Revision 1:ea1b52d0a8a3, committed 2017-09-27

Comitter:

Cheroukee

Date:

Wed Sep 27 19:58:38 2017 +0000

Parent:

0:f468a460723d

Child:

2:a9bb12eefc08

Commit message:

Fixed Router code to send transmit request

Changed in this revision

--- a/main.cpp	Tue Sep 26 15:55:56 2017 +0000
+++ b/main.cpp	Wed Sep 27 19:58:38 2017 +0000
@@ -1,19 +1,32 @@
 #include "mbed.h"
-
+    
+#include "xbee.h"
+    
+#define PAN_ID 0xC0FFEE
+    
+    
 Serial pc(USBTX, USBRX); // tx, rx
-Serial xbee(p13, p14); // tx, rx
-DigitalOut led(p8);
 
 int main() {
     
-    led = 0;
+    xbee_init();
+    
+    char c;
     
-    wait_ms(400);
+    char hello_world[12] = "Hello world";
     
-    led = 1;
+    transmit_request(hello_world, 11);
     
     while(1) {
-           pc.putc(xbee.getc() + 1);
-           xbee.putc(pc.getc() + 1);
+        if (pc.readable())
+        {     
+            c = pc.getc();
+            xbee.putc(c);      
+            //pc.putc(c);         
+        }
+        if (xbee.readable())
+        {
+            pc.putc(xbee.getc());            
+        }       
     }
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xbee.cpp	Wed Sep 27 19:58:38 2017 +0000
@@ -0,0 +1,101 @@
+
+/***
+*   xbee.cpp - en-tete de lib xbee - fouj1807 - mcgj2701
+*/
+
+#include "xbee.h"
+
+
+#define ZIGBEE_DELIMITER 0x7E
+
+DigitalOut xbee_led(LED1);
+DigitalOut xbee_reset(p8);
+
+Serial xbee(p13, p14); // tx, rx
+
+char TransmitBuffer[2048] = {0};
+char ReceiveBuffer[2048] = {0};
+
+void xbee_init()
+{
+    xbee_reset = 0;
+    
+    wait_ms(400);
+    
+    xbee_reset = 1;
+    
+    wait_ms(5000);    
+    
+    xbee_led = 1;    
+}
+
+
+bool set_pan_id(long pan_id)
+{
+    return false;
+}
+
+long get_pan_id()
+{
+    return 0L;
+}
+
+bool transmit_request(char* buffer, int length)
+{
+    // Delimiter
+    TransmitBuffer[0] = ZIGBEE_DELIMITER;
+    
+    char checksum = 0xFF;
+    
+    // Frame Length
+    int frame_length = length + 14;    
+    TransmitBuffer[1] = frame_length >> 8;
+    TransmitBuffer[2] = frame_length & 0xFF;
+    
+    // Frame Type
+    TransmitBuffer[3] = 0x10;
+    
+    // Frame ID
+    TransmitBuffer[4] = 0x01;
+    
+    // Should set address if different from coordinator
+    //TransmitBuffer[5] = 
+    
+    // 16-bit address, broadcast address
+    TransmitBuffer[13] = 0xFF;
+    TransmitBuffer[14] = 0xFE;
+    
+    // Max hops, 0 = max
+    TransmitBuffer[15] = 0x00;
+    
+    // Transmit options
+    TransmitBuffer[16] = 0x00;
+    
+    // Insert buffer data
+    for (int i = 0; i < length; i++)
+    {
+        TransmitBuffer[17 + i] = buffer[i];
+    }   
+    
+    // Calculate checksum
+    for (int i = 3; i < 17 + length; i++)
+    {
+        checksum -= TransmitBuffer[i];
+    }
+    
+    // Insert checksum into buffer
+    TransmitBuffer[17 + length] = checksum;
+    
+    for (int i = 0; i < 17 + length + 1; i++)
+    {
+        xbee.putc(TransmitBuffer[i]);
+    }
+    
+    xbee_led = !xbee_led;
+    return false;
+}
+
+int receive_buffer(char* buffer, int max_length)
+{
+    return 0;   
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xbee.h	Wed Sep 27 19:58:38 2017 +0000
@@ -0,0 +1,37 @@
+/***
+*   xbee.h - en-tete de lib xbee - fouj1807 - mcgj2701
+*/
+
+#pragma once
+
+#include "mbed.h"
+
+extern Serial xbee;
+
+typedef enum {
+    TransmitRequest = 0x10,
+    ATCommand = 0x08    
+} frame_type_t;
+
+typedef struct {
+    unsigned short length;
+    frame_type_t frame_type;
+    char frame_id;
+    
+} frame_t;
+
+extern char TransmitBuffer[2048];
+extern char ReceiveBuffer[2048];
+
+void xbee_init();
+
+bool set_pan_id(long pan_id);
+long get_pan_id();
+
+bool transmit_request(char* buffer, int length);
+int receive_buffer(char* buffer, int max_length);
+
+//bool set(char command, char* buffer, int length);
+
+
+