Jake Bonney / Mbed 2 deprecated Assignment5

Part 1 should work correctly if all of part 2 and sd card junk is commented out. Attempted to update the libraries multiple times but could not get code to compile. the error "overload function" kept appearing.

Dependencies:   4DGL-uLCD-SE MMA8452Q SDFileSystem bouncing_ball mbed

Fork of OCE360_4 by OCE_360

main.cpp@5:d432702334a9, 2017-11-17 (annotated)

Committer:
jakebonney10
Date:
Fri Nov 17 03:21:26 2017 +0000
Revision:
5:d432702334a9
Parent:
3:a7f02754bc99 
Part 1 should work correctly if all of part 2 and sd card junk is commented out. Attempted to update the libraries multiple times but could not get code to compile. the error "overload function" kept appearing.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
slicht 2:552e6feb8709 1 // A solution to OCE360 Homework #4.
slicht 2:552e6feb8709 2 // Objective: Use object oriented programming to create a system that displays
slicht 2:552e6feb8709 3 // multiple balls bouncing around the LCD screen.
slicht 3:a7f02754bc99 4 // Stephen Licht, 11/7/2017
slicht 1:6b99ffa62cc8 5
slicht 0:8d3812068c6c 6 #include "mbed.h"
slicht 2:552e6feb8709 7 #include "MMA8452Q.h" //acceleromater library
slicht 2:552e6feb8709 8 #include "uLCD_4DGL.h" //LCD library
slicht 2:552e6feb8709 9 #include "bouncing_ball.h" //new ball phyics library
jakebonney10 5:d432702334a9 10 #include "SDFileSystem.h"
slicht 1:6b99ffa62cc8 11
slicht 2:552e6feb8709 12 #define UPDATE_TIME_S 0.02
slicht 2:552e6feb8709 13 #define START_X_1 10
slicht 2:552e6feb8709 14 #define START_Y_1 10
slicht 2:552e6feb8709 15 #define START_X_2 20
slicht 2:552e6feb8709 16 #define START_Y_2 20
slicht 2:552e6feb8709 17 #define RADIUS_1 6
slicht 2:552e6feb8709 18 #define RADIUS_2 3
slicht 0:8d3812068c6c 19
slicht 2:552e6feb8709 20 #define DEBUG_MODE 0
slicht 2:552e6feb8709 21
jakebonney10 5:d432702334a9 22 // Variables for SD file system code
jakebonney10 5:d432702334a9 23 FILE *file;
jakebonney10 5:d432702334a9 24 float voltage_in;
jakebonney10 5:d432702334a9 25 float degrees_c;
jakebonney10 5:d432702334a9 26 int n = 0;
jakebonney10 5:d432702334a9 27 int c;
jakebonney10 5:d432702334a9 28
jakebonney10 5:d432702334a9 29 // Define Tickers/timers
jakebonney10 5:d432702334a9 30 Ticker flipper1;
jakebonney10 5:d432702334a9 31 Ticker flipper2;
jakebonney10 5:d432702334a9 32 Timer timestamp;
jakebonney10 5:d432702334a9 33 Timer debounce; // debounce timer for Record external interrupt
jakebonney10 5:d432702334a9 34 Timer debounce2; // debounce timer for LCDshow ecternal interrupt
jakebonney10 5:d432702334a9 35
jakebonney10 5:d432702334a9 36 //internal leds
jakebonney10 5:d432702334a9 37 DigitalOut myled2(LED2);
jakebonney10 5:d432702334a9 38 DigitalOut myled4(LED4);
jakebonney10 5:d432702334a9 39
jakebonney10 5:d432702334a9 40 //Function prototype for color selection and Ticker updates
slicht 2:552e6feb8709 41 int get_LCD_color(int color_integer);
jakebonney10 5:d432702334a9 42 void LCD_update(void); // LCD screen update function prototype
jakebonney10 5:d432702334a9 43 void BALL_update(void); // Ball update function prototype
jakebonney10 5:d432702334a9 44 void recording(void); // Recording function prototype
jakebonney10 5:d432702334a9 45 void display(void); // Display LCD screen function Prototype
jakebonney10 5:d432702334a9 46 void flip2() { // flip 2 function
jakebonney10 5:d432702334a9 47 myled2 = !myled2;
jakebonney10 5:d432702334a9 48 }
jakebonney10 5:d432702334a9 49
jakebonney10 5:d432702334a9 50 // Temperature Analog input (pin 15)
jakebonney10 5:d432702334a9 51 AnalogIn ain(p15);
jakebonney10 5:d432702334a9 52
jakebonney10 5:d432702334a9 53 // External Interrupt inputs
jakebonney10 5:d432702334a9 54 InterruptIn record(p18);
jakebonney10 5:d432702334a9 55 InterruptIn LCDshow(p17);
jakebonney10 5:d432702334a9 56
jakebonney10 5:d432702334a9 57 // SD card (SPI pins)
jakebonney10 5:d432702334a9 58 SDFileSystem sd(p5, p6, p7, p8, "sd");
jakebonney10 5:d432702334a9 59
jakebonney10 5:d432702334a9 60 //Define Serial Terminal
jakebonney10 5:d432702334a9 61 Serial pc(USBTX, USBRX);
slicht 1:6b99ffa62cc8 62
slicht 1:6b99ffa62cc8 63 // Graphic LCD - TX, RX, and RES pins
slicht 2:552e6feb8709 64 uLCD_4DGL uLCD(p9,p10,p11); //initialize a driver object for an LCD connected on pins 9-11
slicht 1:6b99ffa62cc8 65
slicht 1:6b99ffa62cc8 66 // Accelerometer - SDA, SCL, and I2C address
slicht 2:552e6feb8709 67 MMA8452Q accel(p28, p27, 0x1D); //initialize a driver object for an accelerometer connected on pins 27-28.
slicht 1:6b99ffa62cc8 68
slicht 2:552e6feb8709 69 physics_ball ball1; //initialize two balls for bouncing
slicht 2:552e6feb8709 70 physics_ball ball2; //the default states from the library will be used initially
slicht 0:8d3812068c6c 71
slicht 2:552e6feb8709 72 int main()
slicht 2:552e6feb8709 73 {
jakebonney10 5:d432702334a9 74 // led for ball update
jakebonney10 5:d432702334a9 75 myled2 = 0;
jakebonney10 5:d432702334a9 76 myled4 = 0;
jakebonney10 5:d432702334a9 77 flipper2.attach(&flip2, .02);
jakebonney10 5:d432702334a9 78
slicht 1:6b99ffa62cc8 79 // Initialize uLCD
slicht 1:6b99ffa62cc8 80 uLCD.baudrate(115200);
slicht 1:6b99ffa62cc8 81 uLCD.background_color(BLACK);
jakebonney10 5:d432702334a9 82 uLCD.cls();
jakebonney10 5:d432702334a9 83
slicht 1:6b99ffa62cc8 84 // Initialize accelerometer
slicht 1:6b99ffa62cc8 85 accel.init();
slicht 1:6b99ffa62cc8 86
slicht 2:552e6feb8709 87 //Initialize balls:
slicht 2:552e6feb8709 88 ball1.set_state(START_X_1,START_Y_1,0,0); //speeds are set to zero
slicht 2:552e6feb8709 89 ball1.set_state(START_X_2,START_Y_2,0,0);
slicht 2:552e6feb8709 90
slicht 2:552e6feb8709 91 //Set ball radius and color:
slicht 2:552e6feb8709 92 ball1.set_param(RADIUS_1,0); //color is unimportant
slicht 2:552e6feb8709 93 ball2.set_param(RADIUS_2,1); //just making sure the colors are different
jakebonney10 5:d432702334a9 94
jakebonney10 5:d432702334a9 95 // Start Timers and Tickers
jakebonney10 5:d432702334a9 96 debounce.start();
jakebonney10 5:d432702334a9 97 debounce2.start();
jakebonney10 5:d432702334a9 98
jakebonney10 5:d432702334a9 99 flipper2.attach(&BALL_update, 0.02); // update ball position @ 50hz
jakebonney10 5:d432702334a9 100 flipper1.attach(&LCD_update, 0.0909); // update LCD screen @ 11hz
jakebonney10 5:d432702334a9 101
jakebonney10 5:d432702334a9 102 //hardwareinterrupt
jakebonney10 5:d432702334a9 103 record.rise(&recording);
jakebonney10 5:d432702334a9 104 LCDshow.rise(&display);
jakebonney10 5:d432702334a9 105
slicht 2:552e6feb8709 106 /* Make the balls "fall" in direction of accelerometer by forcing the ball objects
slicht 2:552e6feb8709 107 to update themselves at regular intervals, and te drawing the locations reported
slicht 2:552e6feb8709 108 by the ball objects on the LCD screen: */
slicht 2:552e6feb8709 109 while (1) { //execute 'forever'
jakebonney10 5:d432702334a9 110 }
jakebonney10 5:d432702334a9 111 }
jakebonney10 5:d432702334a9 112 // Functions:
jakebonney10 5:d432702334a9 113 void display()
jakebonney10 5:d432702334a9 114 }
jakebonney10 5:d432702334a9 115 void LCD_update() { // LCD screen update function
jakebonney10 5:d432702334a9 116
jakebonney10 5:d432702334a9 117
slicht 3:a7f02754bc99 118 // Draw circles in the x and y positions stored by the ball objects:
slicht 2:552e6feb8709 119 uLCD.filled_circle(ball1.posx, ball1.posy, ball1.radius, get_LCD_color(ball1.color));
slicht 2:552e6feb8709 120 uLCD.filled_circle(ball2.posx, ball2.posy, ball2.radius, get_LCD_color(ball2.color));
slicht 2:552e6feb8709 121
slicht 2:552e6feb8709 122 // Wait before erasing old circles:
slicht 2:552e6feb8709 123 wait(UPDATE_TIME_S); // In seconds
slicht 2:552e6feb8709 124
slicht 2:552e6feb8709 125 // Erase old circles by writing over there locations using the screen color:
slicht 2:552e6feb8709 126 uLCD.filled_circle(ball1.posx, ball1.posy, ball1.radius, BLACK);
slicht 2:552e6feb8709 127 uLCD.filled_circle(ball2.posx, ball2.posy, ball2.radius, BLACK);
slicht 1:6b99ffa62cc8 128
jakebonney10 5:d432702334a9 129 }
jakebonney10 5:d432702334a9 130 void BALL_update() // BALL position update function
jakebonney10 5:d432702334a9 131 {
jakebonney10 5:d432702334a9 132
slicht 2:552e6feb8709 133 // Force the objects 'ball1' and 'ball2' to update their stored positions
slicht 2:552e6feb8709 134 // and velocities:
slicht 2:552e6feb8709 135 ball1.update(UPDATE_TIME_S,accel);
slicht 2:552e6feb8709 136 ball2.update(UPDATE_TIME_S,accel);
slicht 2:552e6feb8709 137
jakebonney10 5:d432702334a9 138 myled2=!myled2;
jakebonney10 5:d432702334a9 139
jakebonney10 5:d432702334a9 140 // Potential way of counting updates
jakebonney10 5:d432702334a9 141 n = n + 1;
jakebonney10 5:d432702334a9 142
jakebonney10 5:d432702334a9 143 void recording() {
jakebonney10 5:d432702334a9 144
jakebonney10 5:d432702334a9 145 if (debounce.read_ms()>200) // only allow function if debounce timer
jakebonney10 5:d432702334a9 146 // Resets and starts time stamp timer
jakebonney10 5:d432702334a9 147 timestamp.reset();
jakebonney10 5:d432702334a9 148 timestamp.start();
jakebonney10 5:d432702334a9 149 // Turn onboard LED on
jakebonney10 5:d432702334a9 150 myled4 = 1;
jakebonney10 5:d432702334a9 151
jakebonney10 5:d432702334a9 152 // Open file for writing
jakebonney10 5:d432702334a9 153 file = fopen("/sd/temp_data.txt", "w");
jakebonney10 5:d432702334a9 154 if ( file == NULL ) {
jakebonney10 5:d432702334a9 155 error("ERROR: Could not open file for writing!\n\r");
jakebonney10 5:d432702334a9 156 return -1;
jakebonney10 5:d432702334a9 157 }
slicht 2:552e6feb8709 158
jakebonney10 5:d432702334a9 159 // Tell the user we need to wait while we collect some data
jakebonney10 5:d432702334a9 160 pc.printf("\nCollecting data (Do not remove SD Card!) ...\n\r");
jakebonney10 5:d432702334a9 161
jakebonney10 5:d432702334a9 162 // Collect temperatures with timestamps every second
jakebonney10 5:d432702334a9 163 for(i = 0; i < 10; i++) {
jakebonney10 5:d432702334a9 164 voltage_in = ain * 3.3;
jakebonney10 5:d432702334a9 165 degrees_c = (voltage_in - 0.5) * 100.0;
jakebonney10 5:d432702334a9 166 fprintf(file, "%2.2fs: %3.1f deg C\n\r", timer.read(), degrees_c);
jakebonney10 5:d432702334a9 167 wait(1);
jakebonney10 5:d432702334a9 168 }
slicht 1:6b99ffa62cc8 169
jakebonney10 5:d432702334a9 170 // Close file and re-open it for reading
jakebonney10 5:d432702334a9 171 fclose(file);
jakebonney10 5:d432702334a9 172 file = fopen("/sd/temp_data.txt", "r");
jakebonney10 5:d432702334a9 173 if ( file == NULL ) {
jakebonney10 5:d432702334a9 174 error("ERROR: Could not open file for reading!\n\r");
jakebonney10 5:d432702334a9 175 return -1;
slicht 2:552e6feb8709 176 }
jakebonney10 5:d432702334a9 177
jakebonney10 5:d432702334a9 178 // Print results to console
jakebonney10 5:d432702334a9 179 pc.printf("Temperature data:\n\r");
jakebonney10 5:d432702334a9 180 while(1) {
jakebonney10 5:d432702334a9 181 c = fgetc(file);
jakebonney10 5:d432702334a9 182 if ( c == EOF ) {
jakebonney10 5:d432702334a9 183 break;
jakebonney10 5:d432702334a9 184 }
jakebonney10 5:d432702334a9 185 pc.putc(c);
jakebonney10 5:d432702334a9 186 }
jakebonney10 5:d432702334a9 187
jakebonney10 5:d432702334a9 188 // Close the file and finish
jakebonney10 5:d432702334a9 189 fclose(file);
jakebonney10 5:d432702334a9 190 pc.printf("Done! Safe to remove SD card\n\r");
jakebonney10 5:d432702334a9 191
jakebonney10 5:d432702334a9 192 return 0;
slicht 2:552e6feb8709 193 }
slicht 1:6b99ffa62cc8 194
jakebonney10 5:d432702334a9 195
slicht 3:a7f02754bc99 196 //Interpret LCD colors.
slicht 2:552e6feb8709 197 int get_LCD_color(int color_integer)
slicht 2:552e6feb8709 198 {
slicht 2:552e6feb8709 199 switch (color_integer) {
slicht 2:552e6feb8709 200 case 0:
slicht 2:552e6feb8709 201 return(RED);
slicht 2:552e6feb8709 202 case 1:
slicht 2:552e6feb8709 203 return(BLUE);
slicht 2:552e6feb8709 204 case 2:
slicht 2:552e6feb8709 205 return(GREEN);
slicht 2:552e6feb8709 206 default:
slicht 2:552e6feb8709 207 return(WHITE);
slicht 0:8d3812068c6c 208 }
slicht 1:6b99ffa62cc8 209 }