Diff: WhackAMole.cpp

Revision:

1:dcc3ba9ffe63

Parent:

0:ddc820578cb0

--- a/WhackAMole.cpp	Wed Mar 20 19:05:36 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-#include "mbed.h"
-#include "MRF24J40.h"
-
-#include <string>
-
-// RF tranceiver to link with handheld.
-MRF24J40 mrf(p11, p12, p13, p14, p21);
-
-// LEDs you can treat these as variables (led2 = 1 will turn led2 on!)
-DigitalOut led1(LED1);
-DigitalOut led2(LED2);
-DigitalOut led3(LED3);
-DigitalOut led4(LED4);
-
-// Timer
-Timer timer;
-
-// Serial port for showing RX data.
-Serial pc(USBTX, USBRX);
-
-// Used for sending and receiving
-char txBuffer[128];
-char rxBuffer[128];
-int rxLen;
-
-//***************** Do not change these methods (please) *****************//
-
-/**
-* Receive data from the MRF24J40.
-*
-* @param data A pointer to a char array to hold the data
-* @param maxLength The max amount of data to read.
-*/
-int rf_receive(char *data, uint8_t maxLength)
-{
-    uint8_t len = mrf.Receive((uint8_t *)data, maxLength);
-    uint8_t header[8]= {1, 8, 0, 0xA1, 0xB2, 0xC3, 0xD4, 0x00};
-
-    if(len > 10) {
-        //Remove the header and footer of the message
-        for(uint8_t i = 0; i < len-2; i++) {
-            if(i<8) {
-                //Make sure our header is valid first
-                if(data[i] != header[i])
-                    return 0;
-            } else {
-                data[i-8] = data[i];
-            }
-        }
-
-        //pc.printf("Received: %s length:%d\r\n", data, ((int)len)-10);
-    }
-    return ((int)len)-10;
-}
-
-/**
-* Send data to another MRF24J40.
-*
-* @param data The string to send
-* @param maxLength The length of the data to send.
-*                  If you are sending a null-terminated string you can pass strlen(data)+1
-*/
-void rf_send(char *data, uint8_t len)
-{
-    //We need to prepend the message with a valid ZigBee header
-    uint8_t header[8]= {1, 8, 0, 0xA1, 0xB2, 0xC3, 0xD4, 0x00};
-    uint8_t *send_buf = (uint8_t *) malloc( sizeof(uint8_t) * (len+8) );
-
-    for(uint8_t i = 0; i < len+8; i++) {
-        //prepend the 8-byte header
-        send_buf[i] = (i<8) ? header[i] : data[i-8];
-    }
-    //pc.printf("Sent: %s\r\n", send_buf+8);
-
-    mrf.Send(send_buf, len+8);
-    free(send_buf);
-}
-
-
-//***************** You can start coding here *****************//
-int main (void)
-{
-    uint8_t channel = 2;
-
-    //Set the Channel. 0 is default, 15 is max
-    mrf.SetChannel(channel);
-
-    //Start the timer
-    timer.start();
-
-    while(true) {
-        //Try to receive some data
-        rxLen = rf_receive(rxBuffer, 128);
-        if(rxLen > 0) {
-            //Toggle the Led
-            led1 = led1^1;
-            pc.printf("Received: %s\r\n", rxBuffer);
-        }
-        
-        //Send some data every second
-        if(timer.read_ms() >= 1000) {
-            //Reset the timer to 0
-            timer.reset();
-            // Toggle LED 2.
-            led2 = led2^1;
-            //Add to the buffer. You may want to check out sprintf
-            strcpy(txBuffer, "Jeff is the best TA!");
-            //Send the buffer
-            rf_send(txBuffer, strlen(txBuffer) + 1);
-            pc.printf("Sent: %s\r\n", txBuffer);
-        }
-    }
-}