(DA) Internet of Things and Smart Electronics- ELE3006M2122
Coursework
Diff: main.cpp
- Revision:
- 17:dee80717e423
- Parent:
- 16:2646c1c4e62e
diff -r 2646c1c4e62e -r dee80717e423 main.cpp
--- a/main.cpp Thu Jan 13 20:53:37 2022 +0000
+++ b/main.cpp Sat Jan 15 16:18:09 2022 +0000
@@ -15,13 +15,21 @@
// 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;
+volatile int Press; // Used to track the press
+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
// y x button
Joystick joystick(PTB10,PTB11,PTC16);
HCSR04 sensor(D14, D15);
Piezo Buzzer(PTC10);
-//Bringing in buttons
+//Bringing in buttons as interuppts to allow change to be detected during operation
InterruptIn buttonA(PTB9);
InterruptIn buttonB(PTD0);
InterruptIn buttonX(PTC17);
@@ -32,7 +40,7 @@
InterruptIn buttonRight(PTB3);
// create an event queue
-EventQueue queue; // events are needed to get arround the printf issue
+EventQueue queue; // Event Queue is used to get around interrupt issue with Printf and LCDprint issues
//rows,cols
int sprite[8][5] = {
{ 0,0,1,0,0 },
@@ -45,7 +53,6 @@
{ 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
@@ -54,20 +61,9 @@
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
+
int buttonCounter();
-//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;
@@ -76,79 +72,39 @@
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;
- }
-
+
+int main() {
-//void returnme(){
-//int num;
- // return num*num;
- // };
-int main() {
-//initialise Joystic
- joystick.init();
-
- // create a thread that'll run the event queue's dispatch function
+ joystick.init(); //initialise Joystick
+ lcd.init(); //first need to initialise display
+ //change set contrast in range 0.0 to 1.0
+ //0.5 appears to be a good starting point
+ lcd.setContrast(0.5);
+
+ // 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));
+ // This is used to call the function putting it in queue allowing the screen toupdat no muxt error
+ buttonA.rise(queue.event(&buttonA_isr));
+ buttonB.rise(queue.event(&buttonB_isr));
+ buttonX.rise(queue.event(&buttonX_isr));
+ buttonY.rise(queue.event(&buttonY_isr));
+ buttonStart.rise(queue.event(&buttonStart_isr));
+ 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
+
+// Buttons are connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
+ buttonA.mode(PullDown);
+ buttonB.mode(PullDown);
+ buttonX.mode(PullDown);
+ buttonY.mode(PullDown);
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
+ buttonBack.mode(PullDown);
+ buttonLeft.mode(PullDown);
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;
@@ -173,153 +129,40 @@
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;
-
- //output = fsm[state];
- switch(Press){
+ long distanced = sensor.distance();
+ printf("Distance : %d cm",distanced);
+ switch(Press){
case 1:
+ Press = 1;
lcd.clear();
- Press = 1;
- lcd.printString("Menu 1",0,0);
+ lcd.printString("Menu 1",0,0);
+
+ // if (distanced >= 400 || distanced <= 2)
+ printf("Distance : %d cm",distanced);
+ // wait(1.0); // 1 sec
lcd.refresh();
- break;
+ break;
case 2:
Press = 2;
lcd.clear();
- lcd.printString("Menu 2",0,0);
- lcd.refresh();
- break;
- Press = 0;
- lcd.clear();
- lcd.printString("Menu 4",0,0);
+ lcd.printString("Menu 2",0,1);
lcd.refresh();
break;
- }
-
-/*
-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);
- }
-
- }
- }*/
+ /*
+ case 3:
+ Press = 3;
+ lcd.clear();
+ lcd.printString("Menu 3",0,1);
+ lcd.refresh();
+ break;
+ }*/
}
}
}
+
int buttonCount(){
-
Press++;
if (Press >3){
Press = 0;
@@ -336,21 +179,18 @@
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()
{
+ buttonCount();
g_buttonB_flag = 1; // set flag in ISR
lcd.clear();
lcd.printString("Button B Pressed",0,0);
- lcd.refresh(); // set flag in ISR
+ lcd.refresh();
}
//Button X event-triggered interrupt
void buttonX_isr()
@@ -393,7 +233,7 @@
lcd.refresh(); // set flag in ISR
}
//Button Right event-triggered interrupt
-void buttonRight_isr()
+ void buttonRight_isr()
{
g_buttonRight_flag = 1; // set flag in ISR
lcd.clear();