Darren Fitzgerald
XBEE Project for FRDM-K64F - program number 1 of 2.
Dependencies: C12832 LM75B SDFileSystem XBee mbed
Revision 0:add6ccfe6b49, committed 2017-01-11
- Comitter:
- darrenf87
- Date:
- Wed Jan 11 20:18:18 2017 +0000
- Commit message:
- XBEE project for FRDM-K64F device. This project is number 1 of 2 programs for the final real time embedded systems report.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832.lib Wed Jan 11 20:18:18 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/askksa12543/code/C12832/#990d5eec2ef6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LM75B.lib Wed Jan 11 20:18:18 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/chris/code/LM75B/#6a70c9303bbe
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Wed Jan 11 20:18:18 2017 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbed_official/code/SDFileSystem/#8db0d3b02cec
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/XBee.lib Wed Jan 11 20:18:18 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/okini3939/code/XBee/#b36422ef864f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jan 11 20:18:18 2017 +0000
@@ -0,0 +1,77 @@
+#include "mbed.h" /*Include standard mbed library*/
+#include "XBee.h" /*Include library for XBee transmitter/reciever*/
+#include "C12832.h" /*Include library for temperature sensor*/
+#include "LM75B.h" /*Include library for LCD display*/
+#include "SDFileSystem.h" /*Include library for SD card read/write*/
+
+Serial xbee1(D1,D0); /*Declare XBee transmit/receive as pins 1 and 0*/
+DigitalOut rst1(D3); /*Declare pin 3 as the reset pin for the XBee*/
+LM75B temp(PTE25,PTE24); /*Declare temperature sensor transmit/recieve as pins 24 and 25*/
+DigitalOut red(PTB22); /*Declare pin 22 as the red LED*/
+DigitalOut green(PTE26); /*Declare pin 26 as the green LED*/
+DigitalOut blue(PTB21); /*Declare pin 21 as the blue LED*/
+DigitalOut relay(D4); /*Declare pin 4 as the output to an external relay*/
+
+C12832 lcd(D11, D13, D12, D7, D10); /*Assign pins for LCD display (MOSI, SCK, Reset, A0 and nCS)*/
+SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); /*Assign pins for SD card us (MOSI, MISO, sclk and cs*/
+
+int main() { /*Start of main function*/
+ rst1 = 0; /*Set XBee reset pin to 0*/
+ wait_ms(1); /*Wait 1 millisecond*/
+ rst1 = 1; /*Set XBee reset pin to 1*/
+ wait_ms(1); /*Wait 1 millisecond*/
+ FILE *File = fopen("/sd/BTLDirectory.txt", "w"); /*Open file*/
+
+
+ lcd.locate(20,0); /*Locate the area to print in on the LCD*/
+ lcd.printf("Battery Temperature"); /*Output to LCD screen at position 20,0*/
+ lcd.locate(18,10); /*Locate the area to print in on the LCD*/
+ lcd.printf("Monitoring - DMOS A"); /*Output to LCD screen at position 18,10*/
+ lcd.locate(15,20); /*Locate the area to print in on the LCD*/
+ lcd.printf("(C) D.Fitzgerald - 2016"); /*Output to the LCD screen at position 15,20*/
+ wait(5); /*Wait 5 seconds (displays the above message for 5 seconds*/
+ lcd.cls(); /*Clear all messages from LCD screen*/
+
+ int a; /*Declare 'a' as an integer value*/
+ int b; /*Declare 'b' as an integer value*/
+ int c; /*Declare 'c' as an integer value*/
+ int d; /*Declare 'd' as an integer value*/
+
+ lcd.locate(6,0); /*Locate the area to print on the LCD*/
+ lcd.printf("DMOS A Batteries = "); /*Output to LCD screen at position 6,0*/
+ lcd.locate(6,16); /*Locate the area to print on the LCD*/
+ lcd.printf("DMOS B Batteries = "); /*Output to LCD screen at position 6,16*/
+
+ d=1; /*Set value of 'd' to be '1' permanently*/
+
+ while (d>0) { /*Infinite while loop whilst d is greater than 0, which is always*/
+ /*The three LED's must be 'logically notted' in order to force them off before use*/
+ green=!green; /*Logically not the green LED*/
+ red=!red; /*Logically not the red LED*/
+ blue=!blue; /*Logically not the blue LED (not used but still needs to be turned off to prevent mixing with other colours*/
+ a = temp.read(); /*Read the temperature from the LM75 temperature sensor*/
+ /*XBee devices are capable of duplex communications, which is utilised in the next two steps*/
+ xbee1.putc(a); /*Put the read temperature into the XBee output port*/
+ b = xbee1.getc(); /*Retrieve the temperature that is being sent from the other ARM MBED device from the XBee*/
+ lcd.locate(100,0); /*Locate the area to print the temperature to on the LCD screen*/
+ lcd.printf("%d C\n",a); /*Print the temperature from the other ARM MBED device at location 100,0*/
+ lcd.locate(100,16); /*Locate the area to print the temperature to on the LCD screen*/
+ lcd.printf("%d C\n",b); /*Print the temperature from the local ARM MBED device at location 100,16*/
+ wait_us(10); /*Wait 10 microseconds*/
+ c = abs(a-b); /*Subtract the local temperature from the remote temperature and create this as an absolute (positive) only value*/
+ if(c<3){ /*Start of If loop for if the temperature difference calculated in the previous step is equal to or less than 3 degrees*/
+ /*The LED's have to be forced off to prevent the RGB LED mixing it's colours*/
+ green=1; /*Turn the green LED on*/
+ blue=0; /*Force the red LED off*/
+ red=0; /*Force the blue LED off*/
+ } /*End of If loop*/
+ else{ /*If the temperature difference calculated as 'c' is anything other than the parameter set in the previous if loop, do the following...*/
+ red=1; /*Turn the red LED on*/
+ green=0; /*Force the green LED off*/
+ blue=0; /*Force the blue LED off*/
+ relay=1; /*Apply a logic value of '1' to pin 8, to activate an external relay in order to turn off battery charging supply*/
+ fprintf(File, "The battery box temperatures on this train have differed by\nat least 3 degrees during the course of the day"); /*Store number of events to SD Card*/
+ fclose(File); /*Close SD Card File*/
+ } /*End of If loop*/
+ } /*End of infinite while loop*/
+} /*End of main function*/
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jan 11 20:18:18 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/d75b3fe1f5cb \ No newline at end of file