Sam Russell / Mbed 2 deprecated Distance_Sensor_SRF02

A program designed to get the distance from an SRF02 distance sensor and create an audible and visual indication of that distance with data logging capabilities.

Dependencies:   N5110 PowerControl SRF02 mbed

main.h@10:b61013738793, 2015-04-23 (annotated)

Committer:
el13sr
Date:
Thu Apr 23 15:12:49 2015 +0000
Revision:
10:b61013738793
Parent:
7:65bdd2d0d6ad
Child:
11:41052065c916
Fixed bug when measuring 30 cm the display not responding.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el13sr 7:65bdd2d0d6ad 1 /**
el13sr 7:65bdd2d0d6ad 2 * @file main.h
el13sr 7:65bdd2d0d6ad 3 * @brief Distance Sensor Project
el13sr 7:65bdd2d0d6ad 4 * @brief Header file containing functions, definitions and global variables.
el13sr 7:65bdd2d0d6ad 5 * @brief Version: 0.6
el13sr 7:65bdd2d0d6ad 6 * @author Sam Russell
el13sr 7:65bdd2d0d6ad 7 * @date March 2015
el13sr 7:65bdd2d0d6ad 8 */
el13sr 7:65bdd2d0d6ad 9
el13sr 7:65bdd2d0d6ad 10 /********************************************//**
el13sr 7:65bdd2d0d6ad 11 * Libraries and Definitions
el13sr 7:65bdd2d0d6ad 12 ***********************************************/
el13sr 0:7d01de89a1ff 13
el13sr 0:7d01de89a1ff 14 #include "mbed.h"
el13sr 0:7d01de89a1ff 15 #include "SRF02.h"
el13sr 0:7d01de89a1ff 16 #include "N5110.h"
el13sr 6:d6afc4026a1d 17 #include "PowerControl/PowerControl.h"
el13sr 6:d6afc4026a1d 18 #include "PowerControl/EthernetPowerControl.h"
el13sr 7:65bdd2d0d6ad 19 #define USR_POWERDOWN (0x104)
el13sr 7:65bdd2d0d6ad 20 LocalFileSystem local("local"); /*!<Creates local filesystem */
el13sr 7:65bdd2d0d6ad 21 Ticker timer; /*!<defines the timer */
el13sr 0:7d01de89a1ff 22
el13sr 10:b61013738793 23 /**
el13sr 10:b61013738793 24 * @namespace PC
el13sr 10:b61013738793 25 * @brief Used to transmit serial data to the PC via USB.
el13sr 10:b61013738793 26 */
el13sr 10:b61013738793 27 Serial pc(USBTX,USBRX);
el13sr 10:b61013738793 28
el13sr 7:65bdd2d0d6ad 29 /********************************************//**
el13sr 7:65bdd2d0d6ad 30 * Inputs
el13sr 7:65bdd2d0d6ad 31 ***********************************************/
el13sr 7:65bdd2d0d6ad 32 /**
el13sr 7:65bdd2d0d6ad 33 * @namespace SRF02
el13sr 7:65bdd2d0d6ad 34 * @brief Data (SDA) and clock (SCL) for the sensor.
el13sr 7:65bdd2d0d6ad 35 */
el13sr 7:65bdd2d0d6ad 36 SRF02 SRF02(p28,p27);
el13sr 7:65bdd2d0d6ad 37 /**
el13sr 7:65bdd2d0d6ad 38 * @namespace Switch
el13sr 7:65bdd2d0d6ad 39 * @brief On/Off (BOOLEAN) states, OFF: Does not log data to file ON: Dos Log Data to file.
el13sr 7:65bdd2d0d6ad 40 */
el13sr 7:65bdd2d0d6ad 41 AnalogIn Switch(p16);
el13sr 7:65bdd2d0d6ad 42 /**
el13sr 7:65bdd2d0d6ad 43 * @namespace Button
el13sr 7:65bdd2d0d6ad 44 * @brief Three states, Toggles between Normal, Quiet and Power Saving modes.
el13sr 7:65bdd2d0d6ad 45 */
el13sr 7:65bdd2d0d6ad 46 InterruptIn Button(p17);
el13sr 0:7d01de89a1ff 47
el13sr 7:65bdd2d0d6ad 48 /********************************************//**
el13sr 7:65bdd2d0d6ad 49 * Outputs
el13sr 7:65bdd2d0d6ad 50 ***********************************************/
el13sr 7:65bdd2d0d6ad 51 /**
el13sr 10:b61013738793 52 * @namespace logLED
el13sr 7:65bdd2d0d6ad 53 * @brief Indicates if the data recorded is being logged to file or not.
el13sr 7:65bdd2d0d6ad 54 */
el13sr 7:65bdd2d0d6ad 55 AnalogOut logLED(p18);
el13sr 7:65bdd2d0d6ad 56 /**
el13sr 7:65bdd2d0d6ad 57 * @namespace Display
el13sr 7:65bdd2d0d6ad 58 * @brief Defines the Nokia N5110 as the output display and all the corresponding pins.
el13sr 7:65bdd2d0d6ad 59 */
el13sr 7:65bdd2d0d6ad 60 /// vcc,sce,rst,dc,mosi,clk,led
el13sr 0:7d01de89a1ff 61 N5110 display(p7,p8,p9,p10,p11,p13,p26);
el13sr 7:65bdd2d0d6ad 62 /**
el13sr 7:65bdd2d0d6ad 63 * @namespace Buzzer
el13sr 7:65bdd2d0d6ad 64 * @brief defines the buzzer pulse width modulation output.
el13sr 7:65bdd2d0d6ad 65 */
el13sr 7:65bdd2d0d6ad 66 PwmOut buzzer(p21);
el13sr 7:65bdd2d0d6ad 67 /**
el13sr 7:65bdd2d0d6ad 68 * @namespace Baclight
el13sr 7:65bdd2d0d6ad 69 * @brief defines the baclight of the display pulse width modulation output.
el13sr 7:65bdd2d0d6ad 70 */
el13sr 7:65bdd2d0d6ad 71 PwmOut backlight(p26);
el13sr 7:65bdd2d0d6ad 72 /**
el13sr 7:65bdd2d0d6ad 73 * @namespace LEDs
el13sr 7:65bdd2d0d6ad 74 * @brief Defines the set of on board LEDs.
el13sr 7:65bdd2d0d6ad 75 */
el13sr 0:7d01de89a1ff 76 BusOut leds (LED1,LED2,LED3,LED4); //MBED onboard LEDs.
el13sr 0:7d01de89a1ff 77
el13sr 7:65bdd2d0d6ad 78 /********************************************//**
el13sr 7:65bdd2d0d6ad 79 * Flags/Variables/Buffers
el13sr 7:65bdd2d0d6ad 80 ***********************************************/
el13sr 0:7d01de89a1ff 81
el13sr 7:65bdd2d0d6ad 82 int timerflag = 0; /*!<initialise timer flag to equal 0. */
el13sr 7:65bdd2d0d6ad 83 int distance = 0; /*!<initialise distance to equal 0. */
el13sr 7:65bdd2d0d6ad 84 int buttonFlag = 0; /*!<initialise buttonFlag to be 0, which defines the state of the data logger. */
el13sr 7:65bdd2d0d6ad 85 int setTimeFlag = 0; /*!<initialise setTimeFlag to equal 0. */
el13sr 7:65bdd2d0d6ad 86 int mode = 0; /*!<initialise mode to equal 0 (normal mode). */
el13sr 7:65bdd2d0d6ad 87
el13sr 7:65bdd2d0d6ad 88 char rxString[16]; /*!< buffer to store received string */
el13sr 0:7d01de89a1ff 89
el13sr 7:65bdd2d0d6ad 90 /********************************************//**
el13sr 7:65bdd2d0d6ad 91 * Functions
el13sr 7:65bdd2d0d6ad 92 ***********************************************/
el13sr 4:0bd5c189f2f3 93
el13sr 7:65bdd2d0d6ad 94 void writeDataToFile(char* data, float Distancedata); /*!<Creates the void which takes the two types of data into the function. */
el13sr 7:65bdd2d0d6ad 95 void welcomeScreen(); /*!<Function that generates and clears the welcome screen */
el13sr 7:65bdd2d0d6ad 96 void barChart(); /*!<Function to update the bar chart on the display. */
el13sr 7:65bdd2d0d6ad 97 void error(int code); /*!<DEBUG: Error Function */
el13sr 7:65bdd2d0d6ad 98 void timerExpired(); /*!<Function for when the timer expires. */
el13sr 7:65bdd2d0d6ad 99 float avgDist(); /*!<Function to get the average distance. */
el13sr 7:65bdd2d0d6ad 100 void buttonPressed(); /*!<Function to change mode once button is pressed.*/