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Coursework
main.cpp
- Committer:
- sesa514652
- Date:
- 2022-01-13
- Revision:
- 14:2eddfd5fc1ce
- Parent:
- 13:034ffa96643d
File content as of revision 14:2eddfd5fc1ce:
#include "mbed.h" #include "Joystick.h" #include "N5110.h" #include "hcsr04.h" #include "Piezo.h" #include "string" // FSM Menu // defines directions as 0/1. Note UPPERCASE #define UP 0 #define DOWN 1 // set inital state volatile int state = 0; // set initial direction int direction = UP; // array of states in the FSM, each element is the output of the counter // set the output in binary to make it easier, 0 is LED on, 1 is LED off string fsm[4] = {"buttonA_isr","buttonB_isr","buttonAsss_isr","buttonA_isr"}; volatile int Press; // y x button Joystick joystick(PTB10,PTB11,PTC16); HCSR04 sensor(D14, D15); Piezo Buzzer(PTC10); //Bringing in buttons InterruptIn buttonA(PTB9); InterruptIn buttonB(PTD0); InterruptIn buttonX(PTC17); InterruptIn buttonY(PTC12); InterruptIn buttonStart(PTC5); InterruptIn buttonBack(PTB19); InterruptIn buttonLeft(PTB18); InterruptIn buttonRight(PTB3); // create an event queue EventQueue queue; // events are needed to get arround the printf issue //rows,cols int sprite[8][5] = { { 0,0,1,0,0 }, { 0,1,1,1,0 }, { 0,0,1,0,0 }, { 0,1,1,1,0 }, { 1,1,1,1,1 }, { 1,1,1,1,1 }, { 1,1,0,1,1 }, { 1,1,0,1,1 }, }; void init_K64F(); // Start K64fBoard void buttonA_isr(); // Button A interrupt service routine void buttonB_isr(); // Button B interrupt service routine void buttonX_isr(); // Button X interrupt service routine void buttonY_isr(); // Button Y interrupt service routine int Presscount(); void buttonStart_isr(); // Button Start interrupt service routine void buttonBack_isr(); // Button Back interrupt service routine void buttonLeft_isr(); // Button Left interrupt service routine void buttonRight_isr(); // Button Right interrupt service routine volatile int g_buttonA_flag = 0; // Global Flag volatile int g_buttonB_flag = 0; // Global Flag volatile int g_buttonX_flag = 0; // Global Flag volatile int g_buttonY_flag = 0; // Global Flag volatile int g_buttonStart_flag = 0; // Global Flag volatile int g_buttonBack_flag = 0; // Global Flag volatile int g_buttonLeft_flag = 0; // Global Flag volatile int g_buttonRight_flag = 0; // Global Flag //volatile int g_buttonA_counter = 0; // Global counter //Test function after research C++ lanuage 05/01/22 int cube(int num){ return num*num; }; // Menu Items int page1; int page2; int page3; string Listitem1 = "Game"; // guess distance string Listitem2 = "Measure"; // measure distance of object string Listitem3 = "Detect"; // alarm when object is dectected N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); /* Test of the interup an operating the buzzer this kills the board void buzzme(){ Buzzer.play(200,120); wait_ms(5); Buzzer.play(200,120);; } */ void printme(){ volatile double x ; x = 1; printf("%f\n",x); // return 0; } //void returnme(){ //int num; // return num*num; // }; int main() { //initialise Joystic joystick.init(); Timer t; t.start(); // create a thread that'll run the event queue's dispatch function Thread eventThread; eventThread.start(callback(&queue, &EventQueue::dispatch_forever)); buttonA.rise(queue.event(&buttonA_isr)); // This is used to call the function putting it in queue allowing the screen toupdat no muxt error buttonB.rise(queue.event(&buttonB_isr)); buttonX.rise(queue.event(&buttonX_isr)); buttonY.rise(queue.event(&buttonY_isr)); buttonStart.rise(queue.event(&buttonStart_isr)); // This is used to call the function putting it in queue allowing the screen toupdat no muxt error buttonBack.rise(queue.event(&buttonBack_isr)); buttonLeft.rise(queue.event(&buttonLeft_isr)); buttonRight.rise(queue.event(&buttonRight_isr)); //first need to initialise display lcd.init(); // Button A is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonA.mode(PullDown); // Button B is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonB.mode(PullDown); // Button X is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonX.mode(PullDown); // Button Y is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonY.mode(PullDown); // Button Start is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonStart.mode(PullDown); // Button Back is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonBack.mode(PullDown); // Button Left is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonLeft.mode(PullDown); // Button Right is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonRight.mode(PullDown); // It will return 0 by default and a 1 when pressed i.e. cause a rising edge // buttonA.rise(&buttonA_isr); // It will return 0 by default and a 1 when pressed i.e. cause a rising edge // buttonB.rise(&buttonB_isr); // It will return 0 by default and a 1 when pressed i.e. cause a rising edge //buttonX.rise(&buttonX_isr); // It will return 0 by default and a 1 when pressed i.e. cause a rising edge // buttonY.rise(&buttonY_isr); //change set contrast in range 0.0 to 1.0 //0.5 appears to be a good starting point lcd.setContrast(0.5); //Buzzer.period(10.0f); //Buzzer.pulsewidth(1); //Test Struct after research 05/01/22 struct ObjectDefine{ int qwer; float Distance; char te; double dubs; string namestruct; // string ; }; // Test Class 06/01/22 class myClass{ public: string nameclass ; double dubss; int inty; }; myClass Class1; Class1.nameclass ="firstclass"; ObjectDefine Object1; Object1.qwer = 12; Object1.Distance = 34; Object1.te = 'A'; Object1.dubs = 23; Object1.namestruct = "name"; //buttonA.rise(&buzzme); Omitted due to error //buttonA.rise(&printme,10); //buttonA.rise(&returnme); while(1) { //Tune(Buzzer,So6,8); //Stop_tunes(Buzzer); //Section of code to try to get the button press to be recorded //bool button = buttonA.read(); //printf("%f\n", g_buttonA_flag ); //Recording button presses // swap direction when button has been pressed // (could just use ! but want this to be explicit to aid understanding) if (direction == UP) { direction = DOWN; } else { direction = UP; string output; output = fsm[state]; int result; result = cube(5); printf("Button A pressed %f\n", cube(5)); int button_counter; if (g_buttonA_flag){ button_counter = button_counter +1; //case (test) g_buttonA_flag = 0; // if it has, clear the flag // send message over serial port - can observe in CoolTerm etc. printf("Button A pressed %f\n", button_counter); } if (g_buttonB_flag){ g_buttonB_flag = 0; // if it has, clear the flag // send message over serial port - can observe in CoolTerm etc. printf("Button B pressed\n"); } if (g_buttonX_flag){ g_buttonX_flag = 0; // if it has, clear the flag // swap direction when button has been pressed // (could just use ! but want this to be explicit to aid understanding) if (direction == UP) { direction = DOWN; } else { direction = UP; } // send message over serial port - can observe in CoolTerm etc. printf("Button X pressed\n"); lcd.clear(); lcd.printString("Button Pressed!",0,0); lcd.refresh(); wait(1); } if (g_buttonY_flag){ g_buttonY_flag = 0; // if it has, clear the flag // send message over serial port - can observe in CoolTerm etc. printf("Button Y pressed\n"); } Buzzer.play(200,120); wait_ms(5); Buzzer.play(200,120); long distanced = sensor.distance(); if (distanced >= 400 || distanced <= 2) { printf("Out of range"); //Calling dummy function 05/01/22 int answer = cube(2); printf("%f\n",answer); wait(1.0); } else { printf("Distance : %d cm",distanced); wait(1.0); // 1 sec } lcd.drawCircle(WIDTH/2,HEIGHT/2,distanced,FILL_BLACK); //lcd.refresh must be used to update the lcd Display lcd.refresh(); wait(5.0); //these are default settings so not strictly needed lcd.normalMode(); // normal colour mode lcd.setBrightness(0.5); // put LED backlight on 50% lcd.clear(); lcd.printString("Hello, World!",0,0); Vector2D coord = joystick.get_coord(); lcd.refresh(); printf("Coord = %f,%f\n",coord.x,coord.y); char buffer[14]; Vector2D mapped_coord = joystick.get_mapped_coord(); printf("Mapped coord = %f,%f\n",mapped_coord.x,mapped_coord.y); int length = sprintf(buffer,"T = %2f",coord.x); //it is important the format specifier ensures the length will fit in the buffer if (length <= 14) // if string will fit on display (assuming printing at x=0) lcd.printString(buffer,0,1); // display on screen lcd.refresh(); lcd.clear(); //times by 50 to try get the point moving across screen float x50 = mapped_coord.x*5; float y50 = mapped_coord.y*8; //to see what the values are printf(" *50 = %f,%f\n",x50,y50); //example of how to draw circles lcd.printChar('o',WIDTH/2,HEIGHT/2); lcd.refresh(); float mag = joystick.get_mag(); float angle = joystick.get_angle(); printf("Mag = %f Angle = %f\n",mag,angle); Direction d = joystick.get_direction(); printf("Direction = %i\n",d); if (joystick.button_pressed() ) { printf("Button Pressed\n"); wait(5); } } } } int Presscount(){ int currentTimer; int lastTimer; if(currentTimer Press++; return Press; } //Button A event-triggered interrupt void buttonA_isr() { Presscount(); if(Press>3){ Press = 0; } g_buttonA_flag = 1; // set flag in ISR printf("press count = %i\n",Press); // lcd.clear(); lcd.printString("Button A Pressed",0,0); lcd.refresh(); // set flag in ISR } //Button B event-triggered interrupt void buttonB_isr() { g_buttonB_flag = 1; // set flag in ISR lcd.clear(); lcd.printString("Button B Pressed",0,0); lcd.refresh(); // set flag in ISR } //Button X event-triggered interrupt void buttonX_isr() { g_buttonX_flag = 1; // set flag in ISR lcd.clear(); lcd.printString("Button X Pressed",0,0); lcd.refresh(); // set flag in ISR } //Button Y event-triggered interrupt void buttonY_isr() { g_buttonY_flag = 1; // set flag in ISR lcd.clear(); lcd.printString("Button Y Pressed",0,0); lcd.refresh(); // set flag in ISR } //Button Start event-triggered interrupt void buttonStart_isr() { g_buttonStart_flag = 1; // set flag in ISR lcd.clear(); lcd.printString("Button Start Pressed",0,0); lcd.refresh(); // set flag in ISR } //Button Back event-triggered interrupt void buttonBack_isr() { g_buttonBack_flag = 1; // set flag in ISR lcd.clear(); lcd.printString("Button Back Pressed",0,0); lcd.refresh(); // set flag in ISR } //Button Left event-triggered interrupt void buttonLeft_isr() { g_buttonLeft_flag = 1; // set flag in ISR lcd.clear(); lcd.printString("Button Left Pressed",0,0); lcd.refresh(); // set flag in ISR } //Button Right event-triggered interrupt void buttonRight_isr() { g_buttonRight_flag = 1; // set flag in ISR lcd.clear(); lcd.printString("Button Right Pressed",0,0); lcd.refresh(); // set flag in ISR }