Hugo Hu / Mbed 2 deprecated BRAVEHEART

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed N5110 ShiftReg PinDetect

main.cpp@2:0ae5ac8b0cac, 2015-04-28 (annotated)

Committer:
Siriagus
Date:
Tue Apr 28 15:12:42 2015 +0000
Revision:
2:0ae5ac8b0cac
Parent:
1:0cfe2255092a
Child:
3:4e3f342a135c
More work on the menu system

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Siriagus 0:1f92de30d43e 1 /**
Siriagus 0:1f92de30d43e 2 @brief Simple platform game developed for ELEC2645 Embedded Systems Project at University of Leeds
Siriagus 0:1f92de30d43e 3
Siriagus 0:1f92de30d43e 4 @author Andreas Garmannslund
Siriagus 0:1f92de30d43e 5 **/
Siriagus 0:1f92de30d43e 6
Siriagus 0:1f92de30d43e 7 #include "mbed.h"
Siriagus 0:1f92de30d43e 8 #include "N5110.h"
Siriagus 1:0cfe2255092a 9 #include "PowerControl.h"
Siriagus 1:0cfe2255092a 10 #include "PinDetect.h"
Siriagus 1:0cfe2255092a 11
Siriagus 0:1f92de30d43e 12 #include "Joystick.h"
Siriagus 1:0cfe2255092a 13 #include <string>
Siriagus 1:0cfe2255092a 14
Siriagus 1:0cfe2255092a 15 #include "State.h"
Siriagus 1:0cfe2255092a 16 #include "MainMenu.h"
Siriagus 0:1f92de30d43e 17 #include "map.h"
Siriagus 1:0cfe2255092a 18 #include "images.h"
Siriagus 1:0cfe2255092a 19
Siriagus 0:1f92de30d43e 20 #include <ctime>
Siriagus 0:1f92de30d43e 21
Siriagus 1:0cfe2255092a 22 // Redefine pin names for simple access.
Siriagus 1:0cfe2255092a 23 #define JOY_H p17
Siriagus 1:0cfe2255092a 24 #define JOY_V p16
Siriagus 1:0cfe2255092a 25 #define JOY_BTN p15
Siriagus 1:0cfe2255092a 26
Siriagus 1:0cfe2255092a 27 #define LED_POT p20
Siriagus 1:0cfe2255092a 28
Siriagus 2:0ae5ac8b0cac 29 #define BUTTON_A p28
Siriagus 2:0ae5ac8b0cac 30 #define BUTTON_B p27
Siriagus 1:0cfe2255092a 31 #define BUTTON_C p29
Siriagus 1:0cfe2255092a 32
Siriagus 2:0ae5ac8b0cac 33 enum MenuState {SELECT_MENU, HIGH_SCORES, CONTROLS, LOAD_GAME};
Siriagus 2:0ae5ac8b0cac 34 MenuState currentState; // current state
Siriagus 1:0cfe2255092a 35
Siriagus 0:1f92de30d43e 36 // Components
Siriagus 0:1f92de30d43e 37 N5110 *lcd; // VCC, SCE, RST, D/C, MOSI, SCLK and LED
Siriagus 0:1f92de30d43e 38 Joystick *joystick;
Siriagus 0:1f92de30d43e 39
Siriagus 0:1f92de30d43e 40 // Brightness potentiometer
Siriagus 1:0cfe2255092a 41 AnalogIn ledPot(LED_POT);
Siriagus 0:1f92de30d43e 42
Siriagus 1:0cfe2255092a 43 /*
Siriagus 0:1f92de30d43e 44 // Buttons
Siriagus 0:1f92de30d43e 45 DigitalIn btnA(p27);
Siriagus 0:1f92de30d43e 46 DigitalIn btnB(p28);
Siriagus 0:1f92de30d43e 47 DigitalIn btnC(p29);
Siriagus 1:0cfe2255092a 48 */
Siriagus 0:1f92de30d43e 49
Siriagus 0:1f92de30d43e 50 // Debugging
Siriagus 0:1f92de30d43e 51 Serial pc(USBTX, USBRX);
Siriagus 0:1f92de30d43e 52 BusOut leds(LED1, LED2, LED3, LED4);
Siriagus 0:1f92de30d43e 53
Siriagus 1:0cfe2255092a 54
Siriagus 1:0cfe2255092a 55 // @brief Clears the screen and fill it with the image in the argument.
Siriagus 1:0cfe2255092a 56 void clearAndDrawImage(const int img[BANKS][WIDTH])
Siriagus 0:1f92de30d43e 57 {
Siriagus 0:1f92de30d43e 58 for (int i = 0; i < BANKS; ++i)
Siriagus 0:1f92de30d43e 59 {
Siriagus 0:1f92de30d43e 60 for (int j = 0; j < WIDTH; ++j)
Siriagus 0:1f92de30d43e 61 {
Siriagus 1:0cfe2255092a 62 lcd->buffer[j][i] = img[i][j];
Siriagus 0:1f92de30d43e 63 }
Siriagus 0:1f92de30d43e 64 }
Siriagus 0:1f92de30d43e 65 lcd->refresh();
Siriagus 0:1f92de30d43e 66 }
Siriagus 0:1f92de30d43e 67
Siriagus 1:0cfe2255092a 68 State *stateObj; // current state object
Siriagus 1:0cfe2255092a 69 void init()
Siriagus 0:1f92de30d43e 70 {
Siriagus 0:1f92de30d43e 71 // Init LCD
Siriagus 0:1f92de30d43e 72 lcd = new N5110(p7, p8, p9, p10, p11, p13, p26);
Siriagus 0:1f92de30d43e 73 lcd->init();
Siriagus 2:0ae5ac8b0cac 74 //lcd->normalMode();
Siriagus 0:1f92de30d43e 75 lcd->setBrightness(1.0 - ledPot); // Update brightness of screen
Siriagus 0:1f92de30d43e 76
Siriagus 0:1f92de30d43e 77 // Init joystick
Siriagus 1:0cfe2255092a 78 joystick = new Joystick(JOY_H, JOY_V, JOY_BTN);
Siriagus 0:1f92de30d43e 79 joystick->calibrate();
Siriagus 0:1f92de30d43e 80
Siriagus 1:0cfe2255092a 81 // Set initial state
Siriagus 1:0cfe2255092a 82 // currentState = MENU;
Siriagus 2:0ae5ac8b0cac 83
Siriagus 2:0ae5ac8b0cac 84 currentState = SELECT_MENU;
Siriagus 1:0cfe2255092a 85 // stateObj = new MainMenu(lcd, BUTTON_A, BUTTON_B, BUTTON_C);
Siriagus 1:0cfe2255092a 86 }
Siriagus 1:0cfe2255092a 87
Siriagus 1:0cfe2255092a 88 void cleanUp()
Siriagus 1:0cfe2255092a 89 {
Siriagus 1:0cfe2255092a 90 delete lcd;
Siriagus 1:0cfe2255092a 91 delete joystick;
Siriagus 1:0cfe2255092a 92 delete stateObj;
Siriagus 1:0cfe2255092a 93 }
Siriagus 1:0cfe2255092a 94
Siriagus 2:0ae5ac8b0cac 95 // States
Siriagus 2:0ae5ac8b0cac 96
Siriagus 2:0ae5ac8b0cac 97
Siriagus 1:0cfe2255092a 98 const int NUM_CHOICES = 3;
Siriagus 1:0cfe2255092a 99 std::string choices[NUM_CHOICES] = {"Play", "High Score", "Controls"};
Siriagus 1:0cfe2255092a 100 int selectedChoice = 0;
Siriagus 1:0cfe2255092a 101
Siriagus 2:0ae5ac8b0cac 102 PinDetect btnA(BUTTON_A);
Siriagus 2:0ae5ac8b0cac 103 PinDetect btnB(BUTTON_B);
Siriagus 1:0cfe2255092a 104 PinDetect btnC(BUTTON_C);
Siriagus 2:0ae5ac8b0cac 105
Siriagus 2:0ae5ac8b0cac 106 void btnAPressed()
Siriagus 2:0ae5ac8b0cac 107 {
Siriagus 2:0ae5ac8b0cac 108 switch(currentState)
Siriagus 2:0ae5ac8b0cac 109 {
Siriagus 2:0ae5ac8b0cac 110 case SELECT_MENU:
Siriagus 2:0ae5ac8b0cac 111 switch(selectedChoice)
Siriagus 2:0ae5ac8b0cac 112 {
Siriagus 2:0ae5ac8b0cac 113 case 0:
Siriagus 2:0ae5ac8b0cac 114 currentState = LOAD_GAME;
Siriagus 2:0ae5ac8b0cac 115 break;
Siriagus 2:0ae5ac8b0cac 116
Siriagus 2:0ae5ac8b0cac 117 case 1:
Siriagus 2:0ae5ac8b0cac 118 currentState = HIGH_SCORES;
Siriagus 2:0ae5ac8b0cac 119 break;
Siriagus 2:0ae5ac8b0cac 120
Siriagus 2:0ae5ac8b0cac 121 case 2:
Siriagus 2:0ae5ac8b0cac 122 currentState = CONTROLS;
Siriagus 2:0ae5ac8b0cac 123 break;
Siriagus 2:0ae5ac8b0cac 124 }
Siriagus 2:0ae5ac8b0cac 125 break;
Siriagus 2:0ae5ac8b0cac 126
Siriagus 2:0ae5ac8b0cac 127 case CONTROLS:
Siriagus 2:0ae5ac8b0cac 128 case HIGH_SCORES:
Siriagus 2:0ae5ac8b0cac 129 currentState = SELECT_MENU;
Siriagus 2:0ae5ac8b0cac 130 break;
Siriagus 2:0ae5ac8b0cac 131 }
Siriagus 2:0ae5ac8b0cac 132
Siriagus 2:0ae5ac8b0cac 133 }
Siriagus 2:0ae5ac8b0cac 134 void btnBPressed()
Siriagus 2:0ae5ac8b0cac 135 {
Siriagus 2:0ae5ac8b0cac 136 switch(currentState)
Siriagus 2:0ae5ac8b0cac 137 {
Siriagus 2:0ae5ac8b0cac 138 case HIGH_SCORES:
Siriagus 2:0ae5ac8b0cac 139 case CONTROLS:
Siriagus 2:0ae5ac8b0cac 140 currentState = SELECT_MENU;
Siriagus 2:0ae5ac8b0cac 141 break;
Siriagus 2:0ae5ac8b0cac 142 }
Siriagus 2:0ae5ac8b0cac 143
Siriagus 2:0ae5ac8b0cac 144 }
Siriagus 2:0ae5ac8b0cac 145
Siriagus 2:0ae5ac8b0cac 146 void btnCPressed()
Siriagus 2:0ae5ac8b0cac 147 {
Siriagus 2:0ae5ac8b0cac 148 if (currentState == SELECT_MENU)
Siriagus 2:0ae5ac8b0cac 149 selectedChoice = (selectedChoice + 1) % NUM_CHOICES;
Siriagus 2:0ae5ac8b0cac 150 }
Siriagus 2:0ae5ac8b0cac 151
Siriagus 2:0ae5ac8b0cac 152 // Processes button input.
Siriagus 2:0ae5ac8b0cac 153 int buttons = 0; // Three first bit corresponds the buttons
Siriagus 2:0ae5ac8b0cac 154 void processButtonInput(int buttonPressed)
Siriagus 2:0ae5ac8b0cac 155 {
Siriagus 2:0ae5ac8b0cac 156 switch(buttonPressed)
Siriagus 2:0ae5ac8b0cac 157 {
Siriagus 2:0ae5ac8b0cac 158 case 0: // Button A
Siriagus 2:0ae5ac8b0cac 159 btnAPressed();
Siriagus 2:0ae5ac8b0cac 160 break;
Siriagus 2:0ae5ac8b0cac 161
Siriagus 2:0ae5ac8b0cac 162 case 1: // Button B
Siriagus 2:0ae5ac8b0cac 163 btnBPressed();
Siriagus 2:0ae5ac8b0cac 164 break;
Siriagus 2:0ae5ac8b0cac 165
Siriagus 2:0ae5ac8b0cac 166 case 2: // Button C
Siriagus 2:0ae5ac8b0cac 167 btnCPressed();
Siriagus 2:0ae5ac8b0cac 168 break;
Siriagus 2:0ae5ac8b0cac 169 }
Siriagus 2:0ae5ac8b0cac 170 }
Siriagus 1:0cfe2255092a 171
Siriagus 1:0cfe2255092a 172 int main()
Siriagus 1:0cfe2255092a 173 {
Siriagus 1:0cfe2255092a 174 init();
Siriagus 1:0cfe2255092a 175
Siriagus 1:0cfe2255092a 176 // button
Siriagus 2:0ae5ac8b0cac 177 btnA.attach_asserted(&btnAPressed);
Siriagus 2:0ae5ac8b0cac 178 btnB.attach_asserted(&btnBPressed);
Siriagus 2:0ae5ac8b0cac 179 btnC.attach_asserted(&btnCPressed);
Siriagus 2:0ae5ac8b0cac 180
Siriagus 2:0ae5ac8b0cac 181 btnA.setSampleFrequency();
Siriagus 2:0ae5ac8b0cac 182 btnB.setSampleFrequency();
Siriagus 1:0cfe2255092a 183 btnC.setSampleFrequency();
Siriagus 1:0cfe2255092a 184 // Game loop, fixed-time step, updates game logic with regular intervals, rendering happens as fast as possible
Siriagus 0:1f92de30d43e 185 while(true)
Siriagus 0:1f92de30d43e 186 {
Siriagus 1:0cfe2255092a 187 lcd->clear();
Siriagus 0:1f92de30d43e 188
Siriagus 1:0cfe2255092a 189 //stateObj->run();
Siriagus 1:0cfe2255092a 190
Siriagus 0:1f92de30d43e 191 joystick->update();
Siriagus 0:1f92de30d43e 192 lcd->setBrightness(1.0 - ledPot); // Update brightness of screen
Siriagus 0:1f92de30d43e 193
Siriagus 2:0ae5ac8b0cac 194 // Process events
Siriagus 2:0ae5ac8b0cac 195
Siriagus 2:0ae5ac8b0cac 196
Siriagus 2:0ae5ac8b0cac 197 // Update
Siriagus 2:0ae5ac8b0cac 198 switch (currentState)
Siriagus 1:0cfe2255092a 199 {
Siriagus 2:0ae5ac8b0cac 200 case SELECT_MENU:
Siriagus 2:0ae5ac8b0cac 201 for (int i = 0; i < 3; ++i)
Siriagus 2:0ae5ac8b0cac 202 {
Siriagus 2:0ae5ac8b0cac 203 std::string str = (selectedChoice == i) ? ("> " + choices[i]) : choices[i];
Siriagus 2:0ae5ac8b0cac 204 lcd->printString(str.c_str(), 10, i+1);
Siriagus 2:0ae5ac8b0cac 205 }
Siriagus 2:0ae5ac8b0cac 206 break;
Siriagus 2:0ae5ac8b0cac 207
Siriagus 2:0ae5ac8b0cac 208 case HIGH_SCORES:
Siriagus 2:0ae5ac8b0cac 209 // Placeholder TODO: Actually high scores
Siriagus 2:0ae5ac8b0cac 210 lcd->printString("High Scores", 10, 0);
Siriagus 2:0ae5ac8b0cac 211 lcd->printString("AND 1000000", 10, 1);
Siriagus 2:0ae5ac8b0cac 212 lcd->printString("AND 500000", 10, 2);
Siriagus 2:0ae5ac8b0cac 213 lcd->printString("AND 100", 10, 3);
Siriagus 2:0ae5ac8b0cac 214 lcd->printString("> Back", 10, 4);
Siriagus 2:0ae5ac8b0cac 215 break;
Siriagus 2:0ae5ac8b0cac 216
Siriagus 2:0ae5ac8b0cac 217 case CONTROLS:
Siriagus 2:0ae5ac8b0cac 218 lcd->printString("Controls", 10, 0);
Siriagus 2:0ae5ac8b0cac 219 lcd->printString("A: Jump", 10, 1);
Siriagus 2:0ae5ac8b0cac 220 lcd->printString("B: Shoot", 10, 2);
Siriagus 2:0ae5ac8b0cac 221 lcd->printString("C: Pause", 10, 3);
Siriagus 2:0ae5ac8b0cac 222 lcd->printString("> Back", 10, 4);
Siriagus 2:0ae5ac8b0cac 223 break;
Siriagus 2:0ae5ac8b0cac 224
Siriagus 2:0ae5ac8b0cac 225 case LOAD_GAME:
Siriagus 2:0ae5ac8b0cac 226 lcd->inverseMode();
Siriagus 2:0ae5ac8b0cac 227 clearAndDrawImage(logo);
Siriagus 2:0ae5ac8b0cac 228 break;
Siriagus 2:0ae5ac8b0cac 229
Siriagus 1:0cfe2255092a 230 }
Siriagus 1:0cfe2255092a 231
Siriagus 1:0cfe2255092a 232 lcd->refresh();
Siriagus 2:0ae5ac8b0cac 233 Sleep();
Siriagus 0:1f92de30d43e 234 }
Siriagus 0:1f92de30d43e 235
Siriagus 1:0cfe2255092a 236 cleanUp();
Siriagus 0:1f92de30d43e 237
Siriagus 0:1f92de30d43e 238 return 0;
Siriagus 1:0cfe2255092a 239 }