Revision 0:71f4b2285994, committed 2016-05-05

Comitter:

Ruffley

Date:

Thu May 05 11:31:50 2016 +0000

Commit message:

Final Code

Changed in this revision

diff -r 000000000000 -r 71f4b2285994 N5110.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/N5110.lib	Thu May 05 11:31:50 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/Ruffley/code/N5110/#86b2ddebac90

diff -r 000000000000 -r 71f4b2285994 SDFileSystem.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Thu May 05 11:31:50 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/SDFileSystem/#7b35d1709458

diff -r 000000000000 -r 71f4b2285994 SRF02.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SRF02.lib	Thu May 05 11:31:50 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/eencae/code/SRF02/#8e6587d88773

diff -r 000000000000 -r 71f4b2285994 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu May 05 11:31:50 2016 +0000
@@ -0,0 +1,198 @@
+#include "mbed.h"
+#include "SRF02.h"
+#include "N5110.h"
+#include "SDFileSystem.h"
+/** ELEC2645 Project
+*Finalised Project for submission
+*/
+
+//         VCC,    SCE,   RST,   D/C,   MOSI,  SCLK,   LED
+N5110 lcd (PTE26 , PTA0 , PTC4 , PTD0 , PTD2 , PTD1 , PTC3);  // mbed pins
+SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS, SD Card Connections
+SRF02 Sensor(PTE25,PTE24);//Distance Sensor
+
+// External LED's
+DigitalOut LEDY(PTC5);
+DigitalOut LEDG(PTC7);
+
+// K64F on-board LEDs
+DigitalOut r_led(LED_RED);
+DigitalOut g_led(LED_GREEN);
+DigitalOut b_led(LED_BLUE);
+
+// K64F on-board switches
+InterruptIn sw2(SW2);
+InterruptIn sw3(SW3);
+
+// External Switches
+DigitalIn Sw1(PTB19);
+DigitalIn Sw2(PTB18);
+
+//Buzzer
+PwmOut buzzer(PTA2);
+
+void D_Sensor();//Timer and Sensor Function
+void delete_file(char filename[]); //Delete Save file
+void init_K64F();// set-up the on-board LEDs and switches
+void Buzzer(); //Buzzer
+void Parking_Sensor();//Parking Sensor Program
+char buffer[14];
+
+Timer timer; //Initiate timer
+int T;//Create time variable
+
+int main()
+
+{
+    Sw1.mode(PullDown);
+    Sw2.mode(PullDown);
+
+    init_K64F();//initialise ob-board LED's and switches
+    lcd.init();//initialise screen
+    lcd.refresh(); //refresh
+
+    lcd.printString("ELEC 2645",15,1);
+    lcd.printString("Sensor",24,2);
+    lcd.printString("Andy Ruffley",7,4);
+    lcd.printString("200887845",16,5);
+    wait(3);
+    lcd.clear();
+
+    lcd.printString("Program Select",0,0);
+    lcd.printString("Parking Sensor",0,2);
+    lcd.printString("Motion Sensor",3,3);
+    lcd.printString("200887845",16,5);
+
+
+    while(1) {
+
+        int program = Sw1+Sw2+Sw2;
+        switch (program) {
+
+            case 1:
+                lcd.clear();
+                lcd.printString("Parking Sensor",0,2);
+                lcd.refresh();
+                wait(2);
+                lcd.clear();
+                while(1) {
+                    Parking_Sensor();
+                }
+
+
+            case 2:
+                lcd.clear();
+                lcd.printString("Motion Sensor",3,3);
+                lcd.refresh();
+                wait(2);
+                lcd.clear();
+                while(1) {
+                    D_Sensor();
+                }
+        }
+    }
+}
+//End of programme
+
+
+
+//Start of functions
+
+//Program 1
+void Parking_Sensor()
+{
+    int Array[5]; //Create an array
+    int Total = 0; //Create and set a variable
+    int count = 0; //Create and set a variable
+    int Distance; //Create a variable
+
+    for(count = 0; count < 5; count++) { //Set limits
+        Array[count] = Sensor.getDistanceCm(); //Take sensor readings
+        Total = Total + Array[count]; //Add sensor readings to variable
+    }
+    Distance = Total/5; // Calculate average
+    lcd.drawRect(0,0,5,47,2);//Draw white fill rectangle
+    lcd.drawRect(0,0,5,(Distance/4.3),1); //Draw black fill rectangle
+    float distance = sprintf(buffer,"%d cm",Distance);
+    if (distance <=14) {
+        lcd.printString(buffer,10,1); //print reading
+        // short delay before next measurement
+        wait(0.5);
+    }
+    if (Distance <30) {
+        Buzzer();//Activate Buzzer function
+        LEDY=1;
+        LEDG=0;
+    } else  {
+        buzzer = 0;//Turn off buzzer
+        LEDY=0;
+        LEDG=1;
+    }
+}
+
+//program 2
+void D_Sensor()
+{
+    int Distance;
+    Distance = Sensor.getDistanceCm();//reads distance
+
+    float distance = sprintf(buffer,"%d cm",Distance);
+    if (distance <=14) {
+        lcd.printString(buffer,10,1);//prints distance
+        // short delay before next measurement
+        wait(0.5);
+    }
+    timer.start();
+    T = timer.read();
+    float Time_E = sprintf(buffer,"%d S",T);
+    if (Time_E <=14) {
+        lcd.printString(buffer,7,2); //prints time
+    }
+    if (Distance<50) {
+        FILE *fp; // this is our file pointer
+        delete_file("/sd/Time_Log.txt");
+        int Time = T;//Creates Variable and sets to T
+        fp = fopen("/sd/Time_Log.txt", "a");
+        lcd.printString("Saved",15,3);
+        fprintf(fp, "%d",Time); // ensure data type matches
+        fclose(fp);  // ensure you close the file after writing
+    }
+}
+
+
+
+//Extra Functions
+
+void Buzzer()
+{
+    buzzer.period_ms(1); //1KHz frequency
+    buzzer = 0.05; //50% Duty cycle
+    wait(1);
+    buzzer.period_ms(2); //500Hz frequency
+}
+
+void delete_file(char filename[])
+{
+
+    FILE *fp = fopen(filename, "r");  // try and open file
+    if (fp != NULL) {  // if it does open...
+        fclose(fp);    // close it
+        remove(filename);  // and then delete
+
+    }
+    // if we can't open it, it doesn't exist and so we can't delete it
+}
+
+void init_K64F()
+{
+    // on-board LEDs are active-low, so set pin high to turn them off.
+    r_led = 1;
+    g_led = 1;
+    b_led = 1;
+
+    // since the on-board switches have external pull-ups, we should disable the internal pull-down
+    // resistors that are enabled by default using InterruptIn
+    sw2.mode(PullNone);
+    sw3.mode(PullNone);
+
+}

diff -r 000000000000 -r 71f4b2285994 main.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Thu May 05 11:31:50 2016 +0000
@@ -0,0 +1,138 @@
+/**
+@file main.h
+@brief Header file for functions, defines and global variables.
+
+@author Andrew Ruffley 200887845
+@brief University of Leeds ELEC2645 Project
+@date May 2015
+*/
+
+#ifndef MAIN_H
+#define MAIN_H
+
+#include "mbed.h"
+#include "SRF02.h"
+#include "N5110.h"
+#include "SDFileSystem.h"
+
+
+// --------------- INPUT PERIPHERALS --------------
+
+
+/**
+@namespace sensor
+@brief Ultra-Sonic distance sensor requires SDA and SCL lines
+*/
+SRF02 sensor(PTE25, PTE24);
+
+/**
+@namespace Sw1
+@brief Digital input button that is used to select program
+*/
+DigitalIn Sw1(PTB19);
+
+/**
+@namespace Sw2
+@brief Digital input button that is used to select program
+*/
+DigitalIn Sw2(PTB18);
+
+
+// -------------- OUTPUT PERIPHERALS --------------
+
+/**
+@namespace lcd
+@brief Outputs for the N5110 lcd display, lcd (VCC,SCE,RST,D/C,MOSI,SCLK,LED)
+*/
+N5110 lcd(PTE26 , PTA0 , PTC4 , PTD0 , PTD2 , PTD1 , PTC3);
+
+/**
+@namespace sd
+@brief Outputs for the sd card, sd(PTE3, PTE1, PTE2, PTE4, "sd")
+*/
+SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS, SD Card Connections
+
+/**
+@namespace Buzzer
+@brief A buzzer that can produce different notes dependant on the frquency of the signal inputted to it. Used as an auditory alert
+*/
+PwmOut buzzer(PTA2);
+
+/**
+@namespace led_Yellow
+@brief Yellow indicator LED
+*/
+DigitalOut LEDY(PTC5);
+
+/**
+@namespace led_Green
+@brief Green indicator LED
+*/
+DigitalOut LEDG(PTC7);
+
+/**
+@namespace r_led
+@brief K64F on-board LED
+*/
+DigitalOut r_led(LED_RED);
+
+/**
+@namespace g_led
+@brief K64F on-board LED
+*/
+DigitalOut g_led(LED_GREEN);
+
+/**
+@namespace b_led
+@brief K64F on-board LED
+*/
+DigitalOut b_led(LED_BLUE);
+
+
+// -------------- VARIABLES --------------
+
+int Array[5]; /*!<Creates an array */
+int Total = 0; /*!<Creates and set a variable */
+int count = 0; /*!<Creates and set a variable */
+int Distance; /*!<Creates a variable */
+int T; /*!<Creates variable */
+int Time = T; /*!<Creates Variable and sets to T */
+
+
+//  -------------- Functions --------------
+
+/**
+@namespace Parking_Sensor
+@brief Parking Sensor Program
+@brief Calculates average distance and creates graphic reprisentation
+@brief Turns on buzzer if distance drops below 30cm
+*/
+void Parking_Sensor();
+
+/**
+@namespace D_Sensor
+@brief Timer and Sensor Function
+@brief Creates timer and reads distance
+@brief If distance drops below 50cm saves time to sd
+*/
+void D_Sensor();
+
+/**
+@namespace delete_file
+@brief Delete Save file
+*/
+void delete_file(char filename[]); 
+
+/**
+@namespace init_K64F
+@brief set-up the on-board LEDs and switches
+*/
+void init_K64F();
+
+/**
+@namespace Buzzer
+@brief Buzzer control
+*/
+void Buzzer(); //Buzzer
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r 71f4b2285994 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu May 05 11:31:50 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/aae6fcc7d9bb
\ No newline at end of file