc(8);
+    laird.putc(4);
+    laird.putc(MAC_1);
+    laird.putc(MAC_2);
+    laird.putc(MAC_3);
+    laird.putc(MAC_4);
+    laird.putc(MAC_5);
+    laird.putc(MAC_6);
+    for( i = 0; to_send[i] != '\0'; i++)
+       laird.putc(to_send[i]);
+//    laird.putc('\0');
+//    pc.printf("sent");
+}
+   
+
+void radio_received(char *received)
+{
+    int size = 0;
+    int i = 0;
+    
+    while(laird.readable() == 0);
+
+    if( laird.getc() == '\x81')
+    {
+ 
+        size = laird.getc();           
+        //throw away next 5 chars
+        pc.printf("%x ", laird.getc());
+        pc.printf("%x ", laird.getc());
+        pc.printf("%x ", laird.getc());
+        pc.printf("%x ", laird.getc());
+        pc.printf("%x ", laird.getc());
+
+        for( i = 0; i < size; i++)
+        {    received[i] = laird.getc();
+
+            }
+        received[i + 1] = '\0';             //used to mark the ending of data
+    } 
+ 
+}