Revision 0:a2bdcc45d1dc, committed 2014-10-18

Comitter:

josepesado

Date:

Sat Oct 18 13:01:23 2014 +0000

Commit message:

XBee services

Changed in this revision

diff -r 000000000000 -r a2bdcc45d1dc xbee.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xbee.cpp	Sat Oct 18 13:01:23 2014 +0000
@@ -0,0 +1,148 @@
+#include "mbed.h"
+
+#define XBEE_SERVER         1
+#define XBEE_CLIENT         1
+#define SERIAL_BAUDRATE     115200
+#define BUFFER_SIZE         9
+#define BUFFER_FORMAT       "%X%X%X%X%X%X%X%X%X"
+#define BUFFER_FORMAT_RX    "%c%c%c%c%c%c%c%c%c"
+#define BUFFER_RX_DATA_WR   &CommandRx[0],&CommandRx[1],&CommandRx[2],&CommandRx[3],\
+                            &CommandRx[4],&CommandRx[5],&CommandRx[6],&CommandRx[7],\
+                            &CommandRx[8]
+#define BUFFER_RX_DATA_RD   CommandRx[0],CommandRx[1],CommandRx[2],CommandRx[3],\
+                            CommandRx[4],CommandRx[5],CommandRx[6],CommandRx[7],\
+                            CommandRx[8]
+
+Serial PC(USBTX, USBRX);
+DigitalOut Indicator(LED_GREEN);
+int XBee_u16Loop;
+
+#if XBEE_SERVER == 1
+Serial XBeeServer(PTC17, PTC16); /* Tx, Rx*/
+char CommandTx[BUFFER_SIZE+1]={0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, '\0'};
+DigitalOut RSTServer(PTB9);
+int XBee_u16TxResult;
+int XBee_u8TxRq;
+#endif
+
+#if XBEE_CLIENT == 1
+Serial XBeeClient(PTE24, PTE25); /* Tx, Rx*/
+DigitalOut RSTClient(PTA1);
+char CommandRx[BUFFER_SIZE+1];
+volatile int XBee_u8RxResult;
+int XBee_boRxIndication = 0;
+int XBee_boRxAllowed = 1;
+
+/* This function is called when a character goes into the RX buffer.*/
+void XBeeClientRx() {
+    if(XBee_boRxAllowed == 1)
+    {
+        PC.printf("\r\nRx... ");
+        XBee_u8RxResult = 0;
+        XBee_u8RxResult = XBeeClient.scanf( BUFFER_FORMAT_RX, BUFFER_RX_DATA_WR );
+        if(XBee_u8RxResult>0)
+        {
+            XBee_boRxIndication = 1;
+        } 
+        PC.printf("\r\nRx done [%i]. ",XBee_u8RxResult);
+        PC.printf( BUFFER_FORMAT, BUFFER_RX_DATA_RD );
+    }
+    return;
+}
+#endif
+
+void XBee_vInit(void)
+{ 
+    XBee_u16Loop = 0;
+    
+    PC.baud(SERIAL_BAUDRATE);
+    
+    #if XBEE_SERVER == 1
+    PC.printf("\r\nSetting server XBee...");
+    XBeeServer.baud(SERIAL_BAUDRATE); 
+    XBee_u16TxResult = 0; 
+    XBee_u8TxRq = 0;  
+    #endif
+    
+    #if XBEE_CLIENT == 1
+    PC.printf("\r\nSetting client XBee...");
+    XBeeClient.baud(SERIAL_BAUDRATE);   
+    XBeeClient.attach(&XBeeClientRx, Serial::RxIrq);
+    XBee_u8RxResult = 0;
+    XBee_boRxAllowed = 1;
+    #endif    
+    
+    /* XBee reset*/
+    #if XBEE_SERVER == 1
+    RSTServer = 0;
+    #endif
+    #if XBEE_CLIENT == 1
+    RSTClient = 0;
+    #endif   
+    wait_ms(1);
+    #if XBEE_SERVER == 1
+    RSTServer = 1;
+    #endif
+    #if XBEE_CLIENT == 1
+    RSTClient = 1;
+    #endif   
+    wait_ms(1);
+}
+
+void XBee_vMain(void)
+{
+    XBee_u16Loop++;
+    PC.printf("\r\n[%i]:",XBee_u16Loop);   
+    
+    if(XBee_u8TxRq == 1)
+    {
+        /* a Tx job request is active */
+        PC.printf("\r\nTx... ");
+        /* disable rx */
+        XBee_boRxAllowed = 0;
+        for (int i=0; i<BUFFER_SIZE; i++) 
+        {
+            while (true) 
+            {
+                if (XBeeServer.writeable()) 
+                {
+                    XBee_u16TxResult= XBeeServer.putc(CommandTx[i]);
+                    PC.printf("%X ", XBee_u16TxResult);
+                    break;
+                }
+            }
+        }
+        /* tx done */
+        PC.printf("\r\nTx done. ");
+        XBee_u8TxRq = 0;
+        /* enable rx */
+        XBee_boRxAllowed = 1;
+    } 
+}
+
+#if 0
+
+int main()
+{
+    char TxJob[BUFFER_SIZE+1] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, '\0'};    
+    
+    XBee_vInit();
+    
+    while (true) {
+        wait(0.2f); // wait a small period of time
+        Indicator = !Indicator; // toggle a led
+        
+        XBee_vMain();  
+        
+        memcpy(CommandTx,TxJob,9);
+        XBee_u8TxRq = 1;
+                
+        for(int i=0;i<BUFFER_SIZE;i++)
+        {
+            TxJob[i]++;
+        }
+        
+    }
+}
+#endif
+

diff -r 000000000000 -r a2bdcc45d1dc xbee.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xbee.h	Sat Oct 18 13:01:23 2014 +0000
@@ -0,0 +1,15 @@
+#ifndef _XBEE_H_
+#define _XBEE_H_
+
+#include "mbed.h"
+
+extern int XBee_u8TxRq;
+extern char CommandTx[];
+
+/**********************************************************************************
+* Global functions
+***********************************************************************************/
+void XBee_vInit(void);
+void XBee_vMain(void);
+
+#endif
\ No newline at end of file