ELEC2645 (2015/16) / Mbed 2 deprecated ParkingSENSOR

Reverse Parking sensor

Dependencies:   N5110 SRF02 buzzer mbed

Fork of ParkingSENSOR by Renosi Momoh

main.h@1:775f6e8071a2, 2016-05-05 (annotated)

Committer:
Reniboy
Date:
Thu May 05 02:08:46 2016 +0000
Revision:
1:775f6e8071a2
Parent:
0:e1ae1b9889a3
Child:
3:68cabac00547
Revison 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Reniboy 0:e1ae1b9889a3 1 /**
Reniboy 0:e1ae1b9889a3 2 @file main.h
Reniboy 0:e1ae1b9889a3 3 @brief Header file containg functions, variables and prototypes
Reniboy 0:e1ae1b9889a3 4 @brief Revision 1.0
Reniboy 0:e1ae1b9889a3 5 @brief Reverse Parking sensor
Reniboy 1:775f6e8071a2 6 @Author Renosi Momoh
Reniboy 1:775f6e8071a2 7 @date March 2015
Reniboy 1:775f6e8071a2 8 **/
Reniboy 0:e1ae1b9889a3 9
Reniboy 0:e1ae1b9889a3 10
Reniboy 0:e1ae1b9889a3 11 #include "mbed.h"
Reniboy 0:e1ae1b9889a3 12 #include "N5110.h"
Reniboy 0:e1ae1b9889a3 13 #include "SRF02/SRF02.h"
Reniboy 0:e1ae1b9889a3 14 #include "buzzer.h"
Reniboy 1:775f6e8071a2 15
Reniboy 0:e1ae1b9889a3 16
Reniboy 0:e1ae1b9889a3 17 /** INPUTS AND OUTPUTS **/
Reniboy 0:e1ae1b9889a3 18
Reniboy 0:e1ae1b9889a3 19 N5110 lcd (PTE26, PTA0, PTC4, PTD0, PTD2, PTD1, PTC3);
Reniboy 1:775f6e8071a2 20 /**
Reniboy 1:775f6e8071a2 21 @namespace LCD display
Reniboy 1:775f6e8071a2 22 @brief Connections for the LCD Display
Reniboy 1:775f6e8071a2 23 **/
Reniboy 0:e1ae1b9889a3 24 SRF02 sensor(I2C_SDA,I2C_SCL);
Reniboy 1:775f6e8071a2 25 /**
Reniboy 1:775f6e8071a2 26 @namespace Ultrasonic sensor connected in I2C mode
Reniboy 1:775f6e8071a2 27 @brief Ultrasonic distance sensor connected in I2C mode
Reniboy 1:775f6e8071a2 28 **/
Reniboy 0:e1ae1b9889a3 29 Beep buzzer(PTA2);
Reniboy 0:e1ae1b9889a3 30 /**
Reniboy 1:775f6e8071a2 31 @namespace Buzzer
Reniboy 0:e1ae1b9889a3 32 @brief Piezo type buzzer that can produce notes and vary the frequency as well. Connected to Pwm signal
Reniboy 0:e1ae1b9889a3 33 **/
Reniboy 0:e1ae1b9889a3 34
Reniboy 0:e1ae1b9889a3 35 InterruptIn button(PTB18);
Reniboy 0:e1ae1b9889a3 36 /**
Reniboy 0:e1ae1b9889a3 37 @Brief Button connected to mbed with the use of InterruptIn class**/
Reniboy 0:e1ae1b9889a3 38 InterruptIn sw2(SW2);
Reniboy 1:775f6e8071a2 39 /**
Reniboy 1:775f6e8071a2 40 @namespace SW2 button
Reniboy 1:775f6e8071a2 41 @brief DigitalIn button
Reniboy 1:775f6e8071a2 42 **/
Reniboy 0:e1ae1b9889a3 43 InterruptIn sw3(SW3);
Reniboy 0:e1ae1b9889a3 44
Reniboy 0:e1ae1b9889a3 45 /**
Reniboy 1:775f6e8071a2 46 @namespace SW3 button
Reniboy 1:775f6e8071a2 47 @brief DigitalIn button
Reniboy 0:e1ae1b9889a3 48 **/
Reniboy 0:e1ae1b9889a3 49
Reniboy 1:775f6e8071a2 50 DigitalOut r_led(PTC2);
Reniboy 1:775f6e8071a2 51 /**
Reniboy 1:775f6e8071a2 52 @namespace Led
Reniboy 1:775f6e8071a2 53 @brief Changes color depending on distance
Reniboy 1:775f6e8071a2 54 **/
Reniboy 1:775f6e8071a2 55 Serial serial(USBTX, USBRX);
Reniboy 1:775f6e8071a2 56 /**
Reniboy 1:775f6e8071a2 57 @Namespace USB connections
Reniboy 1:775f6e8071a2 58 @brief Used for programming the sensor
Reniboy 1:775f6e8071a2 59 **/
Reniboy 1:775f6e8071a2 60 AnalogIn pot(PTB2);
Reniboy 1:775f6e8071a2 61 /**
Reniboy 1:775f6e8071a2 62 @namespace AnalogIn potentiometer
Reniboy 1:775f6e8071a2 63 @brief Potentiometer middle pin connected to PTB3, other two ends connected to GND and 3.3V
Reniboy 1:775f6e8071a2 64 **/
Reniboy 0:e1ae1b9889a3 65
Reniboy 1:775f6e8071a2 66 /** Ticker, flags and Interrupt Service Routines**/
Reniboy 0:e1ae1b9889a3 67
Reniboy 1:775f6e8071a2 68 Ticker ticker; //*!< Objects to create tickers for parking sensor in cm */
Reniboy 1:775f6e8071a2 69 Ticker ticker2; //*!< Objects to create tickers for radar parking sensor mode */
Reniboy 1:775f6e8071a2 70 Ticker ticker3; //*!< Ticker to call interrupt for parking sensor in inches */
Reniboy 1:775f6e8071a2 71 void button_isr();
Reniboy 1:775f6e8071a2 72 void init_serial(); //*!< function to activate onboard switches and LEDs */
Reniboy 1:775f6e8071a2 73 void timer_isr();
Reniboy 0:e1ae1b9889a3 74 volatile int g_timer_flag = 0; /** @Brief G flag makes things easier to distinguish as this is a global variable **/
Reniboy 0:e1ae1b9889a3 75 volatile int g_timer2_flag = 0;
Reniboy 0:e1ae1b9889a3 76 volatile int g_sw3_flag = 0;
Reniboy 1:775f6e8071a2 77 volatile int g_sw2_flag = 0;
Reniboy 0:e1ae1b9889a3 78 volatile int g_timer1_flag = 0;
Reniboy 0:e1ae1b9889a3 79 void sw2_isr();
Reniboy 0:e1ae1b9889a3 80 void sw3_isr();
Reniboy 0:e1ae1b9889a3 81
Reniboy 1:775f6e8071a2 82
Reniboy 1:775f6e8071a2 83
Reniboy 1:775f6e8071a2 84
Reniboy 1:775f6e8071a2 85
Reniboy 1:775f6e8071a2 86 void delete_file(char filename[]); // Function to call for deletion of file.
Reniboy 1:775f6e8071a2 87
Reniboy 0:e1ae1b9889a3 88 /** Misc **/
Reniboy 1:775f6e8071a2 89
Reniboy 0:e1ae1b9889a3 90 float averageDistance();
Reniboy 0:e1ae1b9889a3 91 /**
Reniboy 0:e1ae1b9889a3 92 @namespace Average Distance
Reniboy 0:e1ae1b9889a3 93 @Brief This function allows us to take ten sensor readings and find the average to improve accuracy
Reniboy 0:e1ae1b9889a3 94 **/
Reniboy 0:e1ae1b9889a3 95 float averageDistanceIn();
Reniboy 1:775f6e8071a2 96 /**
Reniboy 1:775f6e8071a2 97 @namespace Average Distance in Inches
Reniboy 1:775f6e8071a2 98 @Brief Converts the distance from centimetres to inches
Reniboy 1:775f6e8071a2 99 **/
Reniboy 0:e1ae1b9889a3 100
Reniboy 0:e1ae1b9889a3 101 int distance;
Reniboy 1:775f6e8071a2 102 /**
Reniboy 1:775f6e8071a2 103 @namespace Distance
Reniboy 1:775f6e8071a2 104 @brief Variable for storing integer value for distance in cm(default)
Reniboy 1:775f6e8071a2 105 **/
Reniboy 0:e1ae1b9889a3 106 float distanceIn;
Reniboy 1:775f6e8071a2 107 /**
Reniboy 1:775f6e8071a2 108 @namespace Distance
Reniboy 1:775f6e8071a2 109 @brief Variable for storing integer value for distance in inches
Reniboy 1:775f6e8071a2 110 **/
Reniboy 0:e1ae1b9889a3 111
Reniboy 0:e1ae1b9889a3 112 /** Functions **/
Reniboy 0:e1ae1b9889a3 113
Reniboy 0:e1ae1b9889a3 114 void introTune();
Reniboy 0:e1ae1b9889a3 115 /**
Reniboy 0:e1ae1b9889a3 116 @namespace Introductory Tune
Reniboy 0:e1ae1b9889a3 117 @brief Provides and audible indication that the system is on
Reniboy 0:e1ae1b9889a3 118 **/
Reniboy 0:e1ae1b9889a3 119 void beeping();
Reniboy 0:e1ae1b9889a3 120 /**
Reniboy 0:e1ae1b9889a3 121 @namespace Beeping function,
Reniboy 0:e1ae1b9889a3 122 @brief This function allows the sensor to detect the distance and make the speaker beep accordingly
Reniboy 0:e1ae1b9889a3 123 **/
Reniboy 0:e1ae1b9889a3 124 void sensingImage();
Reniboy 0:e1ae1b9889a3 125 /**
Reniboy 0:e1ae1b9889a3 126 @Brief This function shows the distance in bars depending on how close an object is
Reniboy 0:e1ae1b9889a3 127 **/
Reniboy 0:e1ae1b9889a3 128 void sensingImageIn();
Reniboy 0:e1ae1b9889a3 129 /**
Reniboy 0:e1ae1b9889a3 130 @namespace Shows the parking sensor distances in inches
Reniboy 0:e1ae1b9889a3 131 @brief Converts the distance into inches
Reniboy 0:e1ae1b9889a3 132 **/
Reniboy 0:e1ae1b9889a3 133 void classicMode1();
Reniboy 0:e1ae1b9889a3 134 void radarMode();
Reniboy 0:e1ae1b9889a3 135 /**
Reniboy 0:e1ae1b9889a3 136 Function allows the data to be saved on to an SD card including the time and distance
Reniboy 0:e1ae1b9889a3 137 **/
Reniboy 0:e1ae1b9889a3 138 void saveData();
Reniboy 0:e1ae1b9889a3 139 /**
Reniboy 0:e1ae1b9889a3 140 Function will be concurrent with readings and will be intrinsically tied to the actions of the SD card.
Reniboy 0:e1ae1b9889a3 141 **/
Reniboy 0:e1ae1b9889a3 142 void loadData(); /**
Reniboy 0:e1ae1b9889a3 143 Creating a function to allow the data to be loaded when and show the records of all the distances and and times
Reniboy 0:e1ae1b9889a3 144 **/
Reniboy 0:e1ae1b9889a3 145 void active();
Reniboy 0:e1ae1b9889a3 146 /**
Reniboy 1:775f6e8071a2 147 @namespace Active mode in centimetres
Reniboy 0:e1ae1b9889a3 148 @Brief Main functionality that essentially reads the distance from the sensor and conveys the information via The display and buzzer
Reniboy 0:e1ae1b9889a3 149 **/
Reniboy 1:775f6e8071a2 150 void activeIn();
Reniboy 1:775f6e8071a2 151 /**
Reniboy 1:775f6e8071a2 152 @namespace Active Parking Mode in Inches
Reniboy 1:775f6e8071a2 153 @brief Function to implement active parking mode in inches with the use of tickers and interrupts to save power
Reniboy 1:775f6e8071a2 154 **/
Reniboy 1:775f6e8071a2 155
Reniboy 0:e1ae1b9889a3 156 void radar();
Reniboy 0:e1ae1b9889a3 157 /**
Reniboy 0:e1ae1b9889a3 158 @namespace Radar
Reniboy 0:e1ae1b9889a3 159 @brief Fucntion calling radar mode so as to allow for use of interrupts
Reniboy 0:e1ae1b9889a3 160 **/
Reniboy 0:e1ae1b9889a3 161 void sweepSpeed();
Reniboy 0:e1ae1b9889a3 162 /** @namespace Sweep Speed
Reniboy 0:e1ae1b9889a3 163 @Brief Function that varies the rate at which the radar sweeps with the sensor distance
Reniboy 0:e1ae1b9889a3 164 **/
Reniboy 1:775f6e8071a2 165 void mainProg();
Reniboy 1:775f6e8071a2 166
Reniboy 1:775f6e8071a2 167 /**
Reniboy 1:775f6e8071a2 168 @namespace Main Function
Reniboy 1:775f6e8071a2 169 @brief The function containing the main menu to choose functions from
Reniboy 1:775f6e8071a2 170 **/
Reniboy 1:775f6e8071a2 171
Reniboy 1:775f6e8071a2 172 void classicMode();
Reniboy 1:775f6e8071a2 173 /**
Reniboy 1:775f6e8071a2 174 @namespace Screen selection
Reniboy 1:775f6e8071a2 175 @Brief Allow the screen to refresh when the potentiometer is set to reflect output mode due to pot selection
Reniboy 1:775f6e8071a2 176 **/
Reniboy 1:775f6e8071a2 177
Reniboy 0:e1ae1b9889a3 178 void sweep();
Reniboy 0:e1ae1b9889a3 179 /**@namespace Sweeping Functions
Reniboy 0:e1ae1b9889a3 180 @Brief Each of these functions will read the distance from the sensor and set the radar arrow speed across the screen appropriately
Reniboy 0:e1ae1b9889a3 181 **/
Reniboy 0:e1ae1b9889a3 182 void sweepOne();
Reniboy 0:e1ae1b9889a3 183 void sweepTwo();
Reniboy 0:e1ae1b9889a3 184 void sweepThree();
Reniboy 0:e1ae1b9889a3 185 void sweepFour();
Reniboy 0:e1ae1b9889a3 186 void sweepFive();
Reniboy 0:e1ae1b9889a3 187 void sweepSix();
Reniboy 0:e1ae1b9889a3 188 void sweepSeven();
Reniboy 0:e1ae1b9889a3 189 void sweepEight();
Reniboy 0:e1ae1b9889a3 190 void sweepNine();
Reniboy 0:e1ae1b9889a3 191
Reniboy 0:e1ae1b9889a3 192
Reniboy 0:e1ae1b9889a3 193
Reniboy 0:e1ae1b9889a3 194 /** Variables **/
Reniboy 0:e1ae1b9889a3 195
Reniboy 0:e1ae1b9889a3 196
Reniboy 1:775f6e8071a2 197 float i;
Reniboy 1:775f6e8071a2 198 /*!< Variables used to control rate at which speaker goes off */
Reniboy 1:775f6e8071a2 199
Reniboy 0:e1ae1b9889a3 200 float t;
Reniboy 1:775f6e8071a2 201 /*!< Variable used to vary sweep speed. */
Reniboy 0:e1ae1b9889a3 202
Reniboy 0:e1ae1b9889a3 203
Reniboy 0:e1ae1b9889a3 204